315508 (2008 AB31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3205221962 ± 1.08e-07
Semi-major axis (a)1.6021134774 AU ± 1.22e-08
Inclination (i)30.01714990° ± 2.17e-05
Long. of Asc. Node (Ω)302.98306169° ± 7.22e-06
Arg. of Perihelion (ω)255.64879298° ± 2.33e-05
Mean Anomaly (M)250.60894318° ± 5.16e-05
Mean Motion (n)0.4860403953°/day ± 5.56e-09
Perihelion dist (q)1.08860055 AU ± 1.73e-07
Aphelion dist (Q)2.11562641 AU ± 1.73e-07
Orbital Period2.02786907 yr ± 2.32e-08
Physical Parameters
H (abs. magnitude)20.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.359″
Uncertainty0
Orbit TypeAmor
MOID0.293703 AU
Observations Used85
Oppositions9
Arc Total2002-2019
First Observation Used2002-07-14
Last Observation Used2019-12-19
Observations (124)
Date Type RA Dec Mag Band Observatory
2012-01-26 01:48:13 C 07 48 30.33 +22 08 03.5 o B67
2012-01-26 03:31:26 C 07 48 14.76 +22 03 27.7 o 691
2012-01-26 03:42:24 C 07 48 12.89 +22 02 58.0 o 691
2012-01-26 03:53:23 C 07 48 10.98 +22 02 28.6 o 691
2012-01-30 03:53:11 C 07 32 02.48 +17 29 07.9 19.1 c 704
2012-01-30 04:11:14 C 07 31 59.50 +17 28 13.7 19.7 c 704
2012-01-30 04:29:16 C 07 31 56.40 +17 27 21.6 19.4 c 704
2012-01-30 04:48:07 C 07 31 53.19 +17 26 26.1 19.4 c 704
2014-01-09 06:47:18 C 07 38 46.38 +46 14 42.4 q 448
2014-01-09 07:34:17 C 07 38 38.39 +46 13 44.9 q 448
2014-01-09 08:29:09 C 07 38 28.99 +46 12 36.9 q 448
2014-01-12 07:09:59 C 07 26 43.19 +44 37 11.8 q 448
2014-01-12 07:56:51 C 07 26 35.04 +44 36 02.7 q 448
2014-01-12 08:38:30 C 07 26 27.84 +44 35 01.4 q 448
2014-01-17 05:43:41 C 07 07 00.42 +41 20 11.5 q 448
2014-01-17 06:14:26 C 07 06 55.24 +41 19 14.5 q 448
2014-01-17 06:58:44 C 07 06 47.79 +41 17 53.2 q 448
2014-01-24 06:14:40 C 06 41 04.23 +35 27 08.5 q G96
2014-01-24 06:21:29 C 06 41 03.18 +35 26 52.8 q G96
2014-01-24 06:28:22 C 06 41 02.19 +35 26 36.5 q G96
2014-01-24 06:35:11 C 06 41 01.20 +35 26 20.7 q G96
2019-12-19 03:31:35 C 05 14 22.25 +65 54 38.6 u H21
2019-12-19 03:35:46 C 05 14 21.53 +65 54 35.4 u H21
2019-12-19 03:46:47 C 05 14 19.33 +65 54 26.6 u H21