138524 (2000 OJ8)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5676710176 ± 5.98e-09
Semi-major axis (a)2.3577579692 AU ± 1.89e-09
Inclination (i)6.24493720° ± 1.28e-06
Long. of Asc. Node (Ω)226.56772153° ± 9.33e-06
Arg. of Perihelion (ω)181.28687025° ± 9.28e-06
Mean Anomaly (M)316.74838439° ± 1.64e-06
Mean Motion (n)0.2722472139°/day ± 3.28e-10
Perihelion dist (q)1.01932710 AU ± 1.41e-08
Aphelion dist (Q)3.69618883 AU ± 1.44e-08
Orbital Period3.62033561 yr ± 4.36e-09
Physical Parameters
H (abs. magnitude)16.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.291″
Uncertainty0
Orbit TypeAmor
MOID0.027569 AU
Observations Used986
Radar Obs Used1
Oppositions8
Arc Total2000-2025
First Observation Used2000-07-30
Last Observation Used2025-07-28
Observations (1052)
Date Type RA Dec Mag Band Observatory
2012-02-21 19:29:21 C 08 13 34.70 +05 16 30.3 c A24
2012-02-21 19:51:53 C 08 13 34.61 +05 16 40.2 c A24
2012-02-21 20:14:55 C 08 13 34.52 +05 16 50.2 c A24
2012-02-21 20:37:27 C 08 13 34.35 +05 16 59.1 c A24
2012-02-21 20:39:33 C 08 13 34.43 +05 17 01.4 c A24
2012-02-22 06:55:27 C 08 13 32.73 +05 21 34.7 u H45
2012-02-22 06:59:30 C 08 13 32.73 +05 21 36.0 u H45
2012-02-22 07:02:58 C 08 13 32.71 +05 21 37.3 u H45
2012-02-22 07:04:40 C 08 13 32.70 +05 21 38.4 u H45
2012-02-22 07:07:01 C 08 13 32.68 +05 21 39.7 u H45
2012-02-22 19:14:31 C 08 13 32.75 +05 26 55.0 c A24
2012-02-22 19:16:35 C 08 13 32.74 +05 26 56.4 c A24
2012-02-22 19:39:55 C 08 13 32.67 +05 27 06.0 c A24
2012-02-24 19:34:22 C 08 13 35.76 +05 47 27.7 c A24
2012-02-24 19:35:24 C 08 13 35.75 +05 47 28.0 c A24
2012-02-24 19:36:27 C 08 13 35.83 +05 47 28.1 c A24
2012-02-24 19:37:29 C 08 13 35.78 +05 47 28.8 c A24
2012-02-24 20:44:30 C 08 13 35.84 +05 47 57.3 c A24
2012-02-24 20:45:32 C 08 13 35.75 +05 47 56.8 c A24
2012-02-24 20:46:34 C 08 13 35.81 +05 47 56.9 c A24
2012-02-24 20:47:36 C 08 13 35.81 +05 47 58.2 c A24
2012-02-25 19:35:27 C 08 13 40.76 +05 57 18.6 c A24
2012-02-25 19:37:32 C 08 13 40.81 +05 57 19.9 c A24
2012-02-25 19:59:26 C 08 13 40.86 +05 57 28.8 c A24
2012-02-25 20:21:51 C 08 13 40.90 +05 57 37.6 c A24
2012-02-25 20:43:44 C 08 13 40.95 +05 57 46.5 c A24
2012-02-25 20:45:48 C 08 13 40.97 +05 57 47.5 c A24
2012-02-26 05:13:04 C 08 13 43.21 +06 01 13.9 r 703
2012-02-26 05:21:02 C 08 13 43.21 +06 01 17.2 r 703
2012-02-26 05:29:11 C 08 13 43.28 +06 01 21.1 r 703
2012-02-26 05:37:14 C 08 13 43.28 +06 01 24.3 r 703
2012-02-26 19:40:03 C 08 13 48.03 +06 06 57.5 u C01
2012-02-26 19:43:26 C 08 13 48.04 +06 06 58.8 u C01
2012-02-26 19:46:50 C 08 13 48.05 +06 07 00.2 u C01
2012-02-26 19:50:13 C 08 13 48.06 +06 07 01.6 u C01
2012-02-26 19:53:36 C 08 13 48.07 +06 07 02.9 u C01
2012-02-26 20:56:38 C 08 13 48.31 +06 07 27.9 u C01
2012-02-26 21:00:01 C 08 13 48.33 +06 07 29.2 u C01
2012-02-26 21:03:24 C 08 13 48.34 +06 07 30.5 u C01
2012-02-26 21:06:48 C 08 13 48.35 +06 07 32.0 u C01
2012-02-26 21:10:12 C 08 13 48.37 +06 07 33.3 u C01
2012-02-27 01:17:23 C 08 13 50.20 +06 09 13.2 u I17
2012-02-27 01:39:25 C 08 13 50.13 +06 09 20.5 u I17
2012-03-13 22:35:11 C 08 20 20.55 +08 10 46.4 c A24
2012-03-13 22:56:41 C 08 20 21.07 +08 10 51.4 c A24
2012-03-14 03:45:35 C 08 20 29.04 +08 12 04.3 r 703
2012-03-14 03:52:50 C 08 20 29.18 +08 12 05.3 r 703
2012-03-14 04:00:08 C 08 20 29.43 +08 12 07.0 r 703
2012-03-14 04:08:43 C 08 20 29.61 +08 12 09.9 r 703
2012-03-14 22:09:48 C 08 20 58.94 +08 16 26.7 c A24
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-10-20 09:54:00 134159626.89 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)