2022 US21

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3892637392 ± 7.77e-07
Semi-major axis (a)0.9326645110 AU ± 1.41e-07
Inclination (i)22.86795995° ± 2.86e-05
Long. of Asc. Node (Ω)26.33413779° ± 1.19e-05
Arg. of Perihelion (ω)230.94446216° ± 2.88e-05
Mean Anomaly (M)233.49918139° ± 2.35e-04
Mean Motion (n)1.0942690065°/day ± 2.48e-07
Perihelion dist (q)0.56961204 AU ± 7.29e-07
Aphelion dist (Q)1.29571699 AU ± 7.50e-07
Orbital Period0.90071662 yr ± 2.04e-07
Physical Parameters
H (abs. magnitude)21.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.259″
Uncertainty0
Orbit TypeAten
MOID0.034210 AU
Observations Used67
Oppositions1
Arc Total2022-2023
First Observation Used2022-10-28
Last Observation Used2023-11-17
Observations (69)
Date Type RA Dec Mag Band Observatory
2022-11-14 23:02:30 C 22 40 08.95 +12 51 16.0 V 950
2022-11-14 23:04:00 C 22 40 09.06 +12 51 18.4 V 950
2022-11-14 23:05:29 C 22 40 09.18 +12 51 20.8 V 950
2022-11-22 00:38:56 C 22 53 25.49 +16 43 39.0 u H21
2022-11-22 00:57:30 C 22 53 26.77 +16 44 00.2 u H21
2022-11-23 00:09:20 C 22 55 10.27 +17 09 54.8 u H21
2022-11-23 00:21:51 C 22 55 11.12 +17 10 08.2 u H21
2022-11-25 23:46:17 C 23 00 24.67 +18 23 26.9 u H21
2022-11-25 23:58:48 C 23 00 25.52 +18 23 39.4 u H21
2023-10-13 14:58:57 C 06 45 31.347 +39 11 05.35 V T12
2023-10-13 15:01:53 C 06 45 31.355 +39 11 11.50 V T12
2023-10-15 14:31:28 C 06 45 50.012 +40 50 47.57 V T12
2023-10-15 14:35:33 C 06 45 49.996 +40 50 56.27 V T12
2023-10-22 08:40:18 C 06 44 25.415 +46 49 48.72 V V06
2023-10-22 08:48:38 C 06 44 25.170 +46 50 08.23 V V06
2023-10-22 08:56:58 C 06 44 24.922 +46 50 27.60 V V06
2023-10-22 09:05:18 C 06 44 24.673 +46 50 47.08 V V06
2023-11-17 12:56:57 C 04 59 50.192 +70 07 57.70 V T12
2023-11-17 13:02:01 C 04 59 47.986 +70 08 04.94 V T12