Астероид 2023 ET1 _ K23E01T _ C90EHW2 object, Ø 4 м (H = 29.471), класса Аполлон (Apollo), 11 марта 2023 года в 13:44 UT ± 37 минут пролетел на расстоянии 0.002998788 a.e. (1.17 LD) от Земли, примерно 449 818.2 км ..
Inside 10 LD of Earth: 6 - 16 марта 2023 года ..
2023 ET1 / K23E01T (H=29.52 ~4m, Earth MOID=0.31 LD, risk, close passer, small) was picked up at 0658 UT on 14 March by program code 1 via MLS, which observed it at March 14.29-30p3. This detection was confirmed by Farpoint Obs. (March 14.32-34p3), Steward Mt. Lemmon Sta. (March 14.44-45p4), and Holmes/CTIO (March 15.23-25p3).

