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
2003-02-11 10:25:58 C 17 41 17.04 +32 56 28.7 17.2 c 704
2003-02-11 10:47:40 C 17 41 19.51 +32 56 57.6 17.7 c 704
2003-02-11 11:09:04 C 17 41 22.03 +32 57 27.3 17.5 c 704
2003-02-11 11:30:17 C 17 41 24.44 +32 57 56.2 17.3 c 704
2003-02-11 11:51:26 C 17 41 26.85 +32 58 24.8 17.2 c 704
2003-02-12 01:21:43 C 17 43 02.39 +33 16 15.5 c 636
2003-02-12 01:23:18 C 17 43 02.56 +33 16 17.4 c 636
2003-02-12 01:24:54 C 17 43 02.80 +33 16 19.0 c 636
2003-02-12 01:57:23 C 17 43 06.64 +33 17 04.7 d 118
2003-02-12 02:03:40 C 17 43 07.41 +33 17 13.2 d 118
2003-02-12 02:06:36 C 17 43 07.75 +33 17 17.3 d 118
2003-02-12 02:52:11 C 17 43 13.33 +33 18 19.4 d 620
2003-02-12 03:06:22 C 17 43 14.99 +33 18 38.6 d 620
2003-02-12 03:14:51 C 17 43 15.66 +33 18 48.7 d 557
2003-02-12 03:16:12 C 17 43 16.16 +33 18 51.9 d 620
2003-02-12 03:17:13 C 17 43 15.94 +33 18 51.9 d 557
2003-02-13 01:02:42 C 17 45 50.57 +33 47 06.4 c 636
2003-02-13 01:06:21 C 17 45 51.10 +33 47 09.7 c 636
2003-02-13 01:15:48 C 17 45 52.04 +33 47 22.3 c 636
2003-02-13 01:19:25 C 17 45 52.46 +33 47 28.5 c 636
2003-02-13 01:39:59 C 17 45 55.00 +33 47 56.9 d 118
2003-02-13 01:41:37 C 17 45 55.19 +33 47 59.0 d 118
2003-02-13 01:44:25 C 17 45 55.52 +33 48 02.6 d 118
2003-02-13 01:47:11 C 17 45 55.85 +33 48 06.4 d 118
2003-02-13 01:50:00 C 17 45 56.19 +33 48 10.2 d 118
2003-02-13 09:35:00 C 17 46 51.50 +33 58 10.7 d 850
2003-02-13 09:54:59 C 17 46 53.85 +33 58 36.9 d 850
2003-02-13 10:14:59 C 17 46 56.07 +33 59 02.8 d 850
2003-02-13 10:36:00 C 17 46 58.57 +33 59 31.0 d 850
2003-02-13 10:54:59 C 17 47 00.66 +33 59 56.0 d 850
2003-02-13 11:15:59 C 17 47 03.16 +34 00 23.3 d 850
2003-02-14 00:45:12 C 17 48 39.53 +34 17 14.6 c 046
2003-02-14 00:47:31 C 17 48 39.81 +34 17 16.9 c 046
2003-02-14 00:51:08 C 17 48 40.35 +34 17 20.9 c 046
2003-02-14 00:52:09 C 17 48 40.42 +34 17 23.1 c 046
2003-02-14 00:53:35 C 17 48 40.52 +34 17 24.1 c 046
2003-02-14 00:54:58 C 17 48 40.78 +34 17 27.0 c 046
2003-02-14 00:56:28 C 17 48 40.92 +34 17 28.3 c 046
2003-02-14 00:59:11 C 17 48 41.19 +34 17 32.1 c 046
2003-02-14 01:00:54 C 17 48 41.38 +34 17 34.4 c 046
2003-02-14 01:01:48 C 17 48 41.54 +34 17 35.5 c 046
2003-02-14 01:02:45 C 17 48 41.66 +34 17 36.6 c 046
2003-02-14 02:04:55 C 17 48 49.00 +34 18 56.3 d 557
2003-02-14 02:07:26 C 17 48 49.29 +34 18 59.5 d 557
2003-02-14 02:09:56 C 17 48 49.58 +34 19 02.8 d 557
2003-02-14 02:14:59 C 17 48 50.22 +34 19 09.1 d 557
2003-02-14 02:17:30 C 17 48 50.49 +34 19 12.6 d 557
2003-02-15 01:34:47 C 17 51 37.23 +34 47 58.4 c 636
2003-02-15 01:38:26 C 17 51 37.63 +34 48 02.5 c 636
2003-02-15 01:40:18 C 17 51 37.92 +34 48 06.8 c 540
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)