2021 AT1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2904581743 ± 2.00e+00
Semi-major axis (a)1.4212466858 AU ± 3.00e+00
Inclination (i)7.86951704° ± 4.00e+00
Long. of Asc. Node (Ω)289.84550916° ± 5.00e+00
Arg. of Perihelion (ω)170.57139120° ± 6.00e+00
Mean Anomaly (M)318.24955556° ± 7.64e-02
Mean Motion (n)0.5816731800°/day ± 1.84e+00
Perihelion dist (q)1.00843550 AU ± 3.55e+00
Aphelion dist (Q)1.83414870 AU ± 4.80e+00
Orbital Period1.69443540 yr ± 5.36e+00
Physical Parameters
H (abs. magnitude)25.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.371″
Uncertainty2
Orbit TypeAmor
MOID0.027021 AU
Observations Used80
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-02-05
Observations (85)
Date Type RA Dec Mag Band Observatory
2021-01-10 08:39:30 C 08 44 58.28 +14 43 03.3 V G96
2021-01-10 08:46:51 C 08 44 59.45 +14 41 22.3 V G96
2021-01-10 08:54:13 C 08 45 00.62 +14 39 41.7 V G96
2021-01-10 09:01:37 C 08 45 01.79 +14 37 59.8 V G96
2021-01-10 23:58:43 C 08 48 24.15 +11 17 09.1 V K87
2021-01-11 00:06:16 C 08 48 25.34 +11 15 31.2 V K87
2021-01-11 00:16:14 C 08 48 26.93 +11 13 21.9 V K87
2021-01-11 04:30:12 C 08 49 32.93 +10 19 47.1 V I52
2021-01-11 04:30:28 C 08 49 32.94 +10 19 42.3 V I52
2021-01-11 04:30:45 C 08 49 32.97 +10 19 39.5 V I52
2021-01-11 04:31:01 C 08 49 33.09 +10 19 35.1 V I52
2021-01-12 05:16:10 C 08 54 16.04 +05 20 12.9 V I52
2021-01-12 05:16:31 C 08 54 16.01 +05 20 07.4 V I52
2021-01-16 08:40:43 C 09 07 48.18 -09 41 06.0 V I52
2021-01-16 08:42:08 C 09 07 48.24 -09 41 16.3 V I52
2021-01-16 08:43:33 C 09 07 48.32 -09 41 26.3 V I52
2021-01-16 08:44:58 C 09 07 48.38 -09 41 36.0 V I52
2021-01-17 07:07:44 C 09 09 59.24 -12 04 54.7 u 807
2021-01-17 07:14:32 C 09 09 59.55 -12 05 36.2 u 807
2021-01-17 07:21:02 C 09 09 59.85 -12 06 16.5 u 807
2021-01-17 10:29:07 C 09 10 25.504 -12 28 16.36 U F51
2021-01-17 10:46:39 C 09 10 26.210 -12 30 03.74 U F51
2021-01-17 11:04:13 C 09 10 26.892 -12 31 50.88 U F51
2021-01-18 07:08:19 C 09 12 07.90 -14 24 34.2 u 807
2021-01-18 07:17:12 C 09 12 08.21 -14 25 22.1 u 807
2021-01-18 07:26:06 C 09 12 08.51 -14 26 10.2 u 807
2021-01-18 07:57:30 C 09 12 17.49 -14 32 08.4 o 691
2021-01-18 08:11:10 C 09 12 17.98 -14 33 23.4 o 691
2021-01-18 08:24:50 C 09 12 18.45 -14 34 37.5 o 691
2021-02-04 06:35:47 C 09 27 54.63 -30 19 55.8 V 807
2021-02-04 06:48:31 C 09 27 54.51 -30 20 04.0 V 807
2021-02-04 07:00:41 C 09 27 54.40 -30 20 11.7 V 807
2021-02-05 05:49:43 C 09 28 13.98 -30 34 52.7 V 807
2021-02-05 06:06:19 C 09 28 13.77 -30 35 01.8 V 807
2021-02-05 06:22:55 C 09 28 13.57 -30 35 10.9 V 807