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
2022-11-19 04:42:16 C 07 44 09.49 +26 03 57.0 V J43
2022-11-20 14:17:40 C 07 44 54.362 +25 39 31.46 V T08
2022-11-20 14:21:40 C 07 44 54.374 +25 39 28.22 V T08
2022-11-20 14:29:04 C 07 44 54.528 +25 39 23.00 V T08
2022-11-20 15:09:56 C 07 44 55.308 +25 38 52.58 V T08
2022-11-21 14:13:27 C 07 45 23.542 +25 21 25.31 V T08
2022-11-21 14:18:13 C 07 45 23.616 +25 21 22.36 V T08
2022-11-21 15:09:02 C 07 45 24.470 +25 20 42.04 V T08
2022-11-21 15:23:40 C 07 45 24.754 +25 20 31.96 V T08
2022-11-24 08:10:12 C 07 46 32.509 +24 28 25.75 V 703
2022-11-24 08:17:44 C 07 46 32.567 +24 28 19.67 V 703
2022-11-24 08:25:15 C 07 46 32.689 +24 28 12.97 V 703
2022-11-24 08:32:47 C 07 46 32.747 +24 28 06.38 V 703
2022-11-24 12:22:57 C 07 46 36.041 +24 24 54.76 V T08
2022-11-24 12:26:57 C 07 46 36.149 +24 24 51.66 V T08
2022-11-24 12:35:39 C 07 46 36.214 +24 24 44.78 V T08
2022-11-24 12:44:49 C 07 46 36.288 +24 24 36.79 V T08
2022-11-25 12:19:36 C 07 46 55.793 +24 04 21.76 V T08
2022-11-25 12:26:59 C 07 46 55.853 +24 04 15.42 V T08
2022-11-25 12:28:18 C 07 46 55.949 +24 04 14.12 V T08
2022-11-25 12:30:58 C 07 46 55.992 +24 04 11.64 V T08
2022-11-25 12:34:57 C 07 46 56.011 +24 04 08.58 V T08
2022-11-25 12:42:16 C 07 46 56.074 +24 04 02.39 V T08
2022-11-27 07:29:29 C 07 47 25.134 +23 25 29.06 V 703
2022-11-27 07:37:09 C 07 47 25.192 +23 25 21.86 V 703
2022-11-27 07:44:51 C 07 47 25.300 +23 25 14.27 V 703
2022-11-28 09:37:24 C 07 47 38.184 +23 00 47.09 V G96
2022-11-28 09:44:56 C 07 47 38.220 +23 00 41.11 V G96
2022-11-28 09:52:28 C 07 47 38.252 +23 00 33.91 V G96
2022-11-28 10:00:00 C 07 47 38.288 +23 00 26.64 V G96
2022-11-30 07:44:24 C 07 47 53.743 +22 14 52.30 V 703
2022-11-30 07:52:02 C 07 47 53.740 +22 14 44.52 V 703
2022-11-30 07:59:37 C 07 47 53.776 +22 14 36.20 V 703
2022-11-30 08:07:13 C 07 47 53.758 +22 14 29.18 V 703
2022-12-01 12:26:46 C 07 47 57.578 +21 44 44.09 V T05
2022-12-01 12:29:23 C 07 47 57.614 +21 44 40.78 V T05
2022-12-01 12:33:20 C 07 47 57.581 +21 44 36.60 V T05
2022-12-01 12:41:09 C 07 47 57.569 +21 44 28.61 V T05
2022-12-03 21:55:18 B 07 47 51.935 +20 40 08.59 W N86
2022-12-03 22:06:51 B 07 47 51.856 +20 39 55.21 W N86
2022-12-03 22:18:18 B 07 47 51.800 +20 39 41.11 W N86
2022-12-05 01:21:03 C 07 47 43.11 +20 07 17.2 X C95
2022-12-05 01:28:52 C 07 47 43.03 +20 07 07.7 X C95
2022-12-05 01:35:49 C 07 47 42.98 +20 06 59.4 X C95
2022-12-05 19:07:25 C 07 47 34.56 +19 45 16.9 V D29
2022-12-05 19:27:46 C 07 47 34.33 +19 44 51.3 V D29
2022-12-05 19:48:08 C 07 47 34.07 +19 44 26.0 V D29
2022-12-14 07:55:43 C 07 43 27.264 +14 40 20.53 V W68
2022-12-14 08:01:36 C 07 43 27.058 +14 40 10.27 V W68
2022-12-14 08:06:10 C 07 43 26.885 +14 40 02.32 V W68
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)