523664 (2012 OD1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5029107672 ± 2.97e-08
Semi-major axis (a)0.8287656941 AU ± 6.55e-10
Inclination (i)42.26154579° ± 3.34e-06
Long. of Asc. Node (Ω)303.72484716° ± 4.85e-07
Arg. of Perihelion (ω)224.35749168° ± 6.01e-07
Mean Anomaly (M)353.66647873° ± 3.61e-06
Mean Motion (n)1.3063652751°/day ± 1.55e-09
Perihelion dist (q)0.41197050 AU ± 2.46e-08
Aphelion dist (Q)1.24556089 AU ± 2.47e-08
Orbital Period0.75447986 yr ± 8.95e-10
Physical Parameters
H (abs. magnitude)18.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.331″
Uncertainty0
Orbit TypeAten
MOID0.039485 AU
Observations Used1418
Radar Obs Used5
Oppositions4
Arc Total2012-2024
First Observation Used2012-07-19
Last Observation Used2024-09-15
Observations (1825)
Date Type RA Dec Mag Band Observatory
2015-09-14 02:48:13 C 18 15 45.71 +40 41 45.5 q H45
2015-09-14 02:50:22 C 18 15 45.55 +40 41 43.8 q H45
2015-09-14 02:52:37 C 18 15 45.45 +40 41 41.4 q H45
2015-09-14 02:55:52 C 18 15 45.35 +40 41 37.9 q H45
2015-09-14 02:57:24 C 18 15 45.30 +40 41 36.0 q H45
2015-09-14 02:59:21 C 18 15 45.19 +40 41 34.3 q H45
2015-09-14 03:01:00 C 18 15 45.14 +40 41 32.2 q H45
2015-09-20 01:48:52 C 18 12 17.49 +38 24 33.8 q H21
2015-09-20 01:55:15 C 18 12 17.35 +38 24 28.0 q H21
2015-09-20 02:01:38 C 18 12 17.25 +38 24 21.9 q H21
2015-09-22 01:46:40 C 18 11 44.84 +37 42 18.2 q H21
2015-09-22 01:56:01 C 18 11 44.75 +37 42 10.0 q H21
2015-09-22 02:05:20 C 18 11 44.61 +37 42 02.0 q H21
2015-09-28 04:47:15 C 18 11 36.23 +35 43 37.3 o 291
2015-09-28 04:53:26 C 18 11 36.23 +35 43 32.8 o 291
2015-09-28 04:59:43 C 18 11 36.29 +35 43 27.8 o 291
2015-10-05 01:06:24 C 18 13 38.42 +33 48 19.8 q H21
2015-10-05 01:18:01 C 18 13 38.64 +33 48 11.7 q H21
2015-10-05 01:29:37 C 18 13 38.78 +33 48 03.7 q H21
2015-10-16 02:55:26 C 18 20 34.14 +31 14 44.0 o 291
2015-10-16 03:13:39 C 18 20 34.70 +31 14 34.6 o 291
2015-11-01 02:06:54 C 18 36 06.06 +28 31 37.2 o 691
2015-11-01 02:12:32 C 18 36 06.30 +28 31 35.1 o 691
2015-11-01 02:18:10 C 18 36 06.58 +28 31 32.9 o 691
2015-11-12 03:06:33 C 18 49 34.62 +27 08 18.4 o 291
2015-11-12 03:12:48 C 18 49 34.93 +27 08 15.4 o 291
2015-11-12 03:19:03 C 18 49 35.26 +27 08 14.1 o 291
2016-07-09 11:20:17 C 02 08 14.60 +47 41 43.1 o 291
2016-07-09 11:23:20 C 02 08 15.03 +47 41 47.7 o 291
2016-07-09 11:26:20 C 02 08 15.44 +47 41 52.9 o 291
2018-01-06 01:43:54 C 20 53 32.87 +03 28 16.5 o 291
2018-01-06 01:55:12 C 20 53 33.98 +03 28 24.7 o 291
2018-07-17 00:49:30 C 01 57 58.70 +23 04 08.0 q A17
2018-07-17 01:06:33 C 01 57 52.95 +23 05 45.6 q A17
2018-07-17 01:23:37 C 01 57 47.22 +23 07 23.2 q A17
2018-07-19 01:57:14 C 01 40 14.31 +27 51 17.8 q 160
2018-07-19 02:01:14 C 01 40 12.66 +27 51 41.3 q 160
2018-07-19 02:05:14 C 01 40 11.10 +27 52 06.6 q 160
2018-07-20 01:37:00 C 01 30 37.93 +30 13 58.6 q 160
2018-07-20 01:41:01 C 01 30 36.22 +30 14 23.1 q 160
2018-07-20 01:45:05 C 01 30 34.47 +30 14 48.3 q 160
2018-07-22 02:59:36 S 01 07 56.393 +35 14 10.36 L C51
2018-07-22 06:07:55 S 01 06 22.294 +35 33 07.99 L C51
2018-07-22 07:42:10 S 01 05 34.934 +35 42 36.11 L C51
2018-07-22 09:16:14 S 01 04 47.424 +35 52 01.52 L C51
2018-07-22 10:50:29 S 01 03 59.546 +36 01 28.67 L C51
2018-07-24 01:44:33 C 00 42 57.83 +39 50 43.9 q 204
2018-07-24 01:47:34 C 00 42 56.07 +39 51 01.5 q 204
2018-07-24 01:50:35 C 00 42 54.29 +39 51 18.9 q 204
2018-07-24 01:53:36 C 00 42 52.53 +39 51 36.3 q 204
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2024-07-26 15:10:00 43174668.84 10 us 8650 -14 -14
2024-07-26 15:20:00 43129048.583 2 us 8560 -14 -14
2024-07-27 14:00:00 38810421 1 us 8560 -14 -14
2024-07-29 23:10:00 45702826 1 us 8560 -14 -14
2024-07-31 04:10:00 56472712.1 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)