IAA RAS IAA Minor Planet Database

2021 CO5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4531956316 ± 1.46e-05
Semi-major axis (a)1.9883724165 AU ± 6.06e-05
Inclination (i)4.50849860° ± 1.17e-04
Long. of Asc. Node (Ω)191.74703354° ± 2.67e-05
Arg. of Perihelion (ω)332.01882144° ± 6.95e-05
Mean Anomaly (M)244.92488269° ± 2.77e-02
Mean Motion (n)0.3515326608°/day ± 1.61e-05
Perihelion dist (q)1.08725072 AU ± 4.41e-05
Aphelion dist (Q)2.88949411 AU ± 9.27e-05
Orbital Period2.80379718 yr ± 1.28e-04
Physical Parameters
H (abs. magnitude)24.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.240″
Uncertainty2
Orbit TypeAmor
MOID0.100590 AU
Observations Used71
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-09
Last Observation Used2021-04-10
Observations (74)
Date Type RA Dec Mag Band Observatory
2021-02-09 05:18:57 C 08 30 38.44 -10 37 48.4 – V G96
2021-02-09 05:28:29 C 08 30 39.28 -10 37 55.1 – V G96
2021-02-09 05:38:04 C 08 30 40.11 -10 38 02.4 – V G96
2021-02-09 05:47:36 C 08 30 40.94 -10 38 09.2 – V G96
2021-02-09 08:02:01 C 08 30 52.41 -10 39 46.8 – V V06
2021-02-09 08:06:34 C 08 30 52.80 -10 39 50.0 – V V06
2021-02-09 08:11:09 C 08 30 53.20 -10 39 53.2 – V V06
2021-02-09 08:15:43 C 08 30 53.59 -10 39 56.4 – V V06
2021-02-09 21:06:16 C 08 32 16.84 -10 49 07.5 – V J04
2021-02-09 21:23:41 C 08 32 18.43 -10 49 20.6 – V J04
2021-02-09 21:41:04 C 08 32 20.06 -10 49 33.8 – V J04
2021-02-10 03:21:01 C 08 32 53.91 -10 52 40.5 – V 807
2021-02-10 03:26:58 C 08 32 54.44 -10 52 44.9 – V 807
2021-02-10 03:32:55 C 08 32 54.97 -10 52 49.2 – V 807
2021-02-11 02:37:08 C 08 35 22.66 -11 10 05.6 – V J04
2021-02-11 03:02:29 C 08 35 25.16 -11 10 22.5 – V J04
2021-02-11 06:46:58 C 08 35 52.52 -11 13 05.6 – V I52
2021-02-11 06:53:00 C 08 35 53.20 -11 13 09.7 – V I52
2021-02-11 06:59:03 C 08 35 53.76 -11 13 13.9 – V I52
2021-02-12 12:34:38 C 08 39 20.30 -11 32 11.6 – V 474
2021-02-12 12:39:42 C 08 39 20.85 -11 32 14.9 – V 474
2021-02-12 12:44:46 C 08 39 21.39 -11 32 18.0 – V 474
2021-02-12 12:49:52 C 08 39 21.93 -11 32 21.5 – V 474
2021-02-16 12:57:52 C 08 52 16.61 -12 33 07.1 – V 474
2021-02-16 13:02:56 C 08 52 17.32 -12 33 09.5 – V 474
2021-02-16 13:07:59 C 08 52 17.98 -12 33 12.6 – V 474
2021-02-16 13:13:03 C 08 52 18.70 -12 33 15.7 – V 474
2021-02-17 04:14:13 C 08 54 35.93 -12 42 13.1 – u 807
2021-02-17 04:20:04 C 08 54 36.74 -12 42 16.2 – u 807
2021-02-17 04:25:59 C 08 54 37.50 -12 42 19.6 – u 807
2021-02-20 10:29:31 C 09 07 40.05 -13 22 59.3 – V 474
2021-02-20 10:32:55 C 09 07 40.59 -13 23 01.3 – V 474
2021-02-20 10:36:19 C 09 07 41.20 -13 23 02.8 – V 474
2021-02-21 02:40:11 C 09 10 37.51 -13 30 45.4 – u 807
2021-02-21 02:46:07 C 09 10 38.49 -13 30 48.1 – u 807
2021-02-21 02:52:04 C 09 10 39.49 -13 30 51.2 – u 807
2021-02-25 03:57:28 C 09 30 17.77 -14 07 09.5 – V 807
2021-02-25 04:04:56 C 09 30 19.23 -14 07 12.0 – V 807
2021-02-25 04:12:12 C 09 30 20.68 -14 07 14.0 – V 807
2021-02-25 04:38:45 C 09 30 29.11 -14 08 39.3 – V I52
2021-02-25 04:41:46 C 09 30 29.72 -14 08 39.5 – V I52
2021-02-25 04:44:47 C 09 30 30.35 -14 08 41.6 – V I52
2021-03-03 03:15:37 C 10 05 04.34 -14 26 17.4 – u 807
2021-03-03 03:18:25 C 10 05 05.00 -14 26 17.0 – u 807
2021-03-03 03:21:33 C 10 05 05.78 -14 26 16.9 – u 807
2021-03-03 05:59:31 C 10 05 47.48 -14 27 36.7 – V I52
2021-03-03 06:03:04 C 10 05 48.29 -14 27 36.4 – V I52
2021-03-03 06:04:10 C 10 05 48.58 -14 27 36.3 – V I52
2021-03-08 03:23:43 C 10 38 15.65 -14 01 51.5 – u 807
2021-03-08 03:28:07 C 10 38 16.80 -14 01 49.9 – u 807