IAA RAS IAA Minor Planet Database

2021 AR2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3334130633 ± 7.88e-05
Semi-major axis (a)1.2608413316 AU ± 1.14e-04
Inclination (i)11.37990134° ± 2.38e-03
Long. of Asc. Node (Ω)107.75724429° ± 1.52e-05
Arg. of Perihelion (ω)291.58222552° ± 7.73e-04
Mean Anomaly (M)194.09445274° ± 1.77e-01
Mean Motion (n)0.6961801251°/day ± 9.44e-05
Perihelion dist (q)0.84046036 AU ± 1.25e-04
Aphelion dist (Q)1.68122230 AU ± 1.82e-04
Orbital Period1.41576332 yr ± 1.92e-04
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.302″
Uncertainty3
Orbit TypeApollo
MOID0.008454 AU
Observations Used46
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-08
Last Observation Used2021-01-16
Observations (47)
Date Type RA Dec Mag Band Observatory
2021-01-08 07:45:40 C 08 14 49.89 +24 35 12.8 – V G96
2021-01-08 07:53:05 C 08 14 48.97 +24 38 32.1 – V G96
2021-01-08 08:00:30 C 08 14 48.05 +24 41 49.0 – V G96
2021-01-08 09:21:58 C 08 14 38.01 +25 17 11.9 – V I52
2021-01-08 09:22:32 C 08 14 37.93 +25 17 26.2 – V I52
2021-01-08 09:23:06 C 08 14 37.87 +25 17 40.6 – V I52
2021-01-08 09:23:39 C 08 14 37.81 +25 17 54.9 – V I52
2021-01-08 11:15:51 C 08 14 26.14 +26 04 08.0 – V I52
2021-01-08 11:16:26 C 08 14 26.08 +26 04 21.4 – V I52
2021-01-08 11:17:00 C 08 14 26.04 +26 04 35.3 – V I52
2021-01-08 11:17:33 C 08 14 26.00 +26 04 48.7 – V I52
2021-01-08 13:56:24 C 08 15 02.50 +27 07 44.8 – q 900
2021-01-08 14:05:56 C 08 15 01.51 +27 11 27.1 – q 900
2021-01-08 19:25:31 C 08 15 13.08 +29 03 28.7 – V 204
2021-01-08 19:31:46 C 08 15 13.40 +29 05 53.9 – V 104
2021-01-08 19:34:28 C 08 15 12.90 +29 06 35.8 – V 204
2021-01-08 19:35:49 C 08 15 13.32 +29 07 18.6 – V 104
2021-01-08 19:42:41 C 08 15 12.69 +29 09 26.3 – V 204
2021-01-08 19:53:04 C 08 15 12.71 +29 13 16.8 – V 104
2021-01-08 23:42:36 C 08 14 54.77 +30 28 12.2 – V 595
2021-01-08 23:47:51 C 08 14 54.28 +30 29 49.8 – V 595
2021-01-09 00:03:37 C 08 14 52.84 +30 34 39.2 – V 595
2021-01-09 08:46:57 C 08 14 52.59 +33 01 54.4 – V 703
2021-01-09 08:54:30 C 08 14 51.87 +33 03 48.7 – V 703
2021-01-09 09:09:36 C 08 14 50.35 +33 07 35.5 – V 703
2021-01-10 02:27:12 C 08 15 17.40 +36 48 17.2 – V W34
2021-01-10 02:27:12 C 08 15 17.42 +36 48 17.1 – V W34
2021-01-10 02:37:41 C 08 15 16.89 +36 50 17.6 – V W34
2021-01-10 02:37:41 C 08 15 16.91 +36 50 17.6 – V W34
2021-01-10 02:48:34 C 08 15 16.30 +36 52 21.9 – V W34
2021-01-10 02:48:34 C 08 15 16.31 +36 52 22.1 – V W34
2021-01-11 04:42:39 C 08 15 14.54 +40 40 30.9 – V I52
2021-01-11 04:43:15 C 08 15 14.44 +40 40 35.5 – V I52
2021-01-11 04:43:52 C 08 15 14.32 +40 40 40.8 – V I52
2021-01-11 04:44:28 C 08 15 14.37 +40 40 45.4 – V I52
2021-01-12 05:17:46 C 08 15 07.95 +43 08 48.2 – V I52
2021-01-12 05:18:53 C 08 15 07.89 +43 08 53.7 – V I52
2021-01-12 05:19:59 C 08 15 07.92 +43 09 01.3 – V I52
2021-01-12 05:21:05 C 08 15 07.80 +43 09 07.2 – V I52
2021-01-12 11:03:24 C 08 14 56.034 +43 38 14.23 – U F52
2021-01-12 11:22:53 C 08 14 54.420 +43 39 45.81 – U F52
2021-01-12 11:42:24 C 08 14 52.823 +43 41 15.77 – U F52
2021-01-12 12:01:49 C 08 14 51.229 +43 42 44.60 – U F52
2021-01-16 05:59:59 C 08 14 37.90 +48 06 24.7 – V V06
2021-01-16 06:12:49 C 08 14 37.27 +48 06 50.0 – V V06
2021-01-16 06:15:23 C 08 14 37.13 +48 06 55.4 – V V06
2021-01-16 06:17:57 C 08 14 37.00 +48 07 00.1 – V V06