2021 CO3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0340858800 ± 1.87e-06
Semi-major axis (a)1.0152901067 AU ± 3.42e-05
Inclination (i)12.43111293° ± 8.83e-03
Long. of Asc. Node (Ω)140.51078692° ± 2.60e-03
Arg. of Perihelion (ω)222.43342381° ± 1.89e-02
Mean Anomaly (M)21.11592320° ± 1.13e-01
Mean Motion (n)0.9634452607°/day ± 4.87e-05
Perihelion dist (q)0.98068305 AU ± 3.31e-05
Aphelion dist (Q)1.04989716 AU ± 3.55e-05
Orbital Period1.02302261 yr ± 5.18e-05
Physical Parameters
H (abs. magnitude)25.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.224″
Uncertainty3
Orbit TypeApollo
MOID0.025661 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-07
Last Observation Used2021-02-24
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-02-07 09:20:08 C 12 21 06.27 +00 17 35.7 V G96
2021-02-07 09:27:36 C 12 21 07.14 +00 18 27.2 V G96
2021-02-07 09:35:01 C 12 21 07.98 +00 19 18.1 V G96
2021-02-07 09:42:26 C 12 21 08.84 +00 20 08.7 V G96
2021-02-07 11:38:09 C 12 21 22.25 +00 33 23.7 V V06
2021-02-07 11:44:32 C 12 21 23.01 +00 34 07.4 V V06
2021-02-07 11:50:56 C 12 21 23.74 +00 34 51.6 V V06
2021-02-08 12:31:28 C 12 24 58.16 +03 27 24.6 V G96
2021-02-08 12:33:49 C 12 24 58.45 +03 27 41.3 V G96
2021-02-08 12:36:09 C 12 24 58.73 +03 27 57.9 V G96
2021-02-09 09:11:04 C 12 28 04.97 +05 55 42.6 V V06
2021-02-09 09:14:35 C 12 28 05.38 +05 56 08.2 V V06
2021-02-09 09:18:06 C 12 28 05.79 +05 56 33.6 V V06
2021-02-13 12:47:55 C 12 42 33.55 +18 16 53.7 o 291
2021-02-13 12:52:43 C 12 42 34.08 +18 17 29.3 o 291
2021-02-13 12:57:36 C 12 42 34.70 +18 18 05.2 o 291
2021-02-17 10:54:06 C 12 56 20.68 +29 39 13.0 V V06
2021-02-17 10:58:47 C 12 56 21.22 +29 39 45.4 V V06
2021-02-17 11:03:28 C 12 56 21.72 +29 40 18.0 V V06
2021-02-17 11:08:09 C 12 56 22.24 +29 40 49.3 V V06
2021-02-24 08:58:15 C 13 19 58.44 +46 08 36.6 V 695
2021-02-24 09:07:04 C 13 19 59.33 +46 09 20.5 V 695