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
2022-05-15 10:19:56 C 15 45 19.008 +48 42 42.03 V U68
2022-05-15 20:50:44 C 15 46 52.04 +49 29 57.7 V 073
2022-05-15 21:35:37 C 15 46 57.58 +49 33 24.4 V 073
2022-05-15 22:21:16 C 15 47 03.17 +49 36 53.7 V 073
2022-05-15 23:09:50 C 15 47 10.59 +49 40 25.1 V L65
2022-05-15 23:11:48 C 15 47 09.39 +49 40 38.4 V L18
2022-05-15 23:12:09 C 15 47 09.43 +49 40 39.2 V L18
2022-05-15 23:12:30 C 15 47 09.49 +49 40 41.7 V L18
2022-05-15 23:12:52 C 15 47 09.58 +49 40 43.3 V L18
2022-05-15 23:13:13 C 15 47 09.61 +49 40 44.9 V L18
2022-05-15 23:13:34 C 15 47 09.66 +49 40 46.6 V L18
2022-05-15 23:13:55 C 15 47 09.68 +49 40 48.2 V L18
2022-05-15 23:14:17 C 15 47 09.72 +49 40 49.9 V L18
2022-05-15 23:14:38 C 15 47 09.79 +49 40 51.6 V L18
2022-05-15 23:14:59 C 15 47 09.83 +49 40 53.2 V L18
2022-05-15 23:31:01 C 15 47 13.28 +49 42 02.0 V L65
2022-05-15 23:58:50 C 15 47 16.81 +49 44 09.3 V L65
2022-05-16 10:42:43 C 15 48 53.909 +50 34 24.06 V T05
2022-05-16 10:47:59 C 15 48 54.571 +50 34 48.54 V T05
2022-05-16 10:56:35 C 15 48 55.642 +50 35 28.64 V T05
2022-05-16 11:13:02 C 15 48 57.706 +50 36 45.18 V T05
2022-05-16 16:53:58 C 15 49 51.63 +51 03 14.2 V D29
2022-05-16 17:23:03 C 15 49 55.52 +51 05 30.5 V D29
2022-05-16 17:52:08 C 15 49 59.44 +51 07 46.2 V D29
2022-05-16 19:31:14 C 15 50 21.76 +51 15 14.2 V 073
2022-05-16 20:21:31 C 15 50 29.05 +51 19 18.4 V 073
2022-05-16 21:11:02 C 15 50 36.14 +51 23 17.8 V 073
2022-05-16 21:56:34 C 15 50 42.59 +51 26 56.9 V 073
2022-05-16 22:37:35 C 15 50 48.42 +51 30 13.1 V 073
2022-05-16 23:20:14 C 15 50 54.49 +51 33 35.6 V 073
2022-05-18 08:12:29 C 15 56 57.541 +54 15 58.03 V 703
2022-05-18 08:20:21 C 15 56 58.996 +54 16 38.24 V 703
2022-05-18 08:28:10 C 15 57 00.356 +54 17 17.66 V 703
2022-05-18 08:35:58 C 15 57 01.706 +54 17 56.87 V 703
2022-05-18 09:47:43 C 15 57 19.908 +54 24 17.32 V T08
2022-05-18 09:50:23 C 15 57 20.374 +54 24 30.78 V T08
2022-05-18 09:55:02 C 15 57 21.132 +54 24 54.79 V T08
2022-05-18 10:02:19 C 15 57 22.404 +54 25 32.56 V T08
2022-05-18 19:45:07 C 15 59 29.13 +55 14 51.4 V 073
2022-05-18 20:42:22 C 15 59 40.41 +55 19 54.7 V 073
2022-05-18 21:32:40 C 15 59 50.24 +55 24 19.5 V 073
2022-05-18 22:18:34 C 15 59 59.27 +55 28 20.3 V 073
2022-05-18 22:40:14 C 16 00 03.50 +55 30 13.3 V 073
2022-05-18 23:01:53 C 16 00 07.76 +55 32 06.0 V 073
2022-05-19 07:05:07 C 16 02 00.964 +56 14 41.75 V G96
2022-05-19 07:12:39 C 16 02 02.497 +56 15 21.82 V G96
2022-05-19 07:20:11 C 16 02 04.024 +56 16 01.96 V G96
2022-05-19 07:27:44 C 16 02 05.564 +56 16 42.06 V G96
2022-05-19 19:28:47 C 16 05 08.37 +57 20 34.0 V 073
2022-05-19 20:19:52 C 16 05 20.43 +57 25 17.1 V 073
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)