491842 (2013 AB53)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4871526258 ± 5.16e-08
Semi-major axis (a)2.4168277918 AU ± 1.47e-08
Inclination (i)5.47097376° ± 7.09e-06
Long. of Asc. Node (Ω)163.95700696° ± 9.10e-05
Arg. of Perihelion (ω)229.48225229° ± 9.21e-05
Mean Anomaly (M)180.64824100° ± 1.24e-05
Mean Motion (n)0.2623274373°/day ± 2.39e-09
Perihelion dist (q)1.23946379 AU ± 1.25e-07
Aphelion dist (Q)3.59419180 AU ± 1.27e-07
Orbital Period3.75723673 yr ± 3.43e-08
Physical Parameters
H (abs. magnitude)18.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.211″
Uncertainty0
Orbit TypeAmor
MOID0.255209 AU
Observations Used97
Oppositions16
Arc Total2002-2024
First Observation Used2002-02-13
Last Observation Used2024-01-28
Observations (100)
Date Type RA Dec Mag Band Observatory
2002-02-13 07:51:01 C 10 34 48.356 +06 48 37.23 e 645
2002-02-13 07:56:01 C 10 34 48.105 +06 48 39.07 22.28 e 645
2008-06-12 08:59:33 C 20 11 50.72 -11 52 45.5 o 691
2008-06-12 09:25:02 C 20 11 50.50 -11 52 43.7 o 691
2008-06-12 09:50:30 C 20 11 50.26 -11 52 41.8 o 691
2009-01-16 02:30:28 C 00 32 23.875 -02 29 39.98 n 645
2009-01-16 02:31:40 C 00 32 24.048 -02 29 39.03 n 645
2009-01-16 02:35:15 C 00 32 24.566 -02 29 35.56 n 645
2013-01-07 04:48:21 C 07 27 35.46 +10 29 33.1 o 926
2013-01-07 05:08:18 C 07 27 34.45 +10 29 41.2 o 926
2013-01-07 05:28:14 C 07 27 33.45 +10 29 49.0 o 926
2013-01-07 12:13:00 C 07 27 13.067 +10 32 33.27 L F51
2013-01-07 12:30:55 C 07 27 12.144 +10 32 40.44 L F51
2013-01-07 12:49:23 C 07 27 11.186 +10 32 47.67 L F51
2013-01-08 09:19:59 C 07 26 12.09 +10 40 59.5 o 291
2013-01-08 09:24:39 C 07 26 11.85 +10 41 01.1 o 291
2013-01-08 09:29:18 C 07 26 11.62 +10 41 03.2 o 291
2013-01-08 14:43:53 C 07 25 57.09 +10 43 09.5 o 300
2013-01-08 14:49:15 C 07 25 56.81 +10 43 11.8 o 300
2013-01-08 14:54:37 C 07 25 56.50 +10 43 14.3 o 300
2013-01-09 01:24:53 C 07 25 26.12 +10 47 28.7 q I89
2013-01-09 01:57:10 C 07 25 24.58 +10 47 41.6 q I89
2013-01-09 02:14:09 C 07 25 23.69 +10 47 47.8 q I89
2013-01-09 04:45:58 C 07 25 17.39 +10 48 50.3 o 926
2013-01-09 05:09:17 C 07 25 16.21 +10 49 00.3 o 926
2013-01-09 05:29:18 C 07 25 15.21 +10 49 08.2 o 926
2013-01-09 06:37:16 C 07 25 11.74 +10 49 35.9 19.1 c 704
2013-01-09 06:55:54 C 07 25 10.78 +10 49 43.0 18.9 c 704
2013-01-09 07:14:44 C 07 25 09.83 +10 49 49.9 19.1 c 704
2013-01-09 07:34:01 C 07 25 08.85 +10 49 58.4 19.0 c 704
2013-01-09 13:57:27 C 07 24 51.06 +10 52 34.3 o 300
2013-01-09 14:01:47 C 07 24 50.88 +10 52 36.3 o 300
2013-01-09 14:06:08 C 07 24 50.64 +10 52 38.0 o 300
2013-01-09 14:10:29 C 07 24 50.37 +10 52 39.4 o 300
2013-01-10 02:41:10 C 07 24 15.37 +10 57 58.7 u 807
2013-01-10 02:47:33 C 07 24 15.05 +10 58 01.3 u 807
2013-01-10 02:53:57 C 07 24 14.74 +10 58 04.0 u 807
2013-01-10 03:00:19 C 07 24 14.43 +10 58 06.5 u 807
2013-01-10 11:57:27 C 07 23 49.46 +11 01 46.9 o E23
2013-01-10 12:07:28 C 07 23 48.94 +11 01 50.2 o E23
2013-01-10 12:17:28 C 07 23 48.47 +11 01 54.9 o E23
2013-01-11 02:59:36 C 07 23 07.69 +11 07 54.8 u 807
2013-01-11 03:05:25 C 07 23 07.41 +11 07 57.6 u 807
2013-01-11 03:11:13 C 07 23 07.16 +11 08 00.2 u 807
2013-01-12 01:21:01 C 07 22 06.02 +11 16 49.8 t 204
2013-01-12 01:32:12 C 07 22 05.49 +11 16 54.4 t 204
2013-01-12 01:43:18 C 07 22 04.96 +11 16 58.9 t 204
2013-01-12 04:48:42 C 07 21 56.94 +11 18 31.3 u 807
2013-01-12 04:53:37 C 07 21 56.70 +11 18 33.2 u 807
2013-01-12 04:57:23 C 07 21 56.52 +11 18 34.6 u 807