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
2013-01-12 05:02:01 C 07 21 56.30 +11 18 36.7 u 807
2013-01-12 05:06:03 C 07 21 56.10 +11 18 38.3 u 807
2013-01-20 04:34:07 C 07 14 11.98 +12 36 59.9 q H21
2013-01-20 04:41:06 C 07 14 11.74 +12 37 03.0 q H21
2013-01-20 04:48:06 C 07 14 11.43 +12 37 06.0 q H21
2013-01-20 04:55:18 C 07 14 11.18 +12 37 08.9 q H21
2013-01-31 00:39:42 C 07 07 14.28 +14 17 20.8 u 807
2013-01-31 00:48:30 C 07 07 14.11 +14 17 24.4 u 807
2013-01-31 00:57:36 C 07 07 13.94 +14 17 27.4 u 807
2013-01-31 01:06:44 C 07 07 13.71 +14 17 31.3 u 807
2013-01-31 07:33:55 C 07 07 06.32 +14 19 39.8 o 291
2013-01-31 07:58:03 C 07 07 05.78 +14 19 49.0 o 291
2013-02-03 10:13:42 C 07 05 59.484 +14 45 52.21 t 568
2013-02-03 10:15:10 C 07 05 59.462 +14 45 52.71 t 568
2013-02-04 04:47:40 C 07 05 46.65 +14 52 07.2 u H21
2013-02-04 04:54:13 C 07 05 46.54 +14 52 09.7 u H21
2013-02-04 04:56:24 C 07 05 46.52 +14 52 10.5 u H21
2013-02-12 03:34:19 C 07 04 55.46 +15 51 55.0 q H21
2013-02-12 03:41:59 C 07 04 55.45 +15 51 57.2 q H21
2013-02-12 03:49:50 C 07 04 55.44 +15 51 59.6 q H21
2013-02-12 03:57:56 C 07 04 55.42 +15 52 01.9 q H21
2013-02-14 03:53:21 C 07 05 05.69 +16 05 33.0 u H21
2013-02-14 03:59:49 C 07 05 05.71 +16 05 34.7 u H21
2013-02-14 04:06:07 C 07 05 05.73 +16 05 36.5 u H21
2013-02-14 04:24:31 C 07 05 05.81 +16 05 41.4 u H21
2015-05-20 07:41:56 C 16 31 02.98 -13 48 55.8 L W84
2015-05-20 07:46:34 C 16 31 02.79 -13 48 55.3 L W84
2015-05-20 07:51:16 C 16 31 02.59 -13 48 54.4 L W84
2015-05-20 08:00:33 C 16 31 02.17 -13 48 53.0 L W84
2015-05-24 07:27:46 C 16 27 02.25 -13 36 16.1 L W84
2015-05-24 07:32:26 C 16 27 02.04 -13 36 15.6 L W84
2015-05-24 07:37:05 C 16 27 01.84 -13 36 15.0 L W84
2015-05-24 07:41:46 C 16 27 01.65 -13 36 14.2 L W84
2015-05-24 07:46:27 C 16 27 01.44 -13 36 13.6 L W84
2017-01-08 09:41:02 C 11 00 23.77 +03 10 45.8 u H21
2017-01-08 09:57:25 C 11 00 23.55 +03 10 47.7 u H21
2017-01-08 10:15:33 C 11 00 23.33 +03 10 50.4 u H21
2017-01-26 12:31:28 C 10 50 34.417 +04 37 39.74 L F51
2017-01-26 12:48:10 C 10 50 33.809 +04 37 44.83 L F51
2017-02-25 07:33:23 C 10 19 15.97 +08 47 45.0 q G96
2017-02-25 07:40:16 C 10 19 15.68 +08 47 47.3 q G96
2017-02-25 07:47:14 C 10 19 15.27 +08 47 49.2 q G96
2017-02-25 07:54:05 C 10 19 15.00 +08 47 52.4 q G96
2023-10-31 05:11:37 C 20 02 45.998 -20 18 49.55 X F51
2023-10-31 05:19:02 C 20 02 46.738 -20 18 48.74 X F51
2023-10-31 05:26:28 C 20 02 47.476 -20 18 48.09 X F51
2024-01-28 05:46:20 C 00 48 31.063 -00 06 10.17 X F52
2024-01-28 05:51:56 C 00 48 31.882 -00 06 05.04 X F52
2024-01-28 05:57:31 C 00 48 32.696 -00 06 00.17 X F52
2024-01-28 06:03:06 C 00 48 33.502 -00 05 55.11 X F52