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
2021-08-23 02:35:30 C 18 04 14.79 +34 48 23.0 V I22
2021-08-23 02:36:38 C 18 04 14.78 +34 48 21.2 V I22
2021-08-23 02:37:48 C 18 04 14.60 +34 48 20.4 V I22
2021-08-23 02:38:57 C 18 04 14.63 +34 48 19.5 V I22
2021-08-23 09:06:11 C 18 03 54.82 +34 40 14.2 V T08
2021-08-23 09:10:51 C 18 03 54.54 +34 40 08.2 V T08
2021-08-23 09:28:49 C 18 03 53.59 +34 39 44.5 V T08
2021-08-23 09:43:31 C 18 03 52.75 +34 39 25.1 V T08
2021-08-24 05:24:52 C 18 02 58.62 +34 14 58.5 U I41
2021-08-24 06:52:58 C 18 02 54.27 +34 13 09.0 U I41
2021-08-24 06:54:19 C 18 02 54.22 +34 13 07.2 U I41
2021-08-24 06:55:01 C 18 02 54.18 +34 13 06.2 U I41
2021-08-26 06:51:12 C 18 01 04.49 +33 17 32.8 V 703
2021-08-26 06:59:10 C 18 01 04.25 +33 17 23.5 V 703
2021-08-26 07:15:06 C 18 01 03.57 +33 17 05.7 V 703
2021-08-27 06:04:22 C 18 00 22.01 +32 52 22.4 V 703
2021-08-27 06:12:53 C 18 00 21.73 +32 52 13.4 V 703
2021-08-27 06:21:22 C 18 00 21.48 +32 52 04.5 V 703
2021-08-29 06:56:29 C 17 59 12.17 +32 02 39.9 V T05
2021-08-29 07:01:48 C 17 59 12.03 +32 02 35.2 V T05
2021-08-29 07:10:28 C 17 59 11.79 +32 02 26.4 V T05
2021-08-29 07:28:08 C 17 59 11.35 +32 02 09.2 V T05
2021-08-31 09:55:14 C 17 58 22.25 +31 14 43.7 V T08
2021-08-31 09:59:17 C 17 58 22.22 +31 14 39.7 V T08
2021-08-31 10:19:11 C 17 58 21.95 +31 14 21.0 V T08
2021-08-31 11:00:08 C 17 58 21.35 +31 13 42.3 V T08
2021-09-03 04:21:02 C 17 57 50.88 +30 17 42.7 V G96
2021-09-03 04:29:10 C 17 57 50.83 +30 17 35.6 V G96
2021-09-03 04:37:18 C 17 57 50.76 +30 17 29.0 V G96
2021-09-03 04:45:26 C 17 57 50.67 +30 17 22.3 V G96
2021-09-04 07:51:34 C 17 57 46.64 +29 55 44.1 V T08
2021-09-04 07:52:53 C 17 57 46.61 +29 55 42.3 V T08
2021-09-04 07:57:32 C 17 57 46.59 +29 55 38.7 V T08
2021-09-04 08:24:27 C 17 57 46.46 +29 55 16.4 V T08
2021-09-04 08:30:27 C 17 57 46.40 +29 55 11.4 V T08
2021-09-10 04:32:59 C 17 58 36.38 +28 14 53.7 V 703
2021-09-10 04:40:36 C 17 58 36.48 +28 14 48.8 V 703
2021-09-10 04:51:21 C 17 58 36.54 +28 14 41.3 V 703
2021-09-10 05:00:44 C 17 58 36.53 +28 14 34.6 V 703
2024-07-28 20:49:49 C 11 09 44.198 +63 06 51.66 Z C23
2024-07-28 20:53:00 C 11 10 06.288 +63 07 28.92 Z C23
2024-07-28 20:55:53 C 11 10 25.764 +63 08 03.84 Z C23
2024-07-28 20:57:57 C 11 10 39.886 +63 08 26.34 Z C23
2024-07-28 21:50:57 C 11 16 42.386 +63 18 29.16 V Z80
2024-07-28 21:52:26 C 11 16 52.596 +63 18 44.96 V Z80
2024-07-28 21:58:22 C 11 17 33.331 +63 19 46.70 V Z80
2024-07-28 22:02:38 C 11 18 02.671 +63 20 30.98 V Z80
2024-07-28 22:05:52 C 11 18 24.830 +63 21 04.25 V Z80
2024-07-28 22:12:49 C 11 19 12.770 +63 22 15.10 V Z80
2024-07-28 22:13:44 C 11 19 19.063 +63 22 24.35 V Z80
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)