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
2018-01-23 09:23:54 C 11 26 46.55 +19 50 30.3 U 703
2018-01-23 09:24:52 C 11 26 46.29 +19 50 23.8 U G96
2018-01-23 09:31:29 C 11 26 45.16 +19 49 38.6 U 703
2018-01-23 09:32:23 C 11 26 45.07 +19 49 33.3 U G96
2018-01-23 09:39:54 C 11 26 43.83 +19 48 42.3 U G96
2018-01-23 09:47:24 C 11 26 42.62 +19 47 52.0 U G96
2018-01-23 10:47:42 C 11 26 32.77 +19 41 03.8 U I52
2018-01-23 10:49:06 C 11 26 32.51 +19 40 54.8 U I52
2018-01-23 10:50:29 C 11 26 32.29 +19 40 45.2 U I52
2018-01-23 10:51:53 C 11 26 32.05 +19 40 35.8 U I52
2018-01-23 23:26:54 C 11 24 41.72 +18 12 06.7 U Z84
2018-01-23 23:44:41 C 11 24 38.79 +18 09 59.0 U Z84
2018-01-24 01:28:22 C 11 24 20.09 +17 57 21.3 S L01
2018-01-24 01:30:52 C 11 24 19.71 +17 57 02.4 S L01
2018-01-24 01:33:22 C 11 24 19.28 +17 56 43.9 S L01
2018-01-24 01:44:49 C 11 24 17.36 +17 55 20.4 S L01
2018-01-24 01:49:40 C 11 24 16.48 +17 54 44.8 S L01
2018-01-24 03:29:10 C 11 23 59.56 +17 42 32.3 U 204
2018-01-24 03:45:31 C 11 23 56.73 +17 40 30.9 U 204
2018-01-24 04:00:02 C 11 23 54.22 +17 38 42.8 U 204
2018-01-24 09:11:33 C 11 23 06.78 +16 59 56.9 U G96
2018-01-24 09:19:01 C 11 23 05.45 +16 59 00.4 U G96
2018-01-24 09:26:28 C 11 23 04.12 +16 58 04.2 U G96
2018-01-24 09:33:53 C 11 23 02.76 +16 57 07.1 U G96
2018-01-27 09:52:11 C 11 08 56.13 +05 49 01.0 U G96
2018-01-27 09:59:39 C 11 08 54.25 +05 47 38.7 U G96
2018-01-27 10:07:08 C 11 08 52.34 +05 46 15.9 U G96
2018-01-27 10:14:38 C 11 08 50.46 +05 44 53.2 U G96