163693 (2003 CP20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3221202973 ± 3.02e-08
Semi-major axis (a)0.7409831376 AU ± 3.80e-10
Inclination (i)25.61868465° ± 4.34e-06
Long. of Asc. Node (Ω)103.86974614° ± 6.62e-06
Arg. of Perihelion (ω)252.93146121° ± 3.70e-06
Mean Anomaly (M)37.26246679° ± 8.09e-06
Mean Motion (n)1.5452536880°/day ± 1.19e-09
Perihelion dist (q)0.50229743 AU ± 2.24e-08
Aphelion dist (Q)0.97966885 AU ± 2.24e-08
Orbital Period0.63784108 yr ± 4.90e-10
Physical Parameters
H (abs. magnitude)16.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.317″
Uncertainty0
Orbit TypeAtira
MOID0.207444 AU
Observations Used925
Radar Obs Used2
Gaia Obs Used38
Oppositions8
Arc Total2003-2017
First Observation Used2003-02-12
Last Observation Used2026-01-11
Observations (982)
Date Type RA Dec Mag Band Observatory
2010-03-27 19:11:27 C 20 18 16.45 +58 40 11.6 17.3 u C20
2010-03-28 22:43:58 C 20 22 18.78 +58 54 14.0 17.5 u C20
2010-03-28 22:46:05 C 20 22 19.12 +58 54 15.2 17.5 u C20
2010-04-01 01:19:41 C 20 33 39.39 +59 28 43.6 17.3 u 084
2010-04-01 01:23:52 C 20 33 40.08 +59 28 45.7 17.6 u 084
2010-04-01 01:58:06 C 20 33 45.57 +59 29 07.3 17.8 u C20
2010-04-01 02:00:13 C 20 33 45.91 +59 29 08.5 17.7 u C20
2010-04-02 01:02:42 C 20 37 25.05 +59 38 39.7 17.0 u 084
2010-04-05 00:27:12 C 20 49 13.58 +60 05 32.8 17.7 u C20
2010-04-05 00:29:19 C 20 49 14.03 +60 05 33.8 17.8 u C20
2010-04-11 00:47:22 C 21 15 33.27 +60 43 16.2 18.2 u 084
2010-04-11 00:51:32 C 21 15 34.08 +60 43 17.4 18.1 u 084
2010-04-12 23:42:36 C 21 24 54.76 +60 49 53.7 17.8 u 084
2010-04-16 22:29:28 C 21 45 07.86 +60 52 57.5 17.9 u C20
2010-04-16 22:31:36 C 21 45 08.33 +60 52 57.4 17.9 u C20
2010-04-17 19:42:39 C 21 49 53.39 +60 51 20.9 18.5 u C20
2010-04-17 19:44:45 C 21 49 53.86 +60 51 20.6 18.3 u C20
2010-04-19 19:15:31 C 22 00 54.53 +60 44 43.7 18.1 u C20
2010-04-19 19:17:37 C 22 00 55.06 +60 44 43.6 18.4 u C20
2010-04-25 21:34:48 C 22 37 40.24 +59 50 40.2 17.9 u 084
2010-04-26 21:34:56 C 22 44 04.96 +59 36 03.7 18.7 u 084
2010-04-28 21:19:28 C 22 57 07.49 +59 01 27.3 18.6 u C20
2010-04-29 21:37:58 C 23 03 53.40 +58 40 49.0 18.4 u C20
2010-05-01 22:19:26 C 23 17 39.06 +57 52 50.9 17.5 u 084
2011-12-31 12:49:46 C 14 51 34.84 +05 06 20.9 r 703
2011-12-31 12:54:42 C 14 51 35.56 +05 06 24.4 r 703
2011-12-31 12:59:42 C 14 51 36.25 +05 06 27.6 r 703
2011-12-31 13:04:34 C 14 51 36.90 +05 06 31.0 r 703
2012-01-19 03:59:51 C 15 57 41.63 +09 08 15.4 u C73
2012-01-19 04:03:13 C 15 57 42.06 +09 08 16.4 u C73
2012-01-19 04:06:36 C 15 57 42.61 +09 08 17.8 u C73
2012-01-19 04:13:21 C 15 57 43.68 +09 08 21.1 u C73
2012-01-20 12:07:30 C 16 02 30.48 +09 22 27.1 r 703
2012-01-20 12:15:01 C 16 02 31.59 +09 22 30.5 r 703
2012-01-20 12:22:20 C 16 02 32.67 +09 22 33.7 r 703
2012-01-20 12:29:47 C 16 02 33.79 +09 22 37.0 r 703
2013-04-07 03:02:06 C 04 20 35.88 +34 14 13.8 u 703
2013-04-07 03:08:57 C 04 20 37.24 +34 14 22.9 u 703
2013-04-07 03:15:50 C 04 20 38.72 +34 14 32.9 u 703
2013-04-07 03:22:35 C 04 20 40.05 +34 14 41.9 u 703
2014-01-06 02:16:23 C 15 44 11.73 +01 44 18.4 o C41
2014-01-06 02:19:27 C 15 44 12.24 +01 44 17.6 o C41
2014-01-06 03:02:13 C 15 44 18.95 +01 44 08.7 o C41
2014-01-06 03:05:21 C 15 44 19.36 +01 44 08.0 o C41
2015-02-19 17:52:50 C 01 14 00.44 +19 59 23.7 q 160
2015-02-19 17:55:27 C 01 14 00.89 +19 59 31.9 q 160
2015-02-19 17:57:56 C 01 14 01.32 +19 59 40.1 q 160
2015-03-03 00:38:55 C 02 03 08.84 +34 09 40.5 q I15
2015-03-03 00:42:14 C 02 03 09.40 +34 09 49.2 q I15
2015-03-03 00:45:36 C 02 03 10.02 +34 09 58.1 q I15
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-01-20 15:20:00 207691655.67 4 us 2380 -1 -1
2017-01-23 16:03:00 212239565.34 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)