Коррекция орбиты некоторых периодических комет от 30 июня ..
Добавлено: 30 июн 2015 20:38Коррекция орбиты некоторых периодических комет от 30 июня 2015 года, MPEC 2015-M77 ..
21P/Giacobini-Zinner
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Sept. 13.28538 TT Kobayashi
q 1.0308027 (2000.0) P Q
n 0.14959149 Peri. 172.53871 +0.98520422 -0.09832525
a 3.5145101 Node 195.40027 +0.11677586 +0.98462665
e 0.7067009 Incl. 31.91051 +0.12544338 -0.14436935
P 6.59
From 930 observations 1998 Nov. 22-2013 Apr. 1, mean residual 0".9.
Nongravitational parameters A1 = +0.42, A2 = -0.0985.
21P/Giacobini-Zinner
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Sept. 10.33500 TT Kobayashi
q 1.0127778 (2000.0) P Q
n 0.15064563 Peri. 172.86147 +0.98462785 -0.10355853
a 3.4980958 Node 195.39329 +0.12223528 +0.98376758
e 0.7104774 Incl. 31.99768 +0.12476595 -0.14655028
P 6.54
From 930 observations 1998 Nov. 22-2013 Apr. 1, mean residual 0".9.
Nongravitational parameters A1 = +0.42, A2 = -0.0985.
26P/Grigg-Skjellerup
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 July 6.17914 TT Kobayashi
q 1.0846216 (2000.0) P Q
n 0.18811539 Peri. 2.14604 -0.83365019 +0.51496691
a 3.0166146 Node 211.53188 -0.51223389 -0.85605237
e 0.6404507 Incl. 22.43570 -0.20650379 +0.04453559
P 5.24
From 565 observations 1972 Feb. 12-2014 Sept. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0010.
26P/Grigg-Skjellerup
Epoch 2018 Oct. 9.0 TT = JDT 2458400.5
T 2018 Oct. 1.82037 TT Kobayashi
q 1.0822949 (2000.0) P Q
n 0.18832304 Peri. 2.20048 -0.83314280 +0.51573717
a 3.0143968 Node 211.53392 -0.51307475 -0.85556541
e 0.6409580 Incl. 22.44971 -0.20646399 +0.04497783
P 5.23
From 565 observations 1972 Feb. 12-2014 Sept. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0010.
37P/Forbes
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 4.01978 TT Kobayashi
q 1.6022719 (2000.0) P Q
n 0.15380597 Peri. 330.17615 +0.26008843 +0.95917919
a 3.4500118 Node 314.64205 -0.85216738 +0.17394090
e 0.5355750 Incl. 8.97820 -0.45405371 +0.22297946
P 6.41
From 695 observations 1993 Mar. 21-2012 Dec. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = -0.0330.
37P/Forbes
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 4.10373 TT Kobayashi
q 1.6102795 (2000.0) P Q
n 0.15337421 Peri. 329.97802 +0.25588499 +0.96032866
a 3.4564835 Node 314.59068 -0.85306853 +0.17036553
e 0.5341278 Incl. 8.95641 -0.45474934 +0.22078145
P 6.43
From 695 observations 1993 Mar. 21-2012 Dec. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = -0.0330.
38P/Stephan-Oterma
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Nov. 10.60303 TT Kobayashi
q 1.5843168 (2000.0) P Q
n 0.02604213 Peri. 359.61015 +0.21309714 -0.92708678
a 11.2724504 Node 78.06604 +0.89725936 +0.06077931
e 0.8594523 Incl. 18.37258 +0.38667201 +0.36988645
P 37.8
From 258 observations 1867 Jan. 25-1981 Apr. 4, mean residual 1".2.
Nongravitational parameters A1 = +0.31, A2 = -0.0032.
38P/Stephan-Oterma
Epoch 2018 Nov. 18.0 TT = JDT 2458440.5
T 2018 Nov. 10.97151 TT Kobayashi
q 1.5885872 (2000.0) P Q
n 0.02596827 Peri. 359.58109 +0.21469979 -0.92684769
a 11.2938160 Node 77.99966 +0.89699971 +0.06236927
e 0.8593401 Incl. 18.35298 +0.38638779 +0.37022080
P 38.0
From 258 observations 1867 Jan. 25-1981 Apr. 4, mean residual 1".2.
Nongravitational parameters A1 = +0.31, A2 = -0.0032.
48P/Johnson
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Aug. 3.51938 TT Kobayashi
q 2.0221516 (2000.0) P Q
n 0.14876434 Peri. 210.93448 +0.81148158 +0.54781740
a 3.5275255 Node 114.48426 -0.47997332 +0.82340541
e 0.4267507 Incl. 12.91809 -0.33335154 +0.14798521
P 6.63
From 1232 observations 1949 Aug. 24-2015 Jan. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.61, A2 = -0.0195.
48P/Johnson
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Aug. 12.19874 TT Kobayashi
q 2.0045304 (2000.0) P Q
n 0.15064131 Peri. 216.56133 +0.82311142 +0.53204907
a 3.4981626 Node 110.13338 -0.45794136 +0.82861329
e 0.4269762 Incl. 12.20696 -0.33582331 +0.17413733
P 6.54
From 1232 observations 1949 Aug. 24-2015 Jan. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.61, A2 = -0.0195.
49P/Arend-Rigaux
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 July 15.07095 TT Kobayashi
q 1.4267879 (2000.0) P Q
n 0.14629189 Peri. 332.93044 -0.05260655 -0.95678029
a 3.5671596 Node 118.83230 +0.96511411 -0.12227524
e 0.6000213 Incl. 19.05569 +0.25649035 +0.26385649
P 6.74
From 2839 observations 1951 Feb. 7-2014 July 26, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = -0.0005.
49P/Arend-Rigaux
Epoch 2018 July 21.0 TT = JDT 2458320.5
T 2018 July 15.49713 TT Kobayashi
q 1.4296062 (2000.0) P Q
n 0.14618313 Peri. 332.88787 -0.05172726 -0.95687557
a 3.5689288 Node 118.82418 +0.96518841 -0.12138870
e 0.5994299 Incl. 19.04319 +0.25638960 +0.26392030
P 6.74
From 2839 observations 1951 Feb. 7-2014 July 26, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = -0.0005.
59P/Kearns-Kwee
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Sept. 16.44841 TT Kobayashi
q 2.3545318 (2000.0) P Q
n 0.10351895 Peri. 127.79051 +0.15508288 -0.98069943
a 4.4921696 Node 312.84153 +0.84765499 +0.19399921
e 0.4758587 Incl. 9.34570 +0.50737592 -0.02435020
P 9.52
From 989 observations 1989 Sept. 10-2010 Mar. 10, mean residual 0".8.
Nongravitational parameters A1 = +1.53, A2 = -0.1300.
59P/Kearns-Kwee
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Sept. 16.76460 TT Kobayashi
q 2.3587628 (2000.0) P Q
n 0.10342060 Peri. 127.70131 +0.15685070 -0.98042484
a 4.4950171 Node 312.82804 +0.84736139 +0.19549710
e 0.4752494 Incl. 9.33935 +0.50732291 -0.02340989
P 9.53
From 989 observations 1989 Sept. 10-2010 Mar. 10, mean residual 0".8.
Nongravitational parameters A1 = +1.53, A2 = -0.1300.
60P/Tsuchinshan
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2012 May 13.89176 TT Kobayashi
q 1.6194928 (2000.0) P Q
n 0.14990584 Peri. 216.48961 -0.56023625 -0.82594155
a 3.5095952 Node 267.66408 +0.77409444 -0.49501671
e 0.5385528 Incl. 3.60905 +0.29481036 -0.26977585
P 6.57
From 350 observations 1978 Dec. 1-2012 May 28, mean residual 0".8.
Nongravitational parameters A1 = -0.03, A2 = +0.0005.
60P/Tsuchinshan
Epoch 2018 Dec. 28.0 TT = JDT 2458480.5
T 2018 Dec. 11.23136 TT Kobayashi
q 1.6226475 (2000.0) P Q
n 0.14986353 Peri. 216.55283 -0.55998588 -0.82611496
a 3.5102556 Node 267.58352 +0.77426041 -0.49481952
e 0.5377409 Incl. 3.60652 +0.29485018 -0.26960659
P 6.58
From 350 observations 1978 Dec. 1-2012 May 28, mean residual 0".8.
Nongravitational parameters A1 = -0.03, A2 = +0.0005.
64P/Swift-Gehrels
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Nov. 3.81181 TT Kobayashi
q 1.3909629 (2000.0) P Q
n 0.10492002 Peri. 97.13483 +0.78611907 -0.60325822
a 4.4520887 Node 300.06269 +0.48778629 +0.73919891
e 0.6875707 Incl. 8.94183 +0.37958048 +0.29944030
P 9.39
From 219 observations 1981 July 31-2010 May 4, mean residual 0".7.
Nongravitational parameters A1 = +0.25, A2 = +0.0389.
64P/Swift-Gehrels
Epoch 2018 Nov. 18.0 TT = JDT 2458440.5
T 2018 Nov. 3.86049 TT Kobayashi
q 1.3931983 (2000.0) P Q
n 0.10471037 Peri. 97.15065 +0.78661976 -0.60256307
a 4.4580293 Node 299.99730 +0.48711326 +0.73970241
e 0.6874856 Incl. 8.94851 +0.37940747 +0.29959655
P 9.41
From 219 observations 1981 July 31-2010 May 4, mean residual 0".7.
Nongravitational parameters A1 = +0.25, A2 = +0.0389.
66P/du Toit
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 19.74757 TT Kobayashi
q 1.2859960 (2000.0) P Q
n 0.06658876 Peri. 257.34737 +0.14235480 +0.98255523
a 6.0284007 Node 21.94953 -0.73747474 +0.18592415
e 0.7866771 Incl. 18.67181 -0.66020157 +0.00417614
P 14.8
From 138 observations 1944 May 30-2003 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.02, A2 = -0.0111.
66P/du Toit
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 19.14383 TT Kobayashi
q 1.2901098 (2000.0) P Q
n 0.06616919 Peri. 257.21286 +0.13916714 +0.98304300
a 6.0538572 Node 21.89623 -0.73799331 +0.18336132
e 0.7868946 Incl. 18.67498 -0.66030173 +0.00225330
P 14.9
From 138 observations 1944 May 30-2003 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.02, A2 = -0.0111.
74P/Smirnova-Chernykh
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Jan. 24.55183 TT Nakano
q 3.5398088 (2000.0) P Q
n 0.11616741 Peri. 86.75305 -0.95380421 -0.27840926
a 4.1598707 Node 77.05949 +0.20839124 -0.88379644
e 0.1490580 Incl. 6.65204 +0.21640384 -0.37602146
P 8.48
From 2632 observations 1975 Mar. 4-2013 Oct. 6, mean residual 0".7.
Nongravitational parameters Y1 = +0.03, Y2 = -0.0107.
74P/Smirnova-Chernykh
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 26.70076 TT Nakano
q 3.5364615 (2000.0) P Q
n 0.11627522 Peri. 87.13520 -0.95561814 -0.27210551
a 4.1572991 Node 77.05567 +0.20253681 -0.88515072
e 0.1493368 Incl. 6.65391 +0.21394580 -0.37744774
P 8.48
From 2632 observations 1975 Mar. 4-2013 Oct. 6, mean residual 0".7.
Nongravitational parameters Y1 = +0.03, Y2 = -0.0107.
79P/du Toit-Hartley
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Aug. 23.46198 TT Nakano
q 1.1228175 (2000.0) P Q
n 0.19493119 Peri. 281.70151 -0.92364676 +0.37943186
a 2.9458808 Node 280.61558 -0.32677720 -0.85323736
e 0.6188517 Incl. 3.14518 -0.20023319 -0.35779529
P 5.06
From 190 observations 1986 Dec. 27-2013 Feb. 7, mean residual 0".7.
Nongravitational parameters A1 = -0.14, A2 = +0.0006.
79P/du Toit-Hartley
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Sept. 13.34475 TT Nakano
q 1.1209323 (2000.0) P Q
n 0.19514008 Peri. 281.85022 -0.92325078 +0.38038603
a 2.9437780 Node 280.52625 -0.32765299 -0.85293516
e 0.6192198 Incl. 3.14768 -0.20062779 -0.35750256
P 5.05
From 190 observations 1986 Dec. 27-2013 Feb. 7, mean residual 0".7.
Nongravitational parameters A1 = -0.14, A2 = +0.0006.
105P/Singer Brewster
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Aug. 11.14500 TT Kobayashi
q 2.0472827 (2000.0) P Q
n 0.15266464 Peri. 46.52320 -0.51783872 +0.85479014
a 3.4671855 Node 192.42311 -0.82370163 -0.50903061
e 0.4095260 Incl. 9.17582 -0.23099498 -0.10110216
P 6.46
From 302 observations 1986 May 3-2012 Nov. 6, mean residual 0".7.
Nongravitational parameters A1 = +0.32, A2 = -0.0661.
105P/Singer Brewster
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Aug. 10.31735 TT Kobayashi
q 2.0445293 (2000.0) P Q
n 0.15259501 Peri. 46.47471 -0.51846841 +0.85440778
a 3.4682402 Node 192.42942 -0.82332041 -0.50963896
e 0.4104995 Incl. 9.17504 -0.23094155 -0.10126928
P 6.46
From 302 observations 1986 May 3-2012 Nov. 6, mean residual 0".7.
Nongravitational parameters A1 = +0.32, A2 = -0.0661.
107P/Wilson-Harrington
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2014 Feb. 5.97748 TT MPCW
q 0.9908025 (2000.0) P Q
n 0.22955770 Peri. 91.79419 +0.99830638 -0.03225312
a 2.6416472 Node 270.05620 +0.01037494 +0.91760665
e 0.6249301 Incl. 2.77512 +0.05724277 +0.39617896
P 4.29
From 852 observations 1949 Nov. 21-2015 Mar. 19, mean residual 0".5.
107P/Wilson-Harrington
Epoch 2018 June 11.0 TT = JDT 2458280.5
T 2018 May 23.52711 TT MPCW
q 0.9698819 (2000.0) P Q
n 0.23149237 Peri. 95.40727 +0.99806245 -0.03867434
a 2.6269084 Node 266.81559 +0.01631494 +0.91861579
e 0.6307896 Incl. 2.79806 +0.06004311 +0.39325479
P 4.26
From 852 observations 1949 Nov. 21-2015 Mar. 19, mean residual 0".5.
125P/Spacewatch
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Feb. 17.06209 TT Kobayashi
q 1.5233346 (2000.0) P Q
n 0.17834616 Peri. 87.14634 -0.48799827 +0.86933325
a 3.1257929 Node 153.19549 -0.85379566 -0.45680938
e 0.5126566 Incl. 9.98806 -0.18135782 -0.18863959
P 5.53
From 462 observations 1991 Sept. 8-2013 Sept. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.0071.
125P/Spacewatch
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Aug. 27.95408 TT Kobayashi
q 1.5201730 (2000.0) P Q
n 0.17840887 Peri. 87.17863 -0.48776503 +0.86945946
a 3.1250605 Node 153.17823 -0.85392126 -0.45656855
e 0.5135541 Incl. 9.98876 -0.18139392 -0.18864097
P 5.52
From 462 observations 1991 Sept. 8-2013 Sept. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.0071.
133P/Elst-Pizarro
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Feb. 7.98774 TT MPCW
q 2.6504297 (2000.0) P Q
n 0.17554227 Peri. 131.99765 +0.37704346 +0.92615909
a 3.1589899 Node 160.14845 -0.85676351 +0.35213633
e 0.1609882 Incl. 1.38710 -0.35184444 +0.13501612
P 5.61
From 665 observations 1979 July 24-2014 Dec. 2, mean residual 0".5.
133P/Elst-Pizarro
Epoch 2018 Oct. 9.0 TT = JDT 2458400.5
T 2018 Sept. 20.75231 TT MPCW
q 2.6648023 (2000.0) P Q
n 0.17525513 Peri. 131.49028 +0.36862881 +0.92954018
a 3.1624395 Node 160.13618 -0.85993103 +0.34436261
e 0.1573586 Incl. 1.38923 -0.35303176 +0.13179323
P 5.62
From 665 observations 1979 July 24-2014 Dec. 2, mean residual 0".5.
143P/Kowal-Mrkos
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 7.59991 TT Kobayashi
q 2.5358014 (2000.0) P Q
n 0.11071401 Peri. 320.80475 -0.89602770 +0.43773169
a 4.2953740 Node 245.30501 -0.38402207 -0.84808108
e 0.4096436 Incl. 4.69290 -0.22284839 -0.29857907
P 8.90
From 400 observations 1984 Apr. 23-2015 Jan. 22, mean residual 0".5.
143P/Kowal-Mrkos
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 7.30250 TT Kobayashi
q 2.5322555 (2000.0) P Q
n 0.11065435 Peri. 320.86792 -0.89555489 +0.43869029
a 4.2969180 Node 245.30336 -0.38492091 -0.84768375
e 0.4106810 Incl. 4.69592 -0.22319797 -0.29830033
P 8.91
From 400 observations 1984 Apr. 23-2015 Jan. 22, mean residual 0".5.
164P/Christensen
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 31.27431 TT Kobayashi
q 1.6827850 (2000.0) P Q
n 0.14086127 Peri. 326.00058 +0.56103026 -0.77904445
a 3.6582634 Node 88.31018 +0.80805954 +0.44201291
e 0.5400044 Incl. 16.26052 +0.17967980 +0.44465079
P 7.00
From 888 observations 1998 Jan. 24-2012 May 18, mean residual 0".6.
Nongravitational parameters A1 = -0.17, A2 = +0.0103.
164P/Christensen
Epoch 2018 June 11.0 TT = JDT 2458280.5
T 2018 May 31.40966 TT Kobayashi
q 1.6852575 (2000.0) P Q
n 0.14067452 Peri. 325.93120 +0.56205509 -0.77835232
a 3.6615004 Node 88.30590 +0.80745565 +0.44308810
e 0.5397358 Incl. 16.25276 +0.17919109 +0.44479276
P 7.01
From 888 observations 1998 Jan. 24-2012 May 18, mean residual 0".6.
Nongravitational parameters A1 = -0.17, A2 = +0.0103.
169P/NEAT
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2014 Feb. 15.25363 TT Kobayashi
q 0.6072265 (2000.0) P Q
n 0.23445839 Peri. 218.03540 +0.82676176 -0.56239560
a 2.6047069 Node 176.11462 +0.55212197 +0.80668450
e 0.7668734 Incl. 11.29637 +0.10782540 +0.18158004
P 4.20
From 1126 observations 1989 Mar. 7-2014 Apr. 9, mean residual 0".5.
169P/NEAT
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 Apr. 29.60187 TT Kobayashi
q 0.6036373 (2000.0) P Q
n 0.23477249 Peri. 218.08855 +0.82650997 -0.56276333
a 2.6023832 Node 176.08647 +0.55249578 +0.80642328
e 0.7680444 Incl. 11.29555 +0.10784102 +0.18160102
P 4.20
From 1126 observations 1989 Mar. 7-2014 Apr. 9, mean residual 0".5.
185P/Petriew
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Jan. 27.96548 TT Kobayashi
q 0.9340283 (2000.0) P Q
n 0.18053820 Peri. 181.93515 +0.80921723 -0.57164804
a 3.1004398 Node 214.10011 +0.54222607 +0.81553492
e 0.6987433 Incl. 13.99618 +0.22618213 +0.09011830
P 5.46
From 895 observations 2001 June 12-2013 Mar. 15, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = +0.0171.
185P/Petriew
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 27.67427 TT Kobayashi
q 0.9338187 (2000.0) P Q
n 0.18042699 Peri. 181.91899 +0.80938814 -0.57141122
a 3.1017138 Node 214.09914 +0.54198333 +0.81568975
e 0.6989346 Incl. 13.99423 +0.22615239 +0.09021889
P 5.46
From 895 observations 2001 June 12-2013 Mar. 15, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = +0.0171.
197P/LINEAR
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Mar. 24.70720 TT Kobayashi
q 1.0609919 (2000.0) P Q
n 0.20321326 Peri. 188.70559 -0.27080739 +0.87779209
a 2.8652863 Node 66.38758 -0.85520175 -0.03093576
e 0.6297082 Incl. 25.54741 -0.44192003 -0.47804186
P 4.85
From 304 observations 2003 May 23-2013 Sept. 25, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = +0.0018.
197P/LINEAR
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 28.83857 TT Kobayashi
q 1.0599026 (2000.0) P Q
n 0.20317837 Peri. 188.68352 -0.27105409 +0.87764901
a 2.8656143 Node 66.39360 -0.85520356 -0.03109990
e 0.6301307 Incl. 25.55645 -0.44176526 -0.47829385
P 4.85
From 304 observations 2003 May 23-2013 Sept. 25, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = +0.0018.
240P/NEAT
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 16.10116 TT MPCW
q 2.1308794 (2000.0) P Q
n 0.12946914 Peri. 352.17430 +0.37778467 -0.84191319
a 3.8698299 Node 74.95181 +0.86963689 +0.17980125
e 0.4493610 Incl. 23.51496 +0.31782137 +0.50877666
P 7.61
From 1662 observations 2002 Oct. 5-2012 May 16, mean residual 0".6.
Nongravitational parameters A1 = -1.04, A2 = +1.1189.
240P/NEAT
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 16.22156 TT MPCW
q 2.1338234 (2000.0) P Q
n 0.12932166 Peri. 352.10491 +0.37922250 -0.84136550
a 3.8727715 Node 74.92648 +0.86925263 +0.18128314
e 0.4490190 Incl. 23.50394 +0.31715951 +0.50915667
P 7.62
From 1662 observations 2002 Oct. 5-2012 May 16, mean residual 0".6.
Nongravitational parameters A1 = -1.04, A2 = +1.1189.
21P/Giacobini-Zinner
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Sept. 13.28538 TT Kobayashi
q 1.0308027 (2000.0) P Q
n 0.14959149 Peri. 172.53871 +0.98520422 -0.09832525
a 3.5145101 Node 195.40027 +0.11677586 +0.98462665
e 0.7067009 Incl. 31.91051 +0.12544338 -0.14436935
P 6.59
From 930 observations 1998 Nov. 22-2013 Apr. 1, mean residual 0".9.
Nongravitational parameters A1 = +0.42, A2 = -0.0985.
21P/Giacobini-Zinner
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Sept. 10.33500 TT Kobayashi
q 1.0127778 (2000.0) P Q
n 0.15064563 Peri. 172.86147 +0.98462785 -0.10355853
a 3.4980958 Node 195.39329 +0.12223528 +0.98376758
e 0.7104774 Incl. 31.99768 +0.12476595 -0.14655028
P 6.54
From 930 observations 1998 Nov. 22-2013 Apr. 1, mean residual 0".9.
Nongravitational parameters A1 = +0.42, A2 = -0.0985.
26P/Grigg-Skjellerup
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 July 6.17914 TT Kobayashi
q 1.0846216 (2000.0) P Q
n 0.18811539 Peri. 2.14604 -0.83365019 +0.51496691
a 3.0166146 Node 211.53188 -0.51223389 -0.85605237
e 0.6404507 Incl. 22.43570 -0.20650379 +0.04453559
P 5.24
From 565 observations 1972 Feb. 12-2014 Sept. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0010.
26P/Grigg-Skjellerup
Epoch 2018 Oct. 9.0 TT = JDT 2458400.5
T 2018 Oct. 1.82037 TT Kobayashi
q 1.0822949 (2000.0) P Q
n 0.18832304 Peri. 2.20048 -0.83314280 +0.51573717
a 3.0143968 Node 211.53392 -0.51307475 -0.85556541
e 0.6409580 Incl. 22.44971 -0.20646399 +0.04497783
P 5.23
From 565 observations 1972 Feb. 12-2014 Sept. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0010.
37P/Forbes
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 4.01978 TT Kobayashi
q 1.6022719 (2000.0) P Q
n 0.15380597 Peri. 330.17615 +0.26008843 +0.95917919
a 3.4500118 Node 314.64205 -0.85216738 +0.17394090
e 0.5355750 Incl. 8.97820 -0.45405371 +0.22297946
P 6.41
From 695 observations 1993 Mar. 21-2012 Dec. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = -0.0330.
37P/Forbes
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 4.10373 TT Kobayashi
q 1.6102795 (2000.0) P Q
n 0.15337421 Peri. 329.97802 +0.25588499 +0.96032866
a 3.4564835 Node 314.59068 -0.85306853 +0.17036553
e 0.5341278 Incl. 8.95641 -0.45474934 +0.22078145
P 6.43
From 695 observations 1993 Mar. 21-2012 Dec. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = -0.0330.
38P/Stephan-Oterma
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Nov. 10.60303 TT Kobayashi
q 1.5843168 (2000.0) P Q
n 0.02604213 Peri. 359.61015 +0.21309714 -0.92708678
a 11.2724504 Node 78.06604 +0.89725936 +0.06077931
e 0.8594523 Incl. 18.37258 +0.38667201 +0.36988645
P 37.8
From 258 observations 1867 Jan. 25-1981 Apr. 4, mean residual 1".2.
Nongravitational parameters A1 = +0.31, A2 = -0.0032.
38P/Stephan-Oterma
Epoch 2018 Nov. 18.0 TT = JDT 2458440.5
T 2018 Nov. 10.97151 TT Kobayashi
q 1.5885872 (2000.0) P Q
n 0.02596827 Peri. 359.58109 +0.21469979 -0.92684769
a 11.2938160 Node 77.99966 +0.89699971 +0.06236927
e 0.8593401 Incl. 18.35298 +0.38638779 +0.37022080
P 38.0
From 258 observations 1867 Jan. 25-1981 Apr. 4, mean residual 1".2.
Nongravitational parameters A1 = +0.31, A2 = -0.0032.
48P/Johnson
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Aug. 3.51938 TT Kobayashi
q 2.0221516 (2000.0) P Q
n 0.14876434 Peri. 210.93448 +0.81148158 +0.54781740
a 3.5275255 Node 114.48426 -0.47997332 +0.82340541
e 0.4267507 Incl. 12.91809 -0.33335154 +0.14798521
P 6.63
From 1232 observations 1949 Aug. 24-2015 Jan. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.61, A2 = -0.0195.
48P/Johnson
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Aug. 12.19874 TT Kobayashi
q 2.0045304 (2000.0) P Q
n 0.15064131 Peri. 216.56133 +0.82311142 +0.53204907
a 3.4981626 Node 110.13338 -0.45794136 +0.82861329
e 0.4269762 Incl. 12.20696 -0.33582331 +0.17413733
P 6.54
From 1232 observations 1949 Aug. 24-2015 Jan. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.61, A2 = -0.0195.
49P/Arend-Rigaux
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 July 15.07095 TT Kobayashi
q 1.4267879 (2000.0) P Q
n 0.14629189 Peri. 332.93044 -0.05260655 -0.95678029
a 3.5671596 Node 118.83230 +0.96511411 -0.12227524
e 0.6000213 Incl. 19.05569 +0.25649035 +0.26385649
P 6.74
From 2839 observations 1951 Feb. 7-2014 July 26, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = -0.0005.
49P/Arend-Rigaux
Epoch 2018 July 21.0 TT = JDT 2458320.5
T 2018 July 15.49713 TT Kobayashi
q 1.4296062 (2000.0) P Q
n 0.14618313 Peri. 332.88787 -0.05172726 -0.95687557
a 3.5689288 Node 118.82418 +0.96518841 -0.12138870
e 0.5994299 Incl. 19.04319 +0.25638960 +0.26392030
P 6.74
From 2839 observations 1951 Feb. 7-2014 July 26, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = -0.0005.
59P/Kearns-Kwee
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Sept. 16.44841 TT Kobayashi
q 2.3545318 (2000.0) P Q
n 0.10351895 Peri. 127.79051 +0.15508288 -0.98069943
a 4.4921696 Node 312.84153 +0.84765499 +0.19399921
e 0.4758587 Incl. 9.34570 +0.50737592 -0.02435020
P 9.52
From 989 observations 1989 Sept. 10-2010 Mar. 10, mean residual 0".8.
Nongravitational parameters A1 = +1.53, A2 = -0.1300.
59P/Kearns-Kwee
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Sept. 16.76460 TT Kobayashi
q 2.3587628 (2000.0) P Q
n 0.10342060 Peri. 127.70131 +0.15685070 -0.98042484
a 4.4950171 Node 312.82804 +0.84736139 +0.19549710
e 0.4752494 Incl. 9.33935 +0.50732291 -0.02340989
P 9.53
From 989 observations 1989 Sept. 10-2010 Mar. 10, mean residual 0".8.
Nongravitational parameters A1 = +1.53, A2 = -0.1300.
60P/Tsuchinshan
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2012 May 13.89176 TT Kobayashi
q 1.6194928 (2000.0) P Q
n 0.14990584 Peri. 216.48961 -0.56023625 -0.82594155
a 3.5095952 Node 267.66408 +0.77409444 -0.49501671
e 0.5385528 Incl. 3.60905 +0.29481036 -0.26977585
P 6.57
From 350 observations 1978 Dec. 1-2012 May 28, mean residual 0".8.
Nongravitational parameters A1 = -0.03, A2 = +0.0005.
60P/Tsuchinshan
Epoch 2018 Dec. 28.0 TT = JDT 2458480.5
T 2018 Dec. 11.23136 TT Kobayashi
q 1.6226475 (2000.0) P Q
n 0.14986353 Peri. 216.55283 -0.55998588 -0.82611496
a 3.5102556 Node 267.58352 +0.77426041 -0.49481952
e 0.5377409 Incl. 3.60652 +0.29485018 -0.26960659
P 6.58
From 350 observations 1978 Dec. 1-2012 May 28, mean residual 0".8.
Nongravitational parameters A1 = -0.03, A2 = +0.0005.
64P/Swift-Gehrels
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Nov. 3.81181 TT Kobayashi
q 1.3909629 (2000.0) P Q
n 0.10492002 Peri. 97.13483 +0.78611907 -0.60325822
a 4.4520887 Node 300.06269 +0.48778629 +0.73919891
e 0.6875707 Incl. 8.94183 +0.37958048 +0.29944030
P 9.39
From 219 observations 1981 July 31-2010 May 4, mean residual 0".7.
Nongravitational parameters A1 = +0.25, A2 = +0.0389.
64P/Swift-Gehrels
Epoch 2018 Nov. 18.0 TT = JDT 2458440.5
T 2018 Nov. 3.86049 TT Kobayashi
q 1.3931983 (2000.0) P Q
n 0.10471037 Peri. 97.15065 +0.78661976 -0.60256307
a 4.4580293 Node 299.99730 +0.48711326 +0.73970241
e 0.6874856 Incl. 8.94851 +0.37940747 +0.29959655
P 9.41
From 219 observations 1981 July 31-2010 May 4, mean residual 0".7.
Nongravitational parameters A1 = +0.25, A2 = +0.0389.
66P/du Toit
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 19.74757 TT Kobayashi
q 1.2859960 (2000.0) P Q
n 0.06658876 Peri. 257.34737 +0.14235480 +0.98255523
a 6.0284007 Node 21.94953 -0.73747474 +0.18592415
e 0.7866771 Incl. 18.67181 -0.66020157 +0.00417614
P 14.8
From 138 observations 1944 May 30-2003 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.02, A2 = -0.0111.
66P/du Toit
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 19.14383 TT Kobayashi
q 1.2901098 (2000.0) P Q
n 0.06616919 Peri. 257.21286 +0.13916714 +0.98304300
a 6.0538572 Node 21.89623 -0.73799331 +0.18336132
e 0.7868946 Incl. 18.67498 -0.66030173 +0.00225330
P 14.9
From 138 observations 1944 May 30-2003 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.02, A2 = -0.0111.
74P/Smirnova-Chernykh
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Jan. 24.55183 TT Nakano
q 3.5398088 (2000.0) P Q
n 0.11616741 Peri. 86.75305 -0.95380421 -0.27840926
a 4.1598707 Node 77.05949 +0.20839124 -0.88379644
e 0.1490580 Incl. 6.65204 +0.21640384 -0.37602146
P 8.48
From 2632 observations 1975 Mar. 4-2013 Oct. 6, mean residual 0".7.
Nongravitational parameters Y1 = +0.03, Y2 = -0.0107.
74P/Smirnova-Chernykh
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 26.70076 TT Nakano
q 3.5364615 (2000.0) P Q
n 0.11627522 Peri. 87.13520 -0.95561814 -0.27210551
a 4.1572991 Node 77.05567 +0.20253681 -0.88515072
e 0.1493368 Incl. 6.65391 +0.21394580 -0.37744774
P 8.48
From 2632 observations 1975 Mar. 4-2013 Oct. 6, mean residual 0".7.
Nongravitational parameters Y1 = +0.03, Y2 = -0.0107.
79P/du Toit-Hartley
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Aug. 23.46198 TT Nakano
q 1.1228175 (2000.0) P Q
n 0.19493119 Peri. 281.70151 -0.92364676 +0.37943186
a 2.9458808 Node 280.61558 -0.32677720 -0.85323736
e 0.6188517 Incl. 3.14518 -0.20023319 -0.35779529
P 5.06
From 190 observations 1986 Dec. 27-2013 Feb. 7, mean residual 0".7.
Nongravitational parameters A1 = -0.14, A2 = +0.0006.
79P/du Toit-Hartley
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Sept. 13.34475 TT Nakano
q 1.1209323 (2000.0) P Q
n 0.19514008 Peri. 281.85022 -0.92325078 +0.38038603
a 2.9437780 Node 280.52625 -0.32765299 -0.85293516
e 0.6192198 Incl. 3.14768 -0.20062779 -0.35750256
P 5.05
From 190 observations 1986 Dec. 27-2013 Feb. 7, mean residual 0".7.
Nongravitational parameters A1 = -0.14, A2 = +0.0006.
105P/Singer Brewster
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Aug. 11.14500 TT Kobayashi
q 2.0472827 (2000.0) P Q
n 0.15266464 Peri. 46.52320 -0.51783872 +0.85479014
a 3.4671855 Node 192.42311 -0.82370163 -0.50903061
e 0.4095260 Incl. 9.17582 -0.23099498 -0.10110216
P 6.46
From 302 observations 1986 May 3-2012 Nov. 6, mean residual 0".7.
Nongravitational parameters A1 = +0.32, A2 = -0.0661.
105P/Singer Brewster
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Aug. 10.31735 TT Kobayashi
q 2.0445293 (2000.0) P Q
n 0.15259501 Peri. 46.47471 -0.51846841 +0.85440778
a 3.4682402 Node 192.42942 -0.82332041 -0.50963896
e 0.4104995 Incl. 9.17504 -0.23094155 -0.10126928
P 6.46
From 302 observations 1986 May 3-2012 Nov. 6, mean residual 0".7.
Nongravitational parameters A1 = +0.32, A2 = -0.0661.
107P/Wilson-Harrington
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2014 Feb. 5.97748 TT MPCW
q 0.9908025 (2000.0) P Q
n 0.22955770 Peri. 91.79419 +0.99830638 -0.03225312
a 2.6416472 Node 270.05620 +0.01037494 +0.91760665
e 0.6249301 Incl. 2.77512 +0.05724277 +0.39617896
P 4.29
From 852 observations 1949 Nov. 21-2015 Mar. 19, mean residual 0".5.
107P/Wilson-Harrington
Epoch 2018 June 11.0 TT = JDT 2458280.5
T 2018 May 23.52711 TT MPCW
q 0.9698819 (2000.0) P Q
n 0.23149237 Peri. 95.40727 +0.99806245 -0.03867434
a 2.6269084 Node 266.81559 +0.01631494 +0.91861579
e 0.6307896 Incl. 2.79806 +0.06004311 +0.39325479
P 4.26
From 852 observations 1949 Nov. 21-2015 Mar. 19, mean residual 0".5.
125P/Spacewatch
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Feb. 17.06209 TT Kobayashi
q 1.5233346 (2000.0) P Q
n 0.17834616 Peri. 87.14634 -0.48799827 +0.86933325
a 3.1257929 Node 153.19549 -0.85379566 -0.45680938
e 0.5126566 Incl. 9.98806 -0.18135782 -0.18863959
P 5.53
From 462 observations 1991 Sept. 8-2013 Sept. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.0071.
125P/Spacewatch
Epoch 2018 Aug. 30.0 TT = JDT 2458360.5
T 2018 Aug. 27.95408 TT Kobayashi
q 1.5201730 (2000.0) P Q
n 0.17840887 Peri. 87.17863 -0.48776503 +0.86945946
a 3.1250605 Node 153.17823 -0.85392126 -0.45656855
e 0.5135541 Incl. 9.98876 -0.18139392 -0.18864097
P 5.52
From 462 observations 1991 Sept. 8-2013 Sept. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.0071.
133P/Elst-Pizarro
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Feb. 7.98774 TT MPCW
q 2.6504297 (2000.0) P Q
n 0.17554227 Peri. 131.99765 +0.37704346 +0.92615909
a 3.1589899 Node 160.14845 -0.85676351 +0.35213633
e 0.1609882 Incl. 1.38710 -0.35184444 +0.13501612
P 5.61
From 665 observations 1979 July 24-2014 Dec. 2, mean residual 0".5.
133P/Elst-Pizarro
Epoch 2018 Oct. 9.0 TT = JDT 2458400.5
T 2018 Sept. 20.75231 TT MPCW
q 2.6648023 (2000.0) P Q
n 0.17525513 Peri. 131.49028 +0.36862881 +0.92954018
a 3.1624395 Node 160.13618 -0.85993103 +0.34436261
e 0.1573586 Incl. 1.38923 -0.35303176 +0.13179323
P 5.62
From 665 observations 1979 July 24-2014 Dec. 2, mean residual 0".5.
143P/Kowal-Mrkos
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 7.59991 TT Kobayashi
q 2.5358014 (2000.0) P Q
n 0.11071401 Peri. 320.80475 -0.89602770 +0.43773169
a 4.2953740 Node 245.30501 -0.38402207 -0.84808108
e 0.4096436 Incl. 4.69290 -0.22284839 -0.29857907
P 8.90
From 400 observations 1984 Apr. 23-2015 Jan. 22, mean residual 0".5.
143P/Kowal-Mrkos
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 7.30250 TT Kobayashi
q 2.5322555 (2000.0) P Q
n 0.11065435 Peri. 320.86792 -0.89555489 +0.43869029
a 4.2969180 Node 245.30336 -0.38492091 -0.84768375
e 0.4106810 Incl. 4.69592 -0.22319797 -0.29830033
P 8.91
From 400 observations 1984 Apr. 23-2015 Jan. 22, mean residual 0".5.
164P/Christensen
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 31.27431 TT Kobayashi
q 1.6827850 (2000.0) P Q
n 0.14086127 Peri. 326.00058 +0.56103026 -0.77904445
a 3.6582634 Node 88.31018 +0.80805954 +0.44201291
e 0.5400044 Incl. 16.26052 +0.17967980 +0.44465079
P 7.00
From 888 observations 1998 Jan. 24-2012 May 18, mean residual 0".6.
Nongravitational parameters A1 = -0.17, A2 = +0.0103.
164P/Christensen
Epoch 2018 June 11.0 TT = JDT 2458280.5
T 2018 May 31.40966 TT Kobayashi
q 1.6852575 (2000.0) P Q
n 0.14067452 Peri. 325.93120 +0.56205509 -0.77835232
a 3.6615004 Node 88.30590 +0.80745565 +0.44308810
e 0.5397358 Incl. 16.25276 +0.17919109 +0.44479276
P 7.01
From 888 observations 1998 Jan. 24-2012 May 18, mean residual 0".6.
Nongravitational parameters A1 = -0.17, A2 = +0.0103.
169P/NEAT
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2014 Feb. 15.25363 TT Kobayashi
q 0.6072265 (2000.0) P Q
n 0.23445839 Peri. 218.03540 +0.82676176 -0.56239560
a 2.6047069 Node 176.11462 +0.55212197 +0.80668450
e 0.7668734 Incl. 11.29637 +0.10782540 +0.18158004
P 4.20
From 1126 observations 1989 Mar. 7-2014 Apr. 9, mean residual 0".5.
169P/NEAT
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 Apr. 29.60187 TT Kobayashi
q 0.6036373 (2000.0) P Q
n 0.23477249 Peri. 218.08855 +0.82650997 -0.56276333
a 2.6023832 Node 176.08647 +0.55249578 +0.80642328
e 0.7680444 Incl. 11.29555 +0.10784102 +0.18160102
P 4.20
From 1126 observations 1989 Mar. 7-2014 Apr. 9, mean residual 0".5.
185P/Petriew
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 Jan. 27.96548 TT Kobayashi
q 0.9340283 (2000.0) P Q
n 0.18053820 Peri. 181.93515 +0.80921723 -0.57164804
a 3.1004398 Node 214.10011 +0.54222607 +0.81553492
e 0.6987433 Incl. 13.99618 +0.22618213 +0.09011830
P 5.46
From 895 observations 2001 June 12-2013 Mar. 15, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = +0.0171.
185P/Petriew
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 27.67427 TT Kobayashi
q 0.9338187 (2000.0) P Q
n 0.18042699 Peri. 181.91899 +0.80938814 -0.57141122
a 3.1017138 Node 214.09914 +0.54198333 +0.81568975
e 0.6989346 Incl. 13.99423 +0.22615239 +0.09021889
P 5.46
From 895 observations 2001 June 12-2013 Mar. 15, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = +0.0171.
197P/LINEAR
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2013 Mar. 24.70720 TT Kobayashi
q 1.0609919 (2000.0) P Q
n 0.20321326 Peri. 188.70559 -0.27080739 +0.87779209
a 2.8652863 Node 66.38758 -0.85520175 -0.03093576
e 0.6297082 Incl. 25.54741 -0.44192003 -0.47804186
P 4.85
From 304 observations 2003 May 23-2013 Sept. 25, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = +0.0018.
197P/LINEAR
Epoch 2018 Feb. 11.0 TT = JDT 2458160.5
T 2018 Jan. 28.83857 TT Kobayashi
q 1.0599026 (2000.0) P Q
n 0.20317837 Peri. 188.68352 -0.27105409 +0.87764901
a 2.8656143 Node 66.39360 -0.85520356 -0.03109990
e 0.6301307 Incl. 25.55645 -0.44176526 -0.47829385
P 4.85
From 304 observations 2003 May 23-2013 Sept. 25, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = +0.0018.
240P/NEAT
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2018 May 16.10116 TT MPCW
q 2.1308794 (2000.0) P Q
n 0.12946914 Peri. 352.17430 +0.37778467 -0.84191319
a 3.8698299 Node 74.95181 +0.86963689 +0.17980125
e 0.4493610 Incl. 23.51496 +0.31782137 +0.50877666
P 7.61
From 1662 observations 2002 Oct. 5-2012 May 16, mean residual 0".6.
Nongravitational parameters A1 = -1.04, A2 = +1.1189.
240P/NEAT
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 16.22156 TT MPCW
q 2.1338234 (2000.0) P Q
n 0.12932166 Peri. 352.10491 +0.37922250 -0.84136550
a 3.8727715 Node 74.92648 +0.86925263 +0.18128314
e 0.4490190 Incl. 23.50394 +0.31715951 +0.50915667
P 7.62
From 1662 observations 2002 Oct. 5-2012 May 16, mean residual 0".6.
Nongravitational parameters A1 = -1.04, A2 = +1.1189.