163692 (2003 CY18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4107994583 ± 2.32e-09
Semi-major axis (a)1.5259798196 AU ± 4.97e-10
Inclination (i)7.20751808° ± 7.45e-07
Long. of Asc. Node (Ω)114.32553875° ± 5.93e-06
Arg. of Perihelion (ω)180.98936307° ± 5.92e-06
Mean Anomaly (M)285.20386436° ± 7.03e-07
Mean Motion (n)0.5228644210°/day ± 2.55e-10
Perihelion dist (q)0.89910814 AU ± 3.55e-09
Aphelion dist (Q)2.15285150 AU ± 3.61e-09
Orbital Period1.88505135 yr ± 9.20e-10
Physical Parameters
H (abs. magnitude)18.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.268″
Uncertainty0
Orbit TypeApollo
MOID0.092638 AU
Observations Used1263
Radar Obs Used4
Oppositions9
Arc Total2003-2022
First Observation Used2003-02-09
Last Observation Used2025-01-03
Observations (1493)
Date Type RA Dec Mag Band Observatory
2022-04-24 12:18:22 C 15 14 51.134 +23 28 53.54 V T05
2022-04-25 10:14:59 C 15 15 36.842 +24 14 42.22 V T05
2022-04-25 10:22:49 C 15 15 37.027 +24 14 58.85 V T05
2022-04-25 10:40:11 C 15 15 37.418 +24 15 36.00 V T05
2022-04-25 19:19:10 C 15 15 55.97 +24 33 40.4 X L76
2022-04-25 19:24:35 C 15 15 56.13 +24 33 52.2 X L76
2022-04-25 19:30:00 C 15 15 56.28 +24 34 03.9 X L76
2022-04-26 08:06:20 C 15 16 21.148 +25 01 29.24 V 703
2022-04-26 08:13:58 C 15 16 21.328 +25 01 45.88 V 703
2022-04-26 08:21:35 C 15 16 21.522 +25 02 02.54 V 703
2022-04-26 08:29:13 C 15 16 21.677 +25 02 19.10 V 703
2022-04-26 08:37:03 C 15 16 23.861 +25 02 41.32 V T08
2022-04-26 08:40:52 C 15 16 21.940 +25 02 44.66 V 703
2022-04-26 08:48:30 C 15 16 22.134 +25 03 01.08 V 703
2022-04-26 08:56:09 C 15 16 22.310 +25 03 17.82 V 703
2022-04-26 08:58:18 C 15 16 22.639 +25 03 21.82 U I41
2022-04-26 08:59:00 C 15 16 22.661 +25 03 23.29 U I41
2022-04-26 09:03:48 C 15 16 22.487 +25 03 34.38 V 703
2022-04-26 09:04:52 C 15 16 22.800 +25 03 36.22 U I41
2022-04-26 09:10:42 C 15 16 24.706 +25 03 56.02 V T08
2022-04-26 09:46:42 C 15 16 25.565 +25 05 15.65 V T08
2022-04-26 09:48:41 C 15 16 23.849 +25 05 11.29 U I41
2022-04-26 10:05:11 C 15 16 25.999 +25 05 56.51 V T08
2022-04-26 10:08:45 C 15 16 24.329 +25 05 54.82 U I41
2022-04-27 08:36:06 C 15 17 12.289 +25 55 38.32 V G96
2022-04-27 08:43:33 C 15 17 12.480 +25 55 54.88 V G96
2022-04-27 08:51:01 C 15 17 12.649 +25 56 11.80 V G96
2022-04-27 08:58:29 C 15 17 12.836 +25 56 28.36 V G96
2022-04-27 11:25:20 C 15 17 18.420 +26 02 08.41 V T08
2022-04-27 11:30:47 C 15 17 18.550 +26 02 20.62 V T08
2022-04-27 11:39:10 C 15 17 18.739 +26 02 39.48 V T08
2022-04-27 12:30:17 C 15 17 19.932 +26 04 34.07 V T08
2022-04-27 23:33:41 C 15 17 45.007 +26 29 21.23 V K74
2022-04-27 23:36:38 C 15 17 45.077 +26 29 27.96 V K74
2022-04-27 23:38:02 C 15 17 45.13 +26 29 34.1 V 130
2022-04-27 23:40:11 C 15 17 45.19 +26 29 39.0 V 130
2022-04-27 23:43:03 C 15 17 45.26 +26 29 45.6 V 130
2022-04-27 23:45:54 C 15 17 45.35 +26 29 52.1 V 130
2022-04-27 23:47:04 C 15 17 45.370 +26 29 52.04 V K74
2022-04-28 06:46:04 C 15 18 01.620 +26 46 05.70 U I41
2022-04-28 07:35:30 C 15 18 02.909 +26 48 01.40 U I41
2022-04-28 08:25:31 C 15 18 04.169 +26 49 57.79 U I41
2022-04-28 08:46:50 C 15 18 06.593 +26 50 52.66 V T05
2022-04-28 08:51:27 C 15 18 06.715 +26 51 03.60 V T05
2022-04-28 08:59:22 C 15 18 06.926 +26 51 22.28 V T05
2022-04-28 09:34:31 C 15 18 07.805 +26 52 45.16 V T05
2022-04-28 10:25:09 C 15 18 07.200 +26 54 33.70 U I41
2022-04-28 10:25:51 C 15 18 07.229 +26 54 35.21 U I41
2022-04-29 08:07:24 C 15 18 57.240 +27 45 43.42 U I41
2022-04-29 08:45:40 C 15 18 58.241 +27 47 15.00 U I41
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-07-12 16:45:00 116007280.98 2 us 2380 -1 -1
2005-07-12 16:45:00 2251.6404 0.05 Hz 2380 -1 -1
2022-05-29 20:40:00 93212479.79 2 us 8560 -14 -14
2022-05-29 21:30:00 71333.27 0.2 Hz 8560 -14 -14
2022-06-01 06:20:00 92325795.86 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)