IAA RAS IAA Minor Planet Database

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
2011-09-13 22:19:11 C 00 38 51.93 +32 34 04.2 – u 160
2011-09-14 12:43:52 C 00 41 23.66 +32 59 30.2 – u 379
2011-09-14 12:46:33 C 00 41 24.09 +32 59 34.8 – u 379
2011-09-14 13:03:08 C 00 41 26.91 +33 00 05.3 – u 379
2011-09-14 22:54:22 C 00 43 11.671 +33 17 33.07 – u 089
2011-09-14 22:55:24 C 00 43 11.850 +33 17 34.90 – u 089
2011-09-14 22:56:26 C 00 43 12.039 +33 17 36.90 – u 089
2011-09-14 22:57:28 C 00 43 12.201 +33 17 38.67 – u 089
2011-09-14 22:58:30 C 00 43 12.390 +33 17 40.63 – u 089
2011-09-14 22:59:32 C 00 43 12.544 +33 17 42.40 – u 089
2011-09-14 23:00:34 C 00 43 12.725 +33 17 44.56 – u 089
2011-09-14 23:01:36 C 00 43 12.914 +33 17 46.05 – u 089
2011-09-14 23:02:38 C 00 43 13.096 +33 17 48.21 – u 089
2011-09-14 23:03:40 C 00 43 13.287 +33 17 49.50 – u 089
2011-09-14 23:04:42 C 00 43 13.450 +33 17 51.79 – u 089
2011-09-14 23:05:44 C 00 43 13.638 +33 17 53.20 – u 089
2011-09-14 23:06:46 C 00 43 13.814 +33 17 55.56 – u 089
2011-09-14 23:07:48 C 00 43 14.009 +33 17 57.31 – u 089
2011-09-14 23:08:50 C 00 43 14.156 +33 17 59.30 – u 089
2011-09-16 02:33:16 C 00 48 27.14 +34 07 11.6 – u H17
2011-09-16 03:01:29 C 00 48 32.63 +34 08 05.2 – u H17
2011-09-17 02:48:41 C 00 53 20.56 +34 51 38.8 – u H17
2011-09-17 03:46:48 C 00 53 32.51 +34 53 30.6 – u H17
2011-09-17 04:20:15 C 00 53 39.58 +34 54 30.2 – t G56
2011-09-17 04:29:34 C 00 53 41.51 +34 54 48.3 – t G56
2011-09-17 04:49:20 C 00 53 45.61 +34 55 26.4 – t G56
2011-09-18 03:23:50 C 00 58 37.35 +35 37 22.2 – u H17
2011-09-18 20:55:16 C 01 02 35.38 +36 10 10.7 – u J93
2011-09-18 20:59:53 C 01 02 36.45 +36 10 19.4 – u J93
2011-09-18 21:04:28 C 01 02 37.56 +36 10 28.3 – u J93
2011-09-19 21:26:20 C 01 08 27.540 +36 56 46.88 – u 089
2011-09-19 21:27:22 C 01 08 27.787 +36 56 48.99 – u 089
2011-09-19 21:29:26 C 01 08 28.274 +36 56 52.92 – u 089
2011-09-19 21:31:30 C 01 08 28.777 +36 56 57.03 – u 089
2011-09-19 21:32:32 C 01 08 29.026 +36 56 59.09 – u 089
2011-09-19 21:33:34 C 01 08 29.270 +36 57 00.93 – u 089
2011-09-19 21:34:36 C 01 08 29.504 +36 57 03.21 – u 089
2011-09-19 21:36:40 C 01 08 29.996 +36 57 07.01 – u 089
2011-09-19 21:37:42 C 01 08 30.240 +36 57 08.92 – u 089
2011-09-19 21:38:44 C 01 08 30.492 +36 57 10.86 – u 089
2011-09-19 21:39:46 C 01 08 30.738 +36 57 12.89 – u 089
2011-09-20 19:00:47 C 01 13 59.49 +37 37 37.4 – u C01
2011-09-20 19:01:42 C 01 13 59.73 +37 37 39.1 – u C01
2011-09-20 19:02:35 C 01 13 59.96 +37 37 40.9 – u C01
2011-09-20 19:03:29 C 01 14 00.19 +37 37 42.6 – u C01
2011-09-20 19:04:22 C 01 14 00.43 +37 37 44.4 – u C01
2011-09-20 21:00:19 C 01 14 30.50 +37 41 33.9 – u C01
2011-09-20 21:01:12 C 01 14 30.73 +37 41 35.7 – u C01
2011-09-20 21:02:06 C 01 14 30.96 +37 41 37.4 – u C01
2011-09-20 21:02:58 C 01 14 31.18 +37 41 39.1 – 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)