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
2013-01-26 01:44:32 C 03 52 36.35 +12 10 00.2 u H21
2013-01-26 01:50:03 C 03 52 36.17 +12 09 53.6 u H21
2013-02-10 18:59:09 C 03 48 09.42 +05 26 38.3 t 130
2013-02-10 19:02:02 C 03 48 09.44 +05 26 36.0 t 130
2013-02-10 19:05:05 C 03 48 09.48 +05 26 33.2 t 130
2013-02-10 19:08:30 C 03 48 09.47 +05 26 29.5 t 130
2013-06-17 09:31:13 C 20 25 13.99 -19 38 44.0 o H06
2013-06-17 09:34:25 C 20 25 11.80 -19 38 14.8 o H06
2013-06-17 09:38:34 C 20 25 08.96 -19 37 37.7 o H06
2013-06-17 23:26:04 C 20 16 23.51 -17 36 37.5 11.9 u 089
2013-06-17 23:28:05 C 20 16 22.27 -17 36 20.4 12.1 u 089
2013-06-17 23:30:06 C 20 16 21.00 -17 36 03.1 12.0 u 089
2013-06-17 23:32:07 C 20 16 19.74 -17 35 45.6 12.0 u 089
2013-06-17 23:34:08 C 20 16 18.47 -17 35 28.5 12.0 u 089
2013-06-17 23:36:09 C 20 16 17.22 -17 35 11.3 11.9 u 089
2013-06-17 23:38:10 C 20 16 15.94 -17 34 54.3 12.1 u 089
2013-06-17 23:40:11 C 20 16 14.69 -17 34 37.0 12.0 u 089
2013-06-17 23:42:12 C 20 16 13.44 -17 34 19.6 12.2 u 089
2013-06-17 23:44:13 C 20 16 12.17 -17 34 02.6 12.0 u 089
2013-06-21 08:46:40 C 19 36 32.60 -07 47 00.4 u H21
2013-06-21 08:49:16 C 19 36 31.55 -07 46 44.7 u H21
2013-06-21 08:51:52 C 19 36 30.51 -07 46 29.3 u H21
2013-06-21 08:54:44 C 19 36 29.36 -07 46 12.1 u H21
2013-06-21 08:58:52 C 19 36 27.70 -07 45 47.5 u H21
2013-06-21 09:01:12 C 19 36 26.77 -07 45 33.5 u H21
2013-06-28 06:55:16 C 18 52 14.62 +03 23 00.5 u H21
2013-06-28 07:02:47 C 18 52 13.20 +03 23 19.9 u H21
2013-06-28 07:09:29 C 18 52 11.93 +03 23 37.2 u H21
2013-06-28 07:15:46 C 18 52 10.74 +03 23 53.4 u H21
2013-06-28 07:18:16 C 18 52 10.27 +03 23 59.9 u H21
2013-06-28 07:26:38 C 18 52 08.69 +03 24 21.4 u H21
2013-06-29 22:04:59 C 18 45 43.92 +04 55 03.9 q B92
2013-06-29 22:17:24 C 18 45 41.96 +04 55 30.2 q B92
2013-06-29 22:30:20 C 18 45 39.84 +04 55 58.2 q B92
2013-06-29 22:42:55 C 18 45 37.81 +04 56 24.9 q B92
2013-06-29 22:52:07 C 18 45 36.42 +04 56 46.2 r 006
2013-06-29 22:55:31 C 18 45 35.78 +04 56 52.0 q B92
2013-06-29 23:00:43 C 18 45 35.00 +04 57 03.8 r 006
2013-06-29 23:07:10 C 18 45 34.00 +04 57 18.2 r 006
2013-06-29 23:09:10 C 18 45 33.60 +04 57 20.9 q B92
2013-06-29 23:21:35 C 18 45 31.59 +04 57 47.4 q B92
2013-06-29 23:34:08 C 18 45 29.57 +04 58 14.0 q B92
2013-06-29 23:46:38 C 18 45 27.53 +04 58 40.9 q B92
2013-06-30 00:12:10 C 18 45 23.45 +04 59 34.5 q B92
2013-06-30 00:24:40 C 18 45 21.44 +05 00 01.1 q B92
2013-06-30 00:37:15 C 18 45 19.44 +05 00 27.6 q B92
2013-06-30 00:49:50 C 18 45 17.43 +05 00 54.1 q B92
2013-06-30 01:02:26 C 18 45 15.41 +05 01 20.6 q B92
2013-06-30 01:13:50 C 18 45 13.60 +05 01 44.6 q B92
2013-06-30 23:22:11 C 18 42 00.21 +05 45 54.1 q 203
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)