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
2018-07-24 01:56:20 C 00 42 50.89 +39 51 54.0 q 160
2018-07-24 01:56:38 C 00 42 50.76 +39 51 54.0 q 204
2018-07-24 01:59:36 C 00 42 48.98 +39 52 12.7 q 160
2018-07-24 02:02:52 C 00 42 47.10 +39 52 31.4 q 160
2018-07-25 00:03:24 C 00 29 41.88 +41 55 38.7 V Z80
2018-07-25 00:08:16 C 00 29 38.80 +41 56 05.7 V Z80
2018-07-25 00:12:07 C 00 29 36.52 +41 56 27.1 V Z80
2018-07-25 00:15:57 C 00 29 34.12 +41 56 48.8 V Z80
2018-07-25 00:19:47 C 00 29 31.75 +41 57 10.7 V Z80
2018-07-25 00:23:37 C 00 29 29.32 +41 57 31.4 V Z80
2018-07-26 13:14:07 C 00 05 38.091 +45 09 09.42 U F52
2018-07-26 13:36:46 C 00 05 22.326 +45 11 00.48 U F52
2018-07-26 14:07:44 C 00 05 00.759 +45 13 31.47 U F52
2018-07-29 23:24:31 C 23 05 14.71 +50 37 50.4 q A17
2018-07-29 23:35:51 C 23 05 05.80 +50 38 25.5 q A17
2018-07-29 23:47:11 C 23 04 56.87 +50 39 00.9 q A17
2018-07-30 21:05:40 C 22 48 14.71 +51 37 55.3 17.2 U 089
2018-07-30 21:15:44 C 22 48 06.65 +51 38 21.2 17.3 U 089
2018-07-30 21:19:05 C 22 48 04.02 +51 38 29.9 17.1 U 089
2018-07-30 21:25:47 C 22 47 58.69 +51 38 47.4 16.9 U 089
2018-07-30 21:32:29 C 22 47 53.34 +51 39 04.0 17.8 U 089
2018-07-31 23:15:39 C 22 27 34.79 +52 34 45.8 V Z80
2018-07-31 23:20:53 C 22 27 30.59 +52 34 55.4 V Z80
2018-07-31 23:26:07 C 22 27 26.40 +52 35 05.4 V Z80
2018-07-31 23:31:11 C 22 27 22.35 +52 35 14.6 V Z80
2018-07-31 23:36:36 C 22 27 18.06 +52 35 24.6 V Z80
2018-08-02 22:09:05 C 21 51 12.87 +53 35 42.6 V J69
2018-08-02 22:16:25 C 21 51 07.25 +53 35 48.6 V J69
2018-08-02 22:23:45 C 21 51 01.61 +53 35 54.1 V J69
2018-08-03 20:11:11 C 21 34 50.34 +53 47 54.5 t L04
2018-08-03 20:23:43 C 21 34 41.07 +53 47 59.7 t L04
2018-08-04 23:45:23 C 21 15 16.38 +53 50 21.3 V Z80
2018-08-04 23:48:00 C 21 15 14.46 +53 50 22.1 V Z80
2018-08-04 23:54:47 C 21 15 09.81 +53 50 20.7 V Z80
2018-08-04 23:57:34 C 21 15 07.76 +53 50 20.1 V Z80
2018-08-05 00:00:21 C 21 15 05.87 +53 50 19.8 V Z80
2018-08-05 00:03:08 C 21 15 03.87 +53 50 19.3 V Z80
2018-08-05 00:05:55 C 21 15 01.91 +53 50 19.2 V Z80
2018-08-05 00:08:42 C 21 15 00.05 +53 50 18.3 V Z80
2018-08-05 02:37:04 C 21 13 20.91 +53 49 55.1 q W34
2018-08-05 03:04:38 C 21 13 01.79 +53 49 52.1 q W34
2018-08-05 03:13:45 C 21 12 55.48 +53 49 50.7 q W34
2018-08-08 10:35:26 C 20 24 26.72 +52 53 06.5 U T08
2018-08-08 10:40:04 C 20 24 24.16 +52 53 01.1 U T08
2018-08-08 10:59:50 C 20 24 13.25 +52 52 38.2 U T08
2018-08-12 10:03:20 C 19 41 01.31 +50 38 53.6 U T08
2018-08-12 10:11:59 C 19 40 57.93 +50 38 39.3 U T08
2018-08-12 10:26:49 C 19 40 52.11 +50 38 15.4 U T08
2018-08-14 10:23:00 C 19 24 18.78 +49 20 08.4 U T05
2018-08-14 10:25:39 C 19 24 17.95 +49 20 04.4 U T05
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)