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
2008-08-18 03:44:47 C 20 14 43.92 -20 20 09.5 o H55
2008-08-18 04:06:55 C 20 14 43.95 -20 20 21.5 o H55
2008-08-19 04:06:16 C 20 14 51.85 -20 32 30.2 o H55
2008-08-19 04:14:05 C 20 14 51.86 -20 32 33.9 o H55
2008-08-19 04:21:54 C 20 14 51.87 -20 32 37.8 o H55
2008-08-25 04:12:03 C 20 16 19.62 -21 29 03.8 o H55
2008-08-25 04:21:58 C 20 16 19.71 -21 29 07.3 o H55
2008-08-25 04:31:54 C 20 16 19.82 -21 29 09.9 o H55
2008-08-25 04:41:47 C 20 16 19.91 -21 29 13.4 o H55
2008-08-28 02:59:07 C 20 17 26.42 -21 48 29.9 o H55
2008-08-28 03:10:29 C 20 17 26.56 -21 48 32.4 o H55
2008-08-28 03:22:20 C 20 17 26.69 -21 48 35.6 o H55
2008-09-01 02:16:42 C 20 19 18.33 -22 07 53.0 o H55
2008-09-01 02:36:23 C 20 19 18.65 -22 07 56.8 o H55
2008-09-01 02:55:30 C 20 19 18.98 -22 08 00.9 o H55
2016-01-12 03:42:16 C 04 43 05.83 +11 03 15.0 o 926
2016-01-12 03:53:30 C 04 43 04.68 +11 03 16.1 o 926
2016-01-12 04:04:42 C 04 43 03.57 +11 03 17.6 o 926
2016-01-13 03:41:18 C 04 40 43.23 +11 06 06.2 o 926
2016-01-13 03:52:29 C 04 40 42.13 +11 06 08.9 o 926
2016-01-13 04:03:42 C 04 40 41.03 +11 06 09.2 o 926
2016-01-13 04:14:52 C 04 40 39.89 +11 06 10.4 o 926
2016-01-13 04:26:04 C 04 40 38.74 +11 06 12.4 o 926
2016-01-13 04:37:17 C 04 40 37.59 +11 06 12.8 o 926
2016-01-13 05:38:44 C 04 40 31.979 +11 06 23.41 L F51
2016-01-13 05:55:01 C 04 40 30.325 +11 06 25.46 L F51
2016-01-13 06:11:14 C 04 40 28.682 +11 06 27.57 L F51
2016-01-27 04:37:33 C 04 12 01.69 +12 10 28.0 o 291
2016-01-27 04:52:41 C 04 12 00.61 +12 10 31.8 o 291
2016-01-27 05:07:54 C 04 11 59.51 +12 10 35.0 o 291
2016-02-07 03:24:26 C 03 57 10.77 +13 30 59.3 o 691
2016-02-07 03:31:40 C 03 57 10.51 +13 31 02.5 o 691
2016-02-07 03:38:55 C 03 57 10.10 +13 31 06.6 o 691
2016-02-29 03:18:43 C 03 45 18.83 +17 24 52.0 o 291
2016-02-29 03:31:11 C 03 45 18.70 +17 24 57.8 o 291
2016-02-29 03:43:38 C 03 45 18.56 +17 25 04.1 o 291
2016-07-15 09:19:01 C 00 04 22.74 -00 03 02.3 o 291
2016-07-15 09:25:29 C 00 04 22.50 -00 03 06.3 o 291
2016-07-15 09:31:57 C 00 04 22.23 -00 03 10.4 o 291
2016-07-29 14:02:41 C 23 46 25.908 -04 06 34.34 L F51
2016-07-29 14:18:40 C 23 46 24.792 -04 06 46.25 L F51
2023-12-05 15:03:10 C 08 02 14.068 +09 52 33.84 X F52
2023-12-05 15:11:30 C 08 02 14.298 +09 52 31.06 X F52
2023-12-05 15:19:51 C 08 02 14.527 +09 52 28.29 X F52
2024-01-07 12:34:04 C 08 10 26.931 +05 48 09.17 X F51
2024-01-07 12:50:33 C 08 10 26.512 +05 48 03.56 X F51
2024-01-07 13:01:58 C 08 10 26.222 +05 47 59.73 X F51
2024-01-07 13:06:55 C 08 10 26.094 +05 47 58.05 X F51
2024-01-07 13:18:20 C 08 10 25.810 +05 47 54.19 X F51
2024-01-07 13:23:19 C 08 10 25.685 +05 47 52.56 X F51
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)