Event between 14WE510 and star GA1100:01939760 with event index number of 2570982
Geocentric closest approach at 2025/12/19 13:06:48 UTC
J2000 position of star is 06:19:50.2 +20:53:00
Equinox of date position of star is 06:21:12.0 +20:52:19
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 165 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 28.3 AU from the Sun
and 27.3 AU from the Earth.
The TNO is moving 24.6
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 168 seconds.
The 1-sigma cross-track error in the shadow position is
2251 km.
The sky-plane scale is
19782.7 km/arcsec.
The TNO has an absolute magnitude Hv=7.8
Diameter=160.7 km assuming a 5% albedo -- 6.7 sec chord
Diameter=65.6 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 3:2E
Star training set for 14WE510, (2025/12/19 13:07UT) Object RA Dec mag sep mel Betelgeuse 05:56:34.7 +07:24:35 0.4 14.74 158 Alhena 06:39:12.7 +16:22:30 1.9 6.17 159 16 Gem 06:29:29.4 +20:28:41 6.1 1.94 164 PPM 122302 06:21:44.4 +19:51:39 8.5 1.01 165 PPM 095807 06:22:05.2 +21:04:38 9.0 0.26 165 14WE510 06:21:23.2 +20:52:13 15.9 165 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 17.8 km
RECON observability=1.0 and success probability=11.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 13:04:38 | -17.7 | AT | Down | 20.2 | 278.4 | Low | 12:50:06 - 13:19:09 | 4223 |
| Kamloops | 13:04:41 | -26.3 | Dark | Down | 29.1 | 268.0 | Low | 12:50:09 - 13:19:12 | 3761 |
| Kelowna | 13:04:36 | -25.7 | Dark | Down | 28.5 | 269.1 | Low | 12:50:05 - 13:19:08 | 3732 |
| Peachland | 13:04:36 | -25.8 | Dark | Down | 28.7 | 269.0 | Low | 12:50:05 - 13:19:08 | 3717 |
| Summerland | 13:04:36 | -25.8 | Dark | Down | 28.7 | 269.1 | Low | 12:50:04 - 13:19:07 | 3710 |
| Penticton | 13:04:35 | -25.7 | Dark | Down | 28.6 | 269.2 | Low | 12:50:04 - 13:19:07 | 3708 |
| Oliver | 13:04:34 | -25.7 | Dark | Down | 28.6 | 269.4 | Low | 12:50:03 - 13:19:06 | 3685 |
| Anarchist Mountain Observatory | 13:04:33 | -25.5 | Dark | Down | 28.5 | 269.7 | Low | 12:50:02 - 13:19:05 | 3679 |
| Okanogan | 13:04:31 | -25.6 | Dark | Down | 28.6 | 269.8 | Low | 12:50:00 - 13:19:03 | 3629 |
| Brewster | 13:04:30 | -25.7 | Dark | Down | 28.8 | 269.8 | Low | 12:49:59 - 13:19:02 | 3605 |
| Manson/Chelan | 13:04:30 | -25.9 | Dark | Down | 29.0 | 269.7 | Low | 12:49:58 - 13:19:01 | 3581 |
| Wenatchee | 13:04:29 | -26.0 | Dark | Down | 29.1 | 269.8 | Low | 12:49:57 - 13:19:00 | 3543 |
| Victoria | 13:04:36 | -28.1 | Dark | Down | 31.1 | 266.9 | Up | 12:50:04 - 13:19:07 | 3532 |
| Ellensburg | 13:04:27 | -26.1 | Dark | Down | 29.3 | 269.9 | Low | 12:49:55 - 13:18:58 | 3508 |
| Dunrhomin | 13:03:55 | -13.8 | AT | Down | 17.6 | 282.8 | Really Low | 12:49:23 - 13:18:26 | 3500 |
| PNWRO | 13:04:22 | -24.8 | Dark | Down | 28.1 | 271.6 | Low | 12:49:51 - 13:18:54 | 3487 |
| CU-SBO | 13:03:54 | -13.8 | AT | Down | 17.6 | 282.8 | Really Low | 12:49:23 - 13:18:26 | 3479 |
| Yakima | 13:04:26 | -26.0 | Dark | Down | 29.3 | 270.1 | Low | 12:49:54 - 13:18:57 | 3479 |
| Toppenish/White Swan | 13:04:25 | -25.9 | Dark | Down | 29.2 | 270.3 | Low | 12:49:53 - 13:18:56 | 3469 |
| The Dalles | 13:04:23 | -26.3 | Dark | Down | 29.7 | 270.2 | Low | 12:49:52 - 13:18:55 | 3390 |
| Maupin | 13:04:21 | -26.2 | Dark | Down | 29.7 | 270.5 | Low | 12:49:50 - 13:18:53 | 3363 |
| Sisters | 13:04:19 | -26.4 | Dark | Down | 30.0 | 270.7 | Up | 12:49:47 - 13:18:50 | 3284 |
| Bend | 13:04:18 | -26.2 | Dark | Down | 29.8 | 271.0 | Low | 12:49:46 - 13:18:49 | 3274 |
| Oregon Observatory | 13:04:17 | -26.3 | Dark | Down | 29.9 | 271.0 | Low | 12:49:46 - 13:18:49 | 3257 |
| Chiloquin | 13:04:13 | -26.4 | Dark | Down | 30.2 | 271.4 | Up | 12:49:42 - 13:18:45 | 3146 |
| Klamath Falls | 13:04:13 | -26.3 | Dark | Down | 30.1 | 271.7 | Up | 12:49:41 - 13:18:44 | 3122 |
| Cedarville | 13:04:08 | -25.0 | Dark | Down | 28.9 | 273.1 | Low | 12:49:37 - 13:18:40 | 3120 |
| Fall River/Burney | 13:04:08 | -25.9 | Dark | Down | 29.8 | 272.6 | Low | 12:49:36 - 13:18:39 | 3043 |
| Gimple | 13:04:05 | -25.3 | Dark | Down | 29.4 | 273.5 | Low | 12:49:33 - 13:18:36 | 2989 |
| Greenville | 13:04:04 | -25.4 | Dark | Down | 29.5 | 273.4 | Low | 12:49:33 - 13:18:36 | 2987 |
| Reno | 13:04:02 | -24.4 | Dark | Down | 28.6 | 274.4 | Low | 12:49:30 - 13:18:33 | 2977 |
| Portola | 13:04:03 | -25.0 | Dark | Down | 29.1 | 273.9 | Low | 12:49:31 - 13:18:34 | 2977 |
| Quincy | 13:04:04 | -25.4 | Dark | Down | 29.4 | 273.5 | Low | 12:49:32 - 13:18:35 | 2971 |
| Yerington | 13:03:59 | -23.8 | Dark | Down | 28.0 | 275.1 | Low | 12:49:27 - 13:18:30 | 2955 |
| Carson City | 13:04:00 | -24.4 | Dark | Down | 28.5 | 274.6 | Low | 12:49:29 - 13:18:32 | 2949 |
| Hawthorne | 13:03:57 | -23.3 | Dark | Down | 27.6 | 275.7 | Low | 12:49:26 - 13:18:29 | 2935 |
| Gardnerville | 13:03:59 | -24.3 | Dark | Down | 28.5 | 274.8 | Low | 12:49:28 - 13:18:31 | 2932 |
| Lee Vining | 13:03:56 | -23.6 | Dark | Down | 27.9 | 275.7 | Low | 12:49:24 - 13:18:27 | 2874 |
| Beatty | 13:03:50 | -21.6 | Dark | Down | 25.9 | 277.5 | Low | 12:49:19 - 13:18:22 | 2868 |
| Bishop | 13:03:53 | -22.9 | Dark | Down | 27.3 | 276.4 | Low | 12:49:22 - 13:18:25 | 2850 |
| Patrick | 13:03:43 | -18.9 | Dark | Down | 23.4 | 279.7 | Low | 12:49:12 - 13:18:15 | 2847 |
| Laughlin/Bullhead City | 13:03:44 | -19.4 | Dark | Down | 23.9 | 279.5 | Low | 12:49:12 - 13:18:15 | 2802 |
| George/Scottsdale | 13:03:37 | -16.9 | AT | Down | 21.5 | 281.4 | Low | 12:49:05 - 13:18:08 | 2778 |
| Lake Havasu City | 13:03:41 | -19.1 | Dark | Down | 23.6 | 279.9 | Low | 12:49:10 - 13:18:13 | 2756 |
| Idyllwild | 13:03:40 | -20.8 | Dark | Down | 25.5 | 279.0 | Low | 12:49:09 - 13:18:12 | 2610 |
| Calipatria | 13:03:38 | -19.7 | Dark | Down | 24.4 | 279.9 | Low | 12:49:06 - 13:18:09 | 2600 |
| Yuma | 13:03:36 | -18.8 | Dark | Down | 23.6 | 280.5 | Low | 12:49:05 - 13:18:08 | 2596 |
| Wildwood | 13:03:44 | -22.4 | Dark | Down | 27.1 | 277.9 | Low | 12:49:12 - 13:18:15 | 2574 |
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 14WE510, (2025/12/19 13:07UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 14.74 158 Alhena 06:37:42.8 +16:23:56 1.9 6.17 159 16 Gem 06:27:56.7 +20:29:46 6.1 1.94 164 PPM 122302 06:20:12.1 +19:52:27 8.5 1.01 165 PPM 095807 06:20:32.1 +21:05:26 9.0 0.26 165 14WE510 06:19:50.2 +20:53:00 15.9 165 Positions are for J2000
Event circumstances last updated at 2022/10/30 02:04:01 UT
Marc W. Buie, Southwest Research Institute