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
2022-02-12 14:59:53 C 13 56 18.843 -00 11 52.17 U F52
2022-02-12 15:18:22 C 13 56 19.949 -00 11 50.11 U F52
2022-02-26 14:16:57 C 14 16 30.724 +00 54 24.22 U F52
2022-02-26 14:34:40 C 14 16 31.686 +00 54 29.51 U F52
2022-02-26 14:52:16 C 14 16 32.643 +00 54 34.78 U F52
2022-02-26 15:10:02 C 14 16 33.611 +00 54 40.13 U F52
2022-03-01 08:48:14 C 14 20 18.42 +01 15 41.8 V 703
2022-03-01 08:55:45 C 14 20 18.87 +01 15 44.4 V 703
2022-03-01 09:03:17 C 14 20 19.29 +01 15 47.6 V 703
2022-03-01 09:10:49 C 14 20 19.70 +01 15 50.0 V 703
2022-03-03 13:57:12 C 14 23 16.016 +01 35 01.49 U F52
2022-03-03 13:59:07 C 14 23 16.117 +01 35 02.21 U F52
2022-03-03 14:14:04 C 14 23 16.890 +01 35 07.95 U F52
2022-03-03 14:15:58 C 14 23 16.989 +01 35 08.67 U F52
2022-03-03 14:30:55 C 14 23 17.763 +01 35 14.36 U F52
2022-03-03 14:32:52 C 14 23 17.862 +01 35 15.08 U F52
2022-03-03 14:47:53 C 14 23 18.639 +01 35 20.82 U F52
2022-03-05 10:44:16 C 14 25 43.29 +01 52 49.4 V G96
2022-03-05 10:52:36 C 14 25 43.72 +01 52 52.9 V G96
2022-03-05 11:00:54 C 14 25 44.14 +01 52 56.4 V G96
2022-03-05 11:09:14 C 14 25 44.58 +01 52 59.8 V G96
2022-03-07 10:52:45 C 14 28 18.67 +02 13 42.2 V 703
2022-03-07 11:08:01 C 14 28 19.49 +02 13 48.4 V 703
2022-03-07 11:15:39 C 14 28 19.88 +02 13 52.3 V 703
2022-03-10 11:04:27 C 14 32 06.36 +02 48 26.1 V 703
2022-03-10 11:12:05 C 14 32 06.74 +02 48 29.1 V 703
2022-03-10 11:19:43 C 14 32 07.10 +02 48 33.9 V 703
2022-03-10 11:27:21 C 14 32 07.45 +02 48 38.3 V 703
2022-03-10 13:03:01 C 14 32 12.82 +02 49 28.9 V T05
2022-03-10 13:05:39 C 14 32 12.86 +02 49 29.9 V T05
2022-03-10 13:09:37 C 14 32 13.09 +02 49 32.2 V T05
2022-03-10 13:26:09 C 14 32 13.86 +02 49 40.5 V T05
2022-03-12 14:10:49 C 14 34 43.27 +03 15 40.6 V T08
2022-03-12 14:15:48 C 14 34 43.63 +03 15 42.7 V T08
2022-03-12 14:59:12 C 14 34 45.60 +03 16 08.2 V T08
2022-03-12 15:22:24 C 14 34 46.66 +03 16 19.7 V T08
2022-03-13 07:53:32 C 14 35 37.133 +03 25 49.73 V W68
2022-03-13 07:58:25 C 14 35 37.279 +03 25 52.75 V W68
2022-03-13 08:07:51 C 14 35 37.769 +03 25 58.58 V W68
2022-03-13 08:51:08 C 14 35 39.758 +03 26 22.99 V W68
2022-03-13 09:19:09 C 14 35 41.74 +03 26 22.9 V 703
2022-03-13 09:26:50 C 14 35 42.12 +03 26 27.4 V 703
2022-03-13 09:34:31 C 14 35 42.37 +03 26 31.1 V 703
2022-03-13 09:42:11 C 14 35 42.72 +03 26 35.7 V 703
2022-03-14 10:29:56 C 14 36 56.84 +03 41 02.4 V 703
2022-03-14 10:37:39 C 14 36 57.21 +03 41 07.0 V 703
2022-03-14 10:45:23 C 14 36 57.54 +03 41 11.1 V 703
2022-03-14 10:53:07 C 14 36 57.93 +03 41 16.7 V 703
2022-03-16 06:42:51 C 14 39 07.91 +04 08 09.4 V 703
2022-03-16 06:50:30 C 14 39 08.39 +04 08 15.3 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)