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
2002-07-14 09:47:28 C 21 19 36.40 -20 40 06.1 c 644
2002-07-14 10:12:19 C 21 19 32.92 -20 39 36.1 c 644
2002-07-14 10:35:55 C 21 19 29.64 -20 39 07.7 c 644
2002-07-18 06:11:00 C 21 07 02.42 -18 47 23.2 c 644
2002-07-18 08:06:06 C 21 06 46.36 -18 45 03.4 c 644
2002-07-18 09:42:51 C 21 06 32.80 -18 43 05.0 c 644
2002-07-22 08:39:31 C 20 53 45.44 -16 47 24.1 c 644
2006-01-07 11:32:04 C 11 28 03.235 -06 23 57.29 645
2006-01-07 11:33:15 C 11 28 03.286 -06 24 00.74 645
2006-01-07 11:36:50 C 11 28 03.430 -06 24 11.38 645
2008-01-12 10:26:05 C 10 43 52.86 +02 02 01.7 r G96
2008-01-12 10:37:50 C 10 43 52.60 +02 01 27.4 r G96
2008-01-12 10:49:41 C 10 43 52.32 +02 00 52.9 r G96
2008-01-12 11:01:32 C 10 43 52.06 +02 00 17.9 r G96
2008-01-12 12:19:03 C 10 43 50.34 +01 56 30.7 r G96
2008-01-12 12:32:16 C 10 43 50.05 +01 55 51.7 r G96
2008-01-12 12:45:37 C 10 43 49.76 +01 55 12.1 r G96
2008-01-13 01:57:19 C 10 43 35.73 +01 16 00.2 o A17
2008-01-13 02:31:18 C 10 43 34.97 +01 14 18.0 o A17
2008-01-13 03:05:16 C 10 43 34.21 +01 12 36.9 o A17
2008-01-13 08:47:41 C 10 43 27.89 +00 55 32.8 c 854
2008-01-13 08:54:35 C 10 43 27.84 +00 55 09.2 c 854
2008-01-13 09:01:29 C 10 43 27.62 +00 54 48.9 c 854
2008-01-14 09:19:12 C 10 42 55.07 -00 19 44.2 o 291
2008-01-14 09:24:54 C 10 42 54.89 -00 20 02.3 o 291
2008-01-14 09:30:20 C 10 42 54.74 -00 20 18.8 o 291
2008-01-15 07:27:49 C 10 42 21.08 -01 29 47.5 o H55
2008-01-15 07:30:39 C 10 42 20.97 -01 29 57.4 o H55
2008-01-15 07:33:34 C 10 42 20.88 -01 30 06.5 o H55
2008-01-19 07:28:43 C 10 39 00.88 -06 56 43.6 r G96
2008-01-19 07:29:22 C 10 39 00.81 -06 56 47.0 r G96
2008-01-19 07:30:03 C 10 39 00.76 -06 56 49.2 r G96
2008-01-19 07:30:44 C 10 39 00.74 -06 56 50.8 r G96
2008-02-05 14:48:35 C 10 02 37.24 -35 47 53.7 o 474
2008-02-05 14:54:28 C 10 02 36.39 -35 48 19.3 o 474
2008-02-05 15:12:12 C 10 02 33.74 -35 49 34.5 o 474
2008-04-09 07:52:30 C 04 35 04.13 -68 49 03.0 o 474
2008-04-09 07:56:09 C 04 35 03.91 -68 49 03.3 o 474
2008-04-09 08:00:10 C 04 35 03.19 -68 49 03.2 o 474
2008-04-09 08:03:50 C 04 35 02.77 -68 49 02.8 o 474
2009-12-16 11:00:44 C 10 04 36.37 +32 52 29.8 o H21
2009-12-16 11:10:54 C 10 04 36.50 +32 52 21.4 o H21
2009-12-16 11:21:04 C 10 04 36.63 +32 52 13.3 o H21
2010-01-11 07:52:41 C 09 48 50.87 +18 56 00.2 o 691
2010-01-11 08:18:13 C 09 48 48.74 +18 55 06.1 o 691
2010-01-11 08:43:47 C 09 48 46.60 +18 54 11.3 o 691
2010-01-18 06:43:18 C 09 32 49.20 +12 05 33.5 19.2 c 704
2010-01-18 07:01:19 C 09 32 47.16 +12 04 43.7 19.4 c 704
2010-01-18 07:19:20 C 09 32 44.91 +12 03 52.4 19.7 c 704
2010-01-18 07:37:24 C 09 32 42.69 +12 03 02.8 19.5 c 704