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
2022-02-12 02:57:08 C 00 39 33.49 +03 26 48.7 U I41
2022-02-12 03:01:34 C 00 39 34.34 +03 27 02.8 U I41
2022-02-13 02:44:36 C 00 44 10.23 +04 43 46.1 U I41
2022-02-13 02:48:53 C 00 44 11.05 +04 44 00.0 U I41
2022-02-13 02:53:12 C 00 44 11.88 +04 44 14.0 U I41
2022-02-13 02:57:29 C 00 44 12.69 +04 44 27.9 U I41
2022-02-13 03:01:48 C 00 44 13.52 +04 44 41.9 U I41
2022-02-19 02:49:56 C 01 11 36.89 +12 31 32.7 U I41
2022-02-19 02:54:14 C 01 11 37.69 +12 31 46.4 U I41
2022-02-19 02:58:32 C 01 11 38.49 +12 32 00.3 U I41
2022-02-19 03:02:51 C 01 11 39.30 +12 32 14.2 U I41
2022-02-19 03:07:11 C 01 11 40.10 +12 32 28.0 U I41
2022-02-20 02:15:52 C 01 16 01.13 +13 46 52.8 V 703
2022-02-20 02:24:08 C 01 16 02.74 +13 47 20.1 V 703
2022-02-20 02:32:25 C 01 16 04.29 +13 47 46.4 V 703
2022-02-20 02:40:43 C 01 16 05.83 +13 48 13.1 V 703
2022-02-21 02:49:37 C 01 20 37.55 +15 05 21.6 U I41
2022-02-21 02:53:57 C 01 20 38.37 +15 05 35.6 U I41
2022-02-21 02:58:19 C 01 20 39.16 +15 05 49.3 U I41
2022-02-21 03:07:01 C 01 20 40.77 +15 06 16.8 U I41
2022-02-27 02:21:36 C 01 47 25.91 +22 28 31.7 V 703
2022-02-27 02:29:48 C 01 47 27.44 +22 28 56.0 V 703
2022-02-27 02:38:00 C 01 47 28.91 +22 29 20.3 V 703
2022-02-27 02:46:12 C 01 47 30.45 +22 29 44.7 V 703
2022-03-02 02:22:57 C 02 00 54.12 +25 57 32.7 V G96
2022-03-02 02:29:01 C 02 00 55.25 +25 57 49.8 V G96
2022-03-02 02:35:07 C 02 00 56.37 +25 58 06.9 V G96
2022-03-02 02:41:12 C 02 00 57.50 +25 58 24.1 V G96
2022-03-02 05:28:08 C 02 01 28.72 +26 06 18.5 V T08
2022-03-02 05:33:24 C 02 01 29.71 +26 06 33.6 V T08
2022-03-02 05:41:16 C 02 01 31.16 +26 06 55.7 V T08
2022-03-02 05:58:22 C 02 01 34.34 +26 07 43.2 V T08
2022-03-03 02:23:05 C 02 05 24.35 +27 04 47.9 V 703
2022-03-03 02:31:16 C 02 05 25.90 +27 05 11.2 V 703
2022-03-03 02:51:34 C 02 05 29.76 +27 06 06.7 V 703
2022-03-03 02:59:46 C 02 05 31.17 +27 06 29.4 V 703
2022-03-04 10:10:11 C 02 11 23.22 +28 31 52.5 q D95
2022-03-04 10:12:19 C 02 11 23.62 +28 31 58.5 q D95
2022-03-04 10:13:03 C 02 11 23.75 +28 32 00.6 q D95
2022-03-04 10:16:38 C 02 11 24.42 +28 32 10.3 q D95
2022-03-09 03:04:55 C 02 32 49.70 +33 22 08.6 V 703
2022-03-09 03:13:07 C 02 32 51.26 +33 22 28.7 V 703
2022-03-09 03:21:19 C 02 32 52.80 +33 22 48.0 V 703
2022-03-09 03:29:32 C 02 32 54.37 +33 23 07.8 V 703
2022-03-12 02:40:50 C 02 46 37.69 +36 09 56.6 V 703
2022-03-12 02:48:28 C 02 46 39.19 +36 10 12.9 V 703
2022-03-12 02:56:08 C 02 46 40.65 +36 10 30.1 V 703
2022-03-13 05:30:07 C 02 51 50.74 +37 09 30.6 V T08
2022-03-13 05:35:24 C 02 51 51.66 +37 09 41.7 V T08
2022-03-13 05:43:16 C 02 51 53.26 +37 09 58.4 V T08
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)