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
2022-04-08 09:18:39 C 15 02 10.100 +12 51 06.44 V 703
2022-04-08 09:26:23 C 15 02 10.302 +12 51 16.63 V 703
2022-04-08 11:23:47 C 15 02 14.818 +12 53 54.82 V T05
2022-04-08 11:26:25 C 15 02 14.916 +12 53 58.06 V T05
2022-04-08 12:02:05 C 15 02 15.883 +12 54 44.86 V T05
2022-04-08 12:06:02 C 15 02 15.977 +12 54 50.15 V T05
2022-04-10 03:26:06 C 15 03 37.903 +13 47 49.27 V W68
2022-04-10 03:32:41 C 15 03 38.090 +13 47 58.06 V W68
2022-04-10 04:04:49 C 15 03 39.034 +13 48 43.09 V W68
2022-04-10 04:37:06 C 15 03 39.907 +13 49 28.02 V W68
2022-04-10 05:35:51 C 15 03 41.522 +13 50 48.80 V W68
2022-04-10 05:42:26 C 15 03 41.729 +13 50 58.09 V W68
2022-04-10 05:52:54 C 15 03 41.983 +13 51 12.35 V W68
2022-04-10 06:19:18 C 15 03 42.722 +13 51 48.82 V W68
2022-04-11 09:30:07 C 15 04 37.301 +14 29 16.58 V 703
2022-04-11 09:37:55 C 15 04 37.506 +14 29 27.28 V 703
2022-04-11 09:45:42 C 15 04 37.736 +14 29 38.65 V 703
2022-04-11 09:53:30 C 15 04 37.938 +14 29 49.63 V 703
2022-04-11 10:42:03 C 15 04 40.534 +14 31 04.19 V T08
2022-04-11 10:45:29 C 15 04 40.634 +14 31 09.26 V T08
2022-04-11 10:50:05 C 15 04 40.740 +14 31 15.89 V T08
2022-04-11 11:08:45 C 15 04 41.234 +14 31 41.52 V T05
2022-04-11 11:16:44 C 15 04 41.498 +14 31 53.33 V T05
2022-04-11 11:20:01 C 15 04 41.534 +14 31 58.15 V T05
2022-04-11 11:27:16 C 15 04 41.724 +14 32 08.92 V T05
2022-04-11 12:33:43 C 15 04 43.399 +14 33 43.38 V T08
2022-04-12 09:14:01 C 15 05 24.760 +15 03 22.46 V 703
2022-04-12 09:21:26 C 15 05 24.965 +15 03 33.26 V 703
2022-04-12 09:28:52 C 15 05 25.138 +15 03 44.24 V 703
2022-04-12 09:36:18 C 15 05 25.328 +15 03 54.90 V 703
2022-04-13 06:15:18 C 15 06 07.546 +15 34 20.39 V G96
2022-04-13 06:22:41 C 15 06 07.751 +15 34 31.58 V G96
2022-04-13 06:30:04 C 15 06 07.945 +15 34 42.74 V G96
2022-04-13 06:37:27 C 15 06 08.140 +15 34 53.83 V G96
2022-04-13 10:19:27 C 15 06 15.252 +15 40 33.10 V T08
2022-04-13 10:30:03 C 15 06 15.509 +15 40 49.22 V T08
2022-04-13 10:31:07 C 15 06 15.559 +15 40 50.09 V T05
2022-04-13 10:34:24 C 15 06 15.629 +15 40 55.02 V T05
2022-04-13 10:34:39 C 15 06 15.631 +15 40 56.06 V T08
2022-04-13 10:40:20 C 15 06 15.797 +15 41 04.16 V T05
2022-04-13 10:49:11 C 15 06 16.001 +15 41 17.95 V T08
2022-04-13 11:10:36 C 15 06 16.543 +15 41 49.81 V T05
2022-04-14 03:50:06 C 15 06 49.836 +16 07 27.08 V W68
2022-04-14 03:54:01 C 15 06 49.963 +16 07 33.13 V W68
2022-04-14 04:01:12 C 15 06 50.182 +16 07 44.22 V W68
2022-04-14 04:15:34 C 15 06 50.515 +16 08 06.83 V W68
2022-04-14 07:12:52 C 15 06 56.164 +16 12 08.68 V 703
2022-04-14 07:20:34 C 15 06 56.365 +16 12 20.84 V 703
2022-04-14 07:28:16 C 15 06 56.570 +16 12 32.69 V 703
2022-04-14 07:35:58 C 15 06 56.747 +16 12 44.57 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)