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
2003-02-25 04:03:23 C 18 21 13.62 +39 10 29.1 c 246
2003-02-25 04:04:11 C 18 21 13.74 +39 10 30.1 c 246
2003-02-25 04:04:56 C 18 21 13.84 +39 10 30.7 c 246
2003-02-25 04:21:38 C 18 21 15.82 +39 10 47.1 d 557
2003-02-25 04:40:23 C 18 21 18.20 +39 11 07.5 c 599
2003-02-25 04:43:05 C 18 21 18.52 +39 11 10.2 c 599
2003-02-25 04:44:29 C 18 21 18.60 +39 11 09.6 d 557
2003-02-25 04:44:31 C 18 21 18.67 +39 11 11.5 c 599
2003-02-27 02:08:32 C 18 27 00.53 +39 53 37.7 d A38
2003-02-27 02:26:15 C 18 27 02.49 +39 53 52.4 d 557
2003-02-27 02:32:29 C 18 27 03.47 +39 54 00.0 d A38
2003-02-27 02:56:13 C 18 27 06.19 +39 54 20.8 d 557
2003-02-27 03:27:56 C 18 27 10.11 +39 54 50.6 d 557
2003-02-27 03:57:42 C 18 27 13.76 +39 55 18.7 d 557
2003-02-27 04:32:50 C 18 27 18.05 +39 55 51.7 d 557
2003-02-27 19:25:07 C 18 29 10.86 +40 09 24.7 m 340
2003-02-27 19:28:43 C 18 29 11.32 +40 09 28.7 m 340
2003-02-27 19:32:15 C 18 29 11.81 +40 09 29.7 m 340
2003-02-27 19:36:00 C 18 29 12.22 +40 09 34.2 m 340
2003-03-02 01:32:55 C 18 36 02.98 +40 56 45.6 d 557
2003-03-02 01:58:28 C 18 36 06.23 +40 57 08.3 d 557
2003-03-02 02:37:16 C 18 36 11.09 +40 57 42.8 d 557
2003-03-02 03:04:33 C 18 36 14.52 +40 58 06.9 d 557
2003-03-02 03:39:10 C 18 36 18.83 +40 58 37.4 d 557
2003-03-03 01:42:49 C 18 39 08.01 +41 17 09.9 c 084
2003-03-03 01:51:17 C 18 39 09.04 +41 17 17.5 c 084
2003-03-03 03:05:07 C 18 39 18.39 +41 18 20.6 c 084
2003-03-03 03:10:40 C 18 39 19.07 +41 18 25.3 c 084
2003-03-04 02:44:20 C 18 42 20.88 +41 37 49.0 c 084
2003-03-06 12:07:56 C 18 49 48.00 +42 23 16.8 c 670
2003-03-06 13:15:03 C 18 49 56.57 +42 24 10.8 c 670
2003-03-09 03:05:34 C 18 58 04.76 +43 09 53.9 c 084
2003-03-09 04:18:28 C 18 58 14.97 +43 10 51.1 941
2003-03-09 04:19:47 C 18 58 15.13 +43 10 53.0 941
2003-03-09 04:29:45 C 18 58 16.40 +43 10 59.8 941
2003-03-09 04:31:02 C 18 58 16.59 +43 11 00.8 941
2003-03-09 04:32:19 C 18 58 16.80 +43 11 01.8 941
2003-03-09 04:45:36 C 18 58 18.47 +43 11 11.6 d 170
2003-03-09 04:48:00 C 18 58 18.71 +43 11 13.5 d 170
2003-03-09 04:49:52 C 18 58 19.05 +43 11 14.5 d 170
2003-03-09 04:50:45 C 18 58 19.08 +43 11 16.0 d 170
2003-03-09 04:51:40 C 18 58 19.20 +43 11 16.1 d 170
2003-03-12 11:53:45 C 19 08 56.96 +44 05 22.3 c 670
2003-03-12 12:34:24 C 19 09 02.30 +44 05 50.1 c 670
2003-03-12 13:10:54 C 19 09 07.08 +44 06 14.7 c 670
2003-03-16 03:01:44 C 19 20 59.35 +44 59 13.6 c 204
2003-03-16 03:06:52 C 19 21 00.10 +44 59 17.2 c 204
2003-03-16 03:10:11 C 19 21 00.51 +44 59 18.6 c 204
2003-03-16 03:16:56 C 19 21 01.46 +44 59 22.9 c 204
2003-03-16 03:48:06 C 19 21 05.76 +44 59 42.3 c 204
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)