2008 OS7

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6466614054 ± 1.44e-08
Semi-major axis (a)1.9099458824 AU ± 2.32e-09
Inclination (i)7.03985905° ± 3.82e-06
Long. of Asc. Node (Ω)136.80779921° ± 4.91e-06
Arg. of Perihelion (ω)73.36372948° ± 6.30e-06
Mean Anomaly (M)228.69398202° ± 2.43e-07
Mean Motion (n)0.3734054767°/day ± 6.80e-10
Perihelion dist (q)0.67485759 AU ± 2.76e-08
Aphelion dist (Q)3.14503417 AU ± 2.78e-08
Orbital Period2.63956033 yr ± 4.80e-09
Physical Parameters
H (abs. magnitude)20.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.284″
Uncertainty0
Orbit TypeApollo
MOID0.010769 AU
Observations Used402
Radar Obs Used6
Oppositions10
Arc Total2008-2024
First Observation Used2008-07-30
Last Observation Used2024-02-02
Observations (479)
Date Type RA Dec Mag Band Observatory
2008-08-02 22:59:15 C 20 18 07.56 -14 13 05.8 r B38
2008-08-02 23:34:47 C 20 18 06.38 -14 14 09.6 v 204
2008-08-02 23:38:06 C 20 18 06.27 -14 14 15.5 v 204
2008-08-02 23:41:25 C 20 18 06.15 -14 14 21.3 v 204
2008-08-02 23:44:44 C 20 18 06.03 -14 14 27.1 v 204
2008-08-02 23:48:02 C 20 18 05.92 -14 14 33.1 v 204
2008-08-03 03:56:07 C 20 18 00.25 -14 21 48.6 o H55
2008-08-03 04:01:12 C 20 18 00.07 -14 21 57.7 o H55
2008-08-03 04:03:42 C 20 17 59.99 -14 22 02.0 o H55
2008-08-03 04:06:13 C 20 17 59.90 -14 22 06.3 o H55
2008-08-03 04:08:50 C 20 17 59.80 -14 22 11.0 o H55
2008-08-03 04:21:27 C 20 17 59.41 -14 22 32.6 r H53
2008-08-03 04:23:17 C 20 17 59.33 -14 22 36.4 r H53
2008-08-03 04:25:16 C 20 17 59.31 -14 22 39.2 r H53
2008-08-03 04:27:22 C 20 17 59.25 -14 22 44.1 r H53
2008-08-03 04:29:17 C 20 17 59.12 -14 22 47.1 r H53
2008-08-03 04:31:30 C 20 17 59.08 -14 22 50.4 r H53
2008-08-03 20:52:20 C 20 17 33.86 -14 50 35.4 o 151
2008-08-03 20:54:01 C 20 17 33.80 -14 50 38.0 o 151
2008-08-03 20:55:42 C 20 17 33.74 -14 50 40.7 o 151
2008-08-03 20:57:23 C 20 17 33.69 -14 50 43.3 o 151
2008-08-03 20:59:04 C 20 17 33.64 -14 50 45.6 o 151
2008-08-03 21:00:45 C 20 17 33.58 -14 50 48.6 o 151
2008-08-03 21:02:26 C 20 17 33.52 -14 50 51.6 o 151
2008-08-04 04:08:58 C 20 17 22.92 -15 02 20.3 o H55
2008-08-04 04:15:05 C 20 17 22.71 -15 02 30.2 o H55
2008-08-04 04:21:14 C 20 17 22.51 -15 02 39.9 o H55
2008-08-04 04:26:29 C 20 17 22.34 -15 02 48.5 o H55
2008-08-04 05:09:52 C 20 17 21.61 -15 03 55.2 18.3 c 704
2008-08-04 05:26:51 C 20 17 21.04 -15 04 22.1 18.5 c 704
2008-08-04 05:43:35 C 20 17 20.49 -15 04 48.9 18.6 c 704
2008-08-04 06:16:48 C 20 17 19.39 -15 05 41.9 18.4 c 704
2008-08-05 21:12:08 C 20 16 29.90 -16 03 13.4 o 151
2008-08-05 21:14:13 C 20 16 29.87 -16 03 16.0 o 151
2008-08-05 21:16:19 C 20 16 29.85 -16 03 18.9 o 151
2008-08-08 21:07:41 C 20 15 23.50 -17 30 31.8 r 147
2008-08-08 21:17:11 C 20 15 23.34 -17 30 42.0 r 147
2008-08-08 21:26:42 C 20 15 23.15 -17 30 53.2 r 147
2008-08-09 03:46:21 C 20 15 19.04 -17 37 30.9 o H55
2008-08-09 03:52:02 C 20 15 18.94 -17 37 36.9 o H55
2008-08-12 03:03:20 C 20 14 44.51 -18 43 56.5 o H55
2008-08-12 03:12:01 C 20 14 44.41 -18 44 03.9 o H55
2008-08-12 03:20:44 C 20 14 44.32 -18 44 11.3 o H55
2008-08-12 03:29:25 C 20 14 44.22 -18 44 18.3 o H55
2008-08-16 04:31:24 C 20 14 34.47 -19 53 24.6 o H55
2008-08-16 04:41:32 C 20 14 34.48 -19 53 30.6 o H55
2008-08-16 04:51:41 C 20 14 34.49 -19 53 36.7 o H55
2008-08-17 03:50:36 C 20 14 38.27 -20 07 06.2 o H55
2008-08-17 04:01:14 C 20 14 38.21 -20 07 12.2 o H55
2008-08-17 04:11:16 C 20 14 38.16 -20 07 17.8 o H55
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2024-01-30 07:00:00 904068.5 0.2 Hz 8560 -14 -14
2024-01-30 07:10:00 39528441 10 us 8560 -14 -14
2024-01-30 07:40:00 39339053 1 us 8560 -14 -14
2024-01-31 01:50:00 32634036.99 0.3 us 8560 -14 -14
2024-02-01 02:20:00 674012.729 0.2 Hz 8560 -13 -14
2024-02-02 10:42:00 66500.962 0.05 Hz 7159.45 -47 -43
Station codes
-47 DSS-47 ATCA (W196) -43 DSS-43 Tidbinbilla (70-m) -14 DSS-14 Goldstone (70-m) -13 DSS-13 Goldstone (34-m)