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
2006-05-06 03:58:14 C 06 55 29.35 +45 33 52.5 r 703
2006-06-16 04:01:11 C 09 47 57.40 +37 59 17.8 r 703
2006-06-16 04:02:36 C 09 47 57.58 +37 59 15.7 r 703
2006-06-16 04:04:01 C 09 47 57.80 +37 59 12.8 r 703
2006-06-16 04:05:26 C 09 47 58.02 +37 59 12.4 r 703
2006-12-11 12:40:15 C 14 16 59.12 +03 23 08.2 r 703
2006-12-11 12:45:50 C 14 17 00.06 +03 23 07.0 r 703
2006-12-11 12:51:26 C 14 17 00.92 +03 23 06.2 r 703
2006-12-11 12:57:00 C 14 17 01.75 +03 23 03.7 r 703
2008-02-13 01:54:16 C 00 37 58.76 +18 10 31.2 r 703
2008-02-13 01:59:51 C 00 37 59.70 +18 10 54.5 r 703
2008-02-13 02:05:24 C 00 38 00.56 +18 11 15.8 r 703
2008-02-13 02:10:58 C 00 38 01.50 +18 11 38.1 r 703
2008-02-18 01:49:22 C 00 58 11.58 +25 57 25.2 r 448
2008-02-18 01:53:29 C 00 58 12.31 +25 57 40.9 r 448
2008-02-18 01:57:04 C 00 58 12.88 +25 57 54.1 r 448
2008-02-18 02:00:08 C 00 58 13.37 +25 58 05.4 r 448
2008-02-24 18:01:30 C 01 25 28.77 +35 17 55.2 r 130
2008-02-24 18:03:45 C 01 25 29.14 +35 18 02.4 r 130
2008-02-24 18:05:59 C 01 25 29.53 +35 18 09.7 r 130
2008-02-24 18:08:13 C 01 25 29.89 +35 18 16.5 r 130
2008-02-28 02:09:37 C 01 39 26.37 +39 25 18.5 r 448
2008-02-28 02:12:42 C 01 39 26.91 +39 25 27.3 r 448
2008-02-28 02:15:47 C 01 39 27.44 +39 25 36.2 r 448
2008-02-28 02:18:52 C 01 39 27.97 +39 25 45.0 r 448
2008-02-28 02:21:57 C 01 39 28.51 +39 25 54.1 r 448
2008-03-17 21:06:06 C 03 06 02.12 +55 52 51.3 c J46
2008-03-17 21:22:00 C 03 06 05.43 +55 53 14.8 c J46
2008-03-17 21:37:29 C 03 06 08.62 +55 53 37.9 c J46
2008-04-17 03:06:15 C 05 56 38.12 +64 40 41.3 17.9 c 704
2008-04-17 03:22:39 C 05 56 41.98 +64 40 41.2 18.2 c 704
2008-04-17 04:09:56 C 05 56 53.18 +64 40 42.0 18.1 c 704
2008-05-03 03:25:26 C 07 21 14.86 +63 23 01.4 15.8 c 704
2008-05-03 03:39:49 C 07 21 17.65 +63 22 55.3 16.4 c 704
2008-05-03 03:54:08 C 07 21 20.46 +63 22 48.3 16.5 c 704
2008-05-03 04:09:02 C 07 21 23.62 +63 22 40.8 16.8 c 704
2008-05-03 04:23:22 C 07 21 26.05 +63 22 33.8 16.0 c 704
2008-05-11 03:32:16 C 07 56 03.13 +61 38 36.5 18.1 c 704
2008-05-11 03:46:13 C 07 56 05.45 +61 38 26.6 18.5 c 704
2008-05-11 04:00:27 C 07 56 07.69 +61 38 15.8 18.6 c 704
2008-05-11 04:28:12 C 07 56 12.24 +61 37 58.1 18.5 c 704
2010-03-23 20:58:53 C 20 05 06.92 +57 48 14.2 17.6 u C20
2010-03-23 21:00:59 C 20 05 07.21 +57 48 15.5 17.7 u C20
2010-03-24 02:24:03 C 20 05 50.48 +57 51 34.9 17.3 u 084
2010-03-24 19:47:53 C 20 08 13.16 +58 01 25.3 17.5 u C20
2010-03-24 19:50:00 C 20 08 13.48 +58 01 26.7 17.5 u C20
2010-03-24 22:53:36 C 20 08 38.79 +58 03 16.3 17.4 u 084
2010-03-25 21:12:33 C 20 11 44.87 +58 15 44.7 17.7 u C20
2010-03-25 21:14:40 C 20 11 45.19 +58 15 45.9 17.7 u C20
2010-03-27 19:09:21 C 20 18 16.12 +58 40 10.5 17.5 u C20
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)