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
2015-08-12 07:08:39 C 20 41 16.13 +55 41 01.4 q H45
2015-08-12 07:12:04 C 20 41 14.54 +55 40 59.8 q H45
2015-08-12 07:13:13 C 20 41 14.05 +55 40 59.6 q H45
2015-08-12 07:14:31 C 20 41 13.48 +55 40 58.9 q H45
2015-08-12 07:15:45 C 20 41 12.93 +55 40 58.8 q H45
2015-08-14 07:22:59 C 20 20 27.71 +55 14 27.5 q H45
2015-08-14 07:25:03 C 20 20 26.87 +55 14 25.8 q H45
2015-08-14 07:26:26 C 20 20 26.29 +55 14 24.9 q H45
2015-08-14 07:28:27 C 20 20 25.45 +55 14 23.5 q H45
2015-08-14 07:29:53 C 20 20 24.84 +55 14 22.6 q H45
2015-08-14 07:31:28 C 20 20 24.18 +55 14 21.3 q H45
2015-08-25 03:41:55 C 19 03 31.90 +50 20 45.3 q H21
2015-08-25 03:46:17 C 19 03 31.02 +50 20 39.5 q H21
2015-08-25 03:50:39 C 19 03 30.13 +50 20 33.8 q H21
2015-08-25 03:55:00 C 19 03 29.25 +50 20 28.0 q H21
2015-08-26 04:23:15 C 18 58 49.70 +49 47 58.6 u H21
2015-08-26 04:32:15 C 18 58 48.01 +49 47 46.3 u H21
2015-08-26 04:41:12 C 18 58 46.33 +49 47 34.3 u H21
2015-08-26 04:49:43 C 18 58 44.71 +49 47 22.8 u H21
2015-08-29 23:28:10 C 18 44 18.67 +47 47 36.6 q 204
2015-08-29 23:36:59 C 18 44 17.43 +47 47 24.6 q 204
2015-08-29 23:45:48 C 18 44 16.18 +47 47 13.1 q 204
2015-09-03 06:06:21 C 18 32 18.31 +45 36 52.4 o 291
2015-09-03 06:11:07 C 18 32 17.91 +45 36 46.7 o 291
2015-09-04 08:35:07 C 18 29 48.54 +45 04 13.0 o 291
2015-09-04 08:37:39 C 18 29 48.30 +45 04 09.7 o 291
2015-09-04 08:40:13 C 18 29 48.06 +45 04 06.5 o 291
2015-09-08 01:14:19 C 18 22 59.06 +43 19 24.6 u H21
2015-09-08 01:20:17 C 18 22 58.64 +43 19 18.0 u H21
2015-09-08 01:24:44 C 18 22 58.34 +43 19 13.1 u H21
2015-09-08 01:28:28 C 18 22 58.06 +43 19 08.6 u H21
2015-09-08 01:33:22 C 18 22 57.73 +43 19 02.9 u H21
2015-09-08 12:00:19 C 18 22 17.32 +43 07 08.3 q D29
2015-09-08 12:01:16 C 18 22 17.35 +43 07 08.1 q D29
2015-09-08 12:19:03 C 18 22 16.05 +43 06 47.8 q D29
2015-09-08 12:20:00 C 18 22 16.08 +43 06 46.5 q D29
2015-09-08 12:37:47 C 18 22 14.90 +43 06 25.6 q D29
2015-09-08 12:38:43 C 18 22 14.75 +43 06 24.9 q D29
2015-09-09 11:37:07 C 18 20 52.35 +42 40 32.7 q D29
2015-09-09 11:59:10 C 18 20 51.02 +42 40 08.4 q D29
2015-09-09 12:21:14 C 18 20 49.64 +42 39 43.5 q D29
2015-09-10 01:26:08 C 18 20 06.06 +42 25 10.3 u H21
2015-09-10 01:30:52 C 18 20 05.73 +42 25 04.8 u H21
2015-09-10 01:35:57 C 18 20 05.45 +42 24 59.7 u H21
2015-09-10 11:24:59 C 18 19 34.24 +42 14 13.8 q D29
2015-09-10 11:34:54 C 18 19 33.66 +42 14 02.2 q D29
2015-09-10 11:47:03 C 18 19 32.98 +42 13 49.6 q D29
2015-09-10 11:56:59 C 18 19 32.40 +42 13 38.3 q D29
2015-09-10 12:09:06 C 18 19 31.70 +42 13 25.3 q D29
2015-09-10 12:19:03 C 18 19 31.12 +42 13 13.7 q D29
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)