IAA RAS IAA Minor Planet Database

2021 AH3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6511856625 ± 9.00e-07
Semi-major axis (a)1.2862647000 AU ± 2.20e-08
Inclination (i)33.93334794° ± 9.36e-05
Long. of Asc. Node (Ω)103.20957279° ± 4.11e-05
Arg. of Perihelion (ω)210.04634079° ± 6.67e-05
Mean Anomaly (M)179.87560131° ± 5.97e-05
Mean Motion (n)0.6756421721°/day ± 1.73e-08
Perihelion dist (q)0.44866757 AU ± 1.16e-06
Aphelion dist (Q)2.12386183 AU ± 1.16e-06
Orbital Period1.45879923 yr ± 3.74e-08
Physical Parameters
H (abs. magnitude)20.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.313″
Uncertainty0
Orbit TypeApollo
MOID0.313671 AU
Observations Used63
Oppositions1
Arc Total2021-2024
First Observation Used2021-01-07
Last Observation Used2024-01-10
Observations (64)
Date Type RA Dec Mag Band Observatory
2021-01-07 07:59:46 C 03 53 27.007 -02 36 41.64 – U F51
2021-01-07 08:31:48 C 03 53 26.803 -02 35 09.43 – U F51
2021-01-07 08:47:49 C 03 53 26.702 -02 34 23.35 – U F51
2021-01-08 02:31:08 C 03 53 25.64 -01 44 02.4 – u 807
2021-01-08 02:36:23 C 03 53 25.62 -01 43 47.2 – u 807
2021-01-08 02:42:24 C 03 53 25.57 -01 43 30.5 – u 807
2021-01-08 02:50:06 C 03 53 26.13 -01 43 26.9 – q 858
2021-01-08 03:02:07 C 03 53 26.07 -01 42 52.3 – q 858
2021-01-08 03:10:45 C 03 53 26.07 -01 42 27.9 – V I52
2021-01-08 03:13:10 C 03 53 26.10 -01 42 21.2 – V I52
2021-01-08 03:14:06 C 03 53 26.03 -01 42 19.2 – q 858
2021-01-08 03:15:35 C 03 53 26.09 -01 42 14.8 – V I52
2021-01-08 03:18:00 C 03 53 26.08 -01 42 08.5 – V I52
2021-01-09 02:02:51 C 03 53 27.62 -00 40 13.2 – q 858
2021-01-09 02:22:31 C 03 53 27.53 -00 39 21.1 – q 858
2021-01-09 03:51:31 C 03 53 27.33 -00 35 23.5 – o 711
2021-01-09 03:56:03 C 03 53 27.33 -00 35 11.3 – o 711
2021-01-09 04:00:39 C 03 53 27.33 -00 34 59.4 – o 711
2021-01-09 04:19:31 C 03 53 27.45 -00 34 08.9 – o 691
2021-01-09 04:36:02 C 03 53 27.42 -00 33 24.8 – o 691
2021-01-09 04:52:34 C 03 53 27.40 -00 32 41.6 – o 691
2021-01-10 01:40:11 C 03 53 32.04 +00 21 24.9 – q H36
2021-01-10 01:56:02 C 03 53 32.07 +00 22 05.9 – q H36
2021-01-10 02:10:47 C 03 53 32.34 +00 22 44.5 – V I52
2021-01-10 02:14:01 C 03 53 32.33 +00 22 51.8 – V I52
2021-01-10 02:16:26 C 03 53 32.31 +00 22 58.5 – V I52
2021-01-10 02:18:51 C 03 53 32.31 +00 23 05.4 – V I52
2021-01-10 02:27:59 C 03 53 32.13 +00 23 26.8 – q H36
2021-01-11 02:29:07 C 03 53 40.20 +01 23 25.8 – V I52
2021-01-11 02:31:32 C 03 53 40.20 +01 23 31.9 – V I52
2021-01-11 02:33:57 C 03 53 40.23 +01 23 37.4 – V I52
2021-01-12 02:04:05 C 03 53 50.99 +02 19 50.7 – V I52
2021-01-12 02:06:30 C 03 53 51.01 +02 19 57.0 – V I52
2021-01-12 02:08:55 C 03 53 51.03 +02 20 00.7 – V I52
2021-01-12 02:11:20 C 03 53 51.08 +02 20 08.5 – V I52
2021-01-12 02:32:37 C 03 53 50.61 +02 21 13.1 – u 807
2021-01-12 02:40:05 C 03 53 50.64 +02 21 30.2 – u 807
2021-01-12 02:47:22 C 03 53 50.69 +02 21 47.7 – u 807
2021-01-14 02:58:48 C 03 54 21.43 +04 09 56.4 – u 807
2021-01-14 03:04:45 C 03 54 21.46 +04 10 09.5 – u 807
2021-01-14 03:10:31 C 03 54 21.54 +04 10 22.0 – u 807
2021-01-15 06:56:58 C 03 54 44.689 +05 08 31.39 – U F52
2021-01-15 07:12:51 C 03 54 44.874 +05 09 04.04 – U F52
2021-01-15 07:28:45 C 03 54 45.058 +05 09 36.20 – U F52
2021-01-16 03:43:42 C 03 55 04.04 +05 50 22.1 – V I52
2021-01-16 03:48:32 C 03 55 04.10 +05 50 31.8 – V I52
2021-01-16 03:53:22 C 03 55 04.16 +05 50 41.7 – V I52
2021-01-16 03:58:13 C 03 55 04.23 +05 50 51.2 – V I52
2023-11-13 10:59:03 C 09 10 44.40 -17 25 58.9 – V I52
2023-11-13 11:03:31 C 09 10 43.99 -17 25 54.3 – V I52