IAA RAS IAA Minor Planet Database

2021 AN1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2328349437 ± 5.03e-05
Semi-major axis (a)1.2070896333 AU ± 5.76e-05
Inclination (i)2.98774844° ± 7.04e-04
Long. of Asc. Node (Ω)289.84222549° ± 9.40e-05
Arg. of Perihelion (ω)238.11147128° ± 2.17e-03
Mean Anomaly (M)201.52694183° ± 1.14e-01
Mean Motion (n)0.7431953709°/day ± 5.32e-05
Perihelion dist (q)0.92603699 AU ± 7.50e-05
Aphelion dist (Q)1.48814228 AU ± 9.34e-05
Orbital Period1.32620078 yr ± 9.49e-05
Physical Parameters
H (abs. magnitude)26.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty3
Orbit TypeApollo
MOID0.009646 AU
Observations Used45
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-04
Last Observation Used2021-01-18
Observations (47)
Date Type RA Dec Mag Band Observatory
2021-01-04 09:34:18 C 07 41 27.53 +27 37 51.2 – V G96
2021-01-04 09:41:43 C 07 41 28.18 +27 37 35.8 – V G96
2021-01-04 09:49:09 C 07 41 28.91 +27 37 20.2 – V G96
2021-01-04 09:56:35 C 07 41 29.59 +27 37 05.0 – V G96
2021-01-04 11:55:36 C 07 41 41.73 +27 32 48.4 – V V06
2021-01-04 11:59:27 C 07 41 42.19 +27 32 39.8 – V V06
2021-01-04 12:03:17 C 07 41 42.59 +27 32 30.6 – V V06
2021-01-05 06:39:16 C 07 44 36.54 +26 53 59.1 – V G96
2021-01-05 06:43:26 C 07 44 36.96 +26 53 50.6 – V G96
2021-01-05 06:45:31 C 07 44 37.14 +26 53 45.7 – V G96
2021-01-06 07:33:02 C 07 48 32.27 +25 54 09.2 – V I52
2021-01-06 07:36:40 C 07 48 32.70 +25 53 59.8 – V I52
2021-01-06 07:40:18 C 07 48 33.09 +25 53 50.2 – V I52
2021-01-06 07:43:56 C 07 48 33.56 +25 53 41.1 – V I52
2021-01-08 07:48:22 C 07 57 50.80 +23 25 01.1 – V G96
2021-01-08 07:55:47 C 07 57 52.00 +23 24 34.8 – V G96
2021-01-08 08:03:12 C 07 57 53.19 +23 24 07.5 – V G96
2021-01-08 08:10:37 C 07 57 54.35 +23 23 40.2 – V G96
2021-01-09 11:41:24 C 08 04 18.09 +21 31 02.7 – V I52
2021-01-09 11:42:49 C 08 04 18.40 +21 30 55.7 – V I52
2021-01-09 11:44:14 C 08 04 18.72 +21 30 49.5 – V I52
2021-01-09 11:45:39 C 08 04 19.07 +21 30 42.4 – V I52
2021-01-10 07:56:38 C 08 10 09.51 +19 51 55.0 – V I52
2021-01-10 07:58:46 C 08 10 09.97 +19 51 43.3 – V I52
2021-01-10 07:59:22 C 08 10 10.11 +19 51 40.4 – V I52
2021-01-10 07:59:59 C 08 10 10.27 +19 51 37.3 – V I52
2021-01-10 20:21:51 C 08 14 09.82 +18 40 06.4 – V 033
2021-01-10 20:23:36 C 08 14 10.35 +18 39 56.4 – V 033
2021-01-10 20:25:21 C 08 14 10.87 +18 39 45.9 – V 033
2021-01-12 04:21:00 C 08 25 54.31 +15 01 21.4 – V I52
2021-01-12 04:21:36 C 08 25 54.47 +15 01 17.5 – V I52
2021-01-12 04:22:13 C 08 25 54.65 +15 01 13.4 – V I52
2021-01-12 04:22:49 C 08 25 54.97 +15 01 09.3 – V I52
2021-01-15 09:51:59 C 09 10 12.19 -00 21 39.5 – V I52
2021-01-15 09:53:03 C 09 10 12.92 -00 21 57.7 – V I52
2021-01-15 09:54:07 C 09 10 13.65 -00 22 15.9 – V I52
2021-01-15 09:55:11 C 09 10 14.39 -00 22 34.1 – V I52
2021-01-16 05:55:37 C 09 28 30.33 -06 38 51.7 – V I52
2021-01-16 05:58:09 C 09 28 32.60 -06 39 44.2 – V I52
2021-01-16 06:00:41 C 09 28 34.88 -06 40 36.8 – V I52
2021-01-16 06:03:13 C 09 28 37.15 -06 41 29.3 – V I52
2021-01-17 08:59:44 C 09 58 47.07 -16 54 27.9 – V I52
2021-01-17 09:04:44 C 09 58 52.84 -16 56 31.4 – V I52
2021-01-17 09:05:18 C 09 58 53.49 -16 56 44.7 – V I52
2021-01-18 11:10:39 C 10 37 15.60 -28 04 08.4 – V I52
2021-01-18 11:11:13 C 10 37 16.49 -28 04 22.9 – V I52
2021-01-18 11:11:46 C 10 37 17.27 -28 04 36.6 – V I52