2021 WN4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5328066000
Semi-major axis (a)2.1689063000 AU
Inclination (i)8.20195000°
Long. of Asc. Node (Ω)75.20277000°
Arg. of Perihelion (ω)352.51734000°
Mean Anomaly (M)87.78025000°
Mean Motion (n)0.3085623200°/day
Perihelion dist (q)1.01329870 AU
Aphelion dist (Q)3.32451390 AU
Orbital Period3.19419320 yr
Physical Parameters
H (abs. magnitude)24.98
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.820″
Uncertainty6
Orbit TypeAmor
MOID0.028904 AU
Observations Used58
Oppositions1
Arc Total
First Observation Used
Last Observation Used2022-01-04
Observations (65)
Date Type RA Dec Mag Band Observatory
2021-11-29 06:54:17 C 04 10 49.08 -17 02 49.3 V 703
2021-11-29 07:01:51 C 04 10 54.58 -17 01 24.6 V 703
2021-11-29 07:09:25 C 04 11 00.31 -16 59 57.2 V 703
2021-11-29 07:16:59 C 04 11 05.95 -16 58 31.3 V 703
2021-11-29 09:17:14 C 04 12 36.57 -16 35 17.6 V I52
2021-11-29 09:17:35 C 04 12 36.84 -16 35 13.6 V I52
2021-11-29 09:17:56 C 04 12 37.11 -16 35 09.2 V I52
2021-11-29 09:18:18 C 04 12 37.38 -16 35 05.5 V I52
2021-11-29 21:43:45 C 04 23 07.53 -14 06 23.1 V 104
2021-11-29 21:54:35 C 04 23 16.09 -14 04 10.0 V 104
2021-11-29 21:56:40 C 04 23 17.77 -14 03 44.3 V 104
2021-11-29 22:29:19 C 04 23 42.88 -13 56 59.8 V L01
2021-11-29 22:31:33 C 04 23 44.66 -13 56 32.2 V L01
2021-11-29 22:33:48 C 04 23 46.39 -13 56 03.8 V L01
2021-11-29 22:36:02 C 04 23 48.16 -13 55 35.6 V L01
2021-11-29 22:38:17 C 04 23 49.93 -13 55 07.4 V L01
2021-11-29 22:59:07 C 04 24 09.48 -13 50 44.2 V I93
2021-11-29 23:04:19 C 04 24 13.59 -13 49 39.0 V I93
2021-11-29 23:09:30 C 04 24 17.69 -13 48 33.9 V I93
2021-11-29 23:58:02 C 04 24 54.80 -13 38 23.9 V 511
2021-11-30 00:04:19 C 04 24 59.88 -13 37 04.4 V 511
2021-11-30 00:07:55 C 04 25 02.18 -13 36 21.6 V 204
2021-11-30 00:10:54 C 04 25 05.22 -13 35 40.7 V 511
2021-11-30 00:18:39 C 04 25 10.72 -13 34 05.4 V 204
2021-11-30 00:47:13 C 04 25 46.62 -13 23 46.9 X Y00
2021-11-30 00:52:59 C 04 25 51.20 -13 22 33.2 X Y00
2021-11-30 00:58:39 C 04 25 55.67 -13 21 21.9 X Y00
2021-11-30 03:30:53 C 04 28 04.47 -12 52 44.5 X W34
2021-11-30 03:40:53 C 04 28 12.48 -12 50 36.9 X W34
2021-11-30 03:46:37 C 04 28 14.48 -12 44 58.3 u 807
2021-11-30 03:50:32 C 04 28 20.20 -12 48 33.3 X W34
2021-11-30 03:52:16 C 04 28 18.92 -12 43 46.3 u 807
2021-11-30 03:57:52 C 04 28 23.32 -12 42 33.7 u 807
2021-11-30 04:11:02 C 04 28 42.91 -12 43 49.8 V I52
2021-11-30 04:11:44 C 04 28 43.50 -12 43 40.5 V I52
2021-11-30 04:12:27 C 04 28 44.09 -12 43 31.7 V I52
2021-12-01 07:26:26 C 04 52 36.33 -06 29 47.4 V I52
2021-12-01 07:28:31 C 04 52 38.08 -06 29 17.1 V I52
2021-12-01 07:30:39 C 04 52 39.86 -06 28 46.4 V I52
2021-12-01 07:32:49 C 04 52 41.67 -06 28 15.2 V I52
2021-12-01 23:03:10 C 05 06 58.49 -02 39 48.8 q J69
2021-12-01 23:11:06 C 05 07 05.44 -02 37 49.0 q J69
2021-12-01 23:19:01 C 05 07 12.35 -02 35 50.8 q J69
2021-12-01 23:26:55 C 05 07 19.28 -02 33 50.7 q J69
2021-12-02 08:08:35 C 05 15 20.48 -00 20 45.1 V 703
2021-12-02 08:16:10 C 05 15 27.12 -00 18 49.0 V 703
2021-12-02 08:31:20 C 05 15 40.30 -00 14 57.1 V 703
2021-12-03 23:01:39 C 05 51 58.40 +09 30 52.3 X 595
2021-12-03 23:13:30 C 05 52 08.89 +09 33 48.6 X 595
2021-12-03 23:25:11 C 05 52 19.21 +09 36 42.5 X 595