IAA RAS IAA Minor Planet Database

2021 AS1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7503323000 ± 2.00e+00
Semi-major axis (a)1.9442411000 AU ± 3.00e+00
Inclination (i)1.20542000° ± 4.00e+00
Long. of Asc. Node (Ω)8.33841000° ± 5.00e+00
Arg. of Perihelion (ω)353.30645000° ± 6.00e+00
Mean Anomaly (M)305.47789000° ± 2.74e+02
Mean Motion (n)0.3635623438°/day ± 8.41e-01
Perihelion dist (q)0.48541420 AU ± 3.96e+00
Aphelion dist (Q)3.40306800 AU ± 6.53e+00
Orbital Period2.71097290 yr ± 6.27e+00
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual—″
Uncertainty6
Orbit TypeApollo
MOID0.020196 AU
Observations Used50
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-16
Observations (52)
Date Type RA Dec Mag Band Observatory
2021-01-05 06:55:17 C 08 39 16.09 +39 24 32.5 – U I41
2021-01-05 06:55:47 C 08 39 15.40 +39 24 30.3 – U I41
2021-01-05 07:54:13 C 08 37 57.15 +39 19 41.5 – U I41
2021-01-05 07:54:43 C 08 37 56.46 +39 19 39.2 – U I41
2021-01-05 08:15:57 C 08 37 28.32 +39 17 52.9 – U I41
2021-01-05 08:16:27 C 08 37 27.67 +39 17 50.5 – U I41
2021-01-05 09:15:24 C 08 36 10.13 +39 12 55.0 – U I41
2021-01-05 09:15:54 C 08 36 09.40 +39 12 51.1 – U I41
2021-01-06 07:11:39 C 08 13 03.48 +37 28 35.9 – U I41
2021-01-06 07:12:09 C 08 13 03.06 +37 28 31.9 – U I41
2021-01-06 07:23:25 C 08 12 52.73 +37 27 45.5 – U I41
2021-01-06 07:23:55 C 08 12 52.30 +37 27 41.5 – U I41
2021-01-06 08:14:08 C 08 12 05.80 +37 24 09.8 – V G96
2021-01-06 08:21:42 C 08 11 58.97 +37 23 36.6 – V G96
2021-01-06 08:29:19 C 08 11 52.10 +37 23 03.5 – V G96
2021-01-06 08:36:56 C 08 11 45.28 +37 22 30.5 – V G96
2021-01-06 09:15:29 C 08 11 10.75 +37 19 42.4 – V I52
2021-01-06 09:18:36 C 08 11 08.01 +37 19 28.3 – V I52
2021-01-06 09:18:53 C 08 11 07.74 +37 19 27.2 – V I52
2021-01-06 09:19:10 C 08 11 07.49 +37 19 25.9 – V I52
2021-01-06 11:01:31 C 08 09 38.08 +37 11 54.7 – V I52
2021-01-06 11:01:48 C 08 09 37.79 +37 11 53.6 – V I52
2021-01-06 11:02:04 C 08 09 37.54 +37 11 52.7 – V I52
2021-01-06 11:02:20 C 08 09 37.27 +37 11 51.2 – V I52
2021-01-06 21:11:58 C 08 01 55.76 +36 29 51.2 – V L01
2021-01-06 21:13:05 C 08 01 54.94 +36 29 47.0 – V L01
2021-01-06 21:14:13 C 08 01 54.08 +36 29 43.0 – V L01
2021-01-06 21:16:28 C 08 01 52.43 +36 29 34.2 – V L01
2021-01-06 21:31:27 C 08 01 41.37 +36 28 35.9 – V 595
2021-01-06 21:40:07 C 08 01 35.00 +36 28 03.4 – V 595
2021-01-06 21:48:46 C 08 01 28.69 +36 27 30.5 – V 595
2021-01-07 11:11:49 C 07 52 43.937 +35 38 51.06 – U F52
2021-01-07 11:27:29 C 07 52 34.146 +35 37 56.09 – U F52
2021-01-07 11:43:11 C 07 52 24.354 +35 37 00.87 – U F52
2021-01-08 08:55:37 C 07 41 26.71 +34 28 58.4 – V I52
2021-01-08 08:56:14 C 07 41 26.40 +34 28 56.6 – V I52
2021-01-08 08:56:50 C 07 41 26.16 +34 28 54.8 – V I52
2021-01-08 08:57:26 C 07 41 25.86 +34 28 53.4 – V I52
2021-01-09 11:38:21 C 07 30 56.74 +33 18 27.5 – V I52
2021-01-09 11:38:58 C 07 30 56.54 +33 18 26.7 – V I52
2021-01-09 11:40:10 C 07 30 56.13 +33 18 23.2 – V I52
2021-01-10 05:21:51 C 07 25 34.76 +32 39 27.0 – V I52
2021-01-10 05:22:57 C 07 25 34.44 +32 39 24.9 – V I52
2021-01-10 05:24:03 C 07 25 34.10 +32 39 21.9 – V I52
2021-01-11 04:54:41 C 07 19 35.49 +31 54 31.6 – V I52
2021-01-11 04:58:52 C 07 19 34.49 +31 54 25.8 – V I52
2021-01-11 04:59:58 C 07 19 34.08 +31 54 23.5 – V I52
2021-01-12 04:50:13 C 07 14 38.70 +31 15 42.5 – V I52
2021-01-12 04:52:02 C 07 14 38.28 +31 15 39.7 – V I52
2021-01-12 04:55:39 C 07 14 37.69 +31 15 36.1 – V I52