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
2022-09-04 05:21:29 S 04 47 49.07 +06 17 03.8 L C51
2022-09-04 06:55:22 S 04 47 52.52 +06 16 41.4 L C51
2022-09-04 10:03:09 S 04 47 59.33 +06 15 57.4 L C51
2022-09-04 19:26:37 S 04 48 19.64 +06 13 44.3 L C51
2022-09-05 07:43:21 C 04 48 46.836 +06 10 59.63 V W68
2022-09-05 07:47:53 C 04 48 46.944 +06 10 58.08 V W68
2022-09-05 07:58:16 C 04 48 47.362 +06 10 55.38 V W68
2022-09-05 08:08:03 C 04 48 47.645 +06 10 52.86 V W68
2022-09-08 13:23:02 C 04 51 14.753 +05 52 05.03 U F52
2022-09-08 13:40:29 C 04 51 15.190 +05 52 00.88 U F52
2022-09-08 13:57:59 C 04 51 15.624 +05 51 56.56 U F52
2022-09-08 14:15:30 C 04 51 16.042 +05 51 52.47 U F52
2022-09-10 14:01:33 C 04 52 32.619 +05 40 10.47 U F51
2022-09-10 14:17:18 C 04 52 32.940 +05 40 06.64 U F51
2022-09-10 14:33:08 C 04 52 33.258 +05 40 02.77 U F51
2022-09-22 14:06:26 C 04 55 54.589 +04 25 55.05 U F51
2022-09-22 14:09:50 C 04 55 54.569 +04 25 53.94 V T05
2022-09-22 14:13:05 C 04 55 54.554 +04 25 52.97 V T05
2022-09-22 14:22:43 C 04 55 54.472 +04 25 50.71 U F51
2022-09-22 14:39:03 C 04 55 54.354 +04 25 46.39 U F51
2022-09-22 14:41:17 C 04 55 54.310 +04 25 45.88 V T05
2022-09-22 14:53:42 C 04 55 54.238 +04 25 42.35 V T05
2022-09-22 14:55:10 C 04 55 54.237 +04 25 42.07 U F51
2022-09-26 14:25:14 C 04 55 10.392 +04 00 03.56 U F52
2022-09-26 14:43:47 C 04 55 10.063 +03 59 58.55 U F52
2022-09-26 14:53:05 C 04 55 09.897 +03 59 56.04 U F52
2022-09-29 07:25:47 C 04 54 06.314 +03 42 50.00 V W68
2022-09-29 07:36:18 C 04 54 05.923 +03 42 45.79 V W68
2022-09-29 07:40:12 C 04 54 05.858 +03 42 45.00 V W68
2022-09-29 07:53:56 C 04 54 05.626 +03 42 41.18 V W68
2022-10-02 13:25:37 C 04 52 10.922 +03 21 45.47 V T08
2022-10-02 13:28:17 C 04 52 10.829 +03 21 45.11 V T08
2022-10-02 13:32:16 C 04 52 10.721 +03 21 44.06 V T08
2022-10-02 14:00:10 C 04 52 09.770 +03 21 36.29 U F52
2022-10-02 14:04:43 C 04 52 09.564 +03 21 35.53 V T08
2022-10-02 14:35:44 C 04 52 08.565 +03 21 26.94 U F52
2022-10-02 14:53:25 C 04 52 07.962 +03 21 22.24 U F52
2022-10-06 12:50:51 C 04 48 53.222 +02 56 57.23 V T08
2022-10-06 12:55:30 C 04 48 53.040 +02 56 55.90 V T08
2022-10-06 13:23:28 C 04 48 51.785 +02 56 48.30 V T08
2022-10-06 13:31:26 C 04 48 51.427 +02 56 46.54 V T08
2022-10-07 09:22:34 C 04 48 02.574 +02 51 41.76 V 703
2022-10-07 09:30:04 C 04 48 02.304 +02 51 38.74 V 703
2022-10-07 09:37:34 C 04 48 01.865 +02 51 37.01 V 703
2022-10-07 09:45:03 C 04 48 01.595 +02 51 35.24 V 703
2022-10-16 12:24:32 C 04 36 04.980 +02 00 59.90 V T05
2022-10-16 12:28:27 C 04 36 04.646 +02 00 59.65 V T05
2022-10-16 12:31:03 C 04 36 04.464 +02 00 58.68 V T05
2022-10-16 12:35:36 C 04 36 04.135 +02 00 58.28 V T05
2022-10-16 12:41:28 C 04 36 03.763 +02 00 56.27 V T05
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)