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
2022-04-29 08:47:00 C 15 18 58.270 +27 47 18.20 U I41
2022-04-29 09:38:56 C 15 18 59.630 +27 49 21.90 U I41
2022-04-30 07:59:26 C 15 19 52.570 +28 43 41.81 U I41
2022-04-30 08:00:06 C 15 19 52.589 +28 43 43.39 U I41
2022-04-30 08:36:47 C 15 19 53.580 +28 45 14.18 U I41
2022-04-30 08:41:47 C 15 19 53.393 +28 45 27.18 V 703
2022-04-30 08:49:36 C 15 19 53.620 +28 45 46.33 V 703
2022-04-30 08:57:15 C 15 19 53.821 +28 46 05.12 V 703
2022-04-30 09:04:57 C 15 19 54.030 +28 46 24.02 V 703
2022-04-30 09:08:40 C 15 19 54.439 +28 46 32.70 U I41
2022-04-30 09:39:18 C 15 19 55.291 +28 47 48.08 U I41
2022-04-30 10:59:09 C 15 19 57.550 +28 51 03.10 U I41
2022-04-30 11:12:25 C 15 19 59.707 +28 51 50.11 V T08
2022-04-30 11:13:04 C 15 19 59.741 +28 51 51.73 V T08
2022-04-30 11:20:07 C 15 19 59.897 +28 52 09.23 V T08
2022-04-30 11:20:47 C 15 19 59.918 +28 52 10.67 V T08
2022-04-30 11:25:26 C 15 20 00.043 +28 52 22.30 V T08
2022-04-30 11:26:05 C 15 20 00.072 +28 52 23.99 V T08
2022-04-30 12:15:43 C 15 20 01.346 +28 54 26.28 V T08
2022-04-30 12:16:29 C 15 20 01.356 +28 54 28.19 V T08
2022-05-01 06:22:40 C 15 20 47.650 +29 39 46.12 U I41
2022-05-01 06:24:02 C 15 20 47.700 +29 39 49.61 U I41
2022-05-01 06:44:11 C 15 20 48.300 +29 40 41.81 U I41
2022-05-01 07:26:59 C 15 20 49.541 +29 42 32.00 U I41
2022-05-01 10:36:46 C 15 20 55.020 +29 50 35.02 U I41
2022-05-01 12:45:33 C 15 21 00.543 +29 56 16.05 U F52
2022-05-01 13:00:08 C 15 21 00.952 +29 56 53.04 U F52
2022-05-01 13:14:47 C 15 21 01.381 +29 57 30.10 U F52
2022-05-01 13:29:27 C 15 21 01.808 +29 58 06.89 U F52
2022-05-02 07:40:02 C 15 21 50.580 +30 45 20.09 U I41
2022-05-02 08:40:17 C 15 21 52.390 +30 47 59.60 U I41
2022-05-02 09:59:45 C 15 21 54.809 +30 51 28.12 U I41
2022-05-02 10:19:56 C 15 21 55.440 +30 52 20.78 U I41
2022-05-04 08:39:15 C 15 24 03.841 +32 59 13.34 V 703
2022-05-04 08:54:29 C 15 24 04.342 +32 59 56.54 V 703
2022-05-04 09:02:05 C 15 24 04.604 +33 00 17.75 V 703
2022-05-06 08:24:59 C 15 26 35.654 +35 19 35.94 V T05
2022-05-06 08:29:36 C 15 26 35.849 +35 19 50.34 V T05
2022-05-06 09:00:29 C 15 26 37.114 +35 21 26.60 V T05
2022-05-06 09:10:17 C 15 26 37.507 +35 21 56.99 V T05
2022-05-08 07:25:04 C 15 29 22.819 +37 48 13.79 V 703
2022-05-08 07:33:01 C 15 29 23.201 +37 48 40.10 V 703
2022-05-08 07:40:52 C 15 29 23.593 +37 49 05.99 V 703
2022-05-08 07:48:34 C 15 29 23.946 +37 49 31.30 V 703
2022-05-08 21:14:26 C 15 30 19.03 +38 33 51.6 V G02
2022-05-08 21:19:51 C 15 30 19.32 +38 34 10.0 V G02
2022-05-08 21:24:53 C 15 30 19.61 +38 34 27.2 V G02
2022-05-09 07:27:43 C 15 31 00.383 +39 08 50.96 V G96
2022-05-09 07:35:08 C 15 31 00.779 +39 09 16.38 V G96
2022-05-09 07:42:38 C 15 31 01.168 +39 09 42.05 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)