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
2022-12-28 01:49:31 C 11 28 09.154 -06 32 02.83 V M22
2023-01-20 13:53:15 C 11 26 37.262 -07 55 38.71 V T05
2023-01-20 13:58:33 C 11 26 37.133 -07 55 38.39 V T05
2023-01-20 14:07:40 C 11 26 36.922 -07 55 38.93 V T05
2023-01-20 14:21:07 C 11 26 36.517 -07 55 38.72 U F52
2023-01-20 14:22:29 C 11 26 36.451 -07 55 38.06 V T05
2023-01-20 14:35:44 C 11 26 36.120 -07 55 38.43 U F52
2023-01-20 14:50:19 C 11 26 35.736 -07 55 38.26 U F52
2023-01-20 15:04:54 C 11 26 35.329 -07 55 37.96 U F52
2023-01-21 00:26:54 C 11 26 21.775 -07 55 17.94 V M22
2023-01-21 00:29:30 C 11 26 21.698 -07 55 17.65 V M22
2023-01-21 00:34:05 C 11 26 21.521 -07 55 17.40 V M22
2023-01-21 00:52:23 C 11 26 21.082 -07 55 17.94 V M22
2023-01-22 12:28:35 C 11 25 24.522 -07 54 07.61 U F52
2023-01-22 12:46:57 C 11 25 23.969 -07 54 06.76 U F52
2023-01-22 13:05:18 C 11 25 23.419 -07 54 05.90 U F52
2023-01-22 13:23:31 C 11 25 22.869 -07 54 05.04 U F52
2023-01-26 08:36:15 C 11 22 32.689 -07 47 01.28 V 703
2023-01-26 08:43:52 C 11 22 32.466 -07 47 00.82 V 703
2023-01-26 08:51:27 C 11 22 32.178 -07 47 00.89 V 703
2023-01-26 08:59:03 C 11 22 31.912 -07 46 59.34 V 703
2023-01-26 09:30:48 C 11 22 30.709 -07 46 55.45 V G96
2023-01-26 09:38:13 C 11 22 30.439 -07 46 54.59 V G96
2023-01-26 09:45:39 C 11 22 30.173 -07 46 53.94 V G96
2023-01-26 09:53:04 C 11 22 29.896 -07 46 53.00 V G96
2023-01-27 06:55:21 C 11 21 45.646 -07 44 19.21 V W68
2023-01-27 06:59:53 C 11 21 45.427 -07 44 18.71 V W68
2023-01-27 07:04:26 C 11 21 45.290 -07 44 18.56 V W68
2023-01-27 07:12:14 C 11 21 45.007 -07 44 17.12 V W68
2023-01-29 08:16:26 C 11 19 55.016 -07 37 41.38 V 703
2023-01-29 08:24:24 C 11 19 54.631 -07 37 39.94 V 703
2023-01-29 08:32:21 C 11 19 54.347 -07 37 39.65 V 703
2023-01-29 08:40:19 C 11 19 54.030 -07 37 37.67 V 703
2023-01-31 06:41:23 C 11 18 02.270 -07 29 45.74 V W68
2023-01-31 06:43:58 C 11 18 02.232 -07 29 44.59 V W68
2023-01-31 06:48:32 C 11 18 02.014 -07 29 43.15 V W68
2023-01-31 07:25:34 C 11 18 00.360 -07 29 36.64 V W68
2023-01-31 16:55:48 C 11 17 36.58 -07 27 58.9 V D29
2023-01-31 17:13:30 C 11 17 35.80 -07 27 55.8 V D29
2023-01-31 17:31:11 C 11 17 35.01 -07 27 52.8 V D29
2023-02-01 08:09:11 C 11 16 57.594 -07 25 02.86 V 703
2023-02-01 08:16:51 C 11 16 57.151 -07 25 01.74 V 703
2023-02-01 08:24:30 C 11 16 56.773 -07 24 59.29 V 703
2023-02-01 08:32:10 C 11 16 56.442 -07 24 57.64 V 703
2023-02-13 07:21:11 C 11 02 36.798 -06 03 58.21 V 703
2023-02-13 07:37:52 C 11 02 35.790 -06 03 51.98 V 703
2023-02-13 07:46:13 C 11 02 35.232 -06 03 48.53 V 703
2023-02-13 22:32:38 C 11 01 46.342 -05 58 18.26 V M22
2023-02-13 22:37:10 C 11 01 46.087 -05 58 16.61 V M22
2023-02-13 22:41:43 C 11 01 45.838 -05 58 16.21 V M22
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)