2023 US1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3728688240 ± 3.71e-04
Semi-major axis (a)1.6934724387 AU ± 1.10e-03
Inclination (i)10.22104375° ± 8.58e-03
Long. of Asc. Node (Ω)47.11889432° ± 5.00e-03
Arg. of Perihelion (ω)288.17425840° ± 6.44e-03
Mean Anomaly (M)3.50984543° ± 3.56e-01
Mean Motion (n)0.4472445704°/day ± 4.37e-04
Perihelion dist (q)1.06202936 AU ± 9.34e-04
Aphelion dist (Q)2.32491552 AU ± 1.64e-03
Orbital Period2.20377473 yr ± 2.15e-03
Physical Parameters
H (abs. magnitude)23.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.182″
Uncertainty3
Orbit TypeAmor
MOID0.158921 AU
Observations Used18
Oppositions1
Arc Total2023-2023
First Observation Used2023-10-16
Last Observation Used2023-11-05
Observations (19)
Date Type RA Dec Mag Band Observatory
2023-10-16 10:10:06 C 01 44 29.503 -21 12 52.09 X F51
2023-10-16 10:25:15 C 01 44 28.455 -21 11 58.60 X F51
2023-10-16 10:40:23 C 01 44 27.399 -21 11 04.77 X F51
2023-10-16 10:55:32 C 01 44 26.348 -21 10 11.69 X F51
2023-10-16 12:32:49 C 01 44 19.711 -21 04 27.59 V F51
2023-10-16 12:33:44 C 01 44 19.651 -21 04 24.36 V F51
2023-10-16 12:36:30 C 01 44 19.460 -21 04 14.53 V F51
2023-10-16 12:37:25 C 01 44 19.373 -21 04 11.00 V F51
2023-10-17 11:43:49 C 01 43 05.224 -19 43 38.55 V T14
2023-10-17 11:45:14 C 01 43 05.132 -19 43 33.53 V T14
2023-10-17 11:46:41 C 01 43 05.041 -19 43 28.46 V T14
2023-10-17 11:48:07 C 01 43 04.933 -19 43 23.49 V T14
2023-10-18 08:49:56 C 01 41 59.53 -18 31 24.5 V 691
2023-10-18 09:16:36 C 01 41 57.89 -18 29 53.2 V 691
2023-10-19 06:45:13 C 01 40 55.526 -17 17 36.34 V 654
2023-10-19 07:02:32 C 01 40 54.468 -17 16 38.64 V 654
2023-11-05 04:31:57 C 01 28 36.68 +00 48 31.7 V H21
2023-11-05 04:40:16 C 01 28 36.54 +00 48 48.8 V H21
2023-11-05 04:48:36 C 01 28 36.46 +00 49 04.8 V H21