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
2022-03-16 06:58:09 C 14 39 08.77 +04 08 19.0 V 703
2022-03-16 07:05:48 C 14 39 09.12 +04 08 24.3 V 703
2022-03-23 11:59:24 C 14 47 10.55 +06 12 50.7 V G96
2022-03-23 12:06:48 C 14 47 10.84 +06 12 56.5 V G96
2022-03-23 12:14:14 C 14 47 11.14 +06 13 02.6 V G96
2022-03-23 12:21:39 C 14 47 11.46 +06 13 08.4 V G96
2022-03-24 11:01:56 C 14 48 11.66 +06 31 48.2 V 703
2022-03-24 11:09:35 C 14 48 11.96 +06 31 55.1 V 703
2022-03-24 11:17:14 C 14 48 12.29 +06 32 01.1 V 703
2022-03-24 11:24:54 C 14 48 12.59 +06 32 08.2 V 703
2022-03-25 07:29:31 C 14 49 05.294 +06 49 28.85 V W68
2022-03-25 08:14:30 C 14 49 07.003 +06 50 07.66 V W68
2022-03-25 08:19:45 C 14 49 07.210 +06 50 12.08 V W68
2022-03-25 08:57:06 C 14 49 08.650 +06 50 44.38 V W68
2022-03-27 10:00:49 C 14 51 14.12 +07 34 02.2 V 703
2022-03-27 10:09:00 C 14 51 14.44 +07 34 09.2 V 703
2022-03-27 10:17:12 C 14 51 14.79 +07 34 17.3 V 703
2022-03-27 10:25:25 C 14 51 15.02 +07 34 25.1 V 703
2022-03-29 07:55:51 C 14 53 07.418 +08 17 50.64 V W68
2022-03-29 08:02:07 C 14 53 07.642 +08 17 56.69 V W68
2022-03-29 08:09:25 C 14 53 07.896 +08 18 03.92 V W68
2022-03-29 08:26:41 C 14 53 08.496 +08 18 20.34 V W68
2022-04-01 11:53:32 C 14 56 08.086 +09 35 12.70 V T08
2022-04-01 11:56:10 C 14 56 08.191 +09 35 15.72 V T08
2022-04-01 12:00:47 C 14 56 08.333 +09 35 20.11 V T08
2022-04-01 12:15:59 C 14 56 08.818 +09 35 36.82 V T08
2022-04-02 09:47:22 C 14 56 57.970 +09 58 54.08 V 703
2022-04-02 09:54:58 C 14 56 58.218 +09 59 02.11 V 703
2022-04-02 09:55:50 C 14 56 58.254 +09 59 03.23 V G96
2022-04-02 10:02:34 C 14 56 58.463 +09 59 10.64 V 703
2022-04-02 10:03:22 C 14 56 58.492 +09 59 11.54 V G96
2022-04-02 10:10:10 C 14 56 58.708 +09 59 18.96 V 703
2022-04-02 10:10:55 C 14 56 58.729 +09 59 19.93 V G96
2022-04-02 10:18:28 C 14 56 58.974 +09 59 28.14 V G96
2022-04-05 09:49:01 C 14 59 38.065 +11 21 40.32 V 703
2022-04-05 09:56:34 C 14 59 38.274 +11 21 49.14 V 703
2022-04-05 10:04:06 C 14 59 38.501 +11 21 58.28 V 703
2022-04-05 10:11:38 C 14 59 38.720 +11 22 07.36 V 703
2022-04-06 05:46:37 C 15 00 21.593 +11 46 18.80 V W68
2022-04-06 05:51:14 C 15 00 21.768 +11 46 24.35 V W68
2022-04-06 05:55:08 C 15 00 21.881 +11 46 28.96 V W68
2022-04-06 06:08:54 C 15 00 22.298 +11 46 46.09 V W68
2022-04-06 14:03:38 C 15 00 38.316 +11 56 11.15 U F52
2022-04-06 14:20:08 C 15 00 38.799 +11 56 31.43 U F52
2022-04-07 12:57:40 C 15 01 27.278 +12 24 58.28 V T05
2022-04-07 13:02:18 C 15 01 27.389 +12 25 03.83 V T05
2022-04-07 13:11:32 C 15 01 27.646 +12 25 15.82 V T05
2022-04-07 13:26:01 C 15 01 28.066 +12 25 34.10 V T05
2022-04-08 09:03:13 C 15 02 09.654 +12 50 46.25 V 703
2022-04-08 09:10:56 C 15 02 09.870 +12 50 56.26 V 703
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)