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
2012-01-30 07:14:16 C 08 25 24.38 +00 36 26.1 u H45
2012-01-30 07:15:34 C 08 25 24.32 +00 36 26.8 u H45
2012-01-30 07:17:17 C 08 25 24.26 +00 36 27.8 u H45
2012-01-31 20:04:20 C 08 23 55.40 +00 56 53.1 r 168
2012-01-31 20:06:50 C 08 23 55.30 +00 56 54.4 r 168
2012-01-31 21:18:15 C 08 23 52.31 +00 57 33.7 r 168
2012-01-31 22:04:07 C 08 23 50.92 +00 58 00.7 u C01
2012-01-31 22:06:30 C 08 23 50.82 +00 58 02.0 u C01
2012-01-31 22:08:53 C 08 23 50.72 +00 58 03.3 u C01
2012-01-31 22:11:16 C 08 23 50.62 +00 58 04.7 u C01
2012-01-31 22:13:40 C 08 23 50.52 +00 58 06.1 u C01
2012-01-31 22:16:31 C 08 23 49.92 +00 58 06.3 r 168
2012-01-31 22:21:20 C 08 23 49.74 +00 58 08.9 r 168
2012-02-01 00:06:29 C 08 23 45.79 +00 59 08.8 u C01
2012-02-01 00:11:14 C 08 23 45.60 +00 59 11.7 u C01
2012-02-01 00:13:38 C 08 23 45.49 +00 59 12.9 u C01
2012-02-01 00:15:59 C 08 23 45.39 +00 59 14.2 u C01
2012-02-01 16:16:20 C 08 23 09.41 +01 08 08.9 r 168
2012-02-01 16:18:40 C 08 23 09.32 +01 08 09.5 r 168
2012-02-02 19:14:30 C 08 22 09.62 +01 23 09.9 r 168
2012-02-02 19:17:00 C 08 22 09.52 +01 23 11.3 r 168
2012-02-02 20:16:25 C 08 22 07.24 +01 23 44.4 r 168
2012-02-02 20:30:50 C 08 22 07.20 +01 23 53.5 u C01
2012-02-02 20:32:43 C 08 22 07.12 +01 23 54.4 u C01
2012-02-02 20:34:36 C 08 22 07.05 +01 23 55.5 u C01
2012-02-02 20:36:29 C 08 22 06.97 +01 23 56.7 u C01
2012-02-02 20:38:23 C 08 22 06.90 +01 23 57.8 u C01
2012-02-10 05:29:53 C 08 16 58.26 +03 00 28.8 r 703
2012-02-10 05:41:19 C 08 16 57.97 +03 00 35.3 r 703
2012-02-10 05:53:32 C 08 16 57.61 +03 00 41.3 r 703
2012-02-10 06:04:52 C 08 16 57.39 +03 00 47.4 r 703
2012-02-14 02:31:49 C 08 15 12.33 +03 48 37.4 u I17
2012-02-14 02:52:34 C 08 15 11.93 +03 48 47.5 u I17
2012-02-14 03:12:19 C 08 15 11.62 +03 48 57.1 u I17
2012-02-14 21:42:46 C 08 14 55.13 +03 58 14.9 c A24
2012-02-14 21:43:49 C 08 14 55.10 +03 58 15.3 c A24
2012-02-14 23:42:10 C 08 14 53.13 +03 59 13.6 c A24
2012-02-14 23:43:12 C 08 14 53.12 +03 59 14.7 c A24
2012-02-16 21:15:34 C 08 14 19.86 +04 21 36.8 c A24
2012-02-16 21:16:37 C 08 14 19.85 +04 21 37.0 c A24
2012-02-16 22:58:03 C 08 14 18.47 +04 22 27.9 c A24
2012-02-16 22:59:06 C 08 14 18.49 +04 22 27.9 c A24
2012-02-17 21:18:38 C 08 14 05.73 +04 33 12.1 c A24
2012-02-17 21:19:41 C 08 14 05.74 +04 33 11.7 c A24
2012-02-20 05:08:00 C 08 13 42.65 +04 59 16.7 18.0 c 704
2012-02-20 05:25:09 C 08 13 42.50 +04 59 26.0 18.2 c 704
2012-02-20 05:42:20 C 08 13 42.36 +04 59 32.6 18.1 c 704
2012-02-20 05:59:44 C 08 13 42.23 +04 59 41.3 18.2 c 704
2012-02-20 06:17:37 C 08 13 42.10 +04 59 49.7 18.1 c 704
2012-02-21 19:27:16 C 08 13 34.66 +05 16 29.4 c A24
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)