2021 AT

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3206308761 ± 3.22e-04
Semi-major axis (a)1.2859940701 AU ± 5.14e-04
Inclination (i)14.21687271° ± 1.20e-02
Long. of Asc. Node (Ω)102.44426240° ± 8.23e-04
Arg. of Perihelion (ω)64.28242728° ± 5.46e-03
Mean Anomaly (M)89.64814905° ± 6.95e-01
Mean Motion (n)0.6758554608°/day ± 4.05e-04
Perihelion dist (q)0.87366466 AU ± 5.41e-04
Aphelion dist (Q)1.69832348 AU ± 7.95e-04
Orbital Period1.45833886 yr ± 8.74e-04
Physical Parameters
H (abs. magnitude)26.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.314″
Uncertainty3
Orbit TypeApollo
MOID0.020364 AU
Observations Used25
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-04
Last Observation Used2021-01-05
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-01-04 03:40:18 C 04 45 09.02 +24 34 24.0 V G96
2021-01-04 03:47:44 C 04 45 02.44 +24 36 48.8 V G96
2021-01-04 03:55:10 C 04 44 55.77 +24 39 12.6 V G96
2021-01-04 04:02:38 C 04 44 49.09 +24 41 36.9 V G96
2021-01-04 04:40:51 C 04 44 14.51 +24 54 01.2 V I52
2021-01-04 04:43:18 C 04 44 12.28 +24 54 49.1 V I52
2021-01-04 04:45:45 C 04 44 10.05 +24 55 36.6 V I52
2021-01-04 04:48:13 C 04 44 07.83 +24 56 24.7 V I52
2021-01-04 05:39:11 C 04 43 21.07 +25 12 58.2 V I52
2021-01-04 05:41:38 C 04 43 18.79 +25 13 46.2 V I52
2021-01-04 05:44:05 C 04 43 16.51 +25 14 34.2 V I52
2021-01-04 05:46:32 C 04 43 14.27 +25 15 21.9 V I52
2021-01-04 08:05:26 C 04 41 04.81 +26 00 43.3 V I52
2021-01-04 08:07:53 C 04 41 02.53 +26 01 31.5 V I52
2021-01-04 08:10:20 C 04 41 00.22 +26 02 19.2 V I52
2021-01-04 20:30:53 C 04 29 16.77 +30 21 07.4 V L01
2021-01-04 20:32:40 C 04 29 14.75 +30 21 47.3 V L01
2021-01-04 20:34:28 C 04 29 12.68 +30 22 27.2 V L01
2021-01-04 20:36:16 C 04 29 10.62 +30 23 06.8 V L01
2021-01-04 20:38:04 C 04 29 08.60 +30 23 46.1 V L01
2021-01-05 03:10:01 C 04 21 56.92 +32 51 44.8 V I52
2021-01-05 03:10:51 C 04 21 55.86 +32 52 04.7 V I52
2021-01-05 03:50:35 C 04 21 03.46 +33 07 16.3 q 858
2021-01-05 03:56:33 C 04 20 55.83 +33 09 34.7 q 858
2021-01-05 04:02:30 C 04 20 48.15 +33 11 52.7 q 858