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
2021-08-05 13:44:00 S 19 30 35.400 +50 30 59.00 V C57
2021-08-05 13:44:00 s 1 -158155.52 9 - 8669.918 1380.0 C57
2021-08-05 13:54:00 S 19 30 29.102 +50 30 31.75 V C57
2021-08-05 13:54:00 s 1 -157577.43 1 - 9552.232 9470.0 C57
2021-08-05 14:04:00 S 19 30 23.659 +50 30 04.68 V C57
2021-08-05 14:04:00 s 1 -156994.34 1 -10434.239 1820.0 C57
2021-08-05 15:04:00 S 19 29 47.621 +50 27 08.82 V C57
2021-08-05 15:04:00 s 1 -153389.17 2 -15718.063 9840.0 C57
2021-08-05 15:34:00 S 19 29 29.222 +50 25 45.84 V C57
2021-08-05 15:34:00 s 1 -151516.55 6 -18353.169 8260.0 C57
2021-08-05 15:44:00 S 19 29 23.220 +50 25 15.13 V C57
2021-08-05 15:44:00 s 1 -150881.75 4 -19230.292 7700.0 C57
2021-08-05 15:54:00 S 19 29 17.134 +50 24 46.91 V C57
2021-08-05 15:54:00 s 1 -150241.59 7 -20106.730 290.0 C57
2021-08-05 16:04:00 S 19 29 11.681 +50 24 18.18 V C57
2021-08-05 16:04:00 s 1 -149596.05 1 -20982.444 5930.0 C57
2021-08-05 16:14:00 S 19 29 04.730 +50 23 48.34 V C57
2021-08-05 16:14:00 s 1 -148945.08 2 -21857.394 4500.0 C57
2021-08-05 16:24:00 S 19 28 58.862 +50 23 21.70 V C57
2021-08-05 16:24:00 s 1 -148288.65 7 -22731.541 5920.0 C57
2021-08-05 16:34:00 S 19 28 53.287 +50 22 53.90 V C57
2021-08-05 16:34:00 s 1 -147626.74 1 -23604.843 60.0 C57
2021-08-05 16:44:00 S 19 28 47.388 +50 22 22.48 V C57
2021-08-05 16:44:00 s 1 -146959.29 9 -24477.259 6830.0 C57
2021-08-05 16:54:00 S 19 28 42.271 +50 21 56.92 V C57
2021-08-05 16:54:00 s 1 -146286.29 7 -25348.747 6120.0 C57
2021-08-05 17:04:00 S 19 28 34.541 +50 21 22.50 V C57
2021-08-05 17:04:00 s 1 -145607.70 1 -26219.262 7830.0 C57
2021-08-05 17:14:00 S 19 28 29.630 +50 20 59.21 V C57
2021-08-05 17:14:00 s 1 -144923.47 6 -27088.761 1850.0 C57
2021-08-05 17:34:00 S 19 28 17.494 +50 20 01.68 V C57
2021-08-05 17:34:00 s 1 -143538.00 0 -28824.531 6410.0 C57
2021-08-05 17:44:00 S 19 28 10.793 +50 19 32.45 V C57
2021-08-05 17:44:00 s 1 -142836.68 0 -29690.709 6730.0 C57
2021-08-05 17:54:00 S 19 28 05.074 +50 19 03.76 V C57
2021-08-05 17:54:00 s 1 -142129.59 1 -30555.685 8940.0 C57
2021-08-05 18:04:00 S 19 27 59.947 +50 18 37.87 V C57
2021-08-05 18:04:00 s 1 -141416.70 0 -31419.412 2940.0 C57
2021-08-05 18:14:00 S 19 27 53.990 +50 18 10.37 V C57
2021-08-05 18:14:00 s 1 -140697.97 1 -32281.839 8610.0 C57
2021-08-06 10:48:26 C 19 17 06.48 +49 24 36.9 V T05
2021-08-06 10:56:27 C 19 17 02.37 +49 24 07.7 V T05
2021-08-06 11:46:56 C 19 16 36.64 +49 21 03.3 V T05
2021-08-07 19:11:59 C 19 02 50.56 +47 33 21.1 V K73
2021-08-07 19:16:33 C 19 02 48.75 +47 33 06.3 V K73
2021-08-07 19:21:07 C 19 02 46.80 +47 32 52.0 V K73
2021-08-07 19:25:41 C 19 02 44.98 +47 32 36.5 V K73
2021-08-09 20:50:01 C 18 46 10.55 +45 00 15.7 V L99
2021-08-09 20:56:41 C 18 46 08.67 +44 59 56.1 V L99
2021-08-09 21:03:21 C 18 46 06.78 +44 59 37.9 V L99
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)