IAA RAS IAA Minor Planet Database

2021 MA

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5296565288 ± 5.56e-05
Semi-major axis (a)2.3571881236 AU ± 2.90e-04
Inclination (i)14.64695789° ± 9.36e-04
Long. of Asc. Node (Ω)102.51428406° ± 1.01e-04
Arg. of Perihelion (ω)174.29928603° ± 3.93e-05
Mean Anomaly (M)77.15296761° ± 8.08e-02
Mean Motion (n)0.2723459427°/day ± 5.03e-05
Perihelion dist (q)1.10868804 AU ± 1.89e-04
Aphelion dist (Q)3.60568820 AU ± 4.63e-04
Orbital Period3.61902319 yr ± 6.69e-04
Physical Parameters
H (abs. magnitude)23.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.355″
Uncertainty2
Orbit TypeAmor
MOID0.091869 AU
Observations Used56
Oppositions1
Arc Total2021-2021
First Observation Used2021-06-16
Last Observation Used2021-08-03
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-06-16 06:56:03 C 16 21 00.828 +21 03 23.90 – U F51
2021-06-16 07:14:34 C 16 21 02.280 +21 02 33.02 – U F51
2021-06-16 07:27:16 C 16 21 00.38 +21 01 47.3 – V G96
2021-06-16 07:32:59 C 16 21 03.700 +21 01 42.51 – U F51
2021-06-16 07:34:43 C 16 21 00.96 +21 01 26.3 – V G96
2021-06-16 07:42:11 C 16 21 01.56 +21 01 04.9 – V G96
2021-06-16 07:49:37 C 16 21 02.11 +21 00 43.9 – V G96
2021-06-16 10:07:22 C 16 21 13.44 +20 54 10.3 – V I52
2021-06-16 10:09:47 C 16 21 13.71 +20 54 03.5 – V I52
2021-06-16 10:12:12 C 16 21 13.91 +20 53 56.5 – V I52
2021-06-16 10:14:38 C 16 21 14.11 +20 53 49.4 – V I52
2021-06-16 20:53:00 C 16 22 18.54 +20 23 13.9 – V L01
2021-06-16 20:56:23 C 16 22 18.82 +20 23 04.4 – V L01
2021-06-16 20:59:45 C 16 22 19.09 +20 22 55.3 – V L01
2021-06-16 21:03:07 C 16 22 19.38 +20 22 45.2 – V L01
2021-06-16 21:06:29 C 16 22 19.61 +20 22 34.7 – V L01
2021-06-16 22:08:41 C 16 22 28.33 +20 20 31.1 – X Y00
2021-06-16 22:25:09 C 16 22 29.71 +20 19 43.0 – X Y00
2021-06-16 22:35:55 C 16 22 30.62 +20 19 11.8 – X Y00
2021-06-17 09:46:29 C 16 23 30.58 +19 44 54.4 – V I52
2021-06-17 09:50:07 C 16 23 30.90 +19 44 43.4 – V I52
2021-06-17 09:51:56 C 16 23 31.08 +19 44 36.9 – V I52
2021-06-21 06:58:58 C 16 34 02.10 +14 14 38.3 – V I52
2021-06-21 07:10:03 C 16 34 03.30 +14 13 53.2 – V I52
2021-06-21 07:13:22 C 16 34 03.69 +14 13 39.3 – V I52
2021-06-22 06:22:55 C 16 37 05.68 +12 35 32.7 – V I52
2021-06-22 06:26:16 C 16 37 06.07 +12 35 19.5 – V I52
2021-06-27 04:10:35 C 16 55 29.33 +02 22 51.8 – V I52
2021-06-27 04:12:20 C 16 55 29.59 +02 22 41.2 – V I52
2021-06-28 04:52:23 C 17 00 01.98 -00 10 40.0 – V I52
2021-06-28 04:53:30 C 17 00 02.20 -00 10 47.4 – V I52
2021-06-28 04:57:10 C 17 00 02.82 -00 11 10.8 – V I52
2021-06-28 06:36:37 C 17 00 19.85 -00 21 46.7 – o 691
2021-06-28 06:48:33 C 17 00 21.82 -00 23 02.8 – o 691
2021-06-29 04:13:07 C 17 04 36.27 -02 43 29.2 – V I52
2021-06-29 04:15:17 C 17 04 36.63 -02 43 43.8 – V I52
2021-06-30 06:41:08 C 17 10 01.76 -05 45 08.8 – V I52
2021-06-30 06:43:16 C 17 10 02.16 -05 45 23.9 – V I52
2021-06-30 06:44:20 C 17 10 02.35 -05 45 31.5 – V I52
2021-07-02 22:43:20 C 17 24 42.43 -13 34 39.1 – V 033
2021-07-02 22:43:45 C 17 24 42.50 -13 34 42.4 – V 033
2021-07-02 22:44:09 C 17 24 42.61 -13 34 45.2 – V 033
2021-07-02 22:44:36 C 17 24 42.69 -13 34 49.2 – V 033
2021-07-07 06:33:16 C 17 53 06.96 -26 46 30.5 – V I52
2021-07-07 06:34:19 C 17 53 07.18 -26 46 37.8 – V I52
2021-07-07 06:35:23 C 17 53 07.55 -26 46 45.2 – V I52
2021-07-07 06:36:27 C 17 53 07.77 -26 46 54.4 – V I52
2021-07-17 02:24:35 C 19 16 34.27 -49 34 47.6 – V 807
2021-07-17 02:30:58 C 19 16 36.56 -49 35 12.3 – V 807
2021-07-17 02:37:10 C 19 16 38.77 -49 35 36.7 – V 807