2021 AB8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5656110716 ± 2.58e-06
Semi-major axis (a)2.7043498107 AU ± 1.82e-05
Inclination (i)12.14831150° ± 2.78e-05
Long. of Asc. Node (Ω)293.74461419° ± 4.03e-05
Arg. of Perihelion (ω)258.54898216° ± 1.14e-04
Mean Anomaly (M)10.54336604° ± 3.65e-03
Mean Motion (n)0.2216246053°/day ± 2.23e-06
Perihelion dist (q)1.17473962 AU ± 1.05e-05
Aphelion dist (Q)4.23396001 AU ± 2.93e-05
Orbital Period4.44727824 yr ± 4.48e-05
Physical Parameters
H (abs. magnitude)19.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.284″
Uncertainty1
Orbit TypeAmor
MOID0.282266 AU
Observations Used64
Oppositions1
Arc Total2020-2021
First Observation Used2020-12-11
Last Observation Used2021-06-12
Observations (78)
Date Type RA Dec Mag Band Observatory
2021-03-08 05:52:13 S 06 38 03.68 +08 17 33.1 L C51
2021-03-08 07:26:17 S 06 38 05.90 +08 16 23.1 L C51
2021-03-08 09:00:21 S 06 38 08.13 +08 15 14.2 L C51
2021-03-08 10:34:36 S 06 38 10.36 +08 14 04.3 L C51
2021-03-08 16:51:04 S 06 38 19.45 +08 09 24.8 L C51
2021-03-08 19:59:22 S 06 38 24.04 +08 07 06.4 L C51
2021-03-08 23:07:30 S 06 38 28.70 +08 04 47.8 L C51
2021-03-13 00:25:56 C 06 41 26.75 +06 53 15.8 u 807
2021-03-13 00:31:46 C 06 41 26.92 +06 53 12.1 u 807
2021-03-13 00:37:35 C 06 41 27.13 +06 53 07.9 u 807
2021-03-15 03:16:00 C 06 43 24.00 +06 15 44.2 o 691
2021-03-15 03:25:27 C 06 43 24.39 +06 15 37.5 o 691
2021-03-15 03:34:55 C 06 43 24.72 +06 15 30.4 o 691
2021-04-13 03:15:21 C 07 35 17.59 -02 32 24.5 o 291
2021-04-13 03:19:20 C 07 35 18.00 -02 32 27.3 o 291
2021-05-01 03:23:48 C 08 29 15.86 -08 42 47.4 o 691
2021-05-01 03:41:21 C 08 29 18.34 -08 43 03.7 o 691
2021-05-01 03:58:52 C 08 29 20.81 -08 43 19.4 o 691
2021-05-17 03:44:14 C 09 31 00.68 -14 28 21.3 o 691
2021-05-17 03:51:25 C 09 31 01.81 -14 28 26.8 o 691
2021-05-17 03:58:36 C 09 31 03.19 -14 28 33.5 o 691
2021-06-01 03:50:20 C 10 39 00.43 -19 22 38.5 o 691
2021-06-01 04:02:09 C 10 39 02.64 -19 22 47.4 o 691
2021-06-12 00:09:31 C 11 31 18.48 -22 07 12.0 u 807
2021-06-12 00:17:01 C 11 31 19.94 -22 07 16.4 u 807
2021-06-12 00:24:20 C 11 31 21.38 -22 07 20.2 u 807
2021-06-12 23:34:34 C 11 36 01.93 -22 19 32.3 u 807
2021-06-12 23:41:56 C 11 36 03.39 -22 19 36.1 u 807