612558 (2003 OB4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5547616970 ± 3.90e-08
Semi-major axis (a)2.9071352242 AU ± 8.82e-09
Inclination (i)8.11437520° ± 3.37e-06
Long. of Asc. Node (Ω)194.87846125° ± 2.12e-05
Arg. of Perihelion (ω)112.44712692° ± 3.29e-05
Mean Anomaly (M)172.97929427° ± 6.53e-06
Mean Motion (n)0.1988448861°/day ± 9.05e-10
Perihelion dist (q)1.29436795 AU ± 1.13e-07
Aphelion dist (Q)4.51990249 AU ± 1.14e-07
Orbital Period4.95675953 yr ± 2.26e-08
Physical Parameters
H (abs. magnitude)19.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.338″
Uncertainty0
Orbit TypeAmor
MOID0.314683 AU
Observations Used334
Oppositions16
Arc Total2003-2023
First Observation Used2003-06-01
Last Observation Used2023-10-16
Observations (356)
Date Type RA Dec Mag Band Observatory
2013-09-03 23:34:41 C 22 54 10.41 +09 53 28.7 c A24
2013-09-04 22:51:42 C 22 54 48.46 +09 32 26.2 c A24
2013-09-04 23:03:16 C 22 54 48.71 +09 32 15.6 c A24
2013-09-04 23:11:09 C 22 54 48.89 +09 32 08.4 c A24
2013-09-04 23:16:56 C 22 54 49.03 +09 32 03.1 c A24
2013-09-04 23:25:52 C 22 54 49.22 +09 31 55.2 c A24
2013-09-04 23:31:38 C 22 54 49.31 +09 31 50.1 c A24
2013-09-04 23:51:05 C 22 54 49.75 +09 31 32.3 c A24
2013-09-05 22:02:19 C 22 55 25.72 +09 11 23.0 c A24
2013-09-05 22:03:21 C 22 55 25.64 +09 11 22.6 c A24
2013-09-09 21:50:37 C 22 57 53.25 +07 44 09.8 c A24
2013-09-09 22:02:02 C 22 57 53.49 +07 43 59.4 c A24
2013-09-09 22:09:48 C 22 57 53.65 +07 43 52.4 c A24
2013-09-09 22:15:30 C 22 57 53.77 +07 43 47.6 c A24
2013-09-09 22:24:19 C 22 57 53.93 +07 43 39.6 c A24
2013-09-09 22:30:01 C 22 57 54.02 +07 43 33.9 c A24
2013-09-09 22:37:48 C 22 57 54.22 +07 43 27.3 c A24
2013-09-14 06:45:53 C 23 00 28.83 +06 10 12.3 q 703
2013-09-14 06:56:26 C 23 00 29.09 +06 10 02.9 q 703
2013-09-14 07:07:01 C 23 00 29.35 +06 09 52.9 q 703
2013-09-14 07:17:32 C 23 00 29.65 +06 09 44.2 q 703
2013-09-22 06:42:27 C 23 05 15.29 +03 29 54.8 q 448
2013-09-22 06:55:46 C 23 05 15.49 +03 29 44.2 q 448
2013-09-22 07:11:28 C 23 05 15.84 +03 29 32.4 q 448
2013-09-29 14:39:35 C 23 09 55.20 +01 23 37.4 q D29
2013-09-29 15:02:29 C 23 09 55.75 +01 23 22.7 q D29
2013-10-01 05:21:26 C 23 11 00.57 +00 59 01.4 q 703
2013-10-01 05:28:39 C 23 11 00.81 +00 58 58.0 q 703
2013-10-01 05:35:59 C 23 11 00.95 +00 58 52.7 q 703
2013-10-01 05:43:06 C 23 11 01.09 +00 58 48.1 q 703
2013-10-01 05:50:17 C 23 11 01.29 +00 58 43.6 q 703
2013-10-01 19:42:06 C 23 11 25.38 +00 50 09.3 q 621
2013-10-01 20:17:34 C 23 11 26.41 +00 49 47.3 q 621
2013-10-01 20:53:02 C 23 11 27.28 +00 49 26.3 q 621
2013-10-10 09:17:45 C 23 17 45.449 -00 57 15.50 L F51
2013-10-10 09:34:45 C 23 17 45.948 -00 57 22.95 L F51
2013-10-21 07:31:40 C 23 27 14.191 -02 24 38.30 L F51
2013-10-21 08:54:29 C 23 27 17.151 -02 24 57.66 L F51
2013-10-21 09:10:52 C 23 27 17.739 -02 25 01.19 L F51
2018-05-16 09:43:53 C 20 31 58.15 -04 19 58.2 U G96
2018-05-16 09:53:12 C 20 31 59.28 -04 19 50.3 U G96
2018-05-16 10:02:32 C 20 32 00.40 -04 19 41.9 U G96
2018-05-16 10:11:49 C 20 32 01.51 -04 19 33.5 U G96
2018-06-13 10:02:21 C 21 55 39.22 +06 20 00.7 U G96
2018-06-13 10:09:54 C 21 55 40.12 +06 20 08.9 U G96
2018-06-13 10:19:06 C 21 55 41.25 +06 20 17.0 U G96
2018-06-13 10:23:45 C 21 55 41.80 +06 20 21.2 U G96
2018-06-13 10:28:20 C 21 55 42.36 +06 20 25.9 U G96
2018-06-13 10:33:21 C 21 55 42.97 +06 20 30.6 U G96
2018-06-13 10:43:01 C 21 55 44.12 +06 20 39.8 U G96