2021 WN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6419850032 ± 1.45e-04
Semi-major axis (a)1.3864492409 AU ± 4.10e-04
Inclination (i)8.98737913° ± 3.41e-03
Long. of Asc. Node (Ω)86.35718831° ± 6.11e-03
Arg. of Perihelion (ω)215.10010022° ± 7.34e-03
Mean Anomaly (M)198.43124736° ± 4.11e-01
Mean Motion (n)0.6037488475°/day ± 2.68e-04
Perihelion dist (q)0.49636962 AU ± 2.49e-04
Aphelion dist (Q)2.27652886 AU ± 7.02e-04
Orbital Period1.63251042 yr ± 7.24e-04
Physical Parameters
H (abs. magnitude)21.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.468″
Uncertainty3
Orbit TypeApollo
MOID0.096555 AU
Observations Used79
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-23
Last Observation Used2021-12-12
Observations (80)
Date Type RA Dec Mag Band Observatory
2021-11-23 04:22:41 C 02 39 25.64 -16 19 54.0 V W94
2021-11-23 04:30:56 C 02 39 25.16 -16 19 02.0 V W94
2021-11-23 04:39:02 C 02 39 24.77 -16 18 10.0 V W94
2021-11-23 05:54:07 C 02 39 21.04 -16 10 15.2 V W95
2021-11-23 06:01:37 C 02 39 20.62 -16 09 29.0 V W95
2021-11-23 06:09:06 C 02 39 20.22 -16 08 42.6 V W95
2021-11-23 06:30:11 C 02 39 19.34 -16 06 30.0 V W95
2021-11-23 06:37:43 C 02 39 18.96 -16 05 42.8 V W95
2021-11-23 06:45:14 C 02 39 18.56 -16 04 54.4 V W95
2021-11-23 19:41:47 C 02 38 54.81 -14 47 25.0 V L01
2021-11-23 19:43:20 C 02 38 54.75 -14 47 16.7 V L01
2021-11-23 19:46:45 C 02 38 54.64 -14 46 57.3 V L01
2021-11-23 19:49:34 C 02 38 54.51 -14 46 39.1 V L01
2021-11-23 19:53:39 C 02 38 54.39 -14 46 16.7 V L01
2021-11-23 19:59:36 C 02 38 54.07 -14 45 41.8 V 595
2021-11-23 20:30:47 C 02 38 52.81 -14 42 39.8 V K51
2021-11-23 20:34:06 C 02 38 52.66 -14 42 20.4 V K51
2021-11-23 20:37:09 C 02 38 52.52 -14 42 02.8 V K51
2021-11-23 20:47:49 C 02 38 51.93 -14 40 59.9 V 595
2021-11-23 20:49:15 C 02 38 52.06 -14 40 50.0 V 104
2021-11-23 21:03:09 C 02 38 51.46 -14 39 28.9 V 104
2021-11-23 21:19:07 C 02 38 50.67 -14 37 56.1 V 104
2021-11-24 01:02:34 C 02 38 44.66 -14 15 31.0 u 807
2021-11-24 01:08:05 C 02 38 44.45 -14 14 59.3 u 807
2021-11-24 01:13:38 C 02 38 44.19 -14 14 27.2 u 807
2021-11-24 02:33:48 C 02 38 41.36 -14 07 42.6 u H21
2021-11-24 02:36:35 C 02 38 41.26 -14 07 27.2 u H21
2021-11-24 02:39:21 C 02 38 41.15 -14 07 11.5 u H21
2021-11-24 02:42:36 C 02 38 41.01 -14 06 52.8 u H21
2021-11-24 06:30:00 C 02 38 30.37 -13 44 43.1 V W95
2021-11-24 06:37:32 C 02 38 30.12 -13 44 01.0 V W95
2021-11-24 06:45:03 C 02 38 29.84 -13 43 18.6 V W95
2021-11-24 08:18:02 C 02 38 29.954 -13 35 21.03 U F52
2021-11-24 08:34:44 C 02 38 29.214 -13 33 48.38 U F52
2021-11-24 08:51:27 C 02 38 28.488 -13 32 16.12 U F52
2021-11-25 01:18:49 C 02 38 00.58 -12 04 12.2 X Y00
2021-11-25 01:28:12 C 02 38 00.13 -12 03 24.6 X Y00
2021-11-25 01:37:17 C 02 37 59.84 -12 02 37.9 X Y00
2021-11-25 02:19:58 C 02 37 59.37 -11 58 52.6 u 807
2021-11-25 02:25:40 C 02 37 59.13 -11 58 23.2 u 807
2021-11-25 02:31:24 C 02 37 58.90 -11 57 54.1 u 807
2021-11-25 03:56:11 C 02 37 55.59 -11 50 49.2 V W95
2021-11-25 04:03:41 C 02 37 55.31 -11 50 10.5 V W95
2021-11-25 04:11:10 C 02 37 55.05 -11 49 32.7 V W95
2021-11-25 11:02:12 C 02 37 45.26 -11 15 14.5 q E94
2021-11-25 11:27:35 C 02 37 44.43 -11 13 09.4 q E94
2021-11-25 11:52:55 C 02 37 43.61 -11 11 05.7 q E94
2021-11-26 04:12:45 C 02 37 22.92 -09 54 57.2 X 858
2021-11-26 04:18:31 C 02 37 22.75 -09 54 30.7 X 858
2021-11-26 04:34:52 C 02 37 22.23 -09 53 17.0 X 858