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
2013-07-03 13:55:45 C 21 21 04.27 +12 38 01.0 o F65
2013-07-03 13:57:07 C 21 21 04.39 +12 38 02.1 o F65
2013-07-05 00:55:13 C 21 24 21.35 +13 06 00.4 t 204
2013-07-05 01:10:21 C 21 24 22.69 +13 06 12.5 t 204
2013-07-14 22:15:29 C 21 45 44.19 +15 44 28.6 q A13
2013-07-14 22:36:57 C 21 45 46.12 +15 44 45.5 q A13
2013-07-27 20:48:37 C 22 10 37.54 +17 26 27.3 18.9 q 151
2013-07-27 20:56:59 C 22 10 38.15 +17 26 28.5 18.7 q 151
2013-07-27 21:01:09 C 22 10 38.47 +17 26 28.9 18.7 q 151
2013-07-27 21:05:18 C 22 10 38.78 +17 26 29.5 18.6 q 151
2013-07-30 07:02:04 C 22 14 44.42 +17 30 51.7 r Y00
2013-07-30 07:08:48 C 22 14 44.83 +17 30 50.9 r Y00
2013-07-30 07:15:56 C 22 14 45.27 +17 30 50.5 r Y00
2013-07-31 21:13:03 C 22 17 23.22 +17 30 11.3 19.1 q 151
2013-07-31 21:17:13 C 22 17 23.46 +17 30 11.3 19.0 q 151
2013-07-31 21:21:23 C 22 17 23.70 +17 30 11.3 19.0 q 151
2013-08-12 21:19:59 C 22 34 20.65 +16 19 06.2 u C63
2013-08-12 22:28:03 C 22 34 23.27 +16 18 25.0 u C63
2013-08-19 06:09:00 C 22 41 23.12 +14 54 56.1 u H21
2013-08-19 06:19:12 C 22 41 23.50 +14 54 50.3 u H21
2013-08-19 06:28:53 C 22 41 23.84 +14 54 43.4 u H21
2013-08-26 12:29:45 C 22 47 59.621 +12 48 24.33 L F51
2013-08-26 13:34:25 C 22 48 01.462 +12 47 31.74 L F51
2013-08-26 13:49:39 C 22 48 01.903 +12 47 19.32 L F51
2013-08-28 04:02:32 C 22 49 20.25 +12 16 01.0 N I41
2013-08-28 04:56:20 C 22 49 21.82 +12 15 17.2 N I41
2013-08-28 05:49:18 C 22 49 23.31 +12 14 33.7 N I41
2013-09-01 07:05:30 C 22 52 21.23 +10 51 05.7 q H45
2013-09-01 07:06:48 C 22 52 21.25 +10 51 04.4 q H45
2013-09-01 07:08:42 C 22 52 21.28 +10 51 02.7 q H45
2013-09-01 07:10:37 C 22 52 21.31 +10 51 00.9 q H45
2013-09-01 07:13:15 C 22 52 21.38 +10 50 58.6 q H45
2013-09-01 07:15:04 C 22 52 21.43 +10 50 57.0 q H45
2013-09-01 17:40:53 C 22 52 39.36 +10 41 45.4 q D29
2013-09-01 18:06:40 C 22 52 39.98 +10 41 21.5 q D29
2013-09-01 18:34:09 C 22 52 40.62 +10 40 57.0 q D29
2013-09-02 05:59:14 C 22 52 59.95 +10 31 08.6 r Y00
2013-09-02 06:06:12 C 22 53 00.13 +10 31 02.5 r Y00
2013-09-02 06:13:33 C 22 53 00.27 +10 30 56.3 r Y00
2013-09-03 08:06:45 C 22 53 44.67 +10 07 28.4 q 703
2013-09-03 08:13:11 C 22 53 44.82 +10 07 22.4 q 703
2013-09-03 08:19:35 C 22 53 44.92 +10 07 17.3 q 703
2013-09-03 08:26:02 C 22 53 45.07 +10 07 11.3 q 703
2013-09-03 09:05:15 C 22 53 47.040 +10 06 39.84 L F51
2013-09-03 09:20:44 C 22 53 47.381 +10 06 25.99 L F51
2013-09-03 22:33:02 C 22 54 09.11 +09 54 24.7 c A24
2013-09-03 22:34:04 C 22 54 09.08 +09 54 23.3 c A24
2013-09-03 22:35:06 C 22 54 09.10 +09 54 22.6 c A24
2013-09-03 23:32:36 C 22 54 10.39 +09 53 30.4 c A24
2013-09-03 23:33:38 C 22 54 10.42 +09 53 30.1 c A24