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
2017-03-03 01:41:26 C 20 08 38.48 +61 19 01.9 u 557
2017-03-03 02:40:11 C 20 08 42.83 +61 20 11.7 u 557
2017-03-03 03:42:01 C 20 08 47.39 +61 21 25.3 u 557
2017-03-03 04:40:46 C 20 08 51.60 +61 22 34.8 u 557
2017-03-07 23:11:25 C 20 17 55.18 +63 23 49.9 u 557
2017-03-08 00:13:15 C 20 18 00.66 +63 24 54.1 u 557
2017-03-08 01:12:30 C 20 18 05.76 +63 25 55.9 u 557
2017-03-08 02:11:04 C 20 18 10.70 +63 26 57.3 u 557
2017-03-08 03:03:38 C 20 18 15.01 +63 27 52.3 u 557
2017-03-08 19:29:11 C 20 19 34.23 +63 43 46.7 q Z80
2017-03-08 19:31:59 C 20 19 34.41 +63 43 49.3 q Z80
2017-03-08 19:34:46 C 20 19 34.62 +63 43 51.7 q Z80
2017-03-08 19:37:34 C 20 19 34.83 +63 43 54.5 q Z80
2017-03-08 19:40:35 C 20 19 35.17 +63 43 57.4 q Z80
2017-03-16 00:22:03 C 20 35 12.75 +66 18 13.4 q Z80
2017-03-16 00:27:18 C 20 35 13.40 +66 18 18.8 q Z80
2017-03-16 00:32:32 C 20 35 13.90 +66 18 23.6 q Z80
2017-03-16 00:37:47 C 20 35 14.36 +66 18 27.6 q Z80
2017-03-16 23:17:00 C 20 37 27.72 +66 36 50.0 u 557
2017-03-16 23:54:06 C 20 37 31.61 +66 37 21.3 u 557
2017-03-26 22:45:52 C 21 04 06.89 +69 29 50.4 u 557
2017-03-26 23:47:43 C 21 04 15.05 +69 30 32.8 u 557
2017-03-27 00:45:42 C 21 04 22.57 +69 31 13.0 u 557
2017-03-27 01:46:35 C 21 04 30.29 +69 31 55.5 u 557
2017-03-27 02:47:34 C 21 04 37.87 +69 32 38.0 u 557
2017-03-27 03:43:12 C 21 04 44.65 +69 33 16.5 u 557
2017-03-28 22:32:20 C 21 10 15.36 +69 59 57.1 u 557
2017-03-28 23:31:05 C 21 10 23.56 +70 00 35.5 u 557
2017-03-29 00:32:55 C 21 10 32.04 +70 01 16.4 u 557
2017-03-29 02:16:10 C 21 10 45.76 +70 02 24.6 u 557
2017-04-06 23:40:00 C 21 42 54.70 +71 56 46.2 U Z80
2017-04-06 23:43:29 C 21 42 55.21 +71 56 47.3 U Z80
2017-04-06 23:46:52 C 21 42 55.96 +71 56 48.4 U Z80
2017-04-06 23:50:27 C 21 42 56.58 +71 56 50.5 U Z80
2017-04-06 23:53:56 C 21 42 57.05 +71 56 52.7 U Z80
2017-04-06 23:57:25 C 21 42 57.72 +71 56 54.1 U Z80
2017-04-20 19:30:19 C 22 54 21.10 +73 24 43.3 u 557
2017-04-20 20:32:09 C 22 54 38.13 +73 24 44.5 u 557
2017-04-20 21:30:55 C 22 54 54.34 +73 24 46.5 u 557
2017-04-24 22:46:12 C 23 21 45.66 +73 16 43.4 u 557
2017-04-24 23:54:15 C 23 22 05.86 +73 16 33.0 u 557
2017-04-25 00:52:58 C 23 22 23.12 +73 16 24.3 u 557
2017-04-25 01:51:43 C 23 22 40.21 +73 16 15.8 u 557
2017-04-30 19:45:46 C 00 04 02.45 +72 22 00.8 u 557
2017-04-30 20:38:21 C 00 04 19.38 +72 21 28.5 u 557
2017-04-30 21:38:36 C 00 04 38.74 +72 20 52.4 u 557
2018-12-14 12:30:24 C 14 01 42.61 -04 32 17.0 V 703
2018-12-14 12:37:51 C 14 01 43.31 -04 32 04.5 V 703
2018-12-14 12:52:43 C 14 01 45.00 -04 31 41.2 V 703
2018-12-18 15:32:50 C 14 13 19.04 -01 59 45.5 V T05
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)