2008 OC9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2500102028 ± 3.28e-07
Semi-major axis (a)1.1532702503 AU ± 2.00e-08
Inclination (i)29.31631454° ± 7.52e-05
Long. of Asc. Node (Ω)310.61972993° ± 2.89e-06
Arg. of Perihelion (ω)266.72844916° ± 1.73e-05
Mean Anomaly (M)52.91935664° ± 8.56e-05
Mean Motion (n)0.7958214533°/day ± 2.07e-08
Perihelion dist (q)0.86494092 AU ± 3.78e-07
Aphelion dist (Q)1.44159958 AU ± 3.79e-07
Orbital Period1.23850178 yr ± 3.22e-08
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.349″
Uncertainty0
Orbit TypeApollo
MOID0.070559 AU
Observations Used73
Oppositions2
Arc Total2008-2018
First Observation Used2008-07-30
Last Observation Used2018-01-27
Observations (78)
Date Type RA Dec Mag Band Observatory
2008-07-30 17:24:52 C 21 51 17.60 -32 12 10.1 r E12
2008-07-30 17:38:25 C 21 51 04.57 -32 09 04.6 r E12
2008-07-30 17:51:53 C 21 50 51.64 -32 06 02.7 r E12
2008-07-30 18:30:42 C 21 50 14.89 -31 57 18.4 r E12
2008-07-30 18:31:50 C 21 50 13.81 -31 57 03.0 r E12
2008-07-30 18:45:00 C 21 50 01.35 -31 54 03.9 r E12
2008-07-30 18:45:25 C 21 50 00.85 -31 53 58.3 r E12
2008-07-30 18:46:14 C 21 50 00.27 -31 53 48.3 r E12
2008-07-31 13:32:34 C 21 33 48.54 -27 42 37.1 r E12
2008-07-31 13:35:59 C 21 33 45.59 -27 41 51.2 r E12
2008-07-31 13:39:41 C 21 33 42.48 -27 41 02.4 r E12
2008-07-31 13:43:03 C 21 33 39.57 -27 40 17.4 r E12
2008-07-31 13:58:29 C 21 33 26.46 -27 36 52.5 r E12
2008-08-02 15:00:44 C 20 58 48.07 -17 11 11.7 r E12
2008-08-02 15:01:09 C 20 58 47.74 -17 11 05.6 r E12
2008-08-02 15:01:35 C 20 58 47.49 -17 11 01.2 r E12
2008-08-02 15:02:00 C 20 58 47.28 -17 10 56.4 r E12
2008-08-02 15:12:11 C 20 58 40.80 -17 08 54.2 r E12
2008-08-02 15:12:37 C 20 58 40.54 -17 08 49.8 r E12
2008-08-02 15:13:02 C 20 58 40.29 -17 08 44.5 r E12
2008-08-02 15:13:28 C 20 58 40.00 -17 08 40.2 r E12
2008-08-02 21:35:12 C 20 54 59.66 -15 55 54.0 r J95
2008-08-02 21:39:50 C 20 54 57.15 -15 54 51.9 r 213
2008-08-02 21:43:17 C 20 54 54.82 -15 54 22.0 r J95
2008-08-02 21:49:54 C 20 54 51.09 -15 52 54.9 r 213
2008-08-02 21:51:19 C 20 54 50.03 -15 52 47.2 r J95
2008-08-02 22:02:26 C 20 54 43.59 -15 50 29.5 r 213
2008-08-02 22:57:28 C 20 54 10.04 -15 39 56.5 r B33
2008-08-02 23:14:01 C 20 54 00.14 -15 36 46.0 r B33
2008-08-03 04:12:58 C 20 51 14.11 -14 39 44.6 o H55
2008-08-03 04:15:03 C 20 51 12.93 -14 39 21.4 o H55
2008-08-03 04:17:04 C 20 51 11.75 -14 38 58.4 o H55
2008-08-03 04:19:45 C 20 51 10.22 -14 38 28.4 o H55
2008-08-03 21:42:44 C 20 42 02.63 -11 29 14.2 r B67
2008-08-03 21:59:17 C 20 41 54.11 -11 26 21.0 r B67
2008-08-03 22:15:38 C 20 41 45.54 -11 23 27.4 r B67
2008-08-04 04:35:14 C 20 38 41.62 -10 18 14.7 o H55
2008-08-04 04:38:24 C 20 38 40.04 -10 17 42.6 o H55
2008-08-04 04:41:43 C 20 38 38.39 -10 17 09.0 o H55
2008-08-04 04:45:14 C 20 38 36.63 -10 16 33.3 o H55
2008-08-09 02:14:11 C 19 58 15.76 +04 30 58.9 o H55
2008-08-09 02:23:06 C 19 58 13.44 +04 31 46.6 o H55
2008-08-09 02:35:36 C 19 58 10.22 +04 32 53.7 o H55
2008-08-11 05:06:37 C 19 47 22.31 +08 29 47.7 o H55
2008-08-11 05:11:32 C 19 47 21.31 +08 30 06.2 o H55
2008-08-11 05:16:29 C 19 47 20.32 +08 30 27.3 o H55
2008-08-11 05:22:12 C 19 47 19.18 +08 30 51.0 o H55
2008-08-11 05:36:07 C 19 47 16.33 +08 31 47.0 o H55
2018-01-23 09:08:43 C 11 26 48.91 +19 52 11.0 U 703
2018-01-23 09:16:18 C 11 26 47.66 +19 51 21.4 U 703