2021 WX4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2427400830 ± 3.42e-05
Semi-major axis (a)1.6360278309 AU ± 1.16e-04
Inclination (i)13.06690957° ± 1.60e-03
Long. of Asc. Node (Ω)61.68027153° ± 4.74e-04
Arg. of Perihelion (ω)21.65009724° ± 3.32e-03
Mean Anomaly (M)315.85097728° ± 7.02e-02
Mean Motion (n)0.4710057893°/day ± 4.99e-05
Perihelion dist (q)1.23889830 AU ± 1.04e-04
Aphelion dist (Q)2.03315736 AU ± 1.54e-04
Orbital Period2.09259908 yr ± 2.22e-04
Physical Parameters
H (abs. magnitude)22.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.295″
Uncertainty2
Orbit TypeAmor
MOID0.260968 AU
Observations Used36
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-28
Last Observation Used2022-01-08
Observations (36)
Date Type RA Dec Mag Band Observatory
2021-11-28 07:59:49 C 05 01 00.03 +30 01 50.0 V G96
2021-11-28 08:07:16 C 05 00 59.68 +30 02 05.7 V G96
2021-11-28 08:14:40 C 05 00 59.33 +30 02 21.1 V G96
2021-11-28 10:26:50 C 05 00 53.20 +30 06 56.7 V I52
2021-11-28 10:36:09 C 05 00 52.72 +30 07 16.1 V I52
2021-11-29 05:37:19 C 05 00 09.96 +30 47 22.2 u H21
2021-11-29 05:49:24 C 05 00 09.41 +30 47 47.6 u H21
2021-11-29 06:01:29 C 05 00 08.85 +30 48 13.2 u H21
2021-11-30 00:12:21 C 04 59 23.97 +31 26 31.5 V L01
2021-11-30 00:14:36 C 04 59 23.84 +31 26 36.0 V L01
2021-11-30 00:17:58 C 04 59 23.67 +31 26 43.9 V L01
2021-11-30 00:20:46 C 04 59 23.50 +31 26 49.3 V L01
2021-11-30 00:24:09 C 04 59 23.35 +31 26 56.4 V L01
2021-11-30 00:58:53 C 04 59 21.79 +31 28 05.4 V 033
2021-11-30 01:00:28 C 04 59 21.73 +31 28 09.4 V 033
2021-11-30 01:02:02 C 04 59 21.65 +31 28 12.6 V 033
2021-12-01 00:24:27 C 04 58 22.40 +32 17 33.1 Z C95
2021-12-01 01:30:01 C 04 58 19.14 +32 19 50.0 Z C95
2021-12-03 10:48:00 C 04 55 41.41 +34 19 52.6 V I52
2021-12-03 10:49:58 C 04 55 41.29 +34 19 56.6 V I52
2021-12-03 10:52:17 C 04 55 41.16 +34 20 01.2 V I52
2021-12-08 07:43:03 C 04 49 48.32 +38 16 55.2 V I52
2021-12-08 07:50:20 C 04 49 47.83 +38 17 09.3 V I52
2021-12-08 07:52:12 C 04 49 47.73 +38 17 12.6 V I52
2021-12-08 07:56:31 C 04 49 47.47 +38 17 19.9 V I52
2021-12-12 06:12:24 C 04 44 47.10 +41 15 19.1 V I52
2021-12-12 06:14:20 C 04 44 46.98 +41 15 22.7 V I52
2021-12-12 06:16:17 C 04 44 46.78 +41 15 25.9 V I52
2021-12-12 06:19:21 C 04 44 46.64 +41 15 31.9 V I52
2022-01-01 21:40:16 C 04 27 21.74 +52 00 47.6 V 033
2022-01-01 21:45:25 C 04 27 21.69 +52 00 51.8 V 033
2022-01-01 21:50:36 C 04 27 21.61 +52 00 55.7 V 033
2022-01-08 06:10:57 C 04 28 50.37 +53 44 01.4 V V06
2022-01-08 06:13:44 C 04 28 50.47 +53 44 02.7 V V06
2022-01-08 06:16:31 C 04 28 50.49 +53 44 04.7 V V06
2022-01-08 06:19:18 C 04 28 50.53 +53 44 06.1 V V06