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
2008-06-23 04:51:26 C 18 05 02.59 +04 40 03.9 r H45
2008-06-25 07:41:35 C 18 05 49.35 +05 14 15.8 r H45
2008-06-25 07:43:37 C 18 05 49.37 +05 14 17.1 r H45
2008-06-25 07:45:31 C 18 05 49.38 +05 14 18.2 r H45
2008-06-25 07:50:12 C 18 05 49.45 +05 14 21.7 r H45
2008-06-25 07:53:53 C 18 05 49.49 +05 14 23.9 r H45
2008-06-27 00:42:52 C 18 06 29.84 +05 40 21.2 r B09
2008-06-30 07:17:02 C 18 07 54.10 +06 26 17.0 r H45
2008-06-30 07:18:57 C 18 07 54.14 +06 26 18.3 r H45
2008-06-30 07:22:58 C 18 07 54.17 +06 26 20.5 r H45
2008-06-30 07:44:41 C 18 07 54.49 +06 26 32.2 r H45
2008-06-30 07:48:14 C 18 07 54.56 +06 26 33.7 r H45
2008-06-30 22:36:14 C 18 08 12.31 +06 34 27.3 r 113
2008-06-30 22:41:17 C 18 08 12.40 +06 34 30.3 r 113
2008-06-30 22:46:25 C 18 08 12.50 +06 34 33.8 r 113
2008-06-30 22:51:28 C 18 08 12.55 +06 34 35.9 r 113
2008-07-02 03:48:47 C 18 08 47.97 +06 49 39.3 r H45
2008-07-02 03:50:39 C 18 08 48.00 +06 49 40.1 r H45
2008-07-02 03:52:40 C 18 08 48.06 +06 49 40.9 r H45
2008-07-02 03:54:22 C 18 08 48.08 +06 49 41.8 r H45
2008-07-02 03:56:13 C 18 08 48.12 +06 49 43.0 r H45
2008-07-08 07:57:14 C 18 12 18.48 +07 52 03.1 r H45
2008-07-08 07:59:09 C 18 12 18.53 +07 52 03.9 r H45
2008-07-08 08:00:54 C 18 12 18.58 +07 52 04.3 r H45
2008-07-08 08:03:06 C 18 12 18.61 +07 52 05.2 r H45
2008-07-08 08:08:25 C 18 12 18.73 +07 52 07.2 r H45
2008-07-09 21:55:30 C 18 13 25.04 +08 03 59.0 c 442
2008-07-09 21:59:49 C 18 13 25.04 +08 03 59.7 c 442
2008-07-12 07:05:51 C 18 15 12.17 +08 18 42.4 r H45
2008-07-12 07:07:42 C 18 15 12.23 +08 18 43.7 r H45
2008-07-12 07:11:56 C 18 15 12.36 +08 18 44.7 r H45
2008-07-12 07:15:01 C 18 15 12.45 +08 18 44.9 r H45
2008-07-12 07:17:37 C 18 15 12.55 +08 18 45.9 r H45
2008-07-15 08:16:41 C 18 17 48.98 +08 31 41.2 r H45
2008-07-15 08:20:15 C 18 17 49.11 +08 31 41.9 r H45
2008-07-15 08:23:03 C 18 17 49.18 +08 31 42.2 r H45
2008-07-15 08:25:24 C 18 17 49.29 +08 31 42.4 r H45
2008-07-15 08:27:17 C 18 17 49.31 +08 31 42.9 r H45
2008-07-16 06:58:26 C 18 18 42.53 +08 34 21.8 r H45
2008-07-16 07:01:24 C 18 18 42.67 +08 34 22.5 r H45
2008-07-16 07:04:58 C 18 18 42.76 +08 34 22.5 r H45
2008-07-16 07:07:52 C 18 18 42.87 +08 34 23.2 r H45
2008-07-16 07:09:42 C 18 18 42.96 +08 34 23.3 r H45
2008-07-16 07:11:54 C 18 18 43.01 +08 34 23.5 r H45
2008-07-17 04:20:35 C 18 19 35.50 +08 36 16.4 o H55
2008-07-17 04:27:08 C 18 19 35.72 +08 36 17.0 o H55
2008-07-17 04:33:39 C 18 19 35.96 +08 36 17.3 o H55
2008-07-25 05:53:49 C 18 29 01.32 +08 27 27.9 r H45
2008-07-25 06:13:13 C 18 29 02.28 +08 27 24.2 r H45
2008-07-25 06:31:09 C 18 29 03.20 +08 27 21.6 r H45