2021 AN4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3073174000
Semi-major axis (a)1.4636874000 AU
Inclination (i)1.04341000°
Long. of Asc. Node (Ω)270.82928000°
Arg. of Perihelion (ω)208.85085000°
Mean Anomaly (M)262.97846000°
Mean Motion (n)0.5565851100°/day
Perihelion dist (q)1.01387080 AU
Aphelion dist (Q)1.91350400 AU
Orbital Period1.77081220 yr
Physical Parameters
H (abs. magnitude)27.49
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.960″
Uncertainty7
Orbit TypeAmor
MOID0.030900 AU
Observations Used22
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-18
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-01-10 06:06:04 C 05 43 37.93 +14 41 08.3 V G96
2021-01-10 06:13:27 C 05 43 40.61 +14 40 53.7 V G96
2021-01-10 06:20:49 C 05 43 43.33 +14 40 39.7 V G96
2021-01-10 06:28:14 C 05 43 45.97 +14 40 25.5 V G96
2021-01-10 08:11:57 C 05 44 24.15 +14 36 59.1 V I52
2021-01-10 08:14:22 C 05 44 25.05 +14 36 54.4 V I52
2021-01-10 08:16:48 C 05 44 25.97 +14 36 48.8 V I52
2021-01-10 08:19:13 C 05 44 26.85 +14 36 44.3 V I52
2021-01-10 19:11:25 C 05 49 22.46 +14 14 26.4 V 033
2021-01-10 19:17:05 C 05 49 24.65 +14 14 15.8 V 033
2021-01-10 19:19:56 C 05 49 25.83 +14 14 10.2 V 033
2021-01-10 19:22:56 C 05 49 27.04 +14 14 04.8 V 033
2021-01-11 05:04:27 C 05 53 41.85 +13 55 35.6 V I52
2021-01-11 05:08:05 C 05 53 43.19 +13 55 30.7 V I52
2021-01-11 05:11:43 C 05 53 44.62 +13 55 21.8 V I52
2021-01-17 10:23:39 C 07 12 49.07 +07 17 18.0 V 291
2021-01-17 10:29:24 C 07 12 52.28 +07 16 59.3 V 291
2021-01-17 10:35:14 C 07 12 55.54 +07 16 39.9 V 291
2021-01-18 02:31:40 C 07 22 52.11 +06 30 08.9 u 807
2021-01-18 02:40:26 C 07 22 56.81 +06 29 40.2 u 807
2021-01-18 02:49:11 C 07 23 01.59 +06 29 12.2 u 807
2021-01-18 04:45:16 C 07 24 14.88 +06 17 58.3 o 691
2021-01-18 05:03:12 C 07 24 24.66 +06 17 00.6 o 691