Event between (471325) 11KT19 and star GA1100:03722873 with event index number of 2381429
Geocentric closest approach at 2025/04/24 05:08:26 UTC
J2000 position of star is 15:44:01.1 +21:14:29
Equinox of date position of star is 15:45:05.8 +21:09:56
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 18% illuminated.
Apparent brightness V=22.2
[RECON map]
Object is 29.8 AU from the Sun
and 29.1 AU from the Earth.
Apparent velocity is 32.7
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 36 seconds.
The 1-sigma cross-track error in the shadow position is
1383 km.
The sky-plane scale is
21084.9 km/arcsec.
The object has an absolute magnitude Hv=7.4
Diameter=193.2 km assuming a 5% albedo -- 6.0 sec chord
Diameter=78.9 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 471325, (2025/04/24 05:08UT) Object RA Dec mag sep mel Arcturus 14:16:49.3 +19:03:13 0.0 20.82 132 Alphekka 15:35:45.6 +26:37:51 2.2 5.87 113 21Iot Ser 15:42:40.9 +19:35:25 4.6 1.67 112 PPM 104289 15:46:02.7 +21:22:01 8.0 0.29 111 PPM 104284 15:45:47.8 +21:09:30 9.7 0.15 111 471325 15:45:08.1 +21:09:46 15.0 111 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
5.0 sigma about the mid-time.
The median site spacing is 38.3 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 05:10:48 | -20.7 | Dark | Down | 39.8 | 107.6 | Up | 05:07:19 - 05:14:18 | 6754 |
| Kamloops | 05:11:07 | -16.6 | AT | Down | 31.3 | 94.2 | Up | 05:07:38 - 05:14:37 | 6573 |
| Kelowna | 05:11:07 | -17.5 | AT | Down | 31.9 | 94.4 | Up | 05:07:38 - 05:14:37 | 6481 |
| Peachland | 05:11:07 | -17.5 | AT | Down | 31.8 | 94.1 | Up | 05:07:37 - 05:14:36 | 6470 |
| Summerland | 05:11:07 | -17.6 | AT | Down | 31.8 | 94.1 | Up | 05:07:38 - 05:14:37 | 6453 |
| Penticton | 05:11:07 | -17.7 | AT | Down | 31.9 | 94.1 | Up | 05:07:38 - 05:14:37 | 6446 |
| Oliver | 05:11:07 | -18.0 | AT | Down | 31.9 | 93.9 | Up | 05:07:38 - 05:14:37 | 6407 |
| Anarchist Mountain Observatory | 05:11:07 | -18.2 | Dark | Down | 32.1 | 94.0 | Up | 05:07:37 - 05:14:36 | 6388 |
| Victoria | 05:11:13 | -16.7 | AT | Down | 29.4 | 90.6 | Low | 05:07:43 - 05:14:42 | 6352 |
| Okanogan | 05:11:08 | -18.6 | Dark | Down | 32.0 | 93.4 | Up | 05:07:39 - 05:14:38 | 6318 |
| Brewster | 05:11:08 | -18.7 | Dark | Down | 31.8 | 93.1 | Up | 05:07:39 - 05:14:38 | 6289 |
| Manson/Chelan | 05:11:09 | -18.7 | Dark | Down | 31.6 | 92.7 | Up | 05:07:39 - 05:14:38 | 6267 |
| Wenatchee | 05:11:10 | -18.9 | Dark | Down | 31.5 | 92.2 | Up | 05:07:40 - 05:14:39 | 6215 |
| Ellensburg | 05:11:10 | -19.1 | Dark | Down | 31.4 | 91.8 | Up | 05:07:41 - 05:14:40 | 6171 |
| Yakima | 05:11:10 | -19.4 | Dark | Down | 31.4 | 91.6 | Up | 05:07:41 - 05:14:40 | 6126 |
| Toppenish/White Swan | 05:11:10 | -19.7 | Dark | Down | 31.5 | 91.6 | Up | 05:07:40 - 05:14:39 | 6101 |
| PNWRO | 05:11:09 | -20.6 | Dark | Down | 32.6 | 92.4 | Up | 05:07:39 - 05:14:38 | 6056 |
| The Dalles | 05:11:11 | -19.8 | Dark | Down | 31.0 | 90.5 | Up | 05:07:41 - 05:14:40 | 6019 |
| Maupin | 05:11:11 | -20.2 | Dark | Down | 31.1 | 90.3 | Up | 05:07:41 - 05:14:40 | 5972 |
| Sisters | 05:11:12 | -20.6 | Dark | Down | 30.7 | 89.5 | Up | 05:07:43 - 05:14:42 | 5878 |
| Bend | 05:11:12 | -20.9 | Dark | Down | 30.9 | 89.5 | Up | 05:07:42 - 05:14:41 | 5850 |
| Oregon Observatory | 05:11:13 | -20.9 | Dark | Down | 30.8 | 89.3 | Up | 05:07:43 - 05:14:42 | 5832 |
| Chiloquin | 05:11:13 | -21.6 | Dark | Down | 30.5 | 88.3 | Up | 05:07:44 - 05:14:43 | 5688 |
| Klamath Falls | 05:11:13 | -21.9 | Dark | Down | 30.5 | 88.1 | Up | 05:07:44 - 05:14:43 | 5650 |
| Cedarville | 05:11:11 | -23.2 | Dark | Down | 31.7 | 88.7 | Up | 05:07:42 - 05:14:41 | 5565 |
| Fall River/Burney | 05:11:13 | -22.9 | Dark | Down | 30.8 | 87.7 | Up | 05:07:44 - 05:14:43 | 5517 |
| Dunrhomin | 05:10:48 | -31.2 | Dark | Down | 43.0 | 98.1 | Up | 05:07:19 - 05:14:18 | 5467 |
| Nikitin | 05:10:48 | -31.3 | Dark | Down | 43.0 | 97.9 | Up | 05:07:19 - 05:14:18 | 5446 |
| CU-SBO | 05:10:47 | -31.4 | Dark | Down | 43.0 | 97.8 | Up | 05:07:18 - 05:14:17 | 5439 |
| Greenville | 05:11:12 | -23.8 | Dark | Down | 31.1 | 87.4 | Up | 05:07:43 - 05:14:42 | 5414 |
| Gimple | 05:11:12 | -23.8 | Dark | Down | 31.1 | 87.4 | Up | 05:07:43 - 05:14:42 | 5414 |
| Quincy | 05:11:13 | -23.9 | Dark | Down | 31.0 | 87.3 | Up | 05:07:43 - 05:14:42 | 5392 |
| Portola | 05:11:12 | -24.3 | Dark | Down | 31.4 | 87.5 | Up | 05:07:42 - 05:14:41 | 5376 |
| Reno | 05:11:11 | -24.8 | Dark | Down | 31.9 | 87.7 | Up | 05:07:41 - 05:14:40 | 5343 |
| Carson City | 05:11:11 | -25.1 | Dark | Down | 31.9 | 87.5 | Up | 05:07:42 - 05:14:41 | 5303 |
| Yerington | 05:11:10 | -25.6 | Dark | Down | 32.4 | 87.8 | Up | 05:07:41 - 05:14:40 | 5280 |
| Gardnerville | 05:11:11 | -25.3 | Dark | Down | 31.9 | 87.4 | Up | 05:07:41 - 05:14:40 | 5276 |
| Hawthorne | 05:11:10 | -26.2 | Dark | Down | 32.8 | 87.8 | Up | 05:07:40 - 05:14:39 | 5227 |
| Lee Vining | 05:11:10 | -26.3 | Dark | Down | 32.4 | 87.2 | Up | 05:07:41 - 05:14:40 | 5165 |
| Bishop | 05:11:09 | -27.1 | Dark | Down | 32.9 | 87.2 | Up | 05:07:40 - 05:14:39 | 5097 |
| Beatty | 05:11:07 | -28.4 | Dark | Down | 34.2 | 87.8 | Up | 05:07:37 - 05:14:36 | 5043 |
| Patrick | 05:11:02 | -31.0 | Dark | Down | 36.5 | 88.4 | Up | 05:07:33 - 05:14:32 | 4879 |
| Laughlin/Bullhead City | 05:11:03 | -30.8 | Dark | Down | 35.9 | 87.9 | Up | 05:07:33 - 05:14:32 | 4851 |
| Lake Havasu City | 05:11:02 | -31.5 | Dark | Down | 36.0 | 87.5 | Up | 05:07:33 - 05:14:32 | 4777 |
| Wildwood | 05:11:09 | -29.3 | Dark | Down | 32.5 | 85.0 | Up | 05:07:39 - 05:14:38 | 4736 |
| George/Scottsdale | 05:10:58 | -33.4 | Dark | Down | 38.0 | 88.2 | Up | 05:07:28 - 05:14:27 | 4698 |
| Idyllwild | 05:11:06 | -30.7 | Dark | Down | 34.0 | 85.7 | Up | 05:07:37 - 05:14:36 | 4692 |
| Calipatria | 05:11:03 | -31.8 | Dark | Down | 35.0 | 85.9 | Up | 05:07:33 - 05:14:32 | 4625 |
| Yuma | 05:11:01 | -32.6 | Dark | Down | 35.7 | 86.0 | Up | 05:07:32 - 05:14:31 | 4578 |
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 471325, (2025/04/24 05:08UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 20.82 132 Alphekka 15:34:41.5 +26:42:51 2.2 5.87 113 21Iot Ser 15:41:33.0 +19:40:13 4.6 1.67 112 PPM 104289 15:44:55.9 +21:26:42 8.0 0.29 111 PPM 104284 15:44:40.9 +21:14:11 9.7 0.15 111 471325 15:44:01.1 +21:14:29 15.0 111 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:45:49 UT
Marc W. Buie, Southwest Research Institute