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
2000-07-30 07:09:51 C 20 31 40.10 -04 10 26.8 17.6 c 704
2000-07-30 07:30:45 C 20 31 38.85 -04 10 26.0 17.7 c 704
2000-07-30 07:50:21 C 20 31 37.63 -04 10 25.8 17.4 c 704
2000-07-30 08:09:47 C 20 31 36.42 -04 10 25.2 17.4 c 704
2000-07-30 08:29:54 C 20 31 35.23 -04 10 24.7 17.4 c 704
2000-07-30 20:10:09 C 20 30 54.84 -04 10 09.0 d 557
2000-07-30 21:03:41 C 20 30 51.65 -04 10 09.0 c 046
2000-07-30 21:04:48 C 20 30 51.51 -04 10 08.1 c 046
2000-07-30 21:06:03 C 20 30 51.46 -04 10 07.8 c 046
2000-07-30 21:07:29 C 20 30 51.39 -04 10 07.8 c 046
2000-07-30 21:12:04 C 20 30 51.08 -04 10 08.1 d 557
2000-07-30 21:14:55 C 20 30 50.90 -04 10 08.0 d 557
2000-07-30 21:16:57 C 20 30 50.76 -04 10 07.3 c 046
2000-07-30 22:07:32 C 20 30 47.81 -04 10 06.5 z 151
2000-07-30 22:10:18 C 20 30 47.57 -04 10 06.9 z 151
2000-07-30 22:14:19 C 20 30 47.37 -04 10 06.1 z 151
2000-07-30 22:18:16 C 20 30 47.05 -04 10 05.9 z 151
2000-07-30 22:23:23 C 20 30 46.83 -04 10 06.5 z 151
2000-07-30 22:32:18 C 20 30 46.24 -04 10 04.9 z 151
2000-07-30 23:02:18 C 20 30 44.33 -04 10 04.4 18.5 z 143
2000-07-30 23:07:03 C 20 30 44.11 -04 10 05.2 18.4 z 143
2000-07-30 23:11:48 C 20 30 43.95 -04 10 04.7 18.6 z 143
2000-07-31 02:48:29 C 20 30 30.99 -04 09 48.7 z 859
2000-07-31 02:52:59 C 20 30 30.73 -04 09 48.7 z 859
2000-07-31 02:58:20 C 20 30 30.42 -04 09 48.7 z 859
2000-07-31 03:02:37 C 20 30 30.10 -04 09 48.8 z 859
2000-07-31 03:09:59 C 20 30 30.07 -04 09 48.0 z 808
2000-07-31 04:05:50 C 20 30 26.55 -04 09 47.0 z 808
2000-07-31 04:37:19 C 20 30 24.60 -04 09 46.1 z 808
2000-07-31 05:44:30 C 20 30 20.42 -04 09 44.9 z 808
2000-07-31 07:42:59 C 20 30 13.65 -04 09 55.7 c 658
2000-07-31 07:51:46 C 20 30 13.11 -04 09 55.4 c 658
2000-07-31 07:57:38 C 20 30 12.72 -04 09 55.2 c 658
2000-07-31 09:19:57 C 20 30 07.51 -04 09 51.0 17.5 c 704
2000-07-31 09:37:16 C 20 30 06.38 -04 09 51.2 17.4 c 704
2000-07-31 09:43:33 C 20 30 06.81 -04 09 36.8 c 474
2000-07-31 09:49:05 C 20 30 06.46 -04 09 36.5 c 474
2000-07-31 09:53:05 C 20 30 06.23 -04 09 36.4 c 474
2000-07-31 09:54:37 C 20 30 05.29 -04 09 51.1 17.5 c 704
2000-07-31 20:12:55 C 20 29 29.26 -04 09 45.1 d 557
2000-07-31 20:15:46 C 20 29 29.09 -04 09 44.8 d 557
2000-07-31 20:16:52 C 20 29 29.01 -04 09 43.6 118
2000-07-31 20:18:38 C 20 29 28.92 -04 09 44.8 d 557
2000-07-31 20:22:07 C 20 29 28.69 -04 09 44.4 118
2000-07-31 20:31:37 C 20 29 28.10 -04 09 43.6 118
2000-07-31 20:38:28 C 20 29 27.86 -04 09 43.5 m 163
2000-07-31 21:00:44 C 20 29 26.39 -04 09 43.8 m 163
2000-07-31 21:18:27 C 20 29 25.32 -04 09 43.6 m 163
2000-07-31 21:21:24 C 20 29 25.04 -04 09 43.1 17.1 c 106
2000-07-31 21:53:09 C 20 29 23.09 -04 09 42.4 17.3 c 106
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)