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
2020-03-12 19:14:19 S 11 18 50.822 +19 47 52.73 V C57
2020-03-12 19:14:19 s 1 -132844.60 1 +373882.03 9610.0 C57
2020-03-13 19:14:19 S 11 16 56.820 +20 05 42.79 V C57
2020-03-13 19:14:19 s 1 -175232.39 2 +334444.70 4170.0 C57
2020-03-13 20:14:19 S 11 16 52.224 +20 06 26.86 V C57
2020-03-13 20:14:19 s 1 -176812.93 3 +332406.53 320.0 C57
2020-03-13 23:44:19 S 11 16 35.071 +20 08 59.64 V C57
2020-03-13 23:44:19 s 1 -182207.88 3 +325019.66 5570.0 C57
2020-03-14 09:14:19 S 11 15 48.636 +20 15 52.85 V C57
2020-03-14 09:14:19 s 1 -195686.09 3 +302960.33 9370.0 C57
2020-03-14 09:44:19 S 11 15 46.296 +20 16 15.96 V C57
2020-03-14 09:44:19 s 1 -196344.45 2 +301716.97 4470.0 C57
2020-03-14 11:14:19 S 11 15 38.772 +20 17 17.34 V C57
2020-03-14 11:14:19 s 1 -198286.79 2 +297936.94 6560.0 C57
2020-03-14 12:14:19 S 11 15 34.174 +20 18 07.60 V C57
2020-03-14 12:14:19 s 1 -199553.90 6 +295375.16 1460.0 C57
2020-03-14 22:14:19 S 11 14 44.609 +20 25 10.38 V C57
2020-03-14 22:14:19 s 1 -210904.60 5 +267894.49 9540.0 C57
2020-03-16 07:16:16 C 11 11 42.50 +20 44 39.0 V 703
2020-03-16 07:23:49 C 11 11 41.95 +20 44 44.2 V 703
2020-03-16 07:31:21 C 11 11 41.24 +20 44 48.9 V 703
2020-03-16 07:38:53 C 11 11 40.71 +20 44 54.4 V 703
2020-03-16 23:08:54 C 11 10 29.59 +20 55 22.5 V 130
2020-03-16 23:17:18 C 11 10 28.94 +20 55 28.9 V 130
2020-03-17 07:44:18 S 11 09 49.627 +21 04 10.56 V C57
2020-03-17 07:44:18 s 1 -195393.37 9 +39232.071 5570.0 C57
2020-03-17 08:14:18 S 11 09 46.541 +21 04 29.75 V C57
2020-03-17 08:14:18 s 1 -194180.43 3 +36725.028 9890.0 C57
2020-03-17 16:16:00 C 11 09 10.71 +21 06 52.1 q D29
2020-03-17 16:36:22 C 11 09 09.07 +21 07 05.6 q D29
2020-03-17 16:56:44 C 11 09 07.44 +21 07 18.9 q D29
2020-03-18 22:59:24 C 11 06 49.09 +21 26 54.0 V A16
2020-03-18 23:31:36 C 11 06 46.52 +21 27 14.6 V A16
2020-03-18 23:42:19 C 11 06 45.68 +21 27 21.4 V A16
2020-03-18 23:51:59 C 11 06 44.92 +21 27 27.9 V A16
2020-03-24 09:57:09 C 10 56 50.072 +22 44 48.83 U F51
2020-03-24 10:17:12 C 10 56 48.498 +22 44 59.55 U F51
2020-03-24 10:37:07 C 10 56 46.934 +22 45 10.18 U F51
2020-03-24 10:57:09 C 10 56 45.365 +22 45 20.87 U F51
2020-03-25 09:09:31 C 10 55 06.53 +22 57 08.9 V T08
2020-03-25 09:15:35 C 10 55 06.10 +22 57 11.6 V T08
2020-03-25 09:30:27 C 10 55 04.92 +22 57 19.6 V T08
2020-03-25 09:40:50 C 10 55 04.06 +22 57 26.0 V T08
2020-03-27 23:07:20 C 10 50 35.79 +23 27 35.6 V A16
2020-03-27 23:18:03 C 10 50 35.00 +23 27 41.2 V A16
2020-03-27 23:28:45 C 10 50 34.18 +23 27 45.4 V A16
2020-03-27 23:39:28 C 10 50 33.41 +23 27 50.7 V A16
2020-04-20 05:13:46 C 10 22 49.26 +25 22 58.1 V G96
2020-04-20 05:21:18 C 10 22 49.06 +25 22 57.6 V G96
2020-04-20 05:30:24 C 10 22 48.82 +25 22 57.4 V G96
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)