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
2002-08-16 09:15:34 C 21 25 15.89 -05 39 32.3 c 644
2002-08-16 09:46:12 C 21 25 13.43 -05 39 44.3 c 644
2002-08-26 06:22:27 C 21 08 20.26 -07 10 16.3 c 644
2002-08-26 07:09:19 C 21 08 17.12 -07 10 34.1 c 644
2002-08-26 07:52:02 C 21 08 14.32 -07 10 50.2 c 644
2002-09-10 03:50:31 C 20 51 01.24 -09 08 52.1 c 649
2002-09-10 04:01:36 C 20 51 00.80 -09 08 55.6 c 649
2002-09-10 04:12:41 C 20 51 00.42 -09 08 58.5 c 649
2004-07-21 13:08:15 C 02 06 44.221 +17 38 17.46 o 568
2004-07-21 13:14:19 C 02 06 44.580 +17 38 19.66 o 568
2004-07-22 13:46:04 C 02 08 10.430 +17 47 20.81 o 568
2004-07-22 13:51:42 C 02 08 10.751 +17 47 22.92 o 568
2004-09-17 07:44:27 C 02 58 11.95 +23 39 20.3 d 291
2004-09-17 07:50:21 C 02 58 12.01 +23 39 21.0 d 291
2004-09-17 07:58:46 C 02 58 11.95 +23 39 22.8 d 291
2004-10-21 06:24:49 C 02 28 25.75 +22 30 28.2 19.9 c 704
2004-10-21 06:41:43 C 02 28 24.51 +22 30 21.9 19.8 c 704
2004-10-21 06:58:46 C 02 28 23.16 +22 30 16.1 20.2 c 704
2004-10-21 07:32:39 C 02 28 20.48 +22 30 05.9 20.2 c 704
2004-10-23 01:17:09 C 02 25 08.38 +22 14 40.8 r 170
2004-10-23 01:20:29 C 02 25 08.09 +22 14 39.1 r 170
2004-11-12 05:15:31 C 01 43 54.17 +17 50 45.6 c 711
2004-11-12 05:26:46 C 01 43 53.22 +17 50 39.8 c 711
2004-11-12 05:37:54 C 01 43 52.21 +17 50 29.3 c 711
2004-11-19 05:10:52 C 01 31 06.77 +16 00 19.7 d 703
2004-11-19 05:22:41 C 01 31 05.91 +16 00 12.5 d 703
2004-11-19 05:34:33 C 01 31 05.03 +16 00 03.8 d 703
2004-11-19 05:46:20 C 01 31 04.22 +15 59 56.7 d 703
2004-12-11 19:18:09 C 01 09 05.83 +11 15 40.9 c 246
2004-12-11 19:19:43 C 01 09 05.80 +11 15 39.6 c 246
2004-12-11 19:20:55 C 01 09 05.75 +11 15 40.1 c 246
2004-12-11 19:22:22 C 01 09 05.72 +11 15 38.7 c 246
2004-12-11 19:23:34 C 01 09 05.75 +11 15 38.8 c 246
2004-12-11 19:24:41 C 01 09 05.76 +11 15 38.4 c 246
2004-12-11 19:26:04 C 01 09 05.76 +11 15 37.8 c 246
2004-12-11 19:27:12 C 01 09 05.71 +11 15 36.9 c 246
2005-05-21 03:41:38 C 08 38 00.34 +09 41 07.5 r G96
2005-05-21 03:45:53 C 08 38 01.60 +09 41 02.7 r G96
2005-05-21 03:50:07 C 08 38 02.83 +09 40 58.7 r G96
2005-05-21 03:54:21 C 08 38 04.05 +09 40 54.9 r G96
2005-06-01 03:46:23 C 10 04 33.63 +04 28 43.9 r 703
2005-06-01 03:55:52 C 10 04 36.91 +04 28 31.8 r 703
2005-06-01 04:05:14 C 10 04 40.18 +04 28 18.8 r 703
2005-06-01 04:14:43 C 10 04 43.46 +04 28 04.7 r 703
2005-06-05 03:48:02 C 10 39 09.03 +02 10 02.0 r 703
2005-06-05 03:57:28 C 10 39 12.42 +02 09 48.3 r 703
2005-06-05 04:06:49 C 10 39 15.80 +02 09 34.6 r 703
2005-06-05 04:16:10 C 10 39 19.08 +02 09 20.9 r 703
2005-06-09 03:42:34 C 11 14 02.22 -00 13 35.5 r 703
2005-06-09 03:51:02 C 11 14 05.24 -00 13 47.4 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)