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
2021-08-02 19:44:01 s 1 -182520.57 9 +270983.15 3330.0 C57
2021-08-02 19:54:01 S 20 18 28.666 +53 59 29.36 V C57
2021-08-02 19:54:01 s 1 -182727.45 5 +270495.82 380.0 C57
2021-08-02 20:04:01 S 20 18 19.044 +53 58 56.14 V C57
2021-08-02 20:04:01 s 1 -182933.61 2 +270007.43 5070.0 C57
2021-08-02 20:14:01 S 20 18 10.361 +53 58 20.39 V C57
2021-08-02 20:14:01 s 1 -183139.04 8 +269517.98 7410.0 C57
2021-08-02 20:24:01 S 20 18 01.546 +53 57 50.22 V C57
2021-08-02 20:24:01 s 1 -183343.76 0 +269027.46 7380.0 C57
2021-08-02 20:34:01 S 20 17 52.546 +53 57 19.01 V C57
2021-08-02 20:34:01 s 1 -183547.74 7 +268535.88 4980.0 C57
2021-08-02 20:44:01 S 20 17 43.044 +53 56 44.02 V C57
2021-08-02 20:44:01 s 1 -183751.00 4 +268043.24 190.0 C57
2021-08-02 21:04:01 S 20 17 25.231 +53 55 41.16 V C57
2021-08-02 21:04:01 s 1 -184155.32 3 +267054.75 3440.0 C57
2021-08-02 21:14:01 S 20 17 16.766 +53 55 08.29 V C57
2021-08-02 21:14:01 s 1 -184356.37 8 +266558.91 1450.0 C57
2021-08-02 21:24:01 S 20 17 06.823 +53 54 32.44 V C57
2021-08-02 21:24:01 s 1 -184556.69 3 +266062.00 7050.0 C57
2021-08-02 21:34:01 S 20 16 58.740 +53 54 02.95 V C57
2021-08-02 21:34:01 s 1 -184756.26 7 +265564.03 220.0 C57
2021-08-02 21:44:01 S 20 16 49.186 +53 53 26.81 V C57
2021-08-02 21:44:01 s 1 -184955.09 5 +265064.98 960.0 C57
2021-08-02 21:54:01 S 20 16 41.407 +53 52 58.62 V C57
2021-08-02 21:54:01 s 1 -185153.17 6 +264564.87 9260.0 C57
2021-08-02 22:04:01 S 20 16 31.054 +53 52 08.47 V C57
2021-08-02 22:04:01 s 1 -185350.50 7 +264063.68 5100.0 C57
2021-08-02 22:14:01 S 20 16 22.886 +53 51 51.23 V C57
2021-08-02 22:14:01 s 1 -185547.08 4 +263561.42 8490.0 C57
2021-08-02 22:20:29 C 20 16 09.50 +54 38 33.5 V L18
2021-08-02 22:20:53 C 20 16 08.99 +54 38 31.9 V L18
2021-08-02 22:21:17 C 20 16 08.70 +54 38 30.0 V L18
2021-08-02 22:21:41 C 20 16 08.25 +54 38 28.4 V L18
2021-08-02 22:22:05 C 20 16 07.89 +54 38 26.5 V L18
2021-08-02 22:22:29 C 20 16 07.51 +54 38 26.3 V L18
2021-08-02 22:22:53 C 20 16 07.12 +54 38 24.2 V L18
2021-08-02 22:23:17 C 20 16 06.73 +54 38 22.0 V L18
2021-08-02 22:23:41 C 20 16 06.38 +54 38 21.3 V L18
2021-08-02 22:24:01 S 20 16 13.229 +53 51 15.73 V C57
2021-08-02 22:24:01 s 1 -185742.90 5 +263058.10 9400.0 C57
2021-08-02 22:24:05 C 20 16 05.98 +54 38 19.7 V L18
2021-08-02 22:24:29 C 20 16 05.54 +54 38 18.1 V L18
2021-08-02 22:24:53 C 20 16 05.20 +54 38 16.6 V L18
2021-08-02 22:25:17 C 20 16 04.87 +54 38 15.4 V L18
2021-08-02 22:25:41 C 20 16 04.33 +54 38 12.8 V L18
2021-08-02 22:26:05 C 20 16 04.00 +54 38 12.4 V L18
2021-08-02 22:34:01 S 20 16 04.982 +53 50 45.74 V C57
2021-08-02 22:34:01 s 1 -185937.96 8 +262553.70 7840.0 C57
2021-08-02 22:44:01 S 20 15 56.486 +53 50 12.12 V C57
2021-08-02 22:44:01 s 1 -186132.26 9 +262048.23 3800.0 C57
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)