IAA RAS IAA Minor Planet Database

2021 AJ1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6063232000
Semi-major axis (a)2.6161185000 AU
Inclination (i)2.98948000°
Long. of Asc. Node (Ω)284.61457000°
Arg. of Perihelion (ω)146.01259000°
Mean Anomaly (M)60.65106000°
Mean Motion (n)0.2329259900°/day
Perihelion dist (q)1.02990520 AU
Aphelion dist (Q)4.20233180 AU
Orbital Period4.23141980 yr
Physical Parameters
H (abs. magnitude)24.33
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.720″
Uncertainty9
Orbit TypeAmor
MOID0.051848 AU
Observations Used20
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-11
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-01-04 02:37:18 C 04 24 46.68 +23 52 37.2 – V G96
2021-01-04 02:44:49 C 04 24 49.97 +23 52 34.7 – V G96
2021-01-04 02:59:48 C 04 24 56.47 +23 52 30.1 – V G96
2021-01-04 04:09:41 C 04 25 26.59 +23 52 07.3 – V I52
2021-01-04 04:12:30 C 04 25 27.80 +23 52 06.2 – V I52
2021-01-04 04:15:19 C 04 25 29.05 +23 52 05.4 – V I52
2021-01-04 04:18:08 C 04 25 30.23 +23 52 04.6 – V I52
2021-01-04 05:22:07 C 04 25 57.71 +23 51 41.6 – V I52
2021-01-04 05:24:56 C 04 25 58.91 +23 51 40.1 – V I52
2021-01-04 05:27:45 C 04 26 00.15 +23 51 38.9 – V I52
2021-01-04 05:30:34 C 04 26 01.32 +23 51 37.7 – V I52
2021-01-05 03:15:32 C 04 35 37.81 +23 42 43.9 – V I52
2021-01-05 03:25:20 C 04 35 41.83 +23 42 39.3 – V I52
2021-01-05 03:30:13 C 04 35 43.85 +23 42 37.2 – V I52
2021-01-06 04:36:38 C 04 46 17.85 +23 30 23.8 – V I52
2021-01-06 04:40:15 C 04 46 19.29 +23 30 21.5 – V I52
2021-01-06 04:43:53 C 04 46 20.72 +23 30 19.7 – V I52
2021-01-06 04:47:31 C 04 46 22.13 +23 30 17.6 – V I52
2021-01-11 00:16:16 C 05 28 40.24 +22 16 30.2 – V 033
2021-01-11 00:19:50 C 05 28 41.40 +22 16 26.9 – V 033