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 22:54:01 S 20 15 47.604 +53 49 38.89 V C57
2021-08-02 22:54:01 s 1 -186325.80 6 +261541.68 7260.0 C57
2021-08-02 23:04:01 S 20 15 38.206 +53 49 04.84 V C57
2021-08-02 23:04:01 s 1 -186518.57 6 +261034.06 8220.0 C57
2021-08-02 23:14:01 S 20 15 29.578 +53 48 32.58 V C57
2021-08-02 23:14:01 s 1 -186710.57 6 +260525.36 6660.0 C57
2021-08-02 23:24:01 S 20 15 20.642 +53 48 01.66 V C57
2021-08-02 23:24:01 s 1 -186901.80 4 +260015.59 2580.0 C57
2021-08-02 23:44:01 S 20 15 02.899 +53 46 54.05 V C57
2021-08-02 23:44:01 s 1 -187281.92 9 +258992.82 6830.0 C57
2021-08-03 00:14:01 S 20 14 36.878 +53 45 17.14 V C57
2021-08-03 00:14:01 s 1 -187846.24 9 +257450.58 4060.0 C57
2021-08-03 00:24:01 S 20 14 28.260 +53 44 44.23 V C57
2021-08-03 00:24:01 s 1 -188032.77 9 +256934.34 4660.0 C57
2021-08-03 00:34:01 S 20 14 19.493 +53 44 13.16 V C57
2021-08-03 00:34:01 s 1 -188218.51 7 +256417.02 2680.0 C57
2021-08-03 00:44:01 S 20 14 10.322 +53 43 38.82 V C57
2021-08-03 00:44:01 s 1 -188403.45 8 +255898.62 8100.0 C57
2021-08-03 00:54:01 S 20 14 01.589 +53 43 02.24 V C57
2021-08-03 00:54:01 s 1 -188587.60 1 +255379.14 920.0 C57
2021-08-03 01:44:01 S 20 13 18.890 +53 40 22.37 V C57
2021-08-03 01:44:01 s 1 -189496.22 8 +252765.46 5640.0 C57
2021-08-03 02:44:01 S 20 12 26.110 +53 37 01.09 V C57
2021-08-03 02:44:01 s 1 -190559.58 7 +249593.19 7390.0 C57
2021-08-03 03:14:01 S 20 12 01.200 +53 35 26.41 V C57
2021-08-03 03:14:01 s 1 -191080.03 0 +247992.35 1680.0 C57
2021-08-03 03:24:01 S 20 11 52.673 +53 34 54.34 V C57
2021-08-03 03:24:01 s 1 -191251.82 5 +247456.54 4300.0 C57
2021-08-03 03:34:01 S 20 11 43.399 +53 34 17.65 V C57
2021-08-03 03:34:01 s 1 -191422.77 2 +246919.65 4150.0 C57
2021-08-03 03:44:01 S 20 11 35.650 +53 33 49.28 V C57
2021-08-03 03:44:01 s 1 -191592.86 8 +246381.66 1240.0 C57
2021-08-03 03:54:01 S 20 11 26.462 +53 33 13.61 V C57
2021-08-03 03:54:01 s 1 -191762.10 9 +245842.58 5540.0 C57
2021-08-03 04:04:00 S 20 11 17.954 +53 32 41.46 V C57
2021-08-03 04:04:00 s 1 -191930.49 3 +245302.40 7060.0 C57
2021-08-03 04:14:01 S 20 11 09.857 +53 32 10.18 V C57
2021-08-03 04:14:01 s 1 -192098.01 6 +244761.12 5780.0 C57
2021-08-03 04:24:01 S 20 11 01.541 +53 31 36.48 V C57
2021-08-03 04:24:01 s 1 -192264.67 4 +244218.75 1680.0 C57
2021-08-03 04:34:01 S 20 10 52.817 +53 31 01.02 V C57
2021-08-03 04:34:01 s 1 -192430.46 5 +243675.28 4770.0 C57
2021-08-03 04:44:01 S 20 10 44.518 +53 30 28.44 V C57
2021-08-03 04:44:01 s 1 -192595.38 5 +243130.70 5020.0 C57
2021-08-03 04:54:01 S 20 10 36.230 +53 29 58.60 V C57
2021-08-03 04:54:01 s 1 -192759.43 1 +242585.03 2440.0 C57
2021-08-03 05:04:01 S 20 10 28.418 +53 29 25.48 V C57
2021-08-03 05:04:01 s 1 -192922.59 9 +242038.26 7000.0 C57
2021-08-03 05:14:01 S 20 10 18.953 +53 28 50.66 V C57
2021-08-03 05:14:01 s 1 -193084.88 6 +241490.39 8700.0 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)