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
2022-05-09 07:50:07 C 15 31 01.564 +39 10 07.68 V G96
2022-05-09 09:28:00 C 15 31 10.116 +39 15 53.78 V T08
2022-05-09 09:30:39 C 15 31 10.253 +39 16 02.89 V T08
2022-05-09 09:39:16 C 15 31 10.704 +39 16 32.92 V T08
2022-05-09 10:05:38 C 15 31 12.065 +39 18 04.39 V T08
2022-05-10 01:32:47 C 15 32 17.921 +40 11 24.07 V A16
2022-05-10 01:55:31 C 15 32 19.044 +40 12 44.10 V A16
2022-05-10 02:18:50 C 15 32 20.801 +40 14 04.09 V A16
2022-05-10 09:12:15 C 15 32 56.585 +40 39 02.74 V T08
2022-05-10 09:17:33 C 15 32 56.892 +40 39 22.03 V T08
2022-05-10 09:23:31 C 15 32 57.235 +40 39 43.70 V T08
2022-05-10 10:07:44 C 15 32 59.784 +40 42 23.80 V T08
2022-05-10 22:55:10 C 15 34 01.41 +41 28 18.4 q M16
2022-05-10 23:17:24 C 15 34 02.89 +41 29 40.3 q M16
2022-05-10 23:39:38 C 15 34 04.35 +41 31 02.0 q M16
2022-05-11 08:32:45 C 15 34 48.187 +42 04 02.96 V 703
2022-05-11 08:40:40 C 15 34 48.644 +42 04 31.76 V 703
2022-05-11 08:48:30 C 15 34 49.213 +42 05 01.54 V 703
2022-05-11 08:56:19 C 15 34 49.742 +42 05 30.34 V 703
2022-05-11 09:31:16 C 15 34 55.810 +42 07 52.36 V T05
2022-05-11 09:49:05 C 15 34 56.971 +42 08 59.86 V T05
2022-05-11 09:51:43 C 15 34 57.142 +42 09 09.76 V T05
2022-05-11 10:18:54 C 15 34 58.889 +42 10 52.03 V T05
2022-05-11 23:12:02 C 15 36 07.38 +42 59 09.1 V 130
2022-05-11 23:13:33 C 15 36 07.50 +42 59 15.0 V 130
2022-05-11 23:15:28 C 15 36 07.64 +42 59 22.2 V 130
2022-05-11 23:17:22 C 15 36 07.78 +42 59 29.6 V 130
2022-05-12 09:55:11 C 15 37 08.129 +43 40 58.12 V T05
2022-05-12 09:57:49 C 15 37 08.316 +43 41 08.59 V T05
2022-05-12 10:01:46 C 15 37 08.599 +43 41 24.11 V T05
2022-05-12 10:16:23 C 15 37 09.643 +43 42 21.38 V T05
2022-05-13 21:46:22 C 15 40 52.301 +46 04 53.94 V K74
2022-05-13 21:48:37 C 15 40 52.510 +46 05 03.84 V K74
2022-05-13 21:50:08 C 15 40 52.632 +46 05 09.74 V K74
2022-05-13 21:51:38 C 15 40 52.788 +46 05 16.19 V K74
2022-05-13 21:52:23 C 15 40 52.860 +46 05 19.36 V K74
2022-05-14 08:26:41 C 15 42 03.474 +46 50 09.74 V 703
2022-05-14 08:34:38 C 15 42 04.226 +46 50 43.26 V 703
2022-05-14 08:42:27 C 15 42 04.957 +46 51 16.42 V 703
2022-05-14 08:50:14 C 15 42 05.789 +46 51 48.28 V 703
2022-05-14 10:33:59 C 15 42 19.925 +46 59 26.45 V T08
2022-05-14 10:38:38 C 15 42 20.345 +46 59 46.18 V T08
2022-05-14 10:47:54 C 15 42 21.226 +47 00 25.67 V T08
2022-05-14 11:39:00 C 15 42 26.050 +47 04 02.28 V T08
2022-05-14 20:38:07 C 15 43 37.54 +47 42 11.8 V K83
2022-05-14 20:41:05 C 15 43 37.88 +47 42 25.0 V K83
2022-05-14 20:44:04 C 15 43 38.20 +47 42 38.2 V K83
2022-05-15 09:40:57 C 15 45 14.550 +48 39 51.18 V U68
2022-05-15 09:46:38 C 15 45 15.195 +48 40 16.19 V U68
2022-05-15 10:14:17 C 15 45 18.344 +48 42 17.15 V U68
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)