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
2000-09-23 02:49:58 C 19 34 02.22 -08 13 49.5 17.6 c 704
2000-09-23 03:10:50 C 19 34 02.28 -08 13 55.4 18.1 c 704
2000-09-23 03:33:18 C 19 34 02.39 -08 14 01.4 18.0 c 704
2000-09-23 03:54:18 C 19 34 02.55 -08 14 06.7 17.9 c 704
2000-09-27 10:41:59 C 19 35 26.40 -08 41 47.4 360
2000-09-27 10:47:45 C 19 35 26.50 -08 41 48.6 360
2000-09-27 11:15:59 C 19 35 26.94 -08 41 55.8 360
2000-10-22 17:43:18 C 20 06 41.49 -10 49 36.2 c 046
2000-10-22 17:45:37 C 20 06 41.63 -10 49 36.1 c 046
2000-10-22 17:47:06 C 20 06 41.79 -10 49 36.4 c 046
2000-10-22 17:49:00 C 20 06 41.93 -10 49 36.5 c 046
2000-10-22 17:50:58 C 20 06 42.10 -10 49 37.1 c 046
2000-10-23 17:08:06 C 20 08 39.69 -10 52 49.6 c 046
2000-10-23 17:10:22 C 20 08 39.89 -10 52 50.0 c 046
2000-10-23 17:12:08 C 20 08 40.02 -10 52 50.2 c 046
2000-10-23 17:13:55 C 20 08 40.18 -10 52 50.5 c 046
2000-10-29 03:02:18 C 20 20 36.39 -11 07 41.3 z 711
2000-10-29 03:09:48 C 20 20 37.10 -11 07 42.0 z 711
2000-10-29 03:16:17 C 20 20 37.73 -11 07 42.5 z 711
2000-10-31 03:13:19 C 20 25 29.12 -11 11 52.0 c 670
2000-10-31 03:48:35 C 20 25 32.72 -11 11 54.7 c 670
2000-10-31 04:19:35 C 20 25 35.71 -11 11 57.7 c 670
2000-11-05 17:08:11 C 20 40 19.34 -11 19 10.9 c 046
2000-11-05 17:10:11 C 20 40 19.57 -11 19 10.7 c 046
2000-11-05 17:11:35 C 20 40 19.76 -11 19 10.4 c 046
2000-11-05 17:12:59 C 20 40 19.99 -11 19 11.2 c 046
2000-11-12 17:20:38 C 21 01 38.85 -11 18 21.4 c 046
2000-11-12 17:24:46 C 21 01 39.47 -11 18 20.9 c 046
2000-11-12 17:29:13 C 21 01 40.04 -11 18 21.0 c 046
2000-11-12 17:30:40 C 21 01 40.29 -11 18 20.8 c 046
2000-11-12 17:32:02 C 21 01 40.34 -11 18 22.0 c 046
2000-11-18 01:42:55 C 21 20 01.09 -11 09 12.4 17.8 c 704
2000-11-18 02:04:22 C 21 20 04.21 -11 09 10.1 18.1 c 704
2000-11-18 02:47:18 C 21 20 10.50 -11 09 05.8 18.3 c 704
2000-11-18 03:08:47 C 21 20 13.65 -11 09 04.3 18.3 c 704
2000-11-21 01:33:44 C 21 31 07.97 -11 00 26.4 18.0 c 704
2000-11-21 01:54:53 C 21 31 11.18 -11 00 24.1 17.6 c 704
2000-11-21 02:37:12 C 21 31 17.74 -11 00 17.4 18.1 c 704
2000-11-21 02:58:24 C 21 31 21.06 -11 00 15.4 18.3 c 704
2000-12-22 20:20:48 C 00 08 08.80 -05 38 31.5 113
2000-12-22 20:26:47 C 00 08 10.36 -05 38 25.4 113
2000-12-22 20:28:47 C 00 08 10.75 -05 38 24.1 113
2000-12-23 01:39:31 C 00 09 28.13 -05 34 30.0 17.4 c 704
2000-12-23 02:01:30 C 00 09 33.48 -05 34 13.4 17.2 c 704
2000-12-23 02:23:18 C 00 09 38.78 -05 33 57.0 17.3 c 704
2000-12-23 02:45:06 C 00 09 44.08 -05 33 40.4 18.6 c 704
2000-12-23 03:06:58 C 00 09 49.39 -05 33 24.2 17.6 c 704
2000-12-23 10:10:39 C 00 11 34.30 -05 27 44.3 428
2000-12-23 10:26:30 C 00 11 38.11 -05 27 31.8 428
2000-12-23 17:23:15 C 00 13 22.46 -05 22 40.3 18.0 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)