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
2020-12-07 15:07:24 C 13 47 43.35 +03 55 24.5 V T05
2020-12-07 15:09:22 C 13 47 43.62 +03 55 24.6 V T05
2020-12-07 15:24:01 C 13 47 45.82 +03 55 24.8 V T05
2020-12-07 15:26:00 C 13 47 46.14 +03 55 24.6 V T05
2020-12-14 15:14:30 C 14 13 23.64 +03 50 58.1 V T08
2020-12-14 15:23:50 C 14 13 25.06 +03 50 57.8 V T08
2020-12-14 15:43:11 C 14 13 27.97 +03 50 56.7 V T08
2020-12-22 12:59:00 C 14 42 28.70 +03 38 10.0 V 703
2020-12-22 13:05:55 C 14 42 29.74 +03 38 09.4 V 703
2020-12-22 13:12:50 C 14 42 30.71 +03 38 08.1 V 703
2020-12-22 13:19:45 C 14 42 31.80 +03 38 08.6 V 703
2021-01-03 12:27:03 C 15 26 52.47 +03 07 29.3 V G96
2021-01-03 12:35:15 C 15 26 53.73 +03 07 28.0 V G96
2021-01-03 12:43:25 C 15 26 54.99 +03 07 26.9 V G96
2021-01-03 12:45:19 C 15 26 55.26 +03 07 27.0 V 703
2021-01-03 12:51:37 C 15 26 56.25 +03 07 26.0 V G96
2021-01-03 13:00:54 C 15 26 57.70 +03 07 23.6 V 703
2021-01-03 13:08:40 C 15 26 58.86 +03 07 23.8 V 703
2021-01-06 15:03:21 C 15 38 29.76 +02 57 50.4 V T08
2021-01-06 15:34:50 C 15 38 34.64 +02 57 45.6 V T08
2021-01-06 15:51:16 C 15 38 37.21 +02 57 43.8 V T08
2021-01-06 15:55:54 C 15 38 37.92 +02 57 43.1 V T08
2021-01-10 12:47:46 C 15 53 10.35 +02 44 50.2 V 703
2021-01-10 12:55:22 C 15 53 11.45 +02 44 48.7 V 703
2021-01-10 13:02:57 C 15 53 12.70 +02 44 48.2 V 703
2021-01-10 13:10:32 C 15 53 13.84 +02 44 46.6 V 703
2021-01-14 15:20:51 C 16 08 42.43 +02 30 20.5 V T08
2021-01-14 15:32:16 C 16 08 44.22 +02 30 19.1 V T08
2021-01-14 15:50:58 C 16 08 47.15 +02 30 16.1 V T08
2021-01-14 15:59:03 C 16 08 48.36 +02 30 14.1 V T08
2021-01-15 12:29:10 C 16 12 03.16 +02 27 02.6 V 703
2021-01-15 12:35:36 C 16 12 04.19 +02 27 04.0 V 703
2021-01-15 12:42:02 C 16 12 05.16 +02 27 03.0 V 703
2021-01-17 13:33:13 C 16 19 50.71 +02 19 27.2 q U71
2021-01-17 13:41:19 C 16 19 52.05 +02 19 25.4 q U71
2021-01-17 13:49:24 C 16 19 53.34 +02 19 24.3 q U71
2021-03-03 15:35:22 C 19 28 21.94 -01 30 19.3 V T08
2021-03-03 15:36:02 C 19 28 22.05 -01 30 19.7 V T08
2021-03-03 15:39:21 C 19 28 22.71 -01 30 20.3 V T08
2021-03-03 15:40:01 C 19 28 22.85 -01 30 21.0 V T08
2021-03-03 15:43:59 C 19 28 23.64 -01 30 22.0 V T08
2021-03-03 15:44:39 C 19 28 23.73 -01 30 21.9 V T08
2021-03-09 12:43:55 C 19 57 01.76 -02 07 57.7 U I41
2021-03-09 12:47:28 C 19 57 02.49 -02 07 58.7 U I41
2021-03-09 12:51:02 C 19 57 03.23 -02 07 59.6 U I41
2021-03-09 12:54:36 C 19 57 03.97 -02 08 00.6 U I41
2021-03-09 12:58:09 C 19 57 04.71 -02 08 01.5 U I41
2022-02-12 02:43:54 C 00 39 30.94 +03 26 06.0 U I41
2022-02-12 02:48:19 C 00 39 31.79 +03 26 20.2 U I41
2022-02-12 02:52:43 C 00 39 32.65 +03 26 34.5 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)