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
2012-07-19 02:29:28 C 00 38 58.40 +36 07 01.4 r J75
2012-07-19 02:41:42 C 00 38 56.04 +36 07 43.7 r J75
2012-07-19 02:53:58 C 00 38 53.55 +36 08 28.8 r J75
2012-07-19 03:22:19 C 00 38 48.10 +36 10 07.7 r J75
2012-07-19 03:25:18 C 00 38 47.55 +36 10 18.2 r J75
2012-07-19 03:28:15 C 00 38 46.95 +36 10 28.6 r J75
2012-07-19 03:31:14 C 00 38 46.39 +36 10 39.1 r J75
2012-07-19 08:59:59 C 00 37 43.85 +36 29 49.0 t H21
2012-07-19 09:03:17 C 00 37 43.19 +36 30 00.9 t H21
2012-07-19 09:06:08 C 00 37 42.64 +36 30 10.8 t H21
2012-07-19 09:09:06 C 00 37 42.07 +36 30 21.3 t H21
2012-07-19 22:36:13 C 00 35 05.85 +37 17 13.6 o 160
2012-07-19 22:39:14 C 00 35 05.24 +37 17 24.8 o 160
2012-07-19 22:42:13 C 00 35 04.65 +37 17 35.7 o 160
2012-07-19 23:21:27 C 00 34 56.66 +37 19 54.1 o B90
2012-07-19 23:30:01 C 00 34 54.95 +37 20 24.3 o B90
2012-07-20 00:11:34 C 00 34 46.21 +37 22 54.5 u B18
2012-07-20 00:12:52 C 00 34 45.95 +37 22 59.3 u B18
2012-07-20 00:14:26 C 00 34 45.56 +37 23 04.7 u B18
2012-07-20 00:16:23 C 00 34 45.21 +37 23 12.0 u B18
2012-07-20 09:00:27 C 00 33 00.95 +37 53 41.7 o 291
2012-07-20 09:01:03 C 00 33 00.84 +37 53 43.7 o 291
2012-07-20 09:01:39 C 00 33 00.70 +37 53 45.9 o 291
2012-07-20 09:09:29 C 00 32 59.03 +37 54 14.0 18.6 c 704
2012-07-20 09:14:02 C 00 32 57.73 +37 54 28.6 u H36
2012-07-20 09:16:23 C 00 32 57.22 +37 54 36.5 u H36
2012-07-20 09:18:44 C 00 32 56.72 +37 54 45.4 u H36
2012-07-20 09:26:12 C 00 32 55.58 +37 55 12.6 19.0 c 704
2012-07-20 09:43:24 C 00 32 51.96 +37 56 13.2 18.8 c 704
2012-07-20 10:00:17 C 00 32 48.45 +37 57 12.8 19.0 c 704
2012-07-20 10:18:41 C 00 32 44.60 +37 58 16.5 18.7 c 704
2012-07-21 00:15:41 C 00 29 53.06 +38 46 39.3 r J75
2012-07-21 00:18:54 C 00 29 52.37 +38 46 50.9 r J75
2012-07-21 00:22:15 C 00 29 51.60 +38 47 02.9 r J75
2012-07-21 00:33:31 C 00 29 49.48 +38 47 42.4 u 954
2012-07-21 00:45:32 C 00 29 47.02 +38 48 24.3 u 954
2012-07-21 08:49:55 C 00 28 03.58 +39 16 27.7 t H21
2012-07-21 08:52:43 C 00 28 02.99 +39 16 37.3 t H21
2012-07-21 08:55:30 C 00 28 02.37 +39 16 46.9 t H21
2012-07-21 08:57:57 C 00 28 01.83 +39 16 55.5 t H21
2012-07-21 09:52:38 C 00 27 50.01 +39 20 05.8 u H36
2012-07-21 09:53:49 C 00 27 49.73 +39 20 09.8 u H36
2012-07-21 09:56:12 C 00 27 49.20 +39 20 17.7 u H36
2012-07-23 00:55:02 C 00 19 07.29 +41 33 55.8 u J95
2012-07-23 01:00:27 C 00 19 06.01 +41 34 14.6 u J95
2012-07-23 01:04:33 C 00 19 05.04 +41 34 28.6 u J95
2012-07-23 08:19:40 C 00 17 22.32 +41 59 11.0 u H21
2012-07-23 08:26:11 C 00 17 20.73 +41 59 33.1 u H21
2012-07-23 08:28:48 C 00 17 20.11 +41 59 42.1 u H21
2012-07-23 08:31:25 C 00 17 19.46 +41 59 50.8 u H21
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)