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
2018-12-18 15:45:08 C 14 13 20.50 -01 59 27.6 V T05
2018-12-18 15:57:16 C 14 13 21.93 -01 59 10.0 V T05
2018-12-18 16:09:34 C 14 13 23.36 -01 58 52.3 V T05
2018-12-19 12:10:02 C 14 15 50.21 -01 30 04.5 V 703
2018-12-19 12:17:25 C 14 15 51.09 -01 29 54.1 V 703
2018-12-19 12:24:47 C 14 15 51.99 -01 29 43.6 V 703
2018-12-19 12:32:11 C 14 15 52.88 -01 29 33.1 V 703
2019-01-15 12:33:41 C 15 44 36.40 +09 52 09.9 V 703
2019-01-15 12:38:54 C 15 44 37.29 +09 52 12.3 V 703
2019-01-15 12:44:09 C 15 44 38.03 +09 52 17.0 V 703
2019-01-15 12:49:21 C 15 44 38.82 +09 52 20.8 V 703
2019-01-25 12:02:58 C 16 19 23.76 +12 41 34.7 V 703
2019-01-25 12:10:41 C 16 19 24.88 +12 41 39.8 V 703
2019-01-25 12:18:24 C 16 19 26.01 +12 41 45.0 V 703
2019-01-25 12:26:07 C 16 19 27.12 +12 41 49.1 V 703
2019-01-26 11:37:42 C 16 22 50.88 +12 56 35.6 V 703
2019-01-26 11:52:55 C 16 22 53.06 +12 56 45.6 V 703
2019-01-26 12:00:32 C 16 22 54.10 +12 56 50.9 V 703
2019-01-28 12:25:55 C 16 29 59.99 +13 26 51.5 V 703
2019-01-28 12:40:30 C 16 30 02.10 +13 27 01.2 V 703
2019-01-28 12:47:48 C 16 30 03.13 +13 27 05.5 V 703
2019-02-14 03:35:53 C 17 29 11.06 +16 54 17.0 q 160
2019-02-14 03:38:48 C 17 29 11.49 +16 54 19.5 q 160
2019-02-14 03:41:42 C 17 29 11.87 +16 54 20.5 q 160
2019-02-15 02:59:53 C 17 32 42.28 +17 04 16.7 q 160
2019-02-15 03:02:47 C 17 32 42.70 +17 04 18.4 q 160
2019-02-15 03:05:40 C 17 32 43.10 +17 04 20.0 q 160
2019-02-16 04:20:16 C 17 36 31.30 +17 14 50.1 q 160
2019-02-16 04:21:51 C 17 36 31.55 +17 14 51.2 q 160
2019-02-16 04:23:07 C 17 36 31.76 +17 14 51.1 q 160
2019-02-16 04:23:54 C 17 36 31.91 +17 14 51.3 q 160
2019-02-16 04:51:09 C 17 36 35.95 +17 15 02.7 q C95
2019-02-16 04:52:20 C 17 36 36.12 +17 15 03.0 q C95
2019-02-16 04:53:32 C 17 36 36.31 +17 15 03.7 q C95
2019-02-16 04:54:43 C 17 36 36.48 +17 15 04.0 q C95
2019-02-16 04:55:55 C 17 36 36.66 +17 15 04.6 q C95
2019-02-16 04:57:06 C 17 36 36.83 +17 15 05.1 q C95
2019-02-16 04:58:18 C 17 36 37.00 +17 15 05.7 q C95
2019-04-14 14:52:13 C 21 48 00.12 +16 35 53.3 V T05
2019-04-14 15:05:00 C 21 48 03.12 +16 35 45.2 V T05
2019-04-14 15:12:47 C 21 48 04.96 +16 35 40.5 V T05
2019-04-14 15:18:00 C 21 48 06.18 +16 35 38.0 V T05
2020-03-19 18:53:54 C 02 40 24.91 +17 20 38.7 q 215
2020-03-19 18:56:40 C 02 40 25.46 +17 20 44.4 q 215
2020-03-19 18:59:27 C 02 40 26.01 +17 20 50.2 q 215
2020-03-23 20:12:40 C 03 00 06.77 +20 41 37.7 V Z80
2020-03-23 20:21:49 C 03 00 08.67 +20 41 55.6 V Z80
2020-03-23 20:31:10 C 03 00 10.54 +20 42 14.5 V Z80
2020-03-26 20:36:55 C 03 14 43.50 +23 02 39.9 V Z80
2020-03-26 20:46:56 C 03 14 45.44 +23 02 59.0 V Z80
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)