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
2003-02-15 01:42:04 C 17 51 38.08 +34 48 06.7 c 636
2003-02-15 01:45:41 C 17 51 38.55 +34 48 13.3 c 636
2003-02-15 01:48:14 C 17 51 38.88 +34 48 16.7 c 540
2003-02-15 01:49:20 C 17 51 39.00 +34 48 17.0 c 636
2003-02-15 01:56:09 C 17 51 39.80 +34 48 26.5 c 540
2003-02-15 03:14:30 C 17 51 49.08 +34 50 04.7 c 046
2003-02-15 03:15:21 C 17 51 49.17 +34 50 05.3 c 046
2003-02-15 03:16:12 C 17 51 49.27 +34 50 06.9 c 046
2003-02-15 03:17:02 C 17 51 49.29 +34 50 07.5 c 046
2003-02-15 03:17:57 C 17 51 49.42 +34 50 08.8 c 046
2003-02-15 03:18:49 C 17 51 49.54 +34 50 10.4 c 046
2003-02-15 03:19:40 C 17 51 49.68 +34 50 11.2 c 046
2003-02-15 04:03:57 C 17 51 54.89 +34 51 07.2 c 106
2003-02-15 04:18:05 C 17 51 56.49 +34 51 26.3 c 106
2003-02-15 04:33:04 C 17 51 58.17 +34 51 44.3 c 106
2003-02-16 03:08:26 C 17 54 41.04 +35 18 51.2 c 213
2003-02-16 03:18:31 C 17 54 42.33 +35 19 03.2 c 213
2003-02-16 03:27:04 C 17 54 43.30 +35 19 14.7 c 213
2003-02-16 04:04:03 C 17 54 47.61 +35 19 59.8 d 170
2003-02-16 04:06:59 C 17 54 48.09 +35 20 04.0 d 170
2003-02-16 04:07:58 C 17 54 48.15 +35 20 05.5 d 170
2003-02-16 04:15:52 C 17 54 49.09 +35 20 14.4 d 170
2003-02-16 04:16:52 C 17 54 49.37 +35 20 16.0 d 170
2003-02-16 04:41:00 C 17 54 52.09 +35 20 44.5 d 170
2003-02-16 12:03:06 C 17 55 45.31 +35 29 31.3 c 926
2003-02-16 12:04:48 C 17 55 45.52 +35 29 33.1 c 926
2003-02-16 12:07:03 C 17 55 45.80 +35 29 36.2 c 926
2003-02-16 19:30:26 C 17 56 39.14 +35 38 15.0 m 349
2003-02-16 19:33:20 C 17 56 39.45 +35 38 17.8 m 349
2003-02-16 19:42:00 C 17 56 40.41 +35 38 28.9 m 349
2003-02-16 19:44:54 C 17 56 40.74 +35 38 32.3 m 349
2003-02-17 10:25:39 C 17 58 27.10 +35 55 31.2 c 649
2003-02-17 10:28:26 C 17 58 27.43 +35 55 34.7 c 649
2003-02-17 10:33:18 C 17 58 28.01 +35 55 40.2 c 649
2003-02-17 12:07:37 C 17 58 39.43 +35 57 32.6 c 926
2003-02-17 12:09:19 C 17 58 39.61 +35 57 34.4 c 926
2003-02-17 12:11:51 C 17 58 39.90 +35 57 37.7 c 926
2003-02-18 02:54:08 C 18 00 26.49 +36 14 16.1 c 540
2003-02-18 03:02:05 C 18 00 27.40 +36 14 25.4 c 540
2003-02-18 03:10:01 C 18 00 28.32 +36 14 35.6 c 540
2003-02-19 01:21:18 C 18 03 09.90 +36 39 18.9 c 636
2003-02-19 01:24:55 C 18 03 10.37 +36 39 22.0 c 636
2003-02-19 01:28:33 C 18 03 10.84 +36 39 28.1 c 636
2003-02-19 01:32:12 C 18 03 11.28 +36 39 32.0 c 636
2003-02-19 04:10:02 C 18 03 30.27 +36 42 32.8 c 143
2003-02-19 04:12:44 C 18 03 30.62 +36 42 36.2 c 143
2003-02-19 04:15:24 C 18 03 30.93 +36 42 39.0 c 143
2003-02-19 04:18:04 C 18 03 31.25 +36 42 42.2 c 143
2003-02-19 04:20:46 C 18 03 31.57 +36 42 45.5 c 143
2003-02-19 05:04:35 C 18 03 36.51 +36 43 32.3 j 017
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)