2021 WC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3990061733 ± 2.68e-05
Semi-major axis (a)1.6828824436 AU ± 7.74e-05
Inclination (i)8.90997109° ± 4.54e-04
Long. of Asc. Node (Ω)69.85981806° ± 9.71e-05
Arg. of Perihelion (ω)346.27358160° ± 1.90e-04
Mean Anomaly (M)300.71498877° ± 4.55e-02
Mean Motion (n)0.4514728168°/day ± 3.11e-05
Perihelion dist (q)1.01140196 AU ± 6.48e-05
Aphelion dist (Q)2.35436293 AU ± 1.17e-04
Orbital Period2.18313539 yr ± 1.51e-04
Physical Parameters
H (abs. magnitude)24.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.301″
Uncertainty2
Orbit TypeApollo
MOID0.030031 AU
Observations Used76
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-20
Last Observation Used2022-01-07
Observations (76)
Date Type RA Dec Mag Band Observatory
2021-11-30 11:46:18 C 07 26 00.19 +21 54 25.7 V G96
2021-11-30 11:53:42 C 07 26 02.59 +21 55 34.6 V G96
2021-12-01 09:18:56 C 07 33 53.76 +25 06 22.6 V 703
2021-12-01 09:26:33 C 07 33 56.01 +25 07 27.5 V 703
2021-12-01 09:34:09 C 07 33 58.32 +25 08 32.1 V 703
2021-12-01 09:41:46 C 07 34 00.61 +25 09 37.5 V 703
2021-12-04 01:46:41 C 07 54 24.22 +32 52 05.3 V K88
2021-12-04 01:49:30 C 07 54 24.94 +32 52 22.5 V K88
2021-12-04 01:52:20 C 07 54 25.63 +32 52 40.1 V K88
2021-12-06 06:45:50 C 08 08 38.86 +37 37 03.8 V 703
2021-12-06 06:53:39 C 08 08 40.54 +37 37 43.2 V 703
2021-12-06 07:01:27 C 08 08 42.19 +37 38 19.9 V 703
2021-12-06 07:09:16 C 08 08 43.83 +37 39 00.2 V 703
2021-12-12 07:52:20 C 08 36 27.89 +45 49 51.8 V I52
2021-12-12 07:55:54 C 08 36 28.23 +45 50 01.3 V I52
2021-12-12 07:59:29 C 08 36 28.72 +45 50 10.6 V I52
2022-01-03 04:59:11 C 08 58 54.21 +54 32 49.0 V 033
2022-01-03 05:04:20 C 08 58 54.05 +54 32 49.4 V 033
2022-01-03 05:09:29 C 08 58 53.88 +54 32 50.0 V 033
2022-01-04 07:33:03 C 08 58 14.98 +54 38 06.8 u H21
2022-01-04 07:41:06 C 08 58 14.56 +54 38 08.2 u H21
2022-01-04 07:51:02 C 08 58 14.07 +54 38 10.1 u H21
2022-01-07 10:45:13 C 08 55 44.91 +54 45 06.3 V V06
2022-01-07 10:48:06 C 08 55 44.78 +54 45 06.5 V V06
2022-01-07 10:59:58 C 08 55 44.12 +54 45 05.8 V V06
2022-01-07 11:10:48 C 08 55 43.58 +54 45 05.3 V V06