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
2003-02-19 05:17:05 C 18 03 38.32 +36 43 49.2 j 017
2003-02-19 05:29:36 C 18 03 39.48 +36 43 59.5 j 017
2003-02-20 01:31:40 C 18 06 06.65 +37 05 45.4 c 636
2003-02-20 01:35:17 C 18 06 07.01 +37 05 49.3 c 636
2003-02-20 01:38:54 C 18 06 07.54 +37 05 53.5 c 636
2003-02-20 01:42:31 C 18 06 07.97 +37 05 57.3 c 636
2003-02-20 04:41:01 C 18 06 29.43 +37 09 15.8 j 017
2003-02-20 04:52:24 C 18 06 30.69 +37 09 26.7 j 017
2003-02-20 05:03:45 C 18 06 32.13 +37 09 40.3 j 017
2003-02-20 05:15:07 C 18 06 33.56 +37 09 53.5 j 017
2003-02-20 05:26:28 C 18 06 34.80 +37 10 02.5 j 017
2003-02-21 01:27:02 C 18 09 02.32 +37 31 16.1 c 636
2003-02-21 01:41:32 C 18 09 03.98 +37 31 32.2 c 636
2003-02-21 01:45:09 C 18 09 04.41 +37 31 36.5 c 636
2003-02-21 01:48:58 C 18 09 04.92 +37 31 40.5 c 636
2003-02-21 05:06:05 C 18 09 28.80 +37 35 14.0 j 017
2003-02-21 11:49:30 C 18 10 18.79 +37 42 18.6 c 670
2003-02-21 13:11:22 C 18 10 28.58 +37 43 46.5 c 670
2003-02-21 13:40:35 C 18 10 31.97 +37 44 17.8 c 670
2003-02-22 01:37:24 C 18 12 00.50 +37 56 28.4 c 636
2003-02-22 01:41:01 C 18 12 00.86 +37 56 31.7 c 636
2003-02-22 01:44:40 C 18 12 01.33 +37 56 34.9 c 636
2003-02-23 01:31:12 C 18 14 57.44 +38 20 45.8 c 636
2003-02-23 01:33:49 C 18 14 57.67 +38 20 48.6 c 636
2003-02-23 01:36:26 C 18 14 57.87 +38 20 50.0 c 636
2003-02-24 02:49:37 C 18 18 05.38 +38 45 59.6 d 557
2003-02-24 03:03:04 C 18 18 07.02 +38 46 13.3 d 557
2003-02-24 03:49:29 C 18 18 12.76 +38 46 59.0 c 636
2003-02-24 03:50:36 C 18 18 12.79 +38 47 01.2 d 557
2003-02-24 03:56:45 C 18 18 13.62 +38 47 05.9 c 636
2003-02-24 04:00:21 C 18 18 14.00 +38 47 09.8 c 636
2003-02-24 04:01:22 C 18 18 14.09 +38 47 11.9 d 557
2003-02-24 04:03:58 C 18 18 14.51 +38 47 13.2 c 636
2003-02-24 04:07:37 C 18 18 14.94 +38 47 17.0 c 636
2003-02-25 01:04:01 C 18 20 51.62 +39 07 31.3 c 204
2003-02-25 01:07:45 C 18 20 52.15 +39 07 34.8 c 204
2003-02-25 01:10:20 C 18 20 52.48 +39 07 37.4 c 204
2003-02-25 01:12:07 C 18 20 52.71 +39 07 39.3 c 204
2003-02-25 01:13:55 C 18 20 52.89 +39 07 40.8 c 204
2003-02-25 01:15:50 C 18 20 53.15 +39 07 42.9 c 204
2003-02-25 02:01:14 C 18 20 58.67 +39 08 28.3 d 557
2003-02-25 02:42:06 C 18 21 03.78 +39 09 07.4 c 636
2003-02-25 02:45:44 C 18 21 04.20 +39 09 10.7 c 636
2003-02-25 02:49:22 C 18 21 04.54 +39 09 15.2 c 636
2003-02-25 02:52:59 C 18 21 05.11 +39 09 18.4 c 636
2003-02-25 02:56:36 C 18 21 05.47 +39 09 21.1 c 636
2003-02-25 03:47:23 C 18 21 11.66 +39 10 13.5 d 557
2003-02-25 04:01:25 C 18 21 13.39 +39 10 27.4 c 246
2003-02-25 04:01:57 C 18 21 13.47 +39 10 27.8 c 246
2003-02-25 04:02:41 C 18 21 13.54 +39 10 28.5 c 246
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)