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
2015-03-12 19:03:32 C 02 47 38.76 +43 41 47.0 q K14
2015-03-12 19:25:26 C 02 47 43.00 +43 42 32.5 q K14
2015-03-12 19:44:35 C 02 47 46.71 +43 43 11.9 q K14
2015-03-26 17:12:52 C 03 56 41.79 +52 55 02.5 r 168
2015-03-26 19:04:26 C 03 57 06.10 +52 57 17.7 r 168
2015-03-26 20:59:47 C 03 57 31.41 +52 59 37.8 r 168
2015-03-26 22:50:41 C 03 57 55.94 +53 01 53.6 r 168
2015-03-26 22:54:36 C 03 57 56.73 +53 01 58.1 r 168
2015-03-27 17:04:16 C 04 01 53.97 +53 24 02.2 r 168
2015-03-27 19:25:21 C 04 02 24.88 +53 26 45.7 r 168
2015-03-27 21:52:26 C 04 02 57.43 +53 29 36.6 r 168
2015-03-28 19:00:06 C 04 07 35.43 +53 54 02.5 r 168
2015-03-28 19:03:46 C 04 07 36.29 +53 54 06.8 r 168
2015-03-28 20:23:36 C 04 07 54.09 +53 55 35.0 r 168
2015-04-22 18:04:01 C 06 23 52.32 +59 19 44.4 r 168
2015-04-22 18:08:56 C 06 23 53.35 +59 19 44.8 r 168
2015-04-22 18:49:21 C 06 24 02.40 +59 19 44.6 r 168
2015-04-22 18:52:26 C 06 24 03.09 +59 19 44.5 r 168
2015-05-01 03:17:34 C 07 07 17.04 +58 57 43.9 q 703
2015-05-01 03:25:04 C 07 07 18.47 +58 57 40.5 q 703
2015-05-01 03:32:33 C 07 07 20.11 +58 57 39.7 q 703
2015-05-01 03:40:03 C 07 07 21.70 +58 57 37.1 q 703
2015-05-06 01:59:16 C 07 31 09.62 +58 20 04.4 q H21
2015-05-06 02:01:01 C 07 31 09.96 +58 20 03.7 q H21
2015-05-06 02:02:48 C 07 31 10.32 +58 20 03.0 q H21
2015-05-06 02:04:33 C 07 31 10.63 +58 20 02.0 q H21
2015-05-06 02:06:19 C 07 31 10.98 +58 20 01.5 q H21
2015-05-06 02:08:04 C 07 31 11.31 +58 20 00.7 q H21
2015-05-06 02:09:49 C 07 31 11.64 +58 20 00.0 q H21
2017-02-06 06:22:46 C 19 35 18.70 +43 05 33.4 G40
2017-02-06 06:45:57 C 19 35 19.40 +43 06 45.3 G40
2017-02-06 06:47:13 C 19 35 19.43 +43 06 49.2 G40
2017-02-08 06:18:07 C 19 36 59.40 +45 23 01.9 G40
2017-02-08 06:36:06 C 19 36 59.99 +45 23 52.4 G40
2017-02-25 00:08:09 C 19 58 14.67 +58 17 28.2 u 557
2017-02-25 01:06:54 C 19 58 18.89 +58 18 51.9 u 557
2017-02-25 02:03:38 C 19 58 22.85 +58 20 13.0 u 557
2017-02-25 03:23:54 C 19 58 28.20 +58 22 06.8 u 557
2017-02-25 04:13:22 C 19 58 31.40 +58 23 17.1 u 557
2017-02-26 20:00:44 C 20 01 15.71 +59 16 00.8 q D29
2017-02-26 20:40:31 C 20 01 18.42 +59 16 55.1 q D29
2017-02-26 21:03:25 C 20 01 19.94 +59 17 26.4 q D29
2017-02-27 00:03:12 C 20 01 31.63 +59 21 00.2 u 557
2017-02-27 00:58:52 C 20 01 35.78 +59 22 14.2 u 557
2017-02-27 02:07:41 C 20 01 40.80 +59 23 47.1 u 557
2017-02-27 03:03:57 C 20 01 44.71 +59 25 01.8 u 557
2017-02-27 04:18:10 C 20 01 49.72 +59 26 40.9 u 557
2017-02-28 05:47:11 C 20 03 38.99 +59 58 44.6 G40
2017-02-28 06:09:23 C 20 03 40.49 +59 59 14.0 G40
2017-02-28 06:19:20 C 20 03 41.17 +59 59 26.9 G40
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)