2021 WA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4229329946 ± 5.21e-05
Semi-major axis (a)1.8103933009 AU ± 1.74e-04
Inclination (i)6.04398345° ± 5.31e-04
Long. of Asc. Node (Ω)236.85029273° ± 3.90e-04
Arg. of Perihelion (ω)173.81102261° ± 1.49e-04
Mean Anomaly (M)232.63904661° ± 8.56e-02
Mean Motion (n)0.4046251518°/day ± 5.84e-05
Perihelion dist (q)1.04471824 AU ± 1.38e-04
Aphelion dist (Q)2.57606836 AU ± 2.65e-04
Orbital Period2.43589969 yr ± 3.51e-04
Physical Parameters
H (abs. magnitude)24.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.310″
Uncertainty2
Orbit TypeAmor
MOID0.055053 AU
Observations Used44
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-27
Last Observation Used2022-01-04
Observations (45)
Date Type RA Dec Mag Band Observatory
2021-11-27 07:11:59 C 01 23 21.006 +02 20 08.89 U F52
2021-11-27 07:43:14 C 01 23 33.465 +02 19 34.70 U F52
2021-11-27 07:58:53 C 01 23 39.725 +02 19 17.48 V F52
2021-11-27 22:45:48 C 01 29 55.73 +02 02 33.2 V 033
2021-11-27 22:47:34 C 01 29 56.45 +02 02 31.4 V 033
2021-11-27 22:49:19 C 01 29 57.18 +02 02 29.6 V 033
2021-11-27 22:51:15 C 01 29 57.98 +02 02 27.5 V 033
2021-11-28 02:48:21 C 01 31 39.91 +02 00 21.6 u 807
2021-11-28 02:57:11 C 01 31 43.50 +02 00 11.6 u 807
2021-11-28 03:06:04 C 01 31 47.02 +02 00 02.1 u 807
2021-11-28 08:06:44 C 01 33 55.861 +01 53 17.21 U F51
2021-11-28 08:15:51 C 01 33 59.479 +01 53 07.50 U F51
2021-11-28 08:24:55 C 01 34 03.091 +01 52 57.84 U F51
2021-11-28 08:34:02 C 01 34 06.714 +01 52 48.07 U F51
2021-11-28 21:09:59 C 01 39 28.49 +01 38 54.9 V 204
2021-11-28 21:41:50 C 01 39 41.32 +01 38 21.8 V 204
2021-11-29 00:55:13 C 01 41 05.97 +01 37 00.7 u 807
2021-11-29 01:01:10 C 01 41 08.31 +01 36 55.1 u 807
2021-11-29 01:07:06 C 01 41 10.69 +01 36 48.3 u 807
2021-11-29 01:11:34 C 01 41 13.86 +01 34 51.8 u H21
2021-11-29 01:22:09 C 01 41 18.13 +01 34 41.0 u H21
2021-11-29 01:25:51 C 01 41 19.61 +01 34 36.9 u H21
2021-11-29 01:33:32 C 01 41 24.28 +01 34 35.1 X 858
2021-11-29 01:48:28 C 01 41 30.31 +01 34 19.3 X 858
2021-11-30 01:07:51 C 01 51 17.84 +01 12 20.8 u 807
2021-11-30 01:16:46 C 01 51 21.31 +01 12 11.9 u 807
2021-11-30 01:25:38 C 01 51 24.84 +01 12 03.6 u 807
2021-12-02 03:27:35 C 02 12 01.46 +00 24 43.0 u 807
2021-12-02 03:36:44 C 02 12 04.95 +00 24 35.4 u 807
2021-12-02 03:45:53 C 02 12 08.49 +00 24 26.7 u 807
2021-12-04 03:01:15 C 02 30 54.46 -00 14 52.8 u 807
2021-12-04 03:07:05 C 02 30 56.59 -00 14 56.8 u 807
2021-12-04 03:12:53 C 02 30 58.68 -00 15 01.7 u 807
2021-12-05 04:31:25 C 02 40 40.09 -00 35 14.4 V G96
2021-12-05 04:41:54 C 02 40 43.78 -00 35 21.8 V G96
2021-12-05 04:52:24 C 02 40 47.50 -00 35 29.0 V G96
2021-12-05 05:02:53 C 02 40 51.21 -00 35 36.7 V G96
2021-12-10 01:12:59 C 03 21 07.87 -01 36 53.3 u 807
2021-12-10 01:22:05 C 03 21 10.65 -01 36 55.6 u 807
2021-12-10 01:31:03 C 03 21 13.29 -01 36 59.8 u 807
2021-12-15 03:11:43 C 03 55 48.10 -02 05 49.0 V 807
2021-12-15 03:17:12 C 03 55 49.40 -02 05 49.4 V 807
2021-12-15 03:22:40 C 03 55 50.71 -02 05 51.0 V 807
2022-01-04 03:16:44 C 05 17 09.26 -00 19 46.6 u H21
2022-01-04 03:25:54 C 05 17 10.23 -00 19 41.5 u H21