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
2000-08-21 21:29:29 C 19 57 24.73 -04 55 37.2 118
2000-08-21 21:37:22 C 19 57 24.22 -04 55 38.2 118
2000-08-22 20:12:59 C 19 56 03.59 -04 59 55.7 587
2000-08-22 20:28:12 C 19 56 02.72 -04 59 57.8 587
2000-08-24 06:17:40 C 19 54 04.29 -05 06 41.2 c 658
2000-08-24 06:23:43 C 19 54 03.92 -05 06 42.7 c 658
2000-08-24 06:31:14 C 19 54 03.51 -05 06 44.0 c 658
2000-08-25 06:23:11 C 19 52 42.18 -05 11 40.8 c 658
2000-08-25 06:31:06 C 19 52 41.68 -05 11 42.4 c 658
2000-08-25 06:33:32 C 19 52 41.60 -05 11 43.2 c 658
2000-08-26 01:14:09 C 19 51 39.57 -05 15 24.4 z 808
2000-08-26 01:59:00 C 19 51 36.95 -05 15 34.4 z 808
2000-08-26 06:57:13 C 19 51 20.76 -05 16 52.1 18.7 c 608
2000-08-26 07:13:04 C 19 51 19.83 -05 16 55.6 18.4 c 608
2000-08-26 07:28:43 C 19 51 18.95 -05 16 58.9 18.5 c 608
2000-08-27 21:19:15 C 19 49 17.31 -05 25 29.9 118
2000-08-27 21:29:18 C 19 49 16.74 -05 25 31.9 118
2000-08-31 05:47:03 C 19 45 18.74 -05 44 30.8 17.9 c 704
2000-08-31 06:06:27 C 19 45 17.78 -05 44 35.3 18.0 c 704
2000-08-31 06:31:56 C 19 45 16.51 -05 44 41.8 17.8 c 704
2000-08-31 06:53:04 C 19 45 15.48 -05 44 47.0 18.2 c 704
2000-08-31 07:12:27 C 19 45 14.58 -05 44 51.3 18.6 c 704
2000-09-03 04:01:33 C 19 42 15.62 -06 02 13.2 z 711
2000-09-03 04:09:14 C 19 42 15.38 -06 02 14.8 z 711
2000-09-03 04:16:30 C 19 42 14.95 -06 02 16.8 z 711
2000-09-05 02:49:24 C 19 40 27.87 -06 14 28.4 17.3 c 704
2000-09-05 03:09:18 C 19 40 27.06 -06 14 33.1 17.0 c 704
2000-09-05 03:28:58 C 19 40 26.31 -06 14 38.0 17.8 c 704
2000-09-05 03:48:44 C 19 40 25.49 -06 14 43.7 17.5 c 704
2000-09-05 04:08:34 C 19 40 24.69 -06 14 48.9 17.5 c 704
2000-09-05 10:36:29 C 19 40 11.04 -06 16 31.8 360
2000-09-05 10:39:59 C 19 40 10.90 -06 16 32.9 360
2000-09-05 10:43:30 C 19 40 10.80 -06 16 33.7 360
2000-09-06 03:00:25 C 19 39 36.58 -06 20 53.8 17.5 c 704
2000-09-06 03:19:47 C 19 39 35.92 -06 20 59.6 18.0 c 704
2000-09-06 03:39:27 C 19 39 35.16 -06 21 05.0 17.7 c 704
2000-09-06 03:58:47 C 19 39 34.43 -06 21 09.7 18.0 c 704
2000-09-06 04:18:35 C 19 39 33.77 -06 21 13.4 18.7 c 704
2000-09-07 02:49:37 C 19 38 49.32 -06 27 18.7 17.3 c 704
2000-09-07 03:48:55 C 19 38 47.13 -06 27 34.4 18.0 c 704
2000-09-07 04:08:10 C 19 38 46.51 -06 27 41.6 17.7 c 704
2000-09-18 10:29:58 C 19 33 50.15 -07 42 28.4 413
2000-09-18 10:34:59 C 19 33 50.11 -07 42 29.8 413
2000-09-18 10:37:51 C 19 33 50.09 -07 42 30.5 413
2000-09-18 10:44:22 C 19 33 50.04 -07 42 32.4 413
2000-09-18 10:48:00 C 19 33 50.01 -07 42 33.5 413
2000-09-20 09:57:50 C 19 33 45.35 -07 55 41.0 413
2000-09-20 09:59:47 C 19 33 45.36 -07 55 41.5 413
2000-09-20 10:01:43 C 19 33 45.34 -07 55 42.1 413
2000-09-23 02:28:20 C 19 34 02.11 -08 13 43.7 17.6 c 704
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)