2021 CG4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3646746965 ± 3.81e-05
Semi-major axis (a)1.5723884402 AU ± 9.60e-05
Inclination (i)13.71709256° ± 1.11e-03
Long. of Asc. Node (Ω)322.44255759° ± 1.45e-04
Arg. of Perihelion (ω)188.53384108° ± 4.04e-04
Mean Anomaly (M)147.37638382° ± 8.31e-02
Mean Motion (n)0.4998877712°/day ± 4.58e-05
Perihelion dist (q)0.99897816 AU ± 8.55e-05
Aphelion dist (Q)2.14579872 AU ± 1.44e-04
Orbital Period1.97169513 yr ± 1.81e-04
Physical Parameters
H (abs. magnitude)25.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.228″
Uncertainty2
Orbit TypeApollo
MOID0.014552 AU
Observations Used58
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-08
Last Observation Used2021-02-20
Observations (59)
Date Type RA Dec Mag Band Observatory
2021-02-08 06:09:50 C 07 43 49.76 +59 13 35.8 V 703
2021-02-08 06:17:50 C 07 43 51.26 +59 11 34.6 V 703
2021-02-09 09:41:41 C 07 53 41.40 +50 44 57.4 V T08
2021-02-09 09:46:20 C 07 53 42.41 +50 43 11.0 V T08
2021-02-09 09:56:57 C 07 53 44.33 +50 39 09.1 V T08
2021-02-09 10:11:34 C 07 53 47.29 +50 33 30.8 V T08
2021-02-09 17:39:07 C 07 57 03.13 +47 28 26.0 V 033
2021-02-09 17:39:46 C 07 57 03.35 +47 28 09.5 V 033
2021-02-09 17:40:26 C 07 57 03.56 +47 27 52.7 V 033
2021-02-09 17:41:15 C 07 57 03.80 +47 27 32.5 V 033
2021-02-09 21:57:18 C 07 58 10.74 +45 36 37.6 V 033
2021-02-09 21:57:54 C 07 58 10.88 +45 36 22.0 V 033
2021-02-09 21:58:28 C 07 58 11.04 +45 36 05.9 V 033
2021-02-10 00:08:27 C 07 59 27.51 +44 35 56.0 V W34
2021-02-10 00:19:11 C 07 59 30.50 +44 31 03.3 V W34
2021-02-10 00:29:55 C 07 59 33.38 +44 26 10.1 V W34
2021-02-10 01:30:11 C 07 59 48.65 +43 58 19.4 V W33
2021-02-10 01:34:02 C 07 59 49.58 +43 56 30.2 V W33
2021-02-10 01:37:57 C 07 59 50.53 +43 54 41.1 V W33
2021-02-10 21:37:27 C 08 06 34.82 +32 44 07.1 V 204
2021-02-10 21:42:40 C 08 06 35.98 +32 40 47.2 V 204
2021-02-10 21:48:15 C 08 06 37.22 +32 37 12.5 V 204
2021-02-11 02:54:51 C 08 08 47.08 +29 14 36.6 V I52
2021-02-11 02:55:03 C 08 08 47.12 +29 14 29.2 V I52
2021-02-11 02:55:14 C 08 08 47.18 +29 14 21.7 V I52
2021-02-11 20:21:04 C 08 14 35.02 +16 05 38.3 V Z99
2021-02-11 20:23:33 C 08 14 35.68 +16 03 38.1 V Z99
2021-02-11 20:26:03 C 08 14 36.31 +16 01 36.3 V Z99
2021-02-11 20:28:33 C 08 14 36.93 +15 59 35.5 V Z99
2021-02-11 22:40:13 C 08 15 01.16 +14 14 28.4 V L34
2021-02-11 23:21:13 C 08 15 09.65 +13 40 34.0 V L34
2021-02-11 23:49:59 C 08 15 15.78 +13 16 40.2 V L34
2021-02-12 03:25:16 C 08 17 07.17 +10 17 29.9 V I52
2021-02-12 03:26:41 C 08 17 07.50 +10 16 18.7 V I52
2021-02-12 03:27:49 C 08 17 07.76 +10 15 21.9 V I52
2021-02-12 03:28:00 C 08 17 07.81 +10 15 12.2 V I52
2021-02-12 12:12:31 C 08 19 36.13 +03 00 52.8 V 474
2021-02-12 12:13:04 C 08 19 36.26 +03 00 25.5 V 474
2021-02-12 12:13:36 C 08 19 36.38 +02 59 57.9 V 474
2021-02-12 12:14:08 C 08 19 36.48 +02 59 30.5 V 474
2021-02-12 22:40:25 C 08 23 12.58 -06 06 46.6 V J95
2021-02-12 22:44:06 C 08 23 13.42 -06 09 50.6 V J95
2021-02-12 22:48:52 C 08 23 14.46 -06 13 49.2 V J95
2021-02-12 22:52:35 C 08 23 15.28 -06 16 55.5 V J95
2021-02-13 09:40:00 C 08 26 21.52 -14 56 22.7 V I52
2021-02-13 09:40:11 C 08 26 21.58 -14 56 31.3 V I52
2021-02-13 09:40:22 C 08 26 21.59 -14 56 40.3 V I52
2021-02-13 09:40:34 C 08 26 21.66 -14 56 49.3 V I52
2021-02-13 10:59:41 C 08 27 17.28 -15 46 56.6 V 474
2021-02-13 11:01:08 C 08 27 17.57 -15 48 03.8 V 474