2021 CJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6672409000
Semi-major axis (a)1.8379207000 AU
Inclination (i)3.93889000°
Long. of Asc. Node (Ω)202.23825000°
Arg. of Perihelion (ω)197.06385000°
Mean Anomaly (M)351.02426000°
Mean Motion (n)0.3955614100°/day
Perihelion dist (q)0.61158480 AU
Aphelion dist (Q)3.06425660 AU
Orbital Period2.49166790 yr
Physical Parameters
H (abs. magnitude)22.14
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.570″
Uncertainty0
Orbit TypeApollo
MOID0.065647 AU
Observations Used53
Oppositions2
Arc Total2021-2026
First Observation Used
Last Observation Used2026-02-23
Observations (38)
Date Type RA Dec Mag Band Observatory
2021-02-08 02:32:33 C 04 08 41.77 -01 45 17.9 V G96
2021-02-08 02:40:41 C 04 08 47.09 -01 44 50.7 V G96
2021-02-08 02:48:49 C 04 08 52.42 -01 44 24.1 V G96
2021-02-08 02:57:00 C 04 08 57.80 -01 43 56.4 V G96
2021-02-08 03:34:15 C 04 09 22.22 -01 41 52.5 V I52
2021-02-08 03:36:40 C 04 09 23.79 -01 41 44.7 V I52
2021-02-08 03:39:05 C 04 09 25.36 -01 41 36.9 V I52
2021-02-08 05:46:46 C 04 10 49.13 -01 34 32.2 V G96
2021-02-08 05:47:21 C 04 10 49.52 -01 34 30.1 V G96
2021-02-08 05:47:58 C 04 10 49.90 -01 34 28.5 V G96
2021-02-09 01:37:43 C 04 23 42.72 -00 29 20.1 u 807
2021-02-09 01:44:23 C 04 23 46.90 -00 28 58.7 u 807
2021-02-09 01:51:04 C 04 23 51.06 -00 28 37.3 u 807
2021-02-09 02:02:39 C 04 24 00.13 -00 28 50.1 V I52
2021-02-09 02:06:54 C 04 24 02.75 -00 28 37.3 V I52
2021-02-09 02:09:01 C 04 24 04.04 -00 28 30.3 V I52
2021-02-09 20:58:44 C 04 35 40.88 +00 29 34.3 V 033
2021-02-09 21:00:30 C 04 35 41.91 +00 29 39.4 V 033
2021-02-10 02:31:47 C 04 39 01.63 +00 46 23.1 V I52
2021-02-10 02:35:24 C 04 39 03.74 +00 46 33.7 V I52
2021-02-10 02:39:02 C 04 39 05.87 +00 46 44.5 V I52
2021-02-10 02:42:40 C 04 39 07.98 +00 46 55.5 V I52
2021-02-11 01:24:32 C 04 52 11.95 +01 52 55.9 u 807
2021-02-11 01:32:19 C 04 52 16.19 +01 53 17.6 u 807
2021-02-11 01:40:05 C 04 52 20.45 +01 53 38.8 u 807
2021-02-11 02:23:58 C 04 52 46.21 +01 54 54.2 V I52
2021-02-11 02:25:46 C 04 52 47.15 +01 54 58.8 V I52
2021-02-11 02:29:23 C 04 52 49.14 +01 55 08.8 V I52
2021-02-12 03:30:31 C 05 06 14.93 +03 01 35.5 V I52
2021-02-12 03:33:12 C 05 06 16.33 +03 01 42.6 V I52
2021-02-12 03:35:52 C 05 06 17.69 +03 01 49.8 V I52
2021-02-12 03:38:29 C 05 06 19.00 +03 01 55.8 V I52
2021-02-20 02:34:02 C 06 21 37.32 +08 49 42.5 u 807
2021-02-20 02:43:02 C 06 21 39.89 +08 49 53.8 u 807
2021-02-20 02:51:38 C 06 21 42.34 +08 50 05.2 u 807
2021-03-07 02:45:55 C 07 32 38.36 +12 54 43.5 u 807
2021-03-07 02:58:08 C 07 32 39.96 +12 54 47.6 u 807
2021-03-07 03:09:50 C 07 32 41.48 +12 54 51.5 u 807