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
2012-03-14 22:11:53 C 08 20 59.01 +08 16 27.0 c A24
2012-03-14 22:33:23 C 08 20 59.57 +08 16 31.8 c A24
2012-03-14 22:55:24 C 08 21 00.13 +08 16 36.5 c A24
2012-03-14 23:16:54 C 08 21 00.78 +08 16 41.6 c A24
2012-03-14 23:18:59 C 08 21 00.74 +08 16 42.1 c A24
2012-03-17 04:20:38 C 08 22 32.65 +08 28 44.6 u 448
2012-03-17 04:38:39 C 08 22 33.18 +08 28 48.5 u 448
2012-03-17 04:56:36 C 08 22 33.64 +08 28 52.7 u 448
2012-03-22 03:57:51 C 08 26 24.17 +08 52 05.1 19.3 c 704
2012-03-22 04:13:22 C 08 26 24.57 +08 52 06.8 19.7 c 704
2012-03-22 04:28:43 C 08 26 25.11 +08 52 11.3 19.4 c 704
2012-03-22 04:44:04 C 08 26 25.61 +08 52 12.9 19.7 c 704
2012-03-22 04:59:26 C 08 26 26.21 +08 52 15.7 20.1 c 704
2012-03-23 19:54:26 C 08 27 48.46 +08 58 44.1 u C01
2012-03-23 19:58:49 C 08 27 48.61 +08 58 44.7 u C01
2012-03-23 20:03:14 C 08 27 48.78 +08 58 45.7 u C01
2014-06-28 08:04:56 C 16 42 02.929 -17 19 57.28 L F51
2014-06-28 08:20:10 C 16 42 02.263 -17 19 55.69 L F51
2014-06-28 08:50:40 C 16 42 00.976 -17 19 53.01 L F51
2016-02-15 12:05:59 C 12 49 08.336 -12 22 42.87 L F51
2016-02-15 12:22:45 C 12 49 07.939 -12 22 40.99 L F51
2016-02-15 12:39:31 C 12 49 07.518 -12 22 39.56 L F51
2016-02-15 12:56:19 C 12 49 07.075 -12 22 37.61 L F51
2016-03-02 11:21:14 C 12 36 38.832 -11 13 00.25 L F51
2016-03-02 11:38:19 C 12 36 38.141 -11 12 56.22 L F51
2016-03-02 11:39:14 C 12 36 38.096 -11 12 56.06 L F51
2016-03-02 11:55:04 C 12 36 37.436 -11 12 51.78 L F51
2016-03-02 11:56:01 C 12 36 37.388 -11 12 51.59 L F51
2016-03-02 12:11:58 C 12 36 36.729 -11 12 47.78 L F51
2016-03-02 12:12:54 C 12 36 36.687 -11 12 47.46 L F51
2016-03-12 10:40:16 C 12 26 19.792 -10 04 16.02 L F51
2016-03-12 11:37:10 C 12 26 17.134 -10 03 58.08 L F51
2016-03-28 06:42:03 C 12 08 54.85 -07 51 19.3 L W84
2016-03-28 06:46:39 C 12 08 54.65 -07 51 17.7 L W84
2016-03-28 06:51:15 C 12 08 54.44 -07 51 15.9 L W84
2016-03-28 06:55:50 C 12 08 54.23 -07 51 14.3 L W84
2016-03-28 07:00:26 C 12 08 54.02 -07 51 12.6 L W84
2016-03-29 05:30:23 C 12 07 54.66 -07 42 59.9 L W84
2016-03-29 05:34:57 C 12 07 54.45 -07 42 58.2 L W84
2016-03-29 05:39:33 C 12 07 54.24 -07 42 56.5 L W84
2016-03-29 05:44:10 C 12 07 54.04 -07 42 54.8 L W84
2016-03-29 05:48:47 C 12 07 53.83 -07 42 53.1 L W84
2016-03-31 05:08:45 C 12 05 50.77 -07 25 38.0 L W84
2016-03-31 05:13:21 C 12 05 50.57 -07 25 36.3 L W84
2016-03-31 05:17:57 C 12 05 50.37 -07 25 34.7 L W84
2016-03-31 05:22:32 C 12 05 50.16 -07 25 33.0 L W84
2016-03-31 05:27:06 C 12 05 49.96 -07 25 31.3 L W84
2016-04-01 05:29:00 C 12 04 48.61 -07 16 47.5 L W84
2016-04-01 05:33:35 C 12 04 48.41 -07 16 45.8 L W84
2016-04-01 05:38:07 C 12 04 48.21 -07 16 44.2 L W84
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)