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
2020-04-07 19:21:26 C 04 12 41.83 +31 00 04.9 V A16
2020-04-07 19:40:28 C 04 12 45.78 +31 00 31.4 V A16
2020-04-07 19:56:46 C 04 12 49.01 +31 00 55.3 V A16
2020-04-11 20:54:16 C 04 32 33.42 +33 11 02.9 V Z80
2020-04-11 21:06:45 C 04 32 35.97 +33 11 18.6 V Z80
2020-04-15 03:25:45 C 04 48 36.55 +34 44 48.1 U I41
2020-04-15 03:32:56 C 04 48 38.01 +34 44 56.0 U I41
2020-04-15 03:39:19 C 04 48 39.32 +34 45 03.1 U I41
2020-04-15 03:45:42 C 04 48 40.62 +34 45 10.2 U I41
2020-04-17 03:20:27 C 04 58 25.78 +35 36 51.0 U I41
2020-04-17 03:26:55 C 04 58 27.10 +35 36 57.5 U I41
2020-04-17 03:32:36 C 04 58 28.25 +35 37 03.4 U I41
2020-04-17 03:38:15 C 04 58 29.41 +35 37 09.3 U I41
2020-05-17 06:28:27 C 07 25 01.60 +41 27 13.3 V T08
2020-05-17 06:43:47 C 07 25 04.56 +41 27 13.0 V T08
2020-05-17 06:51:46 C 07 25 06.10 +41 27 12.6 V T08
2020-05-17 07:01:50 C 07 25 08.11 +41 27 12.5 V T08
2020-05-19 06:31:27 C 07 34 19.41 +41 24 40.1 V T05
2020-05-19 06:41:27 C 07 34 21.26 +41 24 39.1 V T05
2020-05-19 06:46:48 C 07 34 22.27 +41 24 38.7 V T05
2020-05-19 07:02:10 C 07 34 25.15 +41 24 37.0 V T05
2020-05-23 03:21:46 C 07 52 00.42 +41 11 53.7 V 703
2020-05-23 03:27:35 C 07 52 01.46 +41 11 52.3 V 703
2020-05-23 03:33:26 C 07 52 02.60 +41 11 51.2 V 703
2020-05-27 03:28:15 C 08 09 53.48 +40 48 18.8 V 703
2020-05-27 03:34:17 C 08 09 54.64 +40 48 16.5 V 703
2020-05-27 03:40:20 C 08 09 55.73 +40 48 15.2 V 703
2020-05-27 03:46:21 C 08 09 56.87 +40 48 13.3 V 703
2020-05-29 03:35:34 C 08 18 40.55 +40 32 43.7 V G96
2020-05-29 03:41:27 C 08 18 41.61 +40 32 41.4 V G96
2020-05-29 03:47:19 C 08 18 42.66 +40 32 39.3 V G96
2020-05-29 03:53:12 C 08 18 43.72 +40 32 37.1 V G96
2020-06-02 05:53:36 C 08 36 14.42 +39 53 27.7 V T08
2020-06-02 05:58:16 C 08 36 15.24 +39 53 25.3 V T08
2020-06-02 06:12:54 C 08 36 17.73 +39 53 19.1 V T08
2020-06-02 06:26:52 C 08 36 20.18 +39 53 12.9 V T08
2020-06-03 03:48:40 C 08 40 05.09 +39 43 20.3 V G96
2020-06-03 03:54:52 C 08 40 06.20 +39 43 17.6 V G96
2020-06-03 04:01:02 C 08 40 07.24 +39 43 14.3 V G96
2020-06-03 04:07:13 C 08 40 08.32 +39 43 11.4 V G96
2020-06-14 04:13:21 C 09 24 22.64 +37 06 09.4 U I41
2020-06-14 04:20:30 C 09 24 23.79 +37 06 04.1 U I41
2020-06-14 04:27:40 C 09 24 24.93 +37 05 58.9 U I41
2020-06-14 04:34:51 C 09 24 26.07 +37 05 53.7 U I41
2020-06-16 04:13:31 C 09 32 00.30 +36 30 57.8 U I41
2020-06-16 04:31:09 C 09 32 03.06 +36 30 44.2 U I41
2020-06-16 04:41:25 C 09 32 04.68 +36 30 36.4 U I41
2020-06-18 04:21:11 C 09 39 31.60 +35 53 44.1 U I41
2020-06-18 04:28:22 C 09 39 32.71 +35 53 38.3 U I41
2020-06-22 04:22:09 C 09 54 09.71 +34 33 47.9 U I41
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)