2021 CH

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4171354000
Semi-major axis (a)1.6607122000 AU
Inclination (i)4.97784000°
Long. of Asc. Node (Ω)318.42441000°
Arg. of Perihelion (ω)212.46305000°
Mean Anomaly (M)72.31484000°
Mean Motion (n)0.4605348500°/day
Perihelion dist (q)0.96797040 AU
Aphelion dist (Q)2.35345400 AU
Orbital Period2.14013690 yr
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.230″
Uncertainty6
Orbit TypeApollo
MOID0.013544 AU
Observations Used32
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-10
Observations (32)
Date Type RA Dec Mag Band Observatory
2021-02-01 06:07:30 C 08 46 30.52 +30 06 27.2 V G96
2021-02-01 06:17:09 C 08 46 32.69 +30 05 54.2 V G96
2021-02-05 06:51:13 C 09 22 13.54 +21 19 09.0 V G96
2021-02-05 06:59:17 C 09 22 17.08 +21 18 02.7 V G96
2021-02-05 07:07:21 C 09 22 20.63 +21 16 56.6 V G96
2021-02-05 07:15:25 C 09 22 24.12 +21 15 50.1 V G96
2021-02-05 10:14:45 C 09 23 44.11 +20 50 28.6 V I52
2021-02-05 10:17:40 C 09 23 45.45 +20 50 02.9 V I52
2021-02-05 10:20:34 C 09 23 46.80 +20 49 37.2 V I52
2021-02-06 01:14:41 C 09 32 00.82 +18 31 27.9 V J95
2021-02-06 01:29:33 C 09 32 08.60 +18 28 59.3 V J95
2021-02-06 01:36:31 C 09 32 12.21 +18 27 49.8 V J95
2021-02-06 06:04:47 C 09 35 00.16 +17 43 41.6 V I52
2021-02-06 06:06:06 C 09 35 00.85 +17 43 27.8 V I52
2021-02-06 06:07:25 C 09 35 01.56 +17 43 14.4 V I52
2021-02-06 06:15:08 C 09 34 59.15 +17 41 28.6 u H21
2021-02-06 06:19:20 C 09 35 01.38 +17 40 45.0 u H21
2021-02-06 06:20:18 C 09 35 01.91 +17 40 34.8 u H21
2021-02-06 06:28:14 C 09 35 00.98 +17 44 22.0 u 807
2021-02-06 06:31:23 C 09 35 02.62 +17 43 49.0 u 807
2021-02-06 06:34:32 C 09 35 04.30 +17 43 15.5 u 807
2021-02-07 04:45:10 C 09 49 49.43 +13 18 25.5 V I52
2021-02-07 04:45:53 C 09 49 49.85 +13 18 16.4 V I52
2021-02-07 04:46:35 C 09 49 50.35 +13 18 07.3 V I52
2021-02-07 08:52:25 C 09 52 44.511 +12 24 35.23 U F51
2021-02-07 09:09:08 C 09 52 55.463 +12 20 49.59 U F51
2021-02-07 09:25:54 C 09 53 06.431 +12 17 01.81 U F51
2021-02-07 09:42:45 C 09 53 17.424 +12 13 12.19 U F51
2021-02-10 02:18:47 C 10 54 39.98 -07 58 05.5 V 033
2021-02-10 02:19:26 C 10 54 40.74 -07 58 20.9 V 033
2021-02-10 02:20:06 C 10 54 41.49 -07 58 36.1 V 033
2021-02-10 02:20:46 C 10 54 42.24 -07 58 51.8 V 033