Event between (523717) 14KY101 and star GA0680:17169293 with event index number of 2618554
Geocentric closest approach at 2026/09/28 03:08:57 UTC
J2000 position of star is 17:43:41.3 -21:56:54
Equinox of date position of star is 17:45:09.6 -21:57:27
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 97% illuminated.
Apparent brightness V=22.3
[RECON map]
Object is 36.5 AU from the Sun
and 36.6 AU from the Earth.
Apparent velocity is 9.9
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 1170 seconds.
The 1-sigma cross-track error in the shadow position is
3160 km.
The sky-plane scale is
26552.3 km/arcsec.
The object has an absolute magnitude Hv=6.5
Diameter=316.2 km assuming a 5% albedo -- 30.6 sec chord
Diameter=129.1 km assuming a 30% albedo -- 12.5 sec chord
Dynamical classification is 3:2E
Star training set for 523717, (2026/09/28 03:09UT) Object RA Dec mag sep mel Antares 16:31:03.1 -26:29:20 0.9 17.50 134 35Eta Oph 17:11:54.8 -15:45:22 2.6 10.04 124 58 Oph 17:45:02.1 -21:41:37 4.9 0.27 117 PPM 267214 17:46:00.8 -22:12:17 6.9 0.30 117 PPM 267196 17:45:32.4 -22:06:20 9.6 0.16 117 523717 17:45:17.9 -21:57:30 16.9 116 Positions are for equinox of date
This table contains the target star visibility for the RECON
network. The observing range has been set to a maximum of
0.8 sigma about the mid-time.
The median site spacing is 21.8 km
RECON observability=0.4 and success probability=4.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 03:11:35 | -21.9 | Dark | Up | 7.0 | 219.6 | Really Low | 02:56:35 - 03:26:35 | -47 |
| Victoria | 03:10:05 | -12.3 | AT | Up | 16.0 | 204.2 | Really Low | 02:55:05 - 03:25:05 | -91 |
| Kamloops | 03:10:07 | -13.8 | AT | Up | 13.2 | 206.7 | Really Low | 02:55:07 - 03:25:07 | -93 |
| Peachland | 03:10:07 | -14.4 | AT | Up | 13.9 | 207.4 | Really Low | 02:55:07 - 03:25:07 | -179 |
| PNWRO | 03:10:48 | -16.0 | AT | Up | 16.9 | 208.8 | Really Low | 02:55:48 - 03:25:48 | -181 |
| Kelowna | 03:10:07 | -14.5 | AT | Up | 13.7 | 207.6 | Really Low | 02:55:07 - 03:25:07 | -192 |
| Summerland | 03:10:07 | -14.5 | AT | Up | 14.0 | 207.5 | Really Low | 02:55:07 - 03:25:07 | -193 |
| Penticton | 03:10:07 | -14.6 | AT | Up | 14.0 | 207.6 | Really Low | 02:55:07 - 03:25:07 | -203 |
| Oliver | 03:10:07 | -14.6 | AT | Up | 14.3 | 207.6 | Really Low | 02:55:07 - 03:25:07 | -222 |
| Anarchist Mountain Observatory | 03:10:07 | -14.8 | AT | Up | 14.4 | 207.8 | Really Low | 02:55:07 - 03:25:07 | -244 |
| Manson/Chelan | 03:10:07 | -14.6 | AT | Up | 15.7 | 207.2 | Really Low | 02:55:07 - 03:25:07 | -257 |
| Okanogan | 03:10:07 | -14.8 | AT | Up | 15.1 | 207.7 | Really Low | 02:55:07 - 03:25:07 | -266 |
| Brewster | 03:10:07 | -14.8 | AT | Up | 15.4 | 207.5 | Really Low | 02:55:07 - 03:25:07 | -268 |
| Wenatchee | 03:10:07 | -14.6 | AT | Up | 16.1 | 207.1 | Really Low | 02:55:07 - 03:25:07 | -273 |
| Ellensburg | 03:10:07 | -14.5 | AT | Up | 16.6 | 207.0 | Really Low | 02:55:07 - 03:25:07 | -283 |
| Yakima | 03:10:07 | -14.6 | AT | Up | 16.9 | 207.0 | Really Low | 02:55:07 - 03:25:07 | -306 |
| The Dalles | 03:10:07 | -14.4 | AT | Up | 18.0 | 206.6 | Really Low | 02:55:07 - 03:25:07 | -327 |
| Toppenish/White Swan | 03:10:07 | -14.8 | AT | Up | 17.1 | 207.2 | Really Low | 02:55:07 - 03:25:07 | -328 |
| Maupin | 03:10:07 | -14.5 | AT | Up | 18.4 | 206.8 | Really Low | 02:55:07 - 03:25:07 | -357 |
| Cedarville | 03:11:00 | -16.1 | AT | Up | 21.2 | 208.4 | Low | 02:56:00 - 03:26:00 | -365 |
| Sisters | 03:10:07 | -14.4 | AT | Up | 19.3 | 206.4 | Really Low | 02:55:07 - 03:25:07 | -380 |
| Fall River/Burney | 03:10:53 | -15.3 | AT | Up | 22.1 | 207.3 | Low | 02:55:53 - 03:25:53 | -386 |
| Bend | 03:10:07 | -14.6 | AT | Up | 19.4 | 206.7 | Really Low | 02:55:07 - 03:25:07 | -409 |
| Oregon Observatory | 03:10:07 | -14.6 | AT | Up | 19.6 | 206.6 | Really Low | 02:55:07 - 03:25:07 | -412 |
| Greenville | 03:11:00 | -15.8 | AT | Up | 22.7 | 208.0 | Low | 02:56:00 - 03:26:00 | -429 |
| Gimple | 03:11:01 | -15.9 | AT | Up | 22.7 | 208.0 | Low | 02:56:01 - 03:26:01 | -429 |
| Quincy | 03:11:01 | -15.9 | AT | Up | 22.9 | 208.0 | Low | 02:56:01 - 03:26:01 | -439 |
| Portola | 03:11:05 | -16.3 | AT | Up | 22.8 | 208.5 | Low | 02:56:05 - 03:26:05 | -445 |
| Reno | 03:11:12 | -16.8 | AT | Up | 22.8 | 209.2 | Low | 02:56:12 - 03:26:12 | -459 |
| Chiloquin | 03:10:07 | -14.5 | AT | Up | 21.0 | 206.5 | Low | 02:55:07 - 03:25:07 | -467 |
| Carson City | 03:11:14 | -16.9 | AT | Up | 23.1 | 209.3 | Low | 02:56:14 - 03:26:14 | -477 |
| Yerington | 03:11:20 | -17.5 | AT | Up | 23.0 | 209.9 | Low | 02:56:20 - 03:26:20 | -488 |
| Gardnerville | 03:11:15 | -17.0 | AT | Up | 23.3 | 209.4 | Low | 02:56:15 - 03:26:15 | -489 |
| Klamath Falls | 03:10:07 | -14.6 | AT | Up | 21.2 | 206.6 | Low | 02:55:07 - 03:25:07 | -493 |
| Hawthorne | 03:11:26 | -18.0 | AT | Up | 23.2 | 210.5 | Low | 02:56:26 - 03:26:26 | -512 |
| Dunrhomin | 03:12:56 | -27.7 | Dark | Up | 15.5 | 222.0 | Really Low | 02:57:56 - 03:27:56 | -513 |
| Nikitin | 03:12:57 | -27.7 | Dark | Up | 15.6 | 222.0 | Really Low | 02:57:57 - 03:27:57 | -522 |
| CU-SBO | 03:12:57 | -27.7 | Dark | Up | 15.7 | 222.0 | Really Low | 02:57:57 - 03:27:57 | -525 |
| Lee Vining | 03:11:25 | -17.7 | AT | Up | 23.9 | 210.2 | Low | 02:56:25 - 03:26:25 | -540 |
| Bishop | 03:11:33 | -18.4 | Dark | Up | 24.1 | 211.0 | Low | 02:56:33 - 03:26:33 | -573 |
| Beatty | 03:11:49 | -19.9 | Dark | Up | 23.8 | 212.7 | Low | 02:56:49 - 03:26:49 | -603 |
| Patrick | 03:12:19 | -22.6 | Dark | Up | 23.6 | 215.7 | Low | 02:57:19 - 03:27:19 | -698 |
| Laughlin/Bullhead City | 03:12:15 | -22.1 | Dark | Up | 24.2 | 215.1 | Low | 02:57:15 - 03:27:15 | -709 |
| Lake Havasu City | 03:12:20 | -22.4 | Dark | Up | 24.6 | 215.6 | Low | 02:57:20 - 03:27:20 | -749 |
| Wildwood | 03:11:46 | -19.0 | Dark | Up | 27.0 | 211.7 | Low | 02:56:46 - 03:26:46 | -755 |
| Idyllwild | 03:12:04 | -20.6 | Dark | Up | 26.4 | 213.6 | Low | 02:57:04 - 03:27:04 | -781 |
| George/Scottsdale | 03:12:44 | -24.7 | Dark | Up | 24.0 | 218.0 | Low | 02:57:44 - 03:27:44 | -810 |
| Calipatria | 03:12:16 | -21.8 | Dark | Up | 26.3 | 214.9 | Low | 02:57:16 - 03:27:16 | -824 |
| Yuma | 03:12:26 | -22.6 | Dark | Up | 26.2 | 215.8 | Low | 02:57:26 - 03:27:26 | -854 |
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 523717, (2026/09/28 03:09UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.50 134 35Eta Oph 17:10:22.7 -15:43:29 2.6 10.04 124 58 Oph 17:43:25.7 -21:41:00 4.9 0.27 117 PPM 267214 17:44:24.0 -22:11:42 6.9 0.30 117 PPM 267196 17:43:55.6 -22:05:45 9.6 0.16 117 523717 17:43:41.3 -21:56:54 16.9 117 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:32:53 UT
Marc W. Buie, Southwest Research Institute