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
2024-04-30 22:55:47 C 02 59 15.66 +79 32 19.5 Y 557
2024-04-30 23:50:39 C 02 59 32.54 +79 31 49.3 Y 557
2024-05-01 00:39:25 C 02 59 47.49 +79 31 23.0 Y 557
2024-05-01 01:45:14 C 03 00 07.61 +79 30 48.2 Y 557
2024-05-02 20:23:20 C 03 11 51.12 +79 04 52.0 Y 557
2024-05-02 21:18:12 C 03 12 06.60 +79 04 13.6 Y 557
2024-05-02 22:13:04 C 03 12 22.11 +79 03 35.7 Y 557
2024-05-02 23:07:56 C 03 12 37.88 +79 02 58.3 Y 557
2024-05-03 00:03:21 C 03 12 53.64 +79 02 21.4 Y 557
2024-05-03 00:55:09 C 03 13 08.42 +79 01 47.2 Y 557
2024-05-03 01:50:02 C 03 13 23.88 +79 01 11.8 Y 557
2024-05-07 23:18:16 C 03 41 00.547 +77 23 25.26 V Z80
2024-05-07 23:25:30 C 03 41 02.002 +77 23 17.48 V Z80
2024-05-07 23:32:00 C 03 41 03.571 +77 23 11.36 V Z80
2024-05-08 22:56:23 C 03 45 42.910 +76 59 07.15 V Z80
2024-05-08 23:06:30 C 03 45 45.185 +76 58 56.24 V Z80
2024-05-09 22:15:04 C 03 50 05.22 +76 33 30.3 Y 557
2024-05-09 22:16:34 C 03 50 04.666 +76 33 30.24 V Z80
2024-05-09 22:26:24 C 03 50 06.763 +76 33 19.26 V Z80
2024-05-09 23:12:59 C 03 50 16.64 +76 32 23.7 Y 557
2024-05-10 00:07:54 C 03 50 27.50 +76 31 21.3 Y 557
2024-05-10 01:05:49 C 03 50 38.89 +76 30 16.0 Y 557
2024-05-10 02:00:42 C 03 50 49.58 +76 29 14.8 Y 557
2024-05-11 23:20:01 C 03 58 23.986 +75 34 05.05 V Z80
2024-05-11 23:31:10 C 03 58 25.958 +75 33 50.76 V Z80
2024-05-18 22:39:50 C 04 18 37.486 +71 07 28.24 V Z80
2024-05-18 22:46:56 C 04 18 38.119 +71 07 14.48 V Z80
2024-05-18 22:54:02 C 04 18 38.971 +71 06 59.90 V Z80
2026-01-11 15:30:34 C 15 36 40.361 +09 08 29.51 V T05
2026-01-11 15:44:51 C 15 36 42.206 +09 08 47.90 V T05
2026-01-11 15:59:49 C 15 36 44.170 +09 09 06.84 V T05
2026-01-11 16:04:18 C 15 36 44.762 +09 09 13.00 V T05
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)