2021 CO

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3631323000
Semi-major axis (a)1.1258644000 AU
Inclination (i)4.75679000°
Long. of Asc. Node (Ω)321.63926000°
Arg. of Perihelion (ω)272.78775000°
Mean Anomaly (M)307.81926000°
Mean Motion (n)0.8250398700°/day
Perihelion dist (q)0.71702670 AU
Aphelion dist (Q)1.53470210 AU
Orbital Period1.19461820 yr
Physical Parameters
H (abs. magnitude)25.18
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.590″
Uncertainty6
Orbit TypeApollo
MOID0.001696 AU
Observations Used99
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-11
Observations (102)
Date Type RA Dec Mag Band Observatory
2021-02-05 06:35:48 C 09 57 41.93 +24 01 37.4 V 703
2021-02-05 06:43:27 C 09 57 40.86 +24 01 37.1 V 703
2021-02-05 06:51:04 C 09 57 39.83 +24 01 35.0 V 703
2021-02-05 06:58:42 C 09 57 38.69 +24 01 32.7 V 703
2021-02-05 07:57:15 C 09 57 30.47 +24 01 15.9 V G96
2021-02-05 08:05:16 C 09 57 29.31 +24 01 13.3 V G96
2021-02-05 08:13:17 C 09 57 28.16 +24 01 10.4 V G96
2021-02-05 08:21:18 C 09 57 26.99 +24 01 07.5 V G96
2021-02-05 12:02:23 C 09 56 56.11 +23 59 12.5 V I52
2021-02-05 12:04:42 C 09 56 55.81 +23 59 11.0 V I52
2021-02-05 12:07:00 C 09 56 55.53 +23 59 09.6 V I52
2021-02-05 20:13:35 C 09 56 28.18 +23 54 35.3 V 970
2021-02-05 20:20:12 C 09 56 27.38 +23 54 33.8 V 970
2021-02-05 22:25:11 C 09 56 08.42 +23 59 08.2 V K93
2021-02-05 22:25:58 C 09 56 08.29 +23 59 07.8 V K93
2021-02-05 22:26:44 C 09 56 08.16 +23 59 07.9 V K93
2021-02-05 22:27:30 C 09 56 08.03 +23 59 07.5 V K93
2021-02-05 22:28:16 C 09 56 07.90 +23 59 07.1 V K93
2021-02-05 23:41:18 C 09 55 57.07 +23 54 29.6 V L34
2021-02-05 23:51:10 C 09 55 55.37 +23 54 24.3 V L34
2021-02-06 00:19:44 C 09 55 50.51 +23 54 11.3 V L34
2021-02-06 00:46:46 C 09 55 45.89 +23 53 56.5 V L34
2021-02-06 00:52:53 C 09 55 48.42 +23 53 03.7 V J95
2021-02-06 00:55:54 C 09 55 47.94 +23 53 01.9 V J95
2021-02-06 00:58:53 C 09 55 47.45 +23 53 00.8 V J95
2021-02-06 01:01:55 C 09 55 46.99 +23 52 59.2 V J95
2021-02-06 06:04:19 C 09 55 13.92 +23 51 13.6 u H21
2021-02-06 06:06:17 C 09 55 13.57 +23 51 12.7 u H21
2021-02-06 06:08:20 C 09 55 13.19 +23 51 11.8 u H21
2021-02-06 06:15:13 C 09 55 19.60 +23 50 56.5 q G58
2021-02-06 06:25:00 C 09 55 17.93 +23 50 53.6 q G58
2021-02-06 06:33:52 C 09 55 16.42 +23 50 50.5 q G58
2021-02-06 07:48:51 C 09 55 00.30 +23 50 48.6 V I52
2021-02-06 07:52:08 C 09 54 59.66 +23 50 47.0 V I52
2021-02-06 07:55:29 C 09 54 59.02 +23 50 45.5 V I52
2021-02-06 08:38:58 C 09 55 03.055 +23 50 52.40 U F52
2021-02-06 08:55:30 C 09 54 59.977 +23 50 47.62 U F52
2021-02-06 09:12:03 C 09 54 56.830 +23 50 42.40 U F52
2021-02-06 09:28:33 C 09 54 53.627 +23 50 36.72 U F52
2021-02-06 11:36:19 C 09 54 27.50 +23 49 35.7 V T05
2021-02-06 11:54:58 C 09 54 23.59 +23 49 23.3 V T05
2021-02-06 12:02:38 C 09 54 21.95 +23 49 18.8 V T05
2021-02-06 12:08:40 C 09 54 20.67 +23 49 15.2 V T05
2021-02-08 20:52:09 C 09 40 33.74 +22 42 05.8 V B49
2021-02-08 20:56:50 C 09 40 31.25 +22 41 57.7 V B49
2021-02-08 21:01:49 C 09 40 28.61 +22 41 48.7 V B49
2021-02-09 04:52:08 C 09 36 26.49 +22 23 17.1 V I52
2021-02-09 04:52:19 C 09 36 26.36 +22 23 16.5 V I52
2021-02-09 04:52:30 C 09 36 26.23 +22 23 16.2 V I52
2021-02-09 04:52:41 C 09 36 26.10 +22 23 15.7 V I52