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
2000-07-31 22:16:20 C 20 29 21.73 -04 09 42.4 587
2000-07-31 22:25:13 C 20 29 21.12 -04 09 41.8 17.1 c 106
2000-07-31 22:27:09 C 20 29 21.05 -04 09 41.5 587
2000-08-01 02:12:59 C 20 29 07.78 -04 09 28.4 z 808
2000-08-01 04:40:28 C 20 28 58.75 -04 09 38.1 i 739
2000-08-01 04:49:37 C 20 28 58.21 -04 09 37.7 i 739
2000-08-01 04:55:43 C 20 28 57.81 -04 09 37.8 i 739
2000-08-01 05:27:29 C 20 28 55.96 -04 09 36.1 17.6 c 704
2000-08-01 06:01:27 C 20 28 53.81 -04 09 36.0 17.5 c 704
2000-08-01 06:07:19 C 20 28 53.00 -04 09 25.2 z 808
2000-08-01 06:22:30 C 20 28 52.48 -04 09 36.0 18.1 c 704
2000-08-01 06:43:28 C 20 28 51.14 -04 09 35.5 17.7 c 704
2000-08-01 07:04:13 C 20 28 49.84 -04 09 35.2 18.4 c 704
2000-08-01 07:35:43 C 20 28 47.83 -04 09 35.3 z 711
2000-08-01 07:43:56 C 20 28 47.53 -04 09 37.1 c 658
2000-08-01 07:44:21 C 20 28 47.28 -04 09 35.1 z 711
2000-08-01 07:49:33 C 20 28 47.17 -04 09 37.0 c 658
2000-08-01 07:53:45 C 20 28 46.87 -04 09 36.5 c 658
2000-08-01 07:54:40 C 20 28 46.64 -04 09 34.9 z 711
2000-08-01 20:14:47 C 20 28 02.37 -04 09 33.8 118
2000-08-01 20:30:40 C 20 28 01.39 -04 09 32.9 118
2000-08-02 05:21:03 C 20 27 29.08 -04 09 31.2 17.6 c 704
2000-08-02 05:39:59 C 20 27 27.83 -04 09 31.1 17.2 c 704
2000-08-02 05:41:32 C 20 27 27.75 -04 09 30.8 17.9 c 704
2000-08-02 06:00:29 C 20 27 26.54 -04 09 31.1 17.8 c 704
2000-08-02 06:02:03 C 20 27 26.47 -04 09 30.7 18.1 c 704
2000-08-02 06:20:58 C 20 27 25.20 -04 09 31.0 17.7 c 704
2000-08-02 06:22:33 C 20 27 25.15 -04 09 31.1 18.1 c 704
2000-08-02 06:41:30 C 20 27 23.90 -04 09 31.0 17.7 c 704
2000-08-02 06:43:04 C 20 27 23.80 -04 09 30.6 18.0 c 704
2000-08-03 05:19:38 C 20 26 00.67 -04 09 40.3 17.5 c 704
2000-08-03 05:40:12 C 20 25 59.29 -04 09 40.5 18.0 c 704
2000-08-03 06:00:47 C 20 25 57.99 -04 09 40.7 17.5 c 704
2000-08-03 06:21:13 C 20 25 56.63 -04 09 40.6 17.3 c 704
2000-08-03 06:41:42 C 20 25 55.33 -04 09 40.7 17.9 c 704
2000-08-03 13:52:30 C 20 25 28.76 -04 09 47.4 360
2000-08-03 13:56:29 C 20 25 28.52 -04 09 47.5 360
2000-08-03 14:00:29 C 20 25 28.25 -04 09 47.7 360
2000-08-09 09:58:27 C 20 16 32.74 -04 15 46.8 18.3 422
2000-08-09 10:00:04 C 20 16 32.68 -04 15 47.2 18.3 422
2000-08-09 10:03:31 C 20 16 32.44 -04 15 48.2 18.1 422
2000-08-17 04:08:12 C 20 04 27.73 -04 36 39.0 i 739
2000-08-17 04:15:22 C 20 04 27.07 -04 36 41.8 i 739
2000-08-17 04:25:45 C 20 04 26.31 -04 36 44.2 i 739
2000-08-17 04:56:56 C 20 04 24.27 -04 36 48.1 i 739
2000-08-19 21:15:39 C 20 00 21.55 -04 47 01.3 118
2000-08-19 21:18:04 C 20 00 21.40 -04 47 02.2 118
2000-08-19 21:24:27 C 20 00 20.99 -04 47 02.9 118
2000-08-20 03:08:54 C 19 59 59.24 -04 47 46.6 860
2000-08-20 03:51:26 C 19 59 56.55 -04 47 53.4 860
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)