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
2021-02-13 11:02:36 C 08 27 17.87 -15 49 10.6 V 474
2021-02-13 11:03:19 C 08 27 18.00 -15 49 44.2 V 474
2021-02-13 11:06:14 C 08 27 18.59 -15 51 57.9 V 474
2021-02-19 11:23:10 C 09 09 54.89 -64 30 05.9 V 474
2021-02-19 11:26:38 C 09 09 55.45 -64 30 30.3 V 474
2021-02-20 10:50:33 C 09 16 02.93 -66 51 27.7 V 474
2021-02-20 10:54:00 C 09 16 03.54 -66 51 46.2 V 474
2021-02-20 10:57:27 C 09 16 04.02 -66 52 05.9 V 474
2021-02-20 11:00:54 C 09 16 04.45 -66 52 24.2 V 474