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
2012-07-23 21:21:17 C 00 14 14.73 +42 42 50.2 u 151
2012-07-23 21:24:40 C 00 14 13.96 +42 43 02.3 u 151
2012-07-23 21:28:01 C 00 14 13.19 +42 43 13.9 u 151
2012-07-23 23:14:39 C 00 13 46.83 +42 49 16.2 r A17
2012-07-23 23:25:54 C 00 13 44.05 +42 49 54.3 r A17
2012-07-23 23:38:17 C 00 13 40.97 +42 50 36.3 r A17
2012-07-23 23:53:49 C 00 13 37.13 +42 51 30.3 c A24
2012-07-23 23:55:58 C 00 13 36.64 +42 51 37.9 c A24
2012-07-24 00:16:42 C 00 13 31.41 +42 52 48.1 c A24
2012-07-24 00:40:50 C 00 13 25.42 +42 54 09.6 c A24
2012-07-24 01:00:51 C 00 13 20.37 +42 55 17.2 c A24
2012-07-24 01:02:59 C 00 13 19.85 +42 55 24.5 c A24
2012-07-24 08:08:51 C 00 11 34.09 +43 19 09.3 u H45
2012-07-24 08:10:02 C 00 11 33.76 +43 19 13.6 u H45
2012-07-24 08:11:30 C 00 11 33.37 +43 19 18.7 u H45
2012-07-24 08:12:31 C 00 11 33.14 +43 19 22.2 u H45
2012-07-24 08:13:35 C 00 11 32.82 +43 19 25.9 u H45
2012-07-24 08:14:39 C 00 11 32.57 +43 19 29.2 u H45
2012-07-24 08:15:51 C 00 11 32.30 +43 19 33.6 u H45
2012-07-24 08:17:40 C 00 11 31.84 +43 19 39.4 u H45
2012-07-25 01:55:29 C 00 07 01.41 +44 17 48.3 u J95
2012-07-25 02:00:22 C 00 07 00.11 +44 18 04.5 u J95
2012-07-25 02:05:15 C 00 06 58.81 +44 18 20.6 u J95
2012-07-26 00:16:37 C 00 01 03.64 +45 30 18.2 u J95
2012-07-26 00:23:32 C 00 01 01.75 +45 30 40.5 u J95
2012-07-26 07:22:05 C 23 59 06.02 +45 53 04.8 r H21
2012-07-26 07:29:10 C 23 59 04.06 +45 53 28.1 r H21
2012-07-26 07:35:15 C 23 59 02.34 +45 53 47.4 r H21
2012-07-26 07:49:32 C 23 58 58.38 +45 54 34.3 u H45
2012-07-26 07:51:29 C 23 58 57.85 +45 54 40.6 u H45
2012-07-26 07:52:30 C 23 58 57.55 +45 54 44.2 u H45
2012-07-26 07:53:46 C 23 58 57.24 +45 54 47.7 u H45
2012-07-26 07:55:19 C 23 58 56.73 +45 54 53.4 u H45
2012-07-26 07:57:02 C 23 58 56.31 +45 54 58.7 u H45
2012-07-26 07:58:11 C 23 58 55.95 +45 55 01.9 u H45
2012-07-26 07:59:49 C 23 58 55.49 +45 55 07.4 u H45
2012-07-26 08:00:59 C 23 58 55.12 +45 55 11.1 u H45
2012-07-26 08:02:21 C 23 58 54.73 +45 55 15.9 u H45
2012-07-26 23:09:20 C 23 54 38.53 +46 42 48.3 t 204
2012-07-26 23:18:48 C 23 54 35.79 +46 43 18.4 t 204
2012-07-26 23:28:18 C 23 54 33.00 +46 43 48.4 t 204
2012-07-26 23:52:59 C 23 54 25.82 +46 45 06.8 c A24
2012-07-26 23:55:08 C 23 54 25.16 +46 45 13.7 c A24
2012-07-27 00:16:40 C 23 54 18.85 +46 46 21.5 c A24
2012-07-27 00:41:36 C 23 54 11.52 +46 47 40.0 c A24
2012-07-27 01:02:24 C 23 54 05.39 +46 48 45.6 c A24
2012-07-27 01:04:34 C 23 54 04.78 +46 48 52.3 c A24
2012-07-27 01:05:32 C 23 54 04.37 +46 48 55.6 o B67
2012-07-27 01:09:57 C 23 54 03.08 +46 49 09.5 o B67
2012-07-27 01:14:20 C 23 54 01.79 +46 49 23.1 o B67
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)