17188 (1999 WC2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6366567525 ± 6.91e-09
Semi-major axis (a)2.2163129395 AU ± 1.25e-09
Inclination (i)29.45376125° ± 3.51e-06
Long. of Asc. Node (Ω)269.75984206° ± 2.40e-06
Arg. of Perihelion (ω)287.22265467° ± 2.83e-06
Mean Anomaly (M)292.03560408° ± 1.15e-06
Mean Motion (n)0.2987209303°/day ± 2.53e-10
Perihelion dist (q)0.80528234 AU ± 1.53e-08
Aphelion dist (Q)3.62734354 AU ± 1.54e-08
Orbital Period3.29948853 yr ± 2.79e-09
Physical Parameters
H (abs. magnitude)16.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.237″
Uncertainty0
Orbit TypeApollo
MOID0.063429 AU
Observations Used717
Radar Obs Used1
Oppositions16
Arc Total1990-2026
First Observation Used1990-07-27
Last Observation Used2026-01-07
Observations (806)
Date Type RA Dec Mag Band Observatory
2013-07-01 00:07:46 C 18 41 53.50 +05 47 20.2 q 203
2013-07-01 21:25:48 C 18 39 03.32 +06 25 28.2 q B92
2013-07-01 21:38:20 C 18 39 01.63 +06 25 49.7 q B92
2013-07-01 21:50:59 C 18 38 59.94 +06 26 11.2 q B92
2013-07-01 22:16:14 C 18 38 56.53 +06 26 54.1 q B92
2013-07-01 22:28:51 C 18 38 54.85 +06 27 15.4 q B92
2013-07-01 22:41:27 C 18 38 53.13 +06 27 37.0 q B92
2013-07-01 22:54:16 C 18 38 51.40 +06 27 58.7 q B92
2013-07-01 23:06:46 C 18 38 49.71 +06 28 19.9 q B92
2013-07-01 23:19:24 C 18 38 47.99 +06 28 41.4 q B92
2013-07-01 23:44:44 C 18 38 44.61 +06 29 23.7 q B92
2013-07-01 23:57:22 C 18 38 42.89 +06 29 45.2 q B92
2013-07-02 00:22:25 C 18 38 39.51 +06 30 27.3 q B92
2013-07-02 00:35:03 C 18 38 37.83 +06 30 48.4 q B92
2013-07-02 00:47:44 C 18 38 36.08 +06 31 09.8 q B92
2013-07-02 01:00:25 C 18 38 34.43 +06 31 30.8 q B92
2013-07-04 22:45:08 C 18 30 45.32 +08 10 43.8 q 203
2013-07-04 23:39:45 C 18 30 39.61 +08 11 49.1 q 203
2013-07-07 00:48:11 C 18 26 12.76 +09 04 00.7 q G34
2013-07-07 00:53:27 C 18 26 12.27 +09 04 05.6 q G34
2013-07-07 00:58:48 C 18 26 11.84 +09 04 10.8 q G34
2013-07-07 01:04:11 C 18 26 11.31 +09 04 15.3 q G34
2013-07-07 01:09:33 C 18 26 10.94 +09 04 20.4 q G34
2013-07-07 01:14:55 C 18 26 10.38 +09 04 25.7 q G34
2013-07-07 23:19:52 C 18 24 25.77 +09 24 05.9 q K20
2013-07-07 23:44:53 C 18 24 23.72 +09 24 26.9 q K20
2013-07-07 23:50:06 C 18 24 23.30 +09 24 31.2 q K20
2013-07-07 23:54:48 C 18 24 22.92 +09 24 35.2 q K20
2013-07-08 00:00:24 C 18 24 22.48 +09 24 39.9 q K20
2013-07-08 00:03:52 C 18 24 22.19 +09 24 42.8 q K20
2013-07-08 00:07:44 C 18 24 21.85 +09 24 46.2 q K20
2013-07-08 21:33:12 C 18 22 48.17 +09 41 50.0 q K20
2013-07-08 21:38:51 C 18 22 47.71 +09 41 53.2 c 127
2013-07-08 21:45:10 C 18 22 47.24 +09 41 58.1 c 127
2013-07-08 21:47:49 C 18 22 47.07 +09 42 00.1 q K20
2013-07-08 21:50:17 C 18 22 46.83 +09 42 02.2 c 127
2013-07-08 21:55:28 C 18 22 46.43 +09 42 06.0 c 127
2013-07-08 21:55:40 C 18 22 46.47 +09 42 06.1 q K20
2013-07-08 22:10:20 C 18 22 45.32 +09 42 17.0 c 127
2013-07-10 21:15:27 C 18 19 41.52 +10 13 45.9 15.8 o A92
2013-07-10 21:25:18 C 18 19 40.86 +10 13 51.8 15.8 o A92
2013-07-10 21:35:03 C 18 19 40.31 +10 13 56.7 15.9 o A92
2013-07-10 21:48:52 C 18 19 39.38 +10 14 05.3 15.9 o A92
2013-07-10 23:06:05 C 18 19 34.45 +10 14 49.9 15.9 o A92
2013-07-11 21:58:14 C 18 18 17.00 +10 27 20.6 c 127
2013-07-11 22:05:26 C 18 18 16.55 +10 27 24.3 c 127
2013-07-11 22:22:46 C 18 18 15.55 +10 27 33.2 c 127
2013-07-18 22:21:31 C 18 11 31.21 +11 20 55.6 q K20
2013-07-18 23:18:57 C 18 11 29.45 +11 21 03.8 q K20
2013-07-19 00:29:51 C 18 11 27.25 +11 21 15.0 q K20
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-06-27 05:19:00 201575257.47 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)