2021 MC1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7917882135 ± 4.52e-07
Semi-major axis (a)2.1116193625 AU ± 6.27e-08
Inclination (i)11.72842492° ± 2.11e-05
Long. of Asc. Node (Ω)279.16777029° ± 3.73e-05
Arg. of Perihelion (ω)137.37992464° ± 9.91e-05
Mean Anomaly (M)132.42896164° ± 1.69e-05
Mean Motion (n)0.3212098264°/day ± 1.43e-08
Perihelion dist (q)0.43966404 AU ± 9.54e-07
Aphelion dist (Q)3.78357469 AU ± 9.61e-07
Orbital Period3.06848111 yr ± 1.37e-07
Physical Parameters
H (abs. magnitude)20.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.263″
Uncertainty0
Orbit TypeApollo
MOID0.105288 AU
Observations Used81
Oppositions2
Arc Total2021-2024
First Observation Used2021-06-11
Last Observation Used2024-07-16
Observations (87)
Date Type RA Dec Mag Band Observatory
2021-07-18 12:03:15 C 23 03 23.76 +24 25 05.4 V T08
2021-07-18 12:12:51 C 23 03 27.12 +24 26 20.5 V T08
2021-07-18 12:16:56 C 23 03 28.55 +24 26 52.6 V T08
2021-07-19 01:42:49 C 23 08 33.96 +26 14 12.3 V K87
2021-07-19 01:50:32 C 23 08 36.90 +26 15 15.4 V K87
2021-07-19 01:58:15 C 23 08 39.88 +26 16 18.9 V K87
2021-07-20 13:58:56 C 23 24 43.93 +31 31 17.3 V T05
2021-07-20 14:40:18 C 23 25 04.11 +31 37 39.1 V T05
2021-07-20 14:52:42 C 23 25 10.252 +31 39 34.44 V F51
2021-07-20 14:58:59 C 23 25 13.34 +31 40 33.1 V T05
2021-07-20 15:01:58 C 23 25 14.76 +31 41 00.1 V T05
2021-07-20 21:50:31 C 23 28 49.98 +32 44 08.3 V B67
2021-07-20 21:55:54 C 23 28 52.92 +32 45 00.5 V B67
2021-07-20 22:01:18 C 23 28 55.76 +32 45 51.1 V B67
2021-07-21 00:50:23 C 23 30 25.32 +33 12 43.4 V K87
2021-07-21 00:56:18 C 23 30 28.45 +33 13 40.0 V K87
2021-07-21 01:02:11 C 23 30 31.61 +33 14 36.1 V K87
2024-06-02 13:50:06 C 20 07 44.198 -20 53 25.23 V F52
2024-06-02 14:05:16 C 20 07 44.034 -20 53 22.52 V F52
2024-06-07 12:08:58 C 20 06 17.241 -20 34 05.86 V F51
2024-06-11 12:43:58 C 20 04 09.717 -20 17 45.79 V F52
2024-06-11 13:00:05 C 20 04 09.249 -20 17 42.74 V F52
2024-06-11 13:16:12 C 20 04 08.783 -20 17 39.77 V F52
2024-06-15 12:52:31 C 20 01 05.296 -20 00 39.68 V F51
2024-06-15 12:58:05 C 20 01 05.069 -20 00 38.84 V F51
2024-06-15 13:03:39 C 20 01 04.852 -20 00 37.69 V F51
2024-06-15 13:09:13 C 20 01 04.623 -20 00 36.70 V F51
2024-07-14 23:24:06 C 18 53 34.610 -16 17 17.91 V Z84
2024-07-14 23:27:31 C 18 53 33.994 -16 17 16.19 V Z84
2024-07-14 23:30:53 C 18 53 33.413 -16 17 14.12 V Z84
2024-07-14 23:34:16 C 18 53 32.824 -16 17 12.00 V Z84
2024-07-15 23:19:59 C 18 49 24.877 -16 02 53.21 V Z84
2024-07-15 23:30:11 C 18 49 23.021 -16 02 46.80 V Z84
2024-07-15 23:40:28 C 18 49 21.160 -16 02 40.36 V Z84
2024-07-15 23:50:41 C 18 49 19.301 -16 02 34.03 V Z84
2024-07-16 22:06:39 B 18 45 19.23 -15 48 27.4 V 204
2024-07-16 22:42:40 B 18 45 12.52 -15 48 04.3 V 204