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
2021-02-09 06:51:59 C 09 34 58.57 +22 18 00.1 V 703
2021-02-09 06:59:35 C 09 34 52.65 +22 17 37.5 V 703
2021-02-09 07:07:12 C 09 34 46.73 +22 17 15.2 V 703
2021-02-09 07:14:48 C 09 34 40.79 +22 16 51.6 V 703
2021-02-09 17:58:22 C 09 26 42.75 +21 35 10.1 V M46
2021-02-09 18:08:28 C 09 26 31.29 +21 34 25.1 V M46
2021-02-09 18:35:21 C 09 26 09.86 +21 26 03.6 V 033
2021-02-09 18:35:52 C 09 26 09.34 +21 26 01.3 V 033
2021-02-09 18:36:22 C 09 26 08.85 +21 25 59.1 V 033
2021-02-10 15:14:09 C 08 50 42.64 +18 08 25.7 V O85
2021-02-10 15:15:18 C 08 50 38.89 +18 08 04.9 V O85
2021-02-10 15:17:47 C 08 50 30.75 +18 07 19.8 V O85
2021-02-10 15:18:56 C 08 50 26.98 +18 06 58.8 V O85
2021-02-10 15:22:33 C 08 50 15.00 +18 05 52.1 V O85
2021-02-10 15:23:42 C 08 50 11.23 +18 05 31.1 V O85
2021-02-10 15:36:52 C 08 49 27.27 +18 01 25.4 V O85
2021-02-10 19:26:12 C 08 36 46.29 +16 31 56.4 V L34
2021-02-10 19:29:48 C 08 36 30.81 +16 30 22.2 V L34
2021-02-10 19:33:12 C 08 36 16.09 +16 28 53.8 V L34
2021-02-10 20:11:32 C 08 33 25.40 +16 08 12.6 V 204
2021-02-10 20:12:20 C 08 33 21.78 +16 07 50.3 V 204
2021-02-10 20:13:08 C 08 33 18.14 +16 07 27.7 V 204
2021-02-10 20:13:55 C 08 33 14.51 +16 07 05.0 V 204
2021-02-10 20:14:43 C 08 33 10.89 +16 06 42.3 V 204
2021-02-10 21:59:06 C 08 24 42.72 +15 09 31.6 V Z80
2021-02-10 22:01:36 C 08 24 29.40 +15 08 05.1 V Z80
2021-02-10 22:04:04 C 08 24 16.26 +15 06 39.1 V Z80
2021-02-10 22:06:37 C 08 24 02.65 +15 05 10.2 V Z80
2021-02-10 23:58:54 C 08 13 05.64 +13 51 37.3 V Z80
2021-02-11 00:00:55 C 08 12 52.92 +13 50 09.3 V Z80
2021-02-11 00:02:54 C 08 12 40.15 +13 48 41.5 V Z80
2021-02-11 00:04:19 C 08 12 32.39 +13 47 42.4 V J95
2021-02-11 00:04:54 C 08 12 27.37 +13 47 12.8 V Z80
2021-02-11 00:05:03 C 08 12 27.81 +13 47 10.3 V J95
2021-02-11 00:05:45 C 08 12 23.23 +13 46 39.0 V J95
2021-02-11 00:06:34 C 08 12 18.08 +13 46 03.2 V J95
2021-02-11 02:44:11 C 07 53 21.38 +11 28 55.5 V J95
2021-02-11 02:44:53 C 07 53 15.66 +11 28 12.7 V J95
2021-02-11 02:45:37 C 07 53 09.80 +11 27 28.4 V J95
2021-02-11 02:46:20 C 07 53 03.97 +11 26 44.2 V J95
2021-02-11 09:47:23 C 06 34 37.21 +00 26 07.2 q D95
2021-02-11 09:53:35 C 06 32 50.54 +00 11 29.4 q D95
2021-02-11 09:56:30 C 06 32 00.15 +00 04 34.7 q D95
2021-02-11 09:57:29 C 06 31 42.83 +00 02 12.3 q D95
2021-02-11 12:49:45 C 05 35 38.60 -07 40 55.7 V O85
2021-02-11 12:50:34 C 05 35 19.68 -07 43 23.6 V O85
2021-02-11 13:01:53 C 05 31 00.55 -08 17 00.6 V O85
2021-02-11 13:05:33 C 05 29 35.79 -08 27 56.6 V O85
2021-02-11 13:06:23 C 05 29 16.60 -08 30 25.0 V O85
2021-02-11 13:08:24 C 05 28 29.92 -08 36 25.7 V O85