IAA RAS IAA Minor Planet Database

2021 AG4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3271060000
Semi-major axis (a)1.5132599000 AU
Inclination (i)2.95579000°
Long. of Asc. Node (Ω)274.24576000°
Arg. of Perihelion (ω)176.92786000°
Mean Anomaly (M)228.30073000°
Mean Motion (n)0.5294607500°/day
Perihelion dist (q)1.01826350 AU
Aphelion dist (Q)2.00825630 AU
Orbital Period1.86153110 yr
Physical Parameters
H (abs. magnitude)25.89
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.990″
Uncertainty7
Orbit TypeAmor
MOID0.034140 AU
Observations Used22
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-12
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-01-05 01:54:21 C 03 47 14.89 +12 26 45.2 – V G96
2021-01-05 02:03:17 C 03 47 18.76 +12 26 36.7 – V G96
2021-01-10 05:35:33 C 04 45 43.51 +09 56 59.1 – V G96
2021-01-10 05:42:57 C 04 45 46.68 +09 56 49.5 – V G96
2021-01-10 05:50:23 C 04 45 49.85 +09 56 39.6 – V G96
2021-01-10 05:57:49 C 04 45 53.02 +09 56 30.6 – V G96
2021-01-10 07:32:49 C 04 46 34.02 +09 54 24.4 – V V06
2021-01-10 07:35:10 C 04 46 35.01 +09 54 21.1 – V V06
2021-01-10 07:37:31 C 04 46 36.09 +09 54 18.5 – V V06
2021-01-10 07:39:52 C 04 46 37.07 +09 54 14.9 – V V06
2021-01-10 17:43:41 C 04 51 26.44 +09 40 42.0 – V 033
2021-01-10 17:48:32 C 04 51 28.59 +09 40 36.0 – V 033
2021-01-10 17:51:12 C 04 51 29.75 +09 40 32.5 – V 033
2021-01-10 20:41:06 C 04 52 44.04 +09 37 10.0 – V 204
2021-01-10 21:16:17 C 04 52 59.09 +09 36 25.2 – V 204
2021-01-11 03:11:39 C 04 55 46.20 +09 29 18.1 – V I52
2021-01-11 03:15:17 C 04 55 47.72 +09 29 13.5 – V I52
2021-01-11 03:18:55 C 04 55 49.31 +09 29 08.8 – V I52
2021-01-11 03:22:33 C 04 55 50.79 +09 29 04.7 – V I52
2021-01-12 03:42:54 C 05 06 50.06 +08 58 02.5 – V I52
2021-01-12 03:45:20 C 05 06 51.02 +08 57 59.6 – V I52
2021-01-12 03:47:45 C 05 06 52.05 +08 57 56.2 – V I52