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 10:01:22 C 20 28 35.79 +55 22 38.9 V T05
2021-08-02 10:04:01 S 20 27 43.277 +54 31 21.50 V C57
2021-08-02 10:04:01 s 1 -169376.92 2 +297455.69 4350.0 C57
2021-08-02 13:14:01 S 20 24 39.401 +54 21 07.06 V C57
2021-08-02 13:14:01 s 1 -173918.76 0 +289167.88 9360.0 C57
2021-08-02 13:24:01 S 20 24 29.578 +54 20 34.40 V C57
2021-08-02 13:24:01 s 1 -174151.72 8 +288721.44 2000.0 C57
2021-08-02 13:34:01 S 20 24 21.713 +54 20 08.81 V C57
2021-08-02 13:34:01 s 1 -174384.07 1 +288273.97 2590.0 C57
2021-08-02 13:54:01 S 20 24 02.357 +54 19 04.66 V C57
2021-08-02 13:54:01 s 1 -174846.87 5 +287375.92 7580.0 C57
2021-08-02 14:14:01 S 20 23 43.337 +54 17 58.34 V C57
2021-08-02 14:14:01 s 1 -175307.15 3 +286473.71 4260.0 C57
2021-08-02 14:54:01 S 20 23 04.922 +54 15 42.62 V C57
2021-08-02 14:54:01 s 1 -176220.06 1 +284656.81 2480.0 C57
2021-08-02 15:04:01 S 20 22 55.380 +54 15 10.15 V C57
2021-08-02 15:04:01 s 1 -176446.68 1 +284199.99 4250.0 C57
2021-08-02 15:14:01 S 20 22 45.857 +54 14 40.16 V C57
2021-08-02 15:14:01 s 1 -176672.65 4 +283742.12 3900.0 C57
2021-08-02 15:24:01 S 20 22 36.382 +54 14 05.06 V C57
2021-08-02 15:24:01 s 1 -176897.97 7 +283283.20 1410.0 C57
2021-08-02 15:34:01 S 20 22 27.048 +54 13 32.52 V C57
2021-08-02 15:34:01 s 1 -177122.64 9 +282823.25 6790.0 C57
2021-08-02 15:44:01 S 20 22 18.074 +54 13 02.53 V C57
2021-08-02 15:44:01 s 1 -177346.66 6 +282362.25 10.0 C57
2021-08-02 15:54:01 S 20 22 09.821 +54 12 31.28 V C57
2021-08-02 15:54:01 s 1 -177570.02 7 +281900.20 1080.0 C57
2021-08-02 16:04:01 S 20 21 59.870 +54 11 57.77 V C57
2021-08-02 16:04:01 s 1 -177792.72 8 +281437.11 9990.0 C57
2021-08-02 17:14:01 S 20 20 54.346 +54 08 09.64 V C57
2021-08-02 17:14:01 s 1 -179332.99 1 +278166.12 1140.0 C57
2021-08-02 17:24:01 S 20 20 44.988 +54 07 38.60 V C57
2021-08-02 17:24:01 s 1 -179550.33 5 +277694.64 2470.0 C57
2021-08-02 17:34:01 S 20 20 36.391 +54 07 06.35 V C57
2021-08-02 17:34:01 s 1 -179766.99 9 +277222.10 1570.0 C57
2021-08-02 17:44:01 S 20 20 26.549 +54 06 32.00 V C57
2021-08-02 17:44:01 s 1 -179982.98 0 +276748.52 8440.0 C57
2021-08-02 17:54:01 S 20 20 17.614 +54 06 00.18 V C57
2021-08-02 17:54:01 s 1 -180198.27 6 +276273.88 3050.0 C57
2021-08-02 18:04:01 S 20 20 09.898 +54 05 32.82 V C57
2021-08-02 18:04:01 s 1 -180412.88 4 +275798.18 5410.0 C57
2021-08-02 18:24:01 S 20 19 49.747 +54 04 22.40 V C57
2021-08-02 18:24:01 s 1 -180840.02 6 +274843.63 3350.0 C57
2021-08-02 19:04:01 S 20 19 14.326 +54 02 15.22 V C57
2021-08-02 19:04:01 s 1 -181685.94 6 +272921.86 1820.0 C57
2021-08-02 19:14:01 S 20 19 05.290 +54 01 38.46 V C57
2021-08-02 19:14:01 s 1 -181895.66 9 +272438.77 8180.0 C57
2021-08-02 19:34:01 S 20 18 47.033 +54 00 34.38 V C57
2021-08-02 19:34:01 s 1 -182312.98 8 +271469.42 3950.0 C57
2021-08-02 19:44:01 S 20 18 37.330 +54 00 01.15 V 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)