163364 (2002 OD20)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3689086954 ± 9.28e-09
Semi-major axis (a)1.3652113042 AU ± 5.82e-10
Inclination (i)4.19272382° ± 2.11e-06
Long. of Asc. Node (Ω)259.84546661° ± 9.17e-06
Arg. of Perihelion (ω)275.32896840° ± 9.77e-06
Mean Anomaly (M)331.28901593° ± 3.71e-06
Mean Motion (n)0.6178918440°/day ± 3.95e-10
Perihelion dist (q)0.86157298 AU ± 1.27e-08
Aphelion dist (Q)1.86884963 AU ± 1.27e-08
Orbital Period1.59514370 yr ± 1.02e-09
Physical Parameters
H (abs. magnitude)18.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.277″
Uncertainty0
Orbit TypeApollo
MOID0.026069 AU
Observations Used602
Radar Obs Used5
Oppositions4
Arc Total2001-2025
First Observation Used2001-11-22
Last Observation Used2025-10-21
Observations (660)
Date Type RA Dec Mag Band Observatory
2005-06-09 03:59:30 C 11 14 08.26 -00 14 00.1 r 703
2005-06-09 04:08:02 C 11 14 11.29 -00 14 12.8 r 703
2005-06-25 20:17:59 C 13 23 05.27 -08 45 19.4 c A50
2005-06-25 20:19:06 C 13 23 05.44 -08 45 19.5 c A50
2005-06-25 20:21:19 C 13 23 06.11 -08 45 21.8 c A50
2005-06-25 20:22:24 C 13 23 06.35 -08 45 22.5 c A50
2005-06-25 20:23:30 C 13 23 06.64 -08 45 24.7 c A50
2005-06-27 05:00:15 C 13 31 43.03 -09 16 03.8 r G96
2005-06-27 05:01:32 C 13 31 43.35 -09 16 05.0 r G96
2005-06-27 05:02:48 C 13 31 43.68 -09 16 06.2 r G96
2005-06-27 05:04:04 C 13 31 44.00 -09 16 07.3 r G96
2005-07-04 04:39:48 C 14 11 27.67 -11 30 05.4 r 703
2005-07-04 04:47:30 C 14 11 29.32 -11 30 11.9 r 703
2005-07-04 04:55:12 C 14 11 30.98 -11 30 16.3 r 703
2005-07-04 05:02:59 C 14 11 32.56 -11 30 21.0 r 703
2005-08-05 04:04:14 C 16 11 09.46 -16 48 57.1 20.1 o 644
2005-08-05 04:34:13 C 16 11 12.89 -16 49 04.0 20.3 o 644
2005-08-05 05:06:02 C 16 11 16.57 -16 49 11.9 20.6 o 644
2007-07-25 07:43:30 C 00 42 36.48 +11 09 57.4 o H55
2007-07-25 08:10:21 C 00 42 36.90 +11 10 03.1 o H55
2007-09-14 07:32:04 C 00 09 41.09 +10 36 52.9 c 711
2007-09-14 07:44:52 C 00 09 39.98 +10 36 47.7 c 711
2007-09-14 07:57:40 C 00 09 39.30 +10 36 43.1 c 711
2009-09-28 11:34:16 C 07 05 17.03 +24 21 28.6 o 691
2012-10-13 08:59:15 C 03 30 19.67 +25 49 29.6 o 691
2012-10-13 09:02:55 C 03 30 19.58 +25 49 29.7 o 691
2012-10-13 09:25:46 C 03 30 18.79 +25 49 28.4 o 691
2012-10-13 09:29:35 C 03 30 18.64 +25 49 28.1 o 691
2012-10-13 10:08:23 C 03 30 17.34 +25 49 26.6 o 691
2012-10-13 10:11:56 C 03 30 17.22 +25 49 26.4 o 691
2012-10-22 09:03:48 C 03 21 02.07 +25 26 50.5 o 691
2012-10-22 09:29:17 C 03 21 00.57 +25 26 45.9 o 691
2012-10-22 09:54:47 C 03 20 59.10 +25 26 41.3 o 691
2012-10-22 12:55:50 c 03 20 49.036 +25 26 12.12 L F51
2012-10-22 13:16:50 c 03 20 47.784 +25 26 08.23 L F51
2012-10-22 13:37:36 c 03 20 46.553 +25 26 04.33 L F51
2012-10-22 13:58:27 c 03 20 45.316 +25 26 00.42 L F51
2012-10-24 12:48:04 c 03 18 01.541 +25 16 56.89 L F51
2012-10-24 13:07:49 c 03 18 00.262 +25 16 52.65 L F51
2012-11-06 21:28:46 C 02 53 25.90 +23 27 54.9 u A13
2012-11-06 22:32:28 C 02 53 19.99 +23 27 25.2 u A13
2012-11-06 22:57:44 C 02 53 17.57 +23 27 13.7 c A24
2012-11-06 22:58:47 C 02 53 17.50 +23 27 13.4 c A24
2012-11-06 22:59:49 C 02 53 17.39 +23 27 12.9 c A24
2012-11-06 23:00:51 C 02 53 17.32 +23 27 12.1 c A24
2012-11-07 00:10:05 C 02 53 10.80 +23 26 39.0 c A24
2012-11-07 00:11:08 C 02 53 10.76 +23 26 38.5 c A24
2012-11-07 00:12:10 C 02 53 10.64 +23 26 38.2 c A24
2012-11-07 10:56:37 C 02 52 11.82 +23 21 30.1 r 703
2012-11-07 11:03:07 C 02 52 11.13 +23 21 25.0 r 703
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-05-19 21:50:00 289971.876 3 Hz 8560 -14 -14
2013-05-19 22:00:00 288877.77 3 Hz 8560 -14 -14
2013-05-19 22:20:00 44126497.11 10 us 8560 -14 -14
2013-05-22 02:20:00 120531.656 3 Hz 8560 -14 -14
2013-05-22 02:40:00 39614561.06 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)