2021 AB1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4630383198 ± 2.00e+00
Semi-major axis (a)0.7317170480 AU ± 3.00e+00
Inclination (i)9.06204619° ± 4.00e+00
Long. of Asc. Node (Ω)101.36258956° ± 5.00e+00
Arg. of Perihelion (ω)201.68470663° ± 6.00e+00
Mean Anomaly (M)58.66083794° ± 9.58e-01
Mean Motion (n)1.5747623100°/day ± 9.68e+00
Perihelion dist (q)0.39284150 AU ± 2.18e+00
Aphelion dist (Q)1.07053490 AU ± 4.63e+00
Orbital Period0.62587710 yr ± 3.85e+00
Physical Parameters
H (abs. magnitude)26.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.370″
Uncertainty3
Orbit TypeAten
MOID0.010915 AU
Observations Used21
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-01-06
Observations (21)
Date Type RA Dec Mag Band Observatory
2021-01-04 04:04:38 C 05 01 11.15 +29 02 20.9 V G96
2021-01-04 04:12:06 C 05 01 04.63 +29 02 54.5 V G96
2021-01-04 04:19:34 C 05 00 58.06 +29 03 28.2 V G96
2021-01-04 04:27:02 C 05 00 51.39 +29 04 02.4 V G96
2021-01-04 04:50:17 C 05 00 30.98 +29 05 45.1 V I52
2021-01-04 04:53:09 C 05 00 28.53 +29 05 56.9 V I52
2021-01-04 04:54:34 C 05 00 27.28 +29 06 04.2 V I52
2021-01-04 06:32:32 C 04 59 02.24 +29 12 58.7 V I52
2021-01-04 06:33:57 C 04 59 01.05 +29 13 04.3 V I52
2021-01-04 06:35:23 C 04 58 59.82 +29 13 10.0 V I52
2021-01-04 06:36:48 C 04 58 58.58 +29 13 16.4 V I52
2021-01-04 08:49:57 C 04 57 07.24 +29 21 53.1 V I52
2021-01-04 08:53:28 C 04 57 04.36 +29 22 05.9 V I52
2021-01-04 08:56:59 C 04 57 01.58 +29 22 19.5 V I52
2021-01-04 09:00:29 C 04 56 58.66 +29 22 32.0 V I52
2021-01-05 03:44:51 C 04 44 14.17 +30 28 05.5 V I52
2021-01-05 03:49:46 C 04 44 10.86 +30 28 21.5 V I52
2021-01-05 03:59:34 C 04 44 04.15 +30 28 50.7 V I52
2021-01-06 03:45:51 C 04 30 57.87 +31 28 08.4 V I52
2021-01-06 03:53:06 C 04 30 53.98 +31 28 24.6 V I52
2021-01-06 04:00:22 C 04 30 50.09 +31 28 40.6 V I52