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
2021-08-09 22:40:37 C 18 45 38.48 +44 54 55.7 V L18
2021-08-09 22:41:49 C 18 45 38.13 +44 54 52.8 V L18
2021-08-09 22:43:01 C 18 45 37.79 +44 54 49.0 V L18
2021-08-09 22:44:13 C 18 45 37.43 +44 54 46.2 V L18
2021-08-09 22:45:25 C 18 45 37.04 +44 54 42.7 V L18
2021-08-10 08:43:06 C 18 42 55.59 +44 27 02.3 V T05
2021-08-10 08:47:43 C 18 42 54.30 +44 26 49.3 V T05
2021-08-10 08:58:56 C 18 42 51.18 +44 26 17.7 V T05
2021-08-10 09:43:19 C 18 42 38.91 +44 24 12.8 V T05
2021-08-12 08:38:27 C 18 31 56.93 +42 22 41.6 V T08
2021-08-12 08:43:06 C 18 31 55.93 +42 22 30.1 V T08
2021-08-12 08:51:45 C 18 31 54.12 +42 22 08.8 V T08
2021-08-12 09:07:00 C 18 31 50.91 +42 21 31.3 V T08
2021-08-14 07:55:10 C 18 23 43.38 +40 35 31.5 V T05
2021-08-14 07:59:46 C 18 23 42.61 +40 35 21.6 V T05
2021-08-14 08:57:34 C 18 23 33.20 +40 33 17.6 V T05
2021-08-14 19:11:24 C 18 22 04.08 +40 11 47.2 V K73
2021-08-14 19:26:30 C 18 22 01.79 +40 11 16.9 V K73
2021-08-14 19:48:02 C 18 21 58.55 +40 10 31.9 V K73
2021-08-14 21:20:33 C 18 21 44.79 +40 07 20.4 V 160
2021-08-14 21:23:44 C 18 21 44.28 +40 07 13.9 V 160
2021-08-14 21:26:56 C 18 21 43.80 +40 07 07.4 V 160
2021-08-16 07:11:39 C 18 17 21.70 +39 01 21.3 V T08
2021-08-16 07:19:13 C 18 17 20.73 +39 01 07.0 V T08
2021-08-16 07:33:51 C 18 17 18.84 +39 00 39.5 V T08
2021-08-16 07:40:53 C 18 17 17.91 +39 00 26.2 V T08
2021-08-19 07:15:20 C 18 10 13.32 +36 58 00.2 V T08
2021-08-19 07:19:20 C 18 10 12.98 +36 57 54.0 V T08
2021-08-19 07:48:45 C 18 10 10.27 +36 57 07.6 V T08
2021-08-20 07:27:46 C 18 08 21.28 +36 21 07.0 V T08
2021-08-20 07:36:27 C 18 08 20.57 +36 20 54.1 V T08
2021-08-20 07:41:06 C 18 08 20.20 +36 20 47.3 V T08
2021-08-20 07:48:24 C 18 08 19.61 +36 20 36.4 V T08
2021-08-20 07:53:03 C 18 08 19.26 +36 20 29.6 V T08
2021-08-20 08:01:00 C 18 08 18.64 +36 20 17.8 V T08
2021-08-20 08:03:47 C 18 08 18.37 +36 20 13.4 V T08
2021-08-20 08:20:22 C 18 08 17.05 +36 19 48.3 V T08
2021-08-21 08:05:52 C 18 06 40.47 +35 45 35.0 V T05
2021-08-21 08:10:29 C 18 06 40.19 +35 45 28.2 V T05
2021-08-21 08:19:05 C 18 06 39.58 +35 45 15.6 V T05
2021-08-21 08:41:54 C 18 06 37.94 +35 44 43.2 V T05
2021-08-21 13:08:01 C 18 06 21.86 +35 38 28.4 q D29
2021-08-21 13:28:23 C 18 06 20.45 +35 38 00.3 q D29
2021-08-23 02:27:23 C 18 04 15.23 +34 48 34.5 V I22
2021-08-23 02:28:33 C 18 04 15.14 +34 48 32.2 V I22
2021-08-23 02:29:43 C 18 04 15.10 +34 48 31.4 V I22
2021-08-23 02:30:52 C 18 04 15.08 +34 48 29.7 V I22
2021-08-23 02:32:02 C 18 04 14.95 +34 48 28.1 V I22
2021-08-23 02:33:11 C 18 04 14.87 +34 48 26.0 V I22
2021-08-23 02:34:21 C 18 04 14.89 +34 48 25.6 V I22
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)