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
2012-08-12 05:46:04 C 21 20 28.18 +59 07 09.6 t H21
2012-08-12 05:49:08 C 21 20 26.81 +59 07 10.8 t H21
2012-08-13 02:29:38 C 21 11 20.06 +59 13 57.7 u I15
2012-08-13 02:34:33 C 21 11 17.75 +59 13 59.0 u I15
2012-08-14 23:51:19 C 20 51 47.88 +59 18 09.4 c A24
2012-08-14 23:52:54 C 20 51 47.25 +59 18 09.6 c A24
2012-08-14 23:54:16 C 20 51 46.64 +59 18 09.4 c A24
2012-08-15 00:08:51 C 20 51 40.39 +59 18 07.9 c A24
2012-08-15 00:45:50 C 20 51 24.62 +59 18 04.9 c A24
2012-08-15 01:00:26 C 20 51 18.41 +59 18 03.3 c A24
2012-08-15 01:02:02 C 20 51 17.68 +59 18 03.5 c A24
2012-08-15 01:03:24 C 20 51 17.18 +59 18 03.5 c A24
2012-08-16 06:53:20 C 20 38 59.54 +59 13 11.5 u H45
2012-08-16 06:55:29 C 20 38 58.70 +59 13 11.2 u H45
2012-08-16 06:57:18 C 20 38 57.98 +59 13 10.2 u H45
2012-08-16 06:58:44 C 20 38 57.35 +59 13 10.2 u H45
2012-08-16 07:02:43 C 20 38 55.68 +59 13 09.1 u H45
2012-08-16 07:04:23 C 20 38 55.04 +59 13 08.5 u H45
2012-08-16 07:06:05 C 20 38 54.29 +59 13 08.2 u H45
2012-08-18 01:44:00 C 20 22 15.86 +58 56 56.1 u H21
2012-08-18 01:48:36 C 20 22 14.09 +58 56 54.3 u H21
2012-08-18 01:53:50 C 20 22 12.06 +58 56 51.6 u H21
2012-08-18 01:59:21 C 20 22 09.92 +58 56 49.3 u H21
2012-08-22 06:35:47 C 19 47 35.07 +57 44 55.4 u H45
2012-08-22 06:38:00 C 19 47 34.35 +57 44 54.1 u H45
2012-08-22 06:40:24 C 19 47 33.58 +57 44 51.8 u H45
2012-08-22 06:41:43 C 19 47 33.20 +57 44 50.3 u H45
2012-08-22 06:43:17 C 19 47 32.64 +57 44 48.7 u H45
2012-08-22 06:44:38 C 19 47 32.23 +57 44 47.7 u H45
2012-08-22 06:46:02 C 19 47 31.84 +57 44 46.3 u H45
2012-08-23 05:16:29 C 19 40 47.06 +57 23 45.9 u H45
2012-08-23 05:22:14 C 19 40 45.31 +57 23 40.3 u H45
2012-08-23 05:23:40 C 19 40 44.93 +57 23 39.0 u H45
2012-08-23 05:25:17 C 19 40 44.43 +57 23 37.4 u H45
2012-08-23 05:26:39 C 19 40 44.08 +57 23 36.0 u H45
2012-08-23 05:28:13 C 19 40 43.56 +57 23 34.1 u H45
2012-08-23 05:29:50 C 19 40 43.05 +57 23 32.6 u H45
2012-08-23 05:31:31 C 19 40 42.61 +57 23 31.2 u H45
2012-08-25 06:56:45 C 19 27 05.80 +56 32 41.1 v H21
2012-08-25 07:02:36 C 19 27 04.28 +56 32 34.7 v H21
2012-08-25 07:08:28 C 19 27 02.73 +56 32 28.0 v H21
2012-08-25 07:14:02 C 19 27 01.30 +56 32 21.9 v H21
2012-08-26 02:06:51 C 19 22 17.18 +56 11 43.7 u H21
2012-08-26 02:10:15 C 19 22 16.37 +56 11 40.2 u H21
2012-08-26 02:13:51 C 19 22 15.42 +56 11 36.0 u H21
2012-08-26 21:12:14 C 19 17 41.38 +55 50 08.7 t 130
2012-08-26 21:16:32 C 19 17 40.34 +55 50 04.2 t 130
2012-08-26 21:20:51 C 19 17 39.24 +55 49 59.2 t 130
2012-08-26 21:25:09 C 19 17 38.21 +55 49 54.2 t 130
2012-08-27 01:09:33 C 19 16 46.53 +55 45 38.6 u I15
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)