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
2003-06-04 08:17:13 C 16 40 07.75 -18 22 24.7 d 291
2004-12-03 12:14:51 C 11 50 56.74 -05 26 07.0 d 291
2004-12-03 12:30:26 C 11 50 57.64 -05 26 14.2 d 291
2005-03-08 07:17:17 C 11 48 12.53 -07 29 47.5 c 691
2005-03-08 07:53:54 C 11 48 10.63 -07 29 33.5 c 691
2005-03-08 08:31:14 C 11 48 08.74 -07 29 19.8 c 691
2005-03-09 06:43:55 C 11 47 02.71 -07 20 59.1 c 691
2005-03-09 06:54:57 C 11 47 02.16 -07 20 55.1 c 691
2005-03-09 07:08:53 C 11 47 01.44 -07 20 49.9 c 691
2005-03-09 07:30:38 C 11 47 00.32 -07 20 41.6 c 691
2005-03-09 07:47:57 C 11 46 59.43 -07 20 35.1 c 691
2005-03-09 08:00:35 C 11 46 58.78 -07 20 30.5 c 691
2005-03-09 08:34:18 C 11 46 57.09 -07 20 17.6 c 691
2005-03-09 08:45:49 C 11 46 56.46 -07 20 13.9 c 691
2005-03-09 08:56:33 C 11 46 55.93 -07 20 09.2 c 691
2005-03-10 08:05:55 C 11 45 47.00 -07 11 21.3 r G96
2005-03-10 08:16:08 C 11 45 46.45 -07 11 17.3 r G96
2005-03-10 08:26:26 C 11 45 45.92 -07 11 13.1 r G96
2005-03-10 08:36:39 C 11 45 45.40 -07 11 09.5 r G96
2005-03-11 07:58:30 C 11 44 35.97 -07 02 11.1 r G96
2005-03-11 08:08:12 C 11 44 35.49 -07 02 08.0 r G96
2005-03-11 08:17:51 C 11 44 35.01 -07 02 03.4 r G96
2005-03-11 08:27:31 C 11 44 34.50 -07 01 59.8 r G96
2005-03-11 08:53:34 C 11 44 33.23 -07 01 49.3 c 691
2005-03-11 09:04:14 C 11 44 32.67 -07 01 45.2 c 691
2005-03-11 09:14:54 C 11 44 32.14 -07 01 41.2 c 691
2006-04-27 06:15:05 C 15 04 42.23 -17 34 04.7 o 807
2006-04-27 07:59:28 C 15 04 38.24 -17 33 44.5 o 807
2011-06-30 14:15:22 C 22 34 58.331 +02 20 44.95 L F51
2011-06-30 14:32:29 C 22 34 59.189 +02 20 55.74 L F51
2011-07-07 00:43:05 C 22 42 59.51 +04 00 50.0 u 157
2011-07-07 00:47:18 C 22 42 59.72 +04 00 52.5 u 157
2011-07-07 00:51:30 C 22 42 59.93 +04 00 55.2 u 157
2011-07-23 14:28:50 C 23 03 08.657 +08 45 51.44 L F51
2011-07-23 14:36:55 C 23 03 09.039 +08 45 57.69 L F51
2011-07-26 01:25:57 C 23 06 07.02 +09 31 58.3 c A24
2011-07-26 01:26:59 C 23 06 07.01 +09 31 58.9 c A24
2011-07-26 02:14:34 C 23 06 09.38 +09 32 36.6 c A24
2011-07-26 02:15:36 C 23 06 09.37 +09 32 37.7 c A24
2011-07-31 21:53:17 C 23 13 13.70 +11 26 53.4 u A13
2011-07-31 22:24:33 C 23 13 15.29 +11 27 20.4 u A13
2011-08-02 00:35:34 C 23 14 35.22 +11 49 37.3 c A24
2011-08-02 01:49:34 C 23 14 38.86 +11 50 40.7 c A24
2011-08-02 01:50:36 C 23 14 38.86 +11 50 41.3 c A24
2011-08-02 22:33:33 C 23 15 43.00 +12 08 28.3 u C01
2011-08-02 22:34:57 C 23 15 43.07 +12 08 29.8 u C01
2011-08-02 22:36:21 C 23 15 43.14 +12 08 30.7 u C01
2011-08-02 22:37:43 C 23 15 43.20 +12 08 32.2 u C01
2011-08-02 22:39:07 C 23 15 43.27 +12 08 33.3 u C01
2011-08-02 22:40:31 C 23 15 43.34 +12 08 34.5 u C01
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)