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
2018-10-02 09:04:39 C 00 21 55.963 +05 25 50.31 U F52
2018-10-02 09:05:38 C 00 21 55.952 +05 25 49.57 U F52
2018-10-02 09:21:33 C 00 21 55.680 +05 25 38.62 U F52
2018-10-02 09:22:33 C 00 21 55.664 +05 25 37.97 U F52
2018-10-02 09:38:27 C 00 21 55.391 +05 25 26.92 U F52
2018-10-05 07:01:27 C 00 21 03.93 +04 38 44.2 V G96
2018-10-05 07:09:33 C 00 21 03.81 +04 38 39.1 V G96
2018-10-05 07:17:41 C 00 21 03.69 +04 38 33.8 V G96
2018-10-05 07:25:46 C 00 21 03.56 +04 38 28.5 V G96
2023-05-22 10:56:14 C 21 18 52.632 -01 10 01.92 V G96
2023-05-22 11:03:43 C 21 18 53.593 -01 09 54.22 V G96
2023-05-22 11:11:11 C 21 18 54.580 -01 09 47.05 V G96
2023-05-22 11:18:39 C 21 18 55.501 -01 09 40.46 V G96
2023-06-22 09:44:40 C 22 55 47.665 +10 09 12.38 V G96
2023-06-22 09:51:27 C 22 55 48.515 +10 09 17.82 V G96
2023-06-22 09:58:14 C 22 55 49.339 +10 09 22.82 V G96
2023-06-22 10:05:02 C 22 55 50.178 +10 09 29.12 V G96
2023-06-23 09:32:54 C 22 58 46.416 +10 28 29.68 V G96
2023-06-23 09:40:20 C 22 58 47.262 +10 28 36.30 V G96
2023-06-23 09:47:47 C 22 58 48.158 +10 28 43.50 V G96
2023-06-23 09:55:12 C 22 58 49.084 +10 28 48.54 V G96
2023-06-29 13:41:57 C 23 16 57.143 +12 22 00.79 X F51
2023-06-29 13:56:10 C 23 16 58.788 +12 22 11.01 X F51
2023-06-29 14:24:43 C 23 17 02.144 +12 22 32.02 X F51
2023-07-29 11:55:23 C 00 31 21.632 +18 00 14.64 X F52
2023-07-29 12:06:27 C 00 31 22.489 +18 00 16.84 X F52
2023-07-29 12:17:28 C 00 31 23.367 +18 00 18.80 X F52
2023-09-10 10:40:30 C 01 09 08.197 +13 51 34.13 X F51
2023-09-10 10:55:23 C 01 09 08.016 +13 51 25.00 X F51
2023-09-10 11:26:23 C 01 09 07.639 +13 51 05.73 X F51
2023-09-18 07:33:28 C 01 06 31.442 +11 45 58.54 V G96
2023-09-18 07:42:37 C 01 06 31.244 +11 45 51.84 V G96
2023-09-18 07:50:09 C 01 06 31.086 +11 45 46.94 V G96
2023-09-18 07:57:40 C 01 06 30.913 +11 45 41.51 V G96
2023-09-19 10:16:07 C 01 06 00.242 +11 27 18.58 X F52
2023-09-19 10:32:07 C 01 05 59.861 +11 27 07.44 X F52
2023-09-19 10:48:17 C 01 05 59.474 +11 26 56.16 X F52
2023-09-19 11:04:41 C 01 05 59.087 +11 26 44.66 X F52
2023-10-05 07:19:37 C 00 56 39.422 +06 59 32.42 V G96
2023-10-05 07:27:44 C 00 56 39.181 +06 59 27.24 V G96
2023-10-05 07:35:51 C 00 56 38.951 +06 59 21.66 V G96
2023-10-05 07:43:59 C 00 56 38.724 +06 59 16.15 V G96
2023-10-08 08:13:13 C 00 54 49.618 +06 12 13.31 X F52
2023-10-08 08:30:42 C 00 54 49.139 +06 12 02.20 X F52
2023-10-08 08:48:13 C 00 54 48.647 +06 11 51.20 X F52
2023-10-08 09:05:52 C 00 54 48.151 +06 11 39.95 X F52
2023-10-14 05:55:42 C 00 51 34.132 +04 47 31.52 V G96
2023-10-14 06:03:51 C 00 51 33.923 +04 47 26.77 V G96
2023-10-14 06:12:01 C 00 51 33.736 +04 47 22.27 V G96
2023-10-14 06:20:10 C 00 51 33.570 +04 47 17.88 V G96