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
2024-02-12 15:38:58 C 16 00 29.351 -11 26 09.42 X F52
2024-02-12 15:46:25 C 16 00 30.435 -11 26 11.33 X F52
2024-07-11 09:53:21 C 03 19 15.96 +12 14 13.5 X W84
2024-07-11 10:05:46 C 03 19 17.52 +12 14 17.5 X W84
2024-07-11 10:18:06 C 03 19 19.07 +12 14 21.5 X W84
2024-07-11 10:30:42 C 03 19 20.66 +12 14 25.5 X W84
2024-11-21 12:50:05 C 05 41 34.495 +13 06 34.13 X F51
2024-11-21 13:05:44 C 05 41 33.311 +13 06 34.84 X F51
2024-11-21 13:21:19 C 05 41 32.148 +13 06 35.55 X F51
2024-11-21 13:36:59 C 05 41 30.969 +13 06 36.24 X F51
2024-11-23 10:34:50 C 05 38 11.922 +13 08 54.60 V G96
2024-11-23 10:42:20 C 05 38 11.342 +13 08 54.82 V G96
2024-11-23 10:49:49 C 05 38 10.766 +13 08 55.10 V G96
2024-11-23 10:57:17 C 05 38 10.187 +13 08 55.86 V G96
2024-11-29 08:54:23 C 05 27 06.412 +13 18 39.61 X F52
2024-11-29 09:09:51 C 05 27 05.128 +13 18 40.90 X F52
2024-11-29 09:25:21 C 05 27 03.846 +13 18 42.22 X F52
2024-11-29 09:40:56 C 05 27 02.556 +13 18 43.53 X F52
2024-12-03 08:09:26 C 05 19 22.260 +13 27 00.94 V V00
2024-12-03 08:17:31 C 05 19 21.583 +13 27 01.76 V V00
2024-12-03 08:25:37 C 05 19 20.899 +13 27 02.52 V V00
2024-12-03 08:33:42 C 05 19 20.219 +13 27 03.28 V V00
2024-12-06 09:23:40 C 05 13 24.372 +13 34 27.15 X F52
2024-12-06 09:40:27 C 05 13 22.966 +13 34 28.93 X F52
2024-12-06 09:57:21 C 05 13 21.541 +13 34 30.78 X F52
2024-12-19 16:44:22 C 04 49 10.57 +14 15 19.6 V D29
2024-12-19 17:04:44 C 04 49 09.17 +14 15 22.6 V D29
2024-12-19 17:25:05 C 04 49 07.72 +14 15 25.5 V D29
2024-12-22 07:34:40 C 04 45 03.409 +14 24 51.23 V G96
2024-12-22 07:42:44 C 04 45 02.887 +14 24 52.56 V G96
2024-12-22 07:50:50 C 04 45 02.394 +14 24 53.46 V G96
2024-12-22 07:58:55 C 04 45 01.847 +14 24 54.65 V G96
2024-12-24 06:46:44 C 04 42 09.018 +14 32 17.92 V G96
2024-12-24 06:54:48 C 04 42 08.518 +14 32 19.18 V G96
2024-12-24 07:02:51 C 04 42 08.028 +14 32 20.18 V G96
2024-12-24 07:10:54 C 04 42 07.528 +14 32 21.91 V G96
2024-12-29 05:52:29 C 04 35 35.778 +14 52 12.83 X F52
2024-12-29 06:08:57 C 04 35 34.895 +14 52 15.87 X F52
2024-12-29 06:25:25 C 04 35 34.047 +14 52 18.71 X F52
2025-01-03 05:12:45 C 04 30 12.204 +15 13 37.74 V G96
2025-01-03 05:20:11 C 04 30 11.884 +15 13 39.29 V G96
2025-01-03 05:27:39 C 04 30 11.570 +15 13 40.58 V G96
2025-01-03 05:35:07 C 04 30 11.236 +15 13 41.56 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)