2021 MC2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7700704680 ± 9.39e-05
Semi-major axis (a)1.8964185357 AU ± 1.62e-03
Inclination (i)58.18457312° ± 6.95e-02
Long. of Asc. Node (Ω)258.14868683° ± 1.74e-02
Arg. of Perihelion (ω)154.99909684° ± 2.49e-02
Mean Anomaly (M)203.17881827° ± 7.35e-01
Mean Motion (n)0.3774079019°/day ± 4.85e-04
Perihelion dist (q)0.43604263 AU ± 4.14e-04
Aphelion dist (Q)3.35679445 AU ± 2.88e-03
Orbital Period2.61156769 yr ± 3.36e-03
Physical Parameters
H (abs. magnitude)20.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.112″
Uncertainty3
Orbit TypeApollo
MOID0.521282 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-06-28
Last Observation Used2021-07-09
Observations (24)
Date Type RA Dec Mag Band Observatory
2021-06-28 07:12:53 C 17 06 09.319 +06 16 34.63 U F51
2021-06-28 07:26:23 C 17 06 07.427 +06 16 51.87 U F51
2021-06-28 07:39:54 C 17 06 05.534 +06 17 09.03 U F51
2021-06-28 07:53:22 C 17 06 03.641 +06 17 26.33 U F51
2021-06-28 11:40:21 C 17 05 31.721 +06 22 15.23 V F51
2021-06-28 11:41:17 C 17 05 31.586 +06 22 15.99 V F51
2021-06-29 03:55:34 C 17 03 17.46 +06 42 47.9 u H21
2021-06-29 04:05:24 C 17 03 16.06 +06 43 00.1 u H21
2021-06-29 07:31:00 C 17 02 47.789 +06 47 22.19 V F51
2021-06-29 07:49:03 C 17 02 45.247 +06 47 44.91 V F51
2021-06-29 08:07:11 C 17 02 42.689 +06 48 07.85 V F51
2021-06-29 08:26:13 C 17 02 40.009 +06 48 31.79 V F51
2021-07-03 11:12:05 C 16 49 00.398 +08 49 26.04 V 568
2021-07-03 11:13:29 C 16 49 00.202 +08 49 27.70 V 568
2021-07-03 11:14:54 C 16 49 00.003 +08 49 29.34 V 568
2021-07-08 04:03:54 C 16 33 40.71 +10 57 04.6 u H21
2021-07-08 04:20:48 C 16 33 38.44 +10 57 23.2 u H21
2021-07-08 04:39:16 C 16 33 35.94 +10 57 42.8 u H21
2021-07-09 03:43:30 C 16 30 32.17 +11 22 11.5 u H21
2021-07-09 03:55:51 C 16 30 30.51 +11 22 24.1 u H21
2021-07-09 04:10:39 C 16 30 28.51 +11 22 39.5 u H21
2021-07-09 08:28:04 C 16 29 54.543 +11 27 12.01 U F51
2021-07-09 09:05:16 C 16 29 49.550 +11 27 50.55 U F51
2021-07-09 09:23:56 C 16 29 47.035 +11 28 09.90 U F51