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
2012-08-27 01:13:46 C 19 16 45.41 +55 45 35.0 u I15
2012-08-27 01:19:02 C 19 16 44.27 +55 45 27.1 u I15
2012-08-28 01:55:13 C 19 11 13.14 +55 16 48.3 u H21
2012-08-28 02:01:50 C 19 11 11.63 +55 16 40.6 u H21
2012-08-28 02:08:25 C 19 11 10.17 +55 16 33.0 u H21
2012-08-28 02:14:42 C 19 11 08.78 +55 16 25.3 u H21
2012-08-29 01:36:26 C 19 06 14.35 +54 48 35.2 u H21
2012-08-29 01:54:31 C 19 06 10.53 +54 48 13.8 u H21
2012-08-29 02:02:03 C 19 06 08.98 +54 48 04.3 u H21
2012-08-29 02:07:48 C 19 06 07.75 +54 47 57.7 u H21
2012-08-30 02:21:21 C 19 01 21.75 +54 18 36.1 u H21
2012-08-30 02:25:41 C 19 01 20.93 +54 18 31.0 u H21
2012-08-30 02:30:26 C 19 01 19.99 +54 18 24.9 u H21
2012-08-30 02:35:50 C 19 01 18.90 +54 18 18.6 u H21
2012-09-12 03:17:35 C 18 22 26.45 +47 54 42.8 q H45
2012-09-12 03:19:25 C 18 22 26.39 +47 54 39.7 q H45
2012-09-12 03:21:15 C 18 22 26.20 +47 54 37.6 q H45
2012-09-12 03:22:59 C 18 22 26.06 +47 54 35.3 q H45
2012-09-12 03:24:41 C 18 22 25.95 +47 54 34.1 q H45
2012-09-12 03:26:13 C 18 22 25.87 +47 54 32.2 q H45
2012-09-12 03:27:49 C 18 22 25.72 +47 54 30.2 q H45
2012-09-12 03:29:26 C 18 22 25.62 +47 54 28.5 q H45
2012-10-11 04:17:00 C 18 10 19.61 +37 07 42.4 o 695
2012-10-11 04:21:06 C 18 10 19.68 +37 07 39.5 o 695
2012-10-11 04:24:27 C 18 10 19.75 +37 07 37.0 o 695
2013-06-27 10:49:17 C 01 41 43.24 +41 12 46.5 o 291
2013-06-27 10:55:48 C 01 41 44.08 +41 12 56.6 o 291
2013-06-27 11:02:18 C 01 41 44.88 +41 13 06.6 o 291
2015-07-07 11:12:17 C 01 55 16.08 +13 33 46.9 o 291
2015-07-07 11:13:12 C 01 55 15.94 +13 33 49.9 o 291
2015-07-07 11:14:08 C 01 55 15.78 +13 33 53.5 o 291
2015-07-18 01:18:01 C 01 05 57.24 +30 16 26.6 q 157
2015-07-18 01:22:06 C 01 05 56.21 +30 16 43.8 q 157
2015-07-18 01:26:12 C 01 05 55.18 +30 17 01.5 q 157
2015-07-19 15:58:18 S 00 55 46.29 +33 02 53.2 L C51
2015-07-19 17:32:44 S 00 55 20.38 +33 09 38.9 L C51
2015-07-19 19:07:10 S 00 54 54.26 +33 16 25.5 L C51
2015-07-19 20:41:36 S 00 54 28.11 +33 23 11.9 L C51
2015-07-19 22:16:02 S 00 54 01.79 +33 29 59.4 L C51
2015-07-19 23:43:20 C 00 53 40.05 +33 36 06.7 q 160
2015-07-19 23:45:22 C 00 53 39.50 +33 36 16.0 q 160
2015-07-19 23:47:24 C 00 53 38.94 +33 36 25.1 q 160
2015-07-20 23:59:51 C 00 46 40.96 +35 20 24.7 q 160
2015-07-21 00:03:24 C 00 46 39.89 +35 20 40.2 q 160
2015-07-21 00:06:57 C 00 46 38.83 +35 20 55.9 q 160
2015-07-21 03:47:01 C 00 45 33.04 +35 36 49.5 o Z22
2015-07-21 03:59:45 C 00 45 28.99 +35 37 44.5 o Z22
2015-07-27 21:57:06 C 23 46 45.87 +46 22 02.6 17.6 q 089
2015-07-27 22:07:05 C 23 46 41.52 +46 22 38.2 17.8 q 089
2015-07-27 22:10:25 C 23 46 40.03 +46 22 50.0 18.1 q 089
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)