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
2000-12-23 17:36:16 C 00 13 25.56 -05 22 31.1 18.2 c 106
2000-12-29 01:35:13 C 00 45 39.82 -03 39 04.1 711
2000-12-29 01:41:51 C 00 45 41.49 -03 38 58.3 711
2000-12-29 01:48:24 C 00 45 43.13 -03 38 52.8 711
2001-01-12 17:58:16 C 02 14 14.36 +01 38 58.2 118
2001-01-12 18:03:47 C 02 14 15.64 +01 39 03.3 118
2001-01-13 18:25:33 C 02 20 07.47 +02 01 02.1 118
2001-01-13 18:33:48 C 02 20 09.40 +02 01 09.4 118
2001-01-19 02:00:23 C 02 49 54.48 +03 52 48.3 17.5 c 704
2001-01-19 02:22:37 C 02 49 59.42 +03 53 06.6 18.5 c 704
2001-01-19 02:44:15 C 02 50 04.21 +03 53 25.7 17.6 c 704
2001-01-19 03:06:21 C 02 50 09.15 +03 53 44.4 17.4 c 704
2001-01-19 03:28:57 C 02 50 14.15 +03 54 03.4 17.7 c 704
2001-01-21 01:57:34 C 03 00 39.44 +04 32 52.8 17.3 c 704
2001-01-21 02:20:47 C 03 00 44.45 +04 33 11.6 17.6 c 704
2001-01-21 02:42:33 C 03 00 49.14 +04 33 29.8 17.5 c 704
2001-01-21 03:04:48 C 03 00 53.98 +04 33 48.1 17.5 c 704
2001-01-26 18:52:50 C 03 29 53.79 +06 20 02.5 071
2001-01-26 18:55:22 C 03 29 54.34 +06 20 04.8 071
2001-01-26 18:57:40 C 03 29 54.80 +06 20 06.3 071
2001-01-26 20:26:55 C 03 30 12.69 +06 21 11.5 108
2001-01-26 20:41:42 C 03 30 16.11 +06 21 22.3 108
2001-01-26 20:48:56 C 03 30 17.36 +06 21 28.3 108
2001-01-27 18:19:55 C 03 34 41.57 +06 37 12.9 151
2001-01-27 18:30:54 C 03 34 43.78 +06 37 20.8 151
2001-01-27 18:32:40 C 03 34 44.11 +06 37 22.3 151
2001-01-27 18:35:21 C 03 34 44.68 +06 37 24.1 151
2001-01-27 18:37:10 C 03 34 45.03 +06 37 25.6 151
2001-01-27 18:41:49 C 03 34 45.96 +06 37 28.9 151
2001-01-28 06:13:31 C 03 37 05.82 +06 45 55.6 17.3 c 608
2001-01-28 06:28:03 C 03 37 08.68 +06 46 06.1 17.5 c 608
2001-01-28 06:43:21 C 03 37 11.69 +06 46 16.7 17.7 c 608
2001-01-28 17:15:00 C 03 39 18.86 +06 53 40.3 046
2001-01-28 17:16:30 C 03 39 19.14 +06 53 41.3 046
2001-01-28 17:19:39 C 03 39 19.79 +06 53 43.5 046
2001-01-28 17:21:08 C 03 39 20.10 +06 53 44.6 046
2001-01-29 05:05:39 C 03 41 40.74 +07 02 11.7 17.3 c 608
2001-01-29 05:20:55 C 03 41 43.70 +07 02 22.5 17.8 c 608
2001-01-29 05:36:10 C 03 41 46.67 +07 02 33.4 17.9 c 608
2001-02-17 02:24:05 C 05 00 44.13 +11 13 16.0 18.1 c 704
2001-02-17 02:48:35 C 05 00 47.73 +11 13 26.7 18.6 c 704
2001-02-17 03:42:42 C 05 00 55.89 +11 13 49.1 18.2 c 704
2002-03-13 10:13:05 C 14 30 16.54 -17 26 50.9 d 291
2002-03-13 10:27:23 C 14 30 16.26 -17 26 49.6 d 291
2002-03-13 10:41:11 C 14 30 16.00 -17 26 48.8 d 291
2002-03-21 09:53:02 C 14 25 47.76 -17 03 13.3 d 291
2002-03-21 10:04:25 C 14 25 47.36 -17 03 09.6 d 291
2002-03-21 10:18:13 C 14 25 47.05 -17 03 08.3 d 291
2003-06-04 08:05:18 C 16 40 08.29 -18 22 26.2 d 291
2003-06-04 08:11:23 C 16 40 08.00 -18 22 25.1 d 291
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)