IAA RAS IAA Minor Planet Database

2021 AS5

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3190369328 ± 4.54e-05
Semi-major axis (a)1.4603459573 AU ± 9.98e-05
Inclination (i)1.02866474° ± 1.35e-04
Long. of Asc. Node (Ω)166.09966320° ± 1.71e-04
Arg. of Perihelion (ω)297.49856912° ± 3.59e-04
Mean Anomaly (M)274.21283605° ± 1.02e-01
Mean Motion (n)0.5585070339°/day ± 5.72e-05
Perihelion dist (q)0.99444166 AU ± 9.49e-05
Aphelion dist (Q)1.92625025 AU ± 1.47e-04
Orbital Period1.76475178 yr ± 1.81e-04
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.224″
Uncertainty3
Orbit TypeApollo
MOID0.018854 AU
Observations Used66
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-12
Last Observation Used2021-02-17
Observations (70)
Date Type RA Dec Mag Band Observatory
2021-01-12 07:10:33 C 04 02 27.659 -13 24 59.33 – U F51
2021-01-12 07:30:36 C 04 02 41.642 -13 25 10.96 – U F51
2021-01-12 07:50:41 C 04 02 55.692 -13 25 22.09 – U F51
2021-01-12 21:42:25 C 04 14 10.97 -13 34 29.3 – V 204
2021-01-12 22:05:21 C 04 14 28.71 -13 34 37.4 – V 204
2021-01-13 01:18:47 C 04 17 28.40 -13 35 40.7 – V H36
2021-01-13 02:05:09 C 04 18 04.48 -13 36 06.4 – V H36
2021-01-13 02:07:59 C 04 18 02.28 -13 35 56.8 – V W34
2021-01-13 02:11:12 C 04 18 00.74 -13 30 00.2 – u 807
2021-01-13 02:14:34 C 04 18 07.35 -13 35 59.1 – V W34
2021-01-13 02:15:23 C 04 18 03.94 -13 30 01.7 – u 807
2021-01-13 02:19:27 C 04 18 07.07 -13 30 03.0 – u 807
2021-01-13 02:22:48 C 04 18 13.61 -13 36 02.6 – V W34
2021-01-13 02:48:09 C 04 18 41.27 -13 36 09.6 – q 858
2021-01-13 02:50:11 C 04 18 44.57 -13 35 58.2 – V I52
2021-01-13 02:51:37 C 04 18 45.66 -13 35 59.1 – V I52
2021-01-13 02:53:03 C 04 18 46.76 -13 35 59.6 – V I52
2021-01-13 02:54:27 C 04 18 40.10 -13 36 31.3 – u H21
2021-01-13 02:59:14 C 04 18 49.88 -13 36 16.0 – q 858
2021-01-13 02:59:49 C 04 18 44.25 -13 36 33.7 – u H21
2021-01-13 03:05:22 C 04 18 48.55 -13 36 35.7 – u H21
2021-01-13 03:09:14 C 04 18 57.61 -13 36 20.3 – q 858
2021-01-13 19:17:26 C 04 33 10.35 -13 42 09.6 – V 595
2021-01-13 19:27:08 C 04 33 19.41 -13 42 06.0 – V 104
2021-01-13 19:35:43 C 04 33 26.55 -13 42 08.3 – V 104
2021-01-13 19:35:51 C 04 33 25.73 -13 42 12.7 – V L01
2021-01-13 19:37:59 C 04 33 27.57 -13 42 15.1 – V 595
2021-01-13 19:38:27 C 04 33 27.90 -13 42 13.1 – V L01
2021-01-13 19:41:05 C 04 33 30.07 -13 42 14.1 – V L01
2021-01-13 19:41:08 C 04 33 31.04 -13 42 09.8 – V 104
2021-01-13 19:43:41 C 04 33 32.27 -13 42 14.4 – V L01
2021-01-13 19:46:47 C 04 33 34.85 -13 42 15.3 – V L01
2021-01-14 11:30:43 C 04 48 05.59 -13 35 32.9 – V 474
2021-01-14 11:32:30 C 04 48 07.15 -13 35 32.8 – V 474
2021-01-14 11:34:17 C 04 48 08.76 -13 35 32.3 – V 474
2021-01-14 11:36:04 C 04 48 10.32 -13 35 32.1 – V 474
2021-01-15 11:52:08 C 05 12 08.28 -13 29 59.7 – V 474
2021-01-15 11:53:05 C 05 12 09.16 -13 29 59.6 – V 474
2021-01-15 11:54:02 C 05 12 10.09 -13 29 58.7 – V 474
2021-01-15 11:54:58 C 05 12 10.97 -13 29 58.3 – V 474
2021-01-16 03:39:37 C 05 28 42.94 -13 28 28.8 – V I52
2021-01-16 03:39:58 C 05 28 43.28 -13 28 28.3 – V I52
2021-01-16 03:40:41 C 05 28 44.00 -13 28 28.3 – V I52
2021-01-17 08:24:51 C 05 59 09.864 -12 58 31.28 – U F51
2021-01-17 09:00:40 C 05 59 44.509 -12 57 44.70 – U F51
2021-01-18 06:46:17 C 06 23 01.91 -12 26 05.5 – V I52
2021-01-18 06:46:38 C 06 23 02.24 -12 26 05.4 – V I52
2021-01-18 06:46:59 C 06 23 02.57 -12 26 04.5 – V I52
2021-01-18 06:47:20 C 06 23 02.93 -12 26 04.1 – V I52
2021-02-04 07:55:47 C 10 12 58.85 +00 08 44.7 – u 807