IAA RAS IAA Minor Planet Database

2021 GL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6045745000
Semi-major axis (a)2.4477396000 AU
Inclination (i)0.59509000°
Long. of Asc. Node (Ω)124.46078000°
Arg. of Perihelion (ω)101.29475000°
Mean Anomaly (M)67.19052000°
Mean Motion (n)0.2573690200°/day
Perihelion dist (q)0.96789870 AU
Aphelion dist (Q)3.92758050 AU
Orbital Period3.82955070 yr
Physical Parameters
H (abs. magnitude)27.64
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.760″
Uncertainty8
Orbit TypeApollo
MOID0.008032 AU
Observations Used16
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-04-08
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-04-06 06:58:26 C 12 47 42.84 +12 31 09.8 – V G96
2021-04-06 07:14:47 C 12 47 55.66 +12 31 16.7 – V G96
2021-04-07 06:17:11 C 13 10 19.92 +12 37 17.1 – V G96
2021-04-07 06:25:23 C 13 10 28.48 +12 37 17.9 – V G96
2021-04-07 06:33:38 C 13 10 36.93 +12 37 19.4 – V G96
2021-04-07 06:41:52 C 13 10 45.46 +12 37 20.5 – V G96
2021-04-07 08:12:08 C 13 12 19.56 +12 37 29.3 – V I52
2021-04-07 08:19:15 C 13 12 27.07 +12 37 29.6 – V I52
2021-04-08 08:24:23 C 13 43 26.76 +12 32 18.7 – V G96
2021-04-08 08:25:43 C 13 43 28.60 +12 32 18.0 – V G96
2021-04-08 08:27:03 C 13 43 30.44 +12 32 17.3 – V G96
2021-04-08 08:28:23 C 13 43 32.27 +12 32 15.8 – V G96
2021-04-08 20:19:42 C 14 02 20.52 +12 20 27.7 – V 033
2021-04-08 20:20:32 C 14 02 21.89 +12 20 27.5 – V 033
2021-04-08 20:21:21 C 14 02 23.29 +12 20 26.1 – V 033
2021-04-08 20:22:12 C 14 02 24.63 +12 20 25.7 – V 033
2021-04-08 20:23:02 C 14 02 26.01 +12 20 24.5 – V 033