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
2021-11-20 10:32:07 C 05 30 32.385 -28 11 10.91 U F52
2021-11-20 10:46:43 C 05 30 39.571 -28 08 30.15 U F52
2021-11-20 11:01:20 C 05 30 46.714 -28 05 49.56 U F52
2021-11-20 11:15:55 C 05 30 53.840 -28 03 08.34 U F52
2021-11-20 14:45:33 C 05 32 36.717 -27 23 32.53 V F51
2021-11-21 00:36:28 C 05 38 27.03 -25 27 09.9 X Y00
2021-11-21 00:41:00 C 05 38 29.45 -25 26 18.2 X Y00
2021-11-21 00:45:33 C 05 38 31.74 -25 25 25.9 X Y00
2021-11-21 22:06:06 B 05 50 09.05 -21 04 50.5 V L80
2021-11-21 22:08:10 B 05 50 10.08 -21 04 25.1 V L80
2021-11-21 22:10:16 B 05 50 11.10 -21 03 58.9 V L80
2021-11-21 22:12:18 B 05 50 12.13 -21 03 33.8 V L80
2021-11-22 00:45:30 C 05 51 29.57 -20 35 12.0 V J95
2021-11-22 01:09:11 C 05 51 41.36 -20 30 12.4 V J95
2021-11-22 01:29:28 C 05 51 51.43 -20 25 53.8 V J95
2021-11-22 01:48:33 C 05 52 00.94 -20 21 50.4 V J95
2021-11-22 07:23:18 C 05 55 02.80 -19 09 42.0 u H21
2021-11-22 07:26:06 C 05 55 04.16 -19 09 05.8 u H21
2021-11-22 07:28:53 C 05 55 05.49 -19 08 29.6 u H21
2021-11-22 07:32:57 C 05 55 07.49 -19 07 36.6 u H21
2021-11-22 12:43:39 C 05 57 52.398 -17 59 10.69 V F51
2021-11-22 12:44:50 C 05 57 52.927 -17 58 55.54 V F51
2021-11-22 23:50:41 C 06 03 53.85 -15 32 26.3 V L01
2021-11-22 23:52:11 C 06 03 54.60 -15 32 05.9 V L01
2021-11-22 23:53:40 C 06 03 55.30 -15 31 46.0 V L01
2021-11-22 23:58:08 C 06 03 57.45 -15 30 46.1 V L01
2021-11-22 23:59:38 C 06 03 58.16 -15 30 26.4 V L01
2021-11-24 05:48:44 C 06 19 31.40 -08 36 57.1 u 807
2021-11-24 05:54:20 C 06 19 33.94 -08 35 39.4 u 807
2021-11-24 05:59:53 C 06 19 36.46 -08 34 22.3 u 807
2021-11-27 02:32:37 C 06 52 36.18 +06 49 41.0 V 033
2021-11-27 02:37:01 C 06 52 37.98 +06 50 38.4 V 033
2021-11-27 02:37:26 C 06 52 38.12 +06 50 43.3 V 033
2021-11-27 02:37:51 C 06 52 38.31 +06 50 48.8 V 033
2021-11-27 02:39:18 C 06 52 38.91 +06 51 07.2 V 033
2021-11-27 07:24:00 C 06 54 48.60 +07 56 12.5 u 807
2021-11-27 07:29:40 C 06 54 50.78 +07 57 23.5 u 807
2021-11-27 07:35:23 C 06 54 53.03 +07 58 35.4 u 807
2021-11-29 11:55:35 C 07 16 51.31 +17 58 35.6 V G96
2021-11-29 12:02:28 C 07 16 53.68 +17 59 45.4 V G96
2021-11-29 12:10:22 C 07 16 56.44 +18 01 07.1 V G96
2021-11-29 12:17:14 C 07 16 58.85 +18 02 18.0 V G96
2021-11-30 02:33:55 C 07 22 49.21 +20 25 24.4 Z W33
2021-11-30 02:49:25 C 07 22 54.90 +20 27 59.7 Z W33
2021-11-30 03:04:49 C 07 23 00.67 +20 30 33.5 Z W33
2021-11-30 11:19:57 C 07 25 51.83 +21 50 23.0 V V00
2021-11-30 11:26:56 C 07 25 54.06 +21 51 27.9 V V00
2021-11-30 11:31:30 C 07 25 55.41 +21 52 08.5 V G96
2021-11-30 11:33:56 C 07 25 56.34 +21 52 33.2 V V00
2021-11-30 11:38:54 C 07 25 57.79 +21 53 17.1 V G96