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
2022-10-18 10:38:15 C 04 32 53.970 +01 51 46.01 V 703
2022-10-18 10:45:53 C 04 32 53.365 +01 51 45.04 V 703
2022-10-18 10:53:33 C 04 32 52.778 +01 51 43.24 V 703
2022-10-20 13:11:41 C 04 29 11.321 +01 42 36.15 U F52
2022-10-20 13:29:30 C 04 29 09.883 +01 42 33.10 U F52
2022-10-20 14:04:51 C 04 29 07.041 +01 42 26.94 U F52
2022-10-22 13:08:38 C 04 25 27.461 +01 34 44.40 V T08
2022-10-22 13:16:36 C 04 25 26.789 +01 34 43.36 V T08
2022-10-22 13:21:16 C 04 25 26.393 +01 34 42.38 V T08
2022-10-22 13:41:31 C 04 25 24.655 +01 34 39.40 V T08
2022-10-23 05:14:08 C 04 24 10.351 +01 32 32.93 V W68
2022-10-23 05:16:44 C 04 24 10.106 +01 32 32.28 V W68
2022-10-23 05:34:18 C 04 24 08.635 +01 32 30.16 V W68
2022-10-23 06:13:18 C 04 24 05.321 +01 32 23.96 V W68
2022-10-24 23:41:59 C 04 20 39.562 +01 26 41.03 V M22
2022-10-24 23:51:12 C 04 20 38.755 +01 26 39.59 V M22
2022-10-24 23:55:47 C 04 20 38.366 +01 26 39.12 V M22
2022-10-25 00:28:55 C 04 20 35.426 +01 26 34.84 V M22
2022-10-25 09:00:31 C 04 19 52.262 +01 25 11.35 V 703
2022-10-25 09:08:10 C 04 19 51.614 +01 25 09.95 V 703
2022-10-25 09:15:48 C 04 19 50.905 +01 25 09.26 V 703
2022-10-25 09:23:27 C 04 19 50.214 +01 25 08.69 V 703
2022-10-28 08:33:39 C 04 13 38.986 +01 17 30.70 V 703
2022-10-28 08:41:16 C 04 13 38.323 +01 17 30.08 V 703
2022-10-28 08:48:53 C 04 13 37.600 +01 17 29.54 V 703
2022-10-28 08:51:52 C 04 13 37.333 +01 17 29.40 V G96
2022-10-28 08:56:30 C 04 13 36.890 +01 17 28.93 V 703
2022-10-28 08:59:20 C 04 13 36.642 +01 17 28.72 V G96
2022-10-28 09:06:48 C 04 13 35.944 +01 17 28.10 V G96
2022-10-28 09:15:22 C 04 13 35.155 +01 17 27.24 V G96
2022-10-29 12:19:23 C 04 11 09.705 +01 15 17.44 U F52
2022-10-29 12:35:55 C 04 11 08.136 +01 15 16.17 U F52
2022-10-29 12:52:36 C 04 11 06.563 +01 15 14.95 U F52
2022-10-29 13:09:12 C 04 11 04.990 +01 15 13.68 U F52
2022-10-30 11:09:00 C 04 09 05.966 +01 13 43.82 V T08
2022-10-30 11:12:20 C 04 09 05.650 +01 13 43.50 V T08
2022-10-30 11:16:19 C 04 09 05.268 +01 13 43.43 V T08
2022-10-30 11:23:39 C 04 09 04.570 +01 13 42.56 V T08
2022-10-31 04:01:48 C 04 07 33.878 +01 12 59.33 V W68
2022-10-31 04:36:23 C 04 07 30.562 +01 12 57.42 V W68
2022-10-31 04:47:49 C 04 07 29.467 +01 12 56.59 V W68
2022-10-31 04:52:29 C 04 07 29.002 +01 12 56.66 V W68
2022-10-31 08:06:21 C 04 07 11.154 +01 12 29.20 V 703
2022-10-31 08:13:58 C 04 07 10.416 +01 12 28.91 V 703
2022-10-31 08:21:33 C 04 07 09.667 +01 12 27.90 V 703
2022-10-31 08:29:08 C 04 07 08.990 +01 12 27.94 V 703
2022-11-02 07:23:34 C 04 02 49.412 +01 10 42.02 V 703
2022-11-02 07:48:12 C 04 02 47.285 +01 10 41.52 V 703
2022-11-02 07:57:40 C 04 02 46.356 +01 10 41.38 V 703
2022-11-02 08:05:44 C 04 02 45.589 +01 10 40.84 V 703
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)