2021 WO

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2788609741 ± 3.45e-07
Semi-major axis (a)0.8376124296 AU ± 6.87e-08
Inclination (i)12.48201475° ± 3.02e-05
Long. of Asc. Node (Ω)208.13009483° ± 7.60e-05
Arg. of Perihelion (ω)59.80817332° ± 7.42e-05
Mean Anomaly (M)201.72513098° ± 3.03e-04
Mean Motion (n)1.2857235719°/day ± 1.58e-07
Perihelion dist (q)0.60403501 AU ± 2.94e-07
Aphelion dist (Q)1.07118985 AU ± 3.02e-07
Orbital Period0.76659268 yr ± 9.44e-08
Physical Parameters
H (abs. magnitude)20.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.363″
Uncertainty0
Orbit TypeAten
MOID0.061102 AU
Observations Used81
Oppositions1
Arc Total2018-2022
First Observation Used2018-11-07
Last Observation Used2022-03-02
Observations (83)
Date Type RA Dec Mag Band Observatory
2021-12-31 01:28:56 C 01 57 02.58 -25 54 21.9 u 807
2021-12-31 01:36:48 C 01 57 03.10 -25 54 14.4 u 807
2022-01-03 01:12:00 C 02 02 18.78 -24 44 23.3 u 807
2022-01-03 01:21:03 C 02 02 19.35 -24 44 13.8 u 807
2022-01-03 01:29:45 C 02 02 19.96 -24 44 05.5 u 807
2022-01-03 03:47:19 C 02 02 30.15 -24 42 15.8 o 691
2022-01-03 04:05:31 C 02 02 31.35 -24 41 58.0 o 691
2022-01-04 02:52:34 C 02 04 11.07 -24 20 07.0 o 291
2022-01-04 02:59:02 C 02 04 11.43 -24 20 01.3 o 291
2022-01-04 03:05:30 C 02 04 11.92 -24 19 55.0 o 291
2022-01-06 01:04:39 C 02 07 30.34 -23 35 53.6 u 807
2022-01-06 01:12:28 C 02 07 30.79 -23 35 46.7 u 807
2022-01-06 01:35:52 C 02 07 32.37 -23 35 24.1 u 807
2022-01-06 02:32:43 C 02 07 37.15 -23 34 53.3 o 691
2022-01-06 02:39:54 C 02 07 37.56 -23 34 46.7 o 691
2022-01-06 02:47:06 C 02 07 38.06 -23 34 39.8 o 691
2022-01-13 02:50:09 C 02 19 32.67 -21 00 18.3 V 291
2022-01-13 03:06:19 C 02 19 33.73 -21 00 03.3 V 291
2022-01-13 03:22:31 C 02 19 34.78 -20 59 48.3 V 291
2022-01-31 03:05:18 C 02 49 38.36 -14 50 16.7 V V06
2022-01-31 03:08:23 C 02 49 38.54 -14 50 13.6 V V06
2022-01-31 03:11:28 C 02 49 38.79 -14 50 11.0 V V06
2022-02-11 02:34:27 C 03 08 01.19 -11 17 12.7 V 695
2022-02-11 02:55:46 C 03 08 02.60 -11 16 55.5 V 695
2022-02-11 03:17:06 C 03 08 04.00 -11 16 38.4 V 695
2022-02-14 03:27:27 C 03 13 04.78 -10 19 32.9 V 695
2022-02-14 03:46:51 C 03 13 06.05 -10 19 17.6 V 695
2022-02-14 04:06:15 C 03 13 07.35 -10 19 02.0 V 695
2022-02-21 02:39:29 C 03 24 33.82 -08 08 42.2 o 691
2022-02-21 03:08:42 C 03 24 35.69 -08 08 19.4 o 691
2022-03-02 03:04:40 C 03 38 54.89 -05 20 10.1 o 291
2022-03-02 03:19:16 C 03 38 55.72 -05 19 58.0 o 291
2022-03-02 03:33:50 C 03 38 56.59 -05 19 47.4 o 291