IAA RAS IAA Minor Planet Database

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
2011-09-30 19:31:34 C 02 43 06.16 +44 33 58.3 – u C01
2011-09-30 20:17:07 C 02 43 28.66 +44 35 00.3 – u C01
2011-09-30 20:18:00 C 02 43 29.04 +44 35 01.3 – u C01
2011-09-30 20:18:55 C 02 43 29.49 +44 35 02.6 – u C01
2011-09-30 20:19:47 C 02 43 29.93 +44 35 03.8 – u C01
2011-09-30 20:20:40 C 02 43 30.34 +44 35 05.0 – u C01
2011-10-01 20:25:16 C 02 55 46.05 +45 02 42.0 – u 476
2011-10-01 20:40:14 C 02 55 53.83 +45 02 59.7 – u 476
2011-10-01 20:49:05 C 02 55 58.02 +45 03 06.6 – o C60
2011-10-01 20:49:58 C 02 55 58.50 +45 03 07.8 – o C60
2011-10-01 20:50:52 C 02 55 58.93 +45 03 09.4 – o C60
2011-10-01 20:51:45 C 02 55 59.49 +45 03 10.3 – o C60
2011-10-01 20:52:39 C 02 55 59.87 +45 03 10.7 – o C60
2011-10-01 20:53:32 C 02 56 00.33 +45 03 11.6 – o C60
2011-10-01 20:54:25 C 02 56 00.83 +45 03 13.2 – o C60
2011-10-01 20:55:20 C 02 56 01.29 +45 03 14.0 – o C60
2011-10-01 20:56:12 C 02 56 01.76 +45 03 15.2 – o C60
2011-10-01 22:54:50 C 02 57 02.81 +45 05 29.4 – c 127
2011-10-01 22:57:12 C 02 57 04.04 +45 05 32.0 – c 127
2011-10-01 23:03:12 C 02 57 07.11 +45 05 38.7 – c 127
2011-10-02 00:27:50 C 02 57 51.17 +45 07 16.3 – w J52
2011-10-02 00:30:37 C 02 57 52.61 +45 07 19.2 – w J52
2011-10-02 00:36:19 C 02 57 55.49 +45 07 25.4 – w J52
2011-10-02 19:06:03 C 03 07 51.44 +45 23 54.2 – o C60
2011-10-02 19:06:36 C 03 07 51.78 +45 23 54.7 – o C60
2011-10-02 19:07:11 C 03 07 52.08 +45 23 55.3 – o C60
2011-10-02 19:07:45 C 03 07 52.38 +45 23 55.9 – o C60
2011-10-02 19:08:18 C 03 07 52.70 +45 23 56.4 – o C60
2011-10-02 19:08:53 C 03 07 52.99 +45 23 56.9 – o C60
2011-10-02 19:09:27 C 03 07 53.34 +45 23 57.5 – o C60
2011-10-02 19:10:00 C 03 07 53.62 +45 23 58.2 – o C60
2011-10-02 19:10:35 C 03 07 53.95 +45 23 58.5 – o C60
2011-10-02 19:11:09 C 03 07 54.27 +45 23 59.2 – o C60
2011-10-02 20:21:52 C 03 08 32.87 +45 25 06.9 – c 127
2011-10-02 20:25:16 C 03 08 34.74 +45 25 09.9 – c 127
2011-10-02 20:29:04 C 03 08 36.80 +45 25 13.8 – c 127
2011-10-02 20:40:41 C 03 08 43.11 +45 25 24.6 – c 127
2011-10-03 02:58:44 C 03 12 05.92 +45 30 50.3 – c A24
2011-10-03 02:59:07 C 03 12 06.12 +45 30 50.5 – c A24
2011-10-04 00:30:33 C 03 24 14.92 +45 44 42.8 – c A24
2011-10-04 00:30:55 C 03 24 15.12 +45 44 43.0 – c A24
2011-10-04 01:37:22 C 03 24 51.97 +45 45 19.8 – c A24
2011-10-04 01:37:44 C 03 24 52.17 +45 45 19.9 – c A24
2011-10-08 16:51:04 C 04 32 08.65 +45 24 06.1 – u 379
2011-10-08 16:59:02 C 04 32 13.39 +45 23 58.8 – u 379
2011-10-08 17:15:04 C 04 32 23.01 +45 23 44.6 – u 379
2011-10-09 09:07:43 C 04 42 12.31 +45 06 47.6 – t H47
2011-10-09 09:09:38 C 04 42 13.45 +45 06 45.4 – t H47
2011-10-09 09:11:17 C 04 42 14.42 +45 06 43.4 – t H47
2011-10-09 09:19:33 C 04 42 19.35 +45 06 33.9 – t H47
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)