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
2018-08-14 10:32:56 C 19 24 15.59 +49 19 51.8 U T05
2018-08-14 10:34:54 C 19 24 14.94 +49 19 48.1 U T05
2018-08-14 10:36:18 C 19 24 14.46 +49 19 45.8 U T05
2018-08-14 10:47:56 C 19 24 10.71 +49 19 26.3 U T05
2018-08-17 00:09:38 C 19 07 01.76 +47 37 22.4 V K65
2018-08-17 00:30:21 C 19 06 56.55 +47 36 47.2 V K65
2018-08-17 00:55:26 C 19 06 50.27 +47 36 04.2 V K65
2018-08-18 09:49:01 C 18 59 12.58 +46 42 24.0 U T05
2018-08-18 10:01:56 C 18 59 09.68 +46 42 02.2 U T05
2018-08-18 10:03:57 C 18 59 09.20 +46 41 59.3 U T05
2018-08-18 10:19:13 C 18 59 05.76 +46 41 33.8 U T05
2018-08-30 08:22:31 C 18 21 07.44 +39 53 00.7 U T05
2018-08-30 08:30:46 C 18 21 06.88 +39 52 51.3 U T05
2018-08-30 08:49:17 C 18 21 05.40 +39 52 27.4 U T05
2018-08-30 08:59:05 C 18 21 04.68 +39 52 15.1 U T05
2018-08-31 20:35:51 C 18 18 40.14 +39 09 38.4 V C95
2018-08-31 20:51:07 C 18 18 39.07 +39 09 20.4 V C95
2018-08-31 21:06:23 C 18 18 38.04 +39 09 02.4 V C95
2018-09-06 06:12:50 C 18 12 25.69 +36 48 28.4 V 703
2018-09-06 06:21:40 C 18 12 25.39 +36 48 19.1 V 703
2018-09-06 06:30:29 C 18 12 25.02 +36 48 09.3 V 703
2018-09-25 05:50:28 C 18 10 14.114 +30 43 51.83 U F52
2018-09-25 06:09:09 C 18 10 14.359 +30 43 40.01 U F52
2018-09-25 06:27:54 C 18 10 14.613 +30 43 28.41 U F52
2018-10-02 05:23:31 C 18 13 55.275 +29 07 34.77 U F52
2018-10-02 06:12:07 C 18 13 56.437 +29 07 08.71 U F52
2018-10-10 02:42:27 C 18 19 55.22 +27 36 33.7 V G96
2018-10-10 02:52:07 C 18 19 55.55 +27 36 29.2 V G96
2018-10-10 03:01:45 C 18 19 55.86 +27 36 25.2 V G96
2018-10-10 03:11:26 C 18 19 56.21 +27 36 20.7 V G96
2021-07-21 18:00:42 C 02 47 24.89 +27 54 57.3 q Q21
2021-07-21 18:05:45 C 02 47 21.59 +27 55 53.9 q Q21
2021-07-21 18:11:19 C 02 47 17.87 +27 56 55.9 q Q21
2021-07-22 17:34:28 C 02 30 58.02 +32 26 19.9 q Q21
2021-07-22 17:39:32 C 02 30 54.14 +32 27 20.0 q Q21
2021-07-23 00:57:28 C 02 25 10.39 +33 53 54.7 V C23
2021-07-23 01:00:21 C 02 25 08.09 +33 54 30.3 V C23
2021-07-23 01:03:15 C 02 25 05.67 +33 55 04.8 V C23
2021-07-23 01:19:41 C 02 24 52.36 +33 58 27.3 V A17
2021-07-23 01:27:28 C 02 24 45.99 +34 00 01.7 V A17
2021-07-23 01:35:54 C 02 24 39.10 +34 01 43.7 V A17
2021-07-23 14:12:44 C 02 13 54.12 +36 35 12.7 V T08
2021-07-23 14:36:58 C 02 13 31.77 +36 40 10.5 V T08
2021-07-23 14:43:00 C 02 13 26.17 +36 41 24.9 V T08
2021-07-23 14:53:44 C 02 13 16.31 +36 43 36.1 V T08
2021-07-23 17:15:50 C 02 11 09.07 +37 11 51.5 q Q21
2021-07-23 17:20:55 C 02 11 04.31 +37 12 55.1 q Q21
2021-07-24 17:04:28 C 01 47 10.40 +42 01 04.9 q Q21
2021-07-24 17:08:40 C 01 47 05.66 +42 01 56.3 q Q21
2021-07-24 17:13:04 C 01 47 00.74 +42 02 49.5 q Q21
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)