2021 JC4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4576884000
Semi-major axis (a)1.2469222000 AU
Inclination (i)2.61527000°
Long. of Asc. Node (Ω)220.72186000°
Arg. of Perihelion (ω)105.72938000°
Mean Anomaly (M)46.91716000°
Mean Motion (n)0.7078562400°/day
Perihelion dist (q)0.67622040 AU
Aphelion dist (Q)1.81762400 AU
Orbital Period1.39238400 yr
Physical Parameters
H (abs. magnitude)26.18
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.650″
Uncertainty7
Orbit TypeApollo
MOID0.009984 AU
Observations Used39
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-05-15
Observations (40)
Date Type RA Dec Mag Band Observatory
2021-05-10 06:51:18 C 14 29 29.73 -04 11 38.8 V G96
2021-05-10 06:58:42 C 14 29 26.29 -04 10 26.7 V G96
2021-05-10 07:06:07 C 14 29 22.74 -04 09 12.9 V G96
2021-05-10 07:13:33 C 14 29 19.22 -04 07 59.8 V G96
2021-05-10 07:40:39 C 14 29 05.58 -04 03 34.2 V H01
2021-05-10 07:45:08 C 14 29 03.44 -04 02 49.1 V H01
2021-05-10 08:01:49 C 14 28 55.48 -04 00 02.0 V H01
2021-05-10 08:12:21 C 14 28 50.45 -03 58 15.8 V H01
2021-05-10 09:30:17 C 14 28 13.73 -03 44 56.1 V I52
2021-05-10 09:32:22 C 14 28 12.74 -03 44 35.0 V I52
2021-05-10 09:34:27 C 14 28 11.71 -03 44 13.6 V I52
2021-05-10 09:36:32 C 14 28 10.74 -03 43 51.9 V I52
2021-05-11 00:53:45 C 14 20 41.64 -00 46 10.0 V J95
2021-05-11 00:58:19 C 14 20 38.85 -00 45 09.5 V J95
2021-05-11 01:05:13 C 14 20 34.67 -00 43 37.8 V J95
2021-05-11 03:34:25 C 14 19 15.02 -00 04 07.2 u 807
2021-05-11 03:37:48 C 14 19 12.82 -00 03 19.9 u 807
2021-05-11 03:41:09 C 14 19 10.64 -00 02 33.3 u 807
2021-05-11 05:02:39 C 14 18 21.23 +00 11 34.4 u H21
2021-05-11 05:08:30 C 14 18 17.33 +00 12 58.4 u H21
2021-05-11 05:14:22 C 14 18 13.44 +00 14 22.1 u H21
2021-05-11 05:19:21 C 14 18 15.01 +00 15 54.4 V H01
2021-05-11 05:19:21 C 14 18 10.13 +00 15 33.5 u H21
2021-05-11 05:25:43 C 14 18 10.74 +00 17 25.8 V H01
2021-05-11 05:45:05 C 14 17 57.69 +00 22 05.1 V H01
2021-05-11 05:50:20 C 14 17 54.14 +00 23 21.4 V H01
2021-05-11 09:07:52 C 14 15 37.94 +01 12 36.5 V I52
2021-05-11 09:08:41 C 14 15 37.37 +01 12 48.9 V I52
2021-05-11 09:09:30 C 14 15 36.80 +01 13 01.5 V I52
2021-05-12 04:50:56 C 14 00 16.38 +07 20 39.9 V I52
2021-05-12 04:52:22 C 14 00 14.90 +07 21 12.0 V I52
2021-05-12 04:53:48 C 14 00 13.37 +07 21 44.0 V I52
2021-05-12 04:55:14 C 14 00 11.87 +07 22 16.1 V I52
2021-05-14 20:37:26 C 11 09 34.88 +49 17 35.2 V 033
2021-05-14 20:37:45 C 11 09 32.82 +49 17 48.5 V 033
2021-05-14 20:38:04 C 11 09 30.82 +49 18 01.9 V 033
2021-05-14 20:38:24 C 11 09 28.73 +49 18 15.3 V 033
2021-05-14 20:38:43 C 11 09 26.71 +49 18 28.7 V 033
2021-05-14 23:26:45 C 10 51 16.02 +51 08 45.8 V 204
2021-05-15 00:02:10 C 10 47 19.43 +51 30 06.5 V 204