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
2021-07-24 17:17:18 C 01 46 55.98 +42 03 41.1 q Q21
2021-07-25 13:55:54 C 01 22 13.61 +46 05 05.7 V T05
2021-07-25 14:00:33 C 01 22 07.48 +46 05 58.2 V T05
2021-07-25 14:38:43 C 01 21 16.90 +46 13 10.0 V T05
2021-07-25 14:46:08 C 01 21 07.04 +46 14 33.6 V T05
2021-07-25 15:03:29 C 01 20 43.91 +46 17 48.8 V T05
2021-07-25 22:30:31 C 01 10 51.40 +47 38 36.8 V L18
2021-07-25 22:31:41 C 01 10 49.80 +47 38 50.3 V L18
2021-07-25 22:32:51 C 01 10 48.24 +47 39 02.7 V L18
2021-07-26 00:09:33 C 01 08 33.44 +47 56 40.1 V 089
2021-07-26 00:13:21 C 01 08 28.23 +47 57 20.9 V 089
2021-07-26 00:17:09 C 01 08 22.79 +47 58 01.9 V 089
2021-07-26 00:20:57 C 01 08 17.37 +47 58 41.9 V 089
2021-07-26 00:24:45 C 01 08 12.13 +47 59 24.4 V 089
2021-07-26 00:28:33 C 01 08 06.75 +48 00 04.9 V 089
2021-07-26 00:32:21 C 01 08 01.41 +48 00 45.4 V 089
2021-07-26 00:36:09 C 01 07 56.01 +48 01 26.7 V 089
2021-07-26 00:39:57 C 01 07 50.68 +48 02 07.2 V 089
2021-07-26 00:43:45 C 01 07 45.33 +48 02 47.8 V 089
2021-07-26 12:55:30 S 00 49 59.340 +50 06 45.61 L C51
2021-07-26 12:55:41 S 00 49 58.942 +50 06 48.42 L C51
2021-07-26 14:29:34 S 00 47 37.241 +50 21 56.84 L C51
2021-07-26 16:03:38 S 00 45 13.723 +50 36 55.80 L C51
2021-07-26 20:35:02 C 00 38 22.63 +51 19 05.1 V 089
2021-07-26 20:50:14 C 00 37 58.66 +51 21 25.8 V 089
2021-07-26 20:54:02 C 00 37 52.66 +51 22 01.5 V 089
2021-07-26 21:01:38 C 00 37 40.64 +51 23 11.5 V 089
2021-07-26 21:05:26 C 00 37 34.64 +51 23 46.6 V 089
2021-07-27 12:58:05 C 00 11 28.65 +53 36 45.9 V T08
2021-07-27 13:08:20 C 00 11 10.81 +53 38 03.7 V T08
2021-07-27 13:13:05 C 00 11 02.54 +53 38 39.6 V T08
2021-07-28 00:12:27 C 23 51 57.24 +54 53 46.1 V 089
2021-07-28 00:16:16 C 23 51 50.43 +54 54 10.5 V 089
2021-07-28 00:20:04 C 23 51 43.61 +54 54 34.7 V 089
2021-07-28 00:23:53 C 23 51 36.74 +54 54 58.5 V 089
2021-07-28 00:27:42 C 23 51 29.89 +54 55 22.8 V 089
2021-07-28 00:31:31 C 23 51 23.04 +54 55 46.8 V 089
2021-07-28 22:08:10 C 23 12 24.78 +56 43 47.8 V Z80
2021-07-28 22:14:29 C 23 12 13.13 +56 44 12.8 V Z80
2021-07-28 22:21:20 C 23 12 00.56 +56 44 39.9 V Z80
2021-07-29 00:12:44 C 23 08 32.13 +56 51 59.0 V 089
2021-07-29 00:16:33 C 23 08 25.02 +56 52 13.1 V 089
2021-07-29 00:20:22 C 23 08 17.97 +56 52 26.6 V 089
2021-07-29 00:24:11 C 23 08 10.85 +56 52 39.9 V 089
2021-07-29 00:28:00 C 23 08 03.77 +56 52 53.6 V 089
2021-07-29 00:31:49 C 23 07 56.72 +56 53 06.6 V 089
2021-07-29 00:35:38 C 23 07 49.60 +56 53 20.3 V 089
2021-07-29 00:39:27 C 23 07 42.55 +56 53 33.6 V 089
2021-07-29 00:43:16 C 23 07 35.46 +56 53 47.2 V 089
2021-07-29 00:47:05 C 23 07 28.36 +56 54 00.7 V 089
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)