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
2022-11-23 11:14:34 C 03 19 08.714 +02 09 49.32 V T08
2022-11-23 11:22:26 C 03 19 08.107 +02 09 50.47 V T08
2022-11-23 12:41:53 C 03 19 03.494 +02 10 19.74 V P07
2022-11-23 13:49:38 C 03 18 58.538 +02 10 36.55 V P07
2022-11-23 15:46:30 C 03 18 49.920 +02 11 05.14 V P07
2022-11-23 16:42:46 C 03 18 45.802 +02 11 18.74 V P07
2022-11-23 17:38:25 C 03 18 41.712 +02 11 32.82 V P07
2022-11-23 18:47:24 C 03 18 36.686 +02 11 50.21 V P07
2022-11-24 04:25:41 C 03 17 57.226 +02 14 16.08 V W68
2022-11-24 05:15:17 C 03 17 53.645 +02 14 28.43 V W68
2022-11-24 05:32:28 C 03 17 52.399 +02 14 34.15 V W68
2022-11-24 05:46:40 C 03 17 51.396 +02 14 36.74 V W68
2022-11-25 06:37:44 C 03 16 11.129 +02 20 47.36 V 703
2022-11-25 06:45:24 C 03 16 10.582 +02 20 49.34 V 703
2022-11-25 06:53:03 C 03 16 10.063 +02 20 51.79 V 703
2022-11-25 07:00:42 C 03 16 09.505 +02 20 54.24 V 703
2022-11-25 20:58:21 C 03 15 14.794 +02 24 50.62 V M22
2022-11-25 21:01:40 C 03 15 14.556 +02 24 51.73 V M22
2022-11-25 21:52:33 C 03 15 11.076 +02 25 05.70 V M22
2022-11-25 22:17:26 C 03 15 09.391 +02 25 12.36 V M22
2022-11-26 08:35:00 C 03 14 29.935 +02 27 48.35 U F51
2022-11-26 08:52:20 C 03 14 28.765 +02 27 53.09 U F51
2022-11-26 09:11:45 C 03 14 27.457 +02 27 58.42 U F51
2022-11-26 09:34:05 C 03 14 25.951 +02 28 04.53 U F51
2022-11-26 14:12:47 C 03 14 08.45 +02 29 19.0 V D29
2022-11-26 14:33:09 C 03 14 07.11 +02 29 24.5 V D29
2022-11-26 14:53:31 C 03 14 05.73 +02 29 29.9 V D29
2022-12-01 04:04:03 C 03 07 46.387 +03 01 47.60 V 703
2022-12-01 04:12:06 C 03 07 45.937 +03 01 49.84 V 703
2022-12-01 04:20:09 C 03 07 45.437 +03 01 53.47 V 703
2022-12-01 04:28:12 C 03 07 45.088 +03 01 55.74 V 703
2022-12-01 05:28:31 C 03 07 41.696 +03 02 14.35 V G96
2022-12-01 05:36:40 C 03 07 41.243 +03 02 16.84 V G96
2022-12-01 05:44:48 C 03 07 40.789 +03 02 19.68 V G96
2022-12-01 05:52:58 C 03 07 40.336 +03 02 22.09 V G96
2022-12-12 14:25:59 C 02 57 02.42 +04 37 42.4 V D29
2022-12-12 14:46:20 C 02 57 01.83 +04 37 50.0 V D29
2022-12-12 15:06:42 C 02 57 01.22 +04 37 57.1 V D29
2022-12-13 12:35:04 C 02 56 29.54 +04 46 07.2 V D29
2022-12-13 12:55:26 C 02 56 28.94 +04 46 15.0 V D29
2022-12-13 13:15:48 C 02 56 28.43 +04 46 22.4 V D29
2022-12-19 05:12:02 C 02 54 02.048 +05 39 29.99 V G96
2022-12-19 05:20:08 C 02 54 01.926 +05 39 33.01 V G96
2022-12-19 05:28:16 C 02 54 01.811 +05 39 36.50 V G96
2022-12-19 05:36:22 C 02 54 01.688 +05 39 39.64 V G96
2023-01-13 03:54:33 C 02 59 35.416 +09 47 27.17 V G96
2023-01-13 04:02:37 C 02 59 35.610 +09 47 30.59 V G96
2023-01-13 04:10:41 C 02 59 35.812 +09 47 34.04 V G96
2023-01-13 04:18:46 C 02 59 36.020 +09 47 37.28 V G96
2024-02-12 15:23:59 C 16 00 27.159 -11 26 05.37 X F52
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)