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
2003-03-26 01:49:09 C 19 56 26.58 +46 55 30.4 c 084
2003-03-27 01:58:16 C 20 00 17.54 +47 04 37.4 i 071
2003-03-27 02:05:21 C 20 00 18.57 +47 04 41.5 i 071
2003-03-27 02:12:15 C 20 00 19.44 +47 04 45.1 i 071
2003-03-29 01:19:31 C 20 07 57.62 +47 20 44.2 c 084
2003-04-02 01:46:09 C 20 24 18.21 +47 46 40.8 c 084
2003-04-09 00:57:26 C 20 55 14.42 +48 05 12.1 c 084
2003-04-20 02:27:49 C 21 52 39.76 +46 59 52.2 d 118
2003-04-20 02:33:14 C 21 52 41.06 +46 59 49.2 d 118
2003-04-20 02:37:50 C 21 52 42.09 +46 59 47.0 d 118
2003-04-20 02:40:50 C 21 52 43.24 +46 59 44.0 d 941
2003-04-20 02:40:56 C 21 52 42.87 +46 59 45.2 d 118
2003-04-20 02:42:07 C 21 52 43.50 +46 59 43.2 d 941
2003-04-20 02:43:23 C 21 52 43.81 +46 59 42.2 d 941
2003-04-20 02:44:41 C 21 52 44.10 +46 59 42.2 d 941
2003-04-20 02:48:33 C 21 52 45.09 +46 59 41.3 d 941
2003-04-20 23:20:45 C 21 57 38.77 +46 48 11.6 c 084
2003-04-26 23:17:37 C 22 33 47.47 +44 56 45.6 c 084
2003-05-02 23:17:44 C 23 12 29.15 +42 02 02.2 c 084
2004-03-14 18:17:48 C 01 26 23.00 +01 32 15.4 c 540
2004-03-17 18:20:12 C 01 42 57.40 +04 05 17.9 r 540
2004-03-17 18:24:55 C 01 42 58.56 +04 05 27.4 r 540
2004-03-31 18:45:06 C 02 56 19.43 +15 30 34.4 r 540
2004-03-31 18:52:31 C 02 56 21.10 +15 30 48.9 r 540
2004-04-20 19:52:31 C 04 36 03.16 +28 11 35.6 r 204
2004-04-20 20:07:59 C 04 36 06.33 +28 11 54.7 r 204
2004-12-09 12:31:30 C 13 39 37.31 +00 50 43.1 d 703
2004-12-09 12:40:47 C 13 39 38.64 +00 50 49.6 d 703
2004-12-09 12:50:04 C 13 39 39.90 +00 50 56.2 d 703
2004-12-09 12:59:24 C 13 39 41.21 +00 51 02.7 d 703
2004-12-11 05:10:31 C 13 45 22.45 +01 17 47.2 r 170
2004-12-11 05:12:48 C 13 45 22.81 +01 17 48.6 r 170
2004-12-11 05:15:06 C 13 45 23.14 +01 17 50.4 r 170
2005-01-01 04:00:23 C 14 59 15.65 +05 22 41.4 o 084
2005-01-22 05:24:55 C 16 15 53.86 +07 46 50.6 r 170
2005-01-22 05:27:26 C 16 15 54.25 +07 46 51.4 r 170
2005-01-22 05:30:23 C 16 15 54.68 +07 46 52.1 r 170
2006-03-20 19:30:36 C 03 07 08.81 +26 41 56.6 r 215
2006-03-23 19:11:28 C 03 21 23.01 +29 02 34.8 r 113
2006-03-23 19:13:34 C 03 21 23.43 +29 02 38.4 r 113
2006-03-23 19:15:40 C 03 21 23.87 +29 02 42.8 r 113
2006-04-08 20:18:24 C 04 39 28.33 +38 53 33.8 r J87
2006-04-08 20:34:25 C 04 39 31.63 +38 53 52.2 r J87
2006-04-08 20:50:10 C 04 39 34.87 +38 54 10.3 r J87
2006-05-02 19:53:12 C 06 39 10.19 +45 21 10.7 o A94
2006-05-02 19:55:47 C 06 39 10.78 +45 21 11.2 o A94
2006-05-02 19:59:00 C 06 39 11.36 +45 21 11.7 o A94
2006-05-06 03:33:38 C 06 55 24.49 +45 33 50.5 r 703
2006-05-06 03:42:03 C 06 55 26.22 +45 33 50.4 r 703
2006-05-06 03:49:59 C 06 55 27.76 +45 33 51.4 r 703
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)