Event between 14SC374 and star GA0780:00293198 with event index number of 2516720
Geocentric closest approach at 2025/10/10 08:56:53 UTC
J2000 position of star is 03:46:33.9 -10:02:55
Equinox of date position of star is 03:47:38.0 -09:58:50
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 36 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 33.0 AU from the Sun
and 32.2 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is
4509 km.
The sky-plane scale is
23381.0 km/arcsec.
The TNO has an absolute magnitude Hv=8.1
Diameter=145.9 km assuming a 5% albedo -- 6.5 sec chord
Diameter=59.6 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 1:1
Star training set for 14SC374, (2025/10/10 08:57UT) Object RA Dec mag sep mel Rigel 05:15:46.7 -08:10:26 0.1 21.79 39 Menkar 03:03:37.8 +04:11:22 2.5 17.93 25 PPM 213312 03:44:47.8 -10:24:21 5.6 0.86 36 PPM 186164 03:47:27.5 -09:48:14 7.1 0.19 36 14SC374 03:47:48.0 -09:58:12 15.4 36 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
3.7 sigma about the mid-time.
The median site spacing is 10.5 km
RECON observability=1.0 and success probability=5.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 08:55:27 | -46.7 | Dark | Up | 26.8 | 150.0 | Low | 08:40:27 - 09:10:27 | 5009 |
| Kamloops | 08:55:14 | -44.0 | Dark | Up | 25.8 | 153.6 | Low | 08:40:14 - 09:10:14 | 4941 |
| Peachland | 08:55:14 | -44.7 | Dark | Up | 26.8 | 154.0 | Low | 08:40:14 - 09:10:14 | 4898 |
| Summerland | 08:55:15 | -44.8 | Dark | Up | 27.0 | 154.1 | Low | 08:40:15 - 09:10:15 | 4891 |
| Kelowna | 08:55:14 | -44.5 | Dark | Up | 26.8 | 154.4 | Low | 08:40:14 - 09:10:14 | 4889 |
| Penticton | 08:55:15 | -44.8 | Dark | Up | 27.0 | 154.2 | Low | 08:40:15 - 09:10:15 | 4885 |
| Oliver | 08:55:16 | -45.1 | Dark | Up | 27.4 | 154.1 | Low | 08:40:16 - 09:10:16 | 4877 |
| Manson/Chelan | 08:55:21 | -46.5 | Dark | Up | 28.4 | 153.2 | Low | 08:40:21 - 09:10:21 | 4869 |
| Anarchist Mountain Observatory | 08:55:15 | -45.2 | Dark | Up | 27.6 | 154.3 | Low | 08:40:15 - 09:10:15 | 4866 |
| Wenatchee | 08:55:22 | -46.9 | Dark | Up | 28.7 | 152.9 | Low | 08:40:22 - 09:10:22 | 4864 |
| Ellensburg | 08:55:25 | -47.4 | Dark | Up | 29.0 | 152.6 | Low | 08:40:25 - 09:10:25 | 4862 |
| Tonasket | 08:55:17 | -45.5 | Dark | Up | 27.8 | 154.2 | Low | 08:40:17 - 09:10:17 | 4861 |
| Brewster | 08:55:19 | -46.2 | Dark | Up | 28.3 | 153.7 | Low | 08:40:19 - 09:10:19 | 4860 |
| Okanogan | 08:55:18 | -45.9 | Dark | Up | 28.1 | 153.9 | Low | 08:40:18 - 09:10:18 | 4859 |
| Yakima | 08:55:26 | -47.7 | Dark | Up | 29.4 | 152.5 | Low | 08:40:26 - 09:10:26 | 4852 |
| The Dalles | 08:55:30 | -48.8 | Dark | Up | 30.1 | 151.6 | Up | 08:40:30 - 09:10:30 | 4850 |
| Goldendale | 08:55:29 | -48.5 | Dark | Up | 30.0 | 152.0 | Low | 08:40:29 - 09:10:29 | 4841 |
| Toppenish/White Swan | 08:55:26 | -47.9 | Dark | Up | 29.6 | 152.6 | Low | 08:40:26 - 09:10:26 | 4839 |
| Maupin | 08:55:31 | -49.2 | Dark | Up | 30.5 | 151.6 | Up | 08:40:31 - 09:10:31 | 4833 |
| Sisters | 08:55:35 | -50.1 | Dark | Up | 31.1 | 150.8 | Up | 08:40:35 - 09:10:35 | 4829 |
| Oregon Observatory | 08:55:36 | -50.4 | Dark | Up | 31.5 | 150.8 | Up | 08:40:36 - 09:10:36 | 4811 |
| Bend | 08:55:36 | -50.2 | Dark | Up | 31.4 | 151.0 | Up | 08:40:36 - 09:10:36 | 4811 |
| Chiloquin | 08:55:41 | -51.8 | Dark | Up | 32.5 | 150.0 | Up | 08:40:41 - 09:10:41 | 4787 |
| Klamath Falls | 08:55:42 | -52.0 | Dark | Up | 32.8 | 150.0 | Up | 08:40:42 - 09:10:42 | 4772 |
| North Lake | 08:55:37 | -50.8 | Dark | Up | 32.2 | 151.2 | Up | 08:40:37 - 09:10:37 | 4768 |
| PNWRO | 08:55:23 | -47.8 | Dark | Up | 30.4 | 154.1 | Up | 08:40:23 - 09:10:23 | 4767 |
| Fall River/Burney | 08:55:45 | -53.0 | Dark | Up | 34.0 | 150.0 | Up | 08:40:45 - 09:10:45 | 4716 |
| Lakeview | 08:55:38 | -51.6 | Dark | Up | 33.4 | 151.5 | Up | 08:40:38 - 09:10:38 | 4710 |
| Cedarville | 08:55:40 | -52.1 | Dark | Up | 34.0 | 151.5 | Up | 08:40:40 - 09:10:40 | 4679 |
| Greenville | 08:55:46 | -53.6 | Dark | Up | 35.0 | 150.2 | Up | 08:40:46 - 09:10:46 | 4663 |
| Susanville | 08:55:45 | -53.3 | Dark | Up | 34.8 | 150.6 | Up | 08:40:45 - 09:10:45 | 4660 |
| Gimple | 08:55:46 | -53.6 | Dark | Up | 35.0 | 150.3 | Up | 08:40:46 - 09:10:46 | 4660 |
| Quincy | 08:55:47 | -53.8 | Dark | Up | 35.1 | 150.1 | Up | 08:40:47 - 09:10:47 | 4656 |
| Portola | 08:55:46 | -53.7 | Dark | Up | 35.4 | 150.6 | Up | 08:40:46 - 09:10:46 | 4630 |
| Reno | 08:55:45 | -53.7 | Dark | Up | 35.9 | 151.3 | Up | 08:40:45 - 09:10:45 | 4590 |
| Carson City | 08:55:46 | -54.0 | Dark | Up | 36.2 | 151.2 | Up | 08:40:46 - 09:10:46 | 4575 |
| Gardnerville | 08:55:47 | -54.2 | Dark | Up | 36.4 | 151.1 | Up | 08:40:47 - 09:10:47 | 4564 |
| Yerington | 08:55:45 | -53.9 | Dark | Up | 36.6 | 151.8 | Up | 08:40:45 - 09:10:45 | 4538 |
| Lee Vining | 08:55:48 | -54.8 | Dark | Up | 37.5 | 151.5 | Up | 08:40:48 - 09:10:48 | 4496 |
| Hawthorne | 08:55:45 | -54.1 | Dark | Up | 37.2 | 152.3 | Up | 08:40:45 - 09:10:45 | 4495 |
| Bishop | 08:55:47 | -55.0 | Dark | Up | 38.3 | 152.1 | Up | 08:40:47 - 09:10:47 | 4436 |
| Tonopah | 08:55:42 | -53.9 | Dark | Up | 38.1 | 153.7 | Up | 08:40:42 - 09:10:42 | 4409 |
| Sleaford | 08:54:36 | -38.1 | Dark | Up | 27.3 | 169.2 | Low | 08:39:36 - 09:09:36 | 4406 |
| Beatty | 08:55:44 | -54.6 | Dark | Up | 39.3 | 153.9 | Up | 08:40:44 - 09:10:44 | 4336 |
| Wildwood | 08:55:58 | -57.7 | Dark | Up | 41.2 | 150.6 | Up | 08:40:58 - 09:10:58 | 4298 |
| Indian Springs | 08:55:42 | -54.3 | Dark | Up | 40.0 | 155.0 | Up | 08:40:42 - 09:10:42 | 4268 |
| Henderson | 08:55:41 | -54.4 | Dark | Up | 40.7 | 155.7 | Up | 08:40:41 - 09:10:41 | 4209 |
| Idyllwild | 08:55:53 | -57.0 | Dark | Up | 42.2 | 152.7 | Up | 08:40:53 - 09:10:53 | 4187 |
| Laughlin/Bullhead City | 08:55:43 | -54.8 | Dark | Up | 41.7 | 155.9 | Up | 08:40:43 - 09:10:43 | 4146 |
| Mohave Valley | 08:55:43 | -55.0 | Dark | Up | 41.9 | 155.8 | Up | 08:40:43 - 09:10:43 | 4133 |
| Patrick | 08:55:40 | -54.3 | Dark | Up | 41.7 | 156.8 | Up | 08:40:40 - 09:10:40 | 4122 |
| Kingman/Dolan Springs | 08:55:41 | -54.5 | Dark | Up | 41.8 | 156.5 | Up | 08:40:41 - 09:10:41 | 4121 |
| Lake Havasu City | 08:55:44 | -55.2 | Dark | Up | 42.4 | 155.9 | Up | 08:40:44 - 09:10:44 | 4101 |
| Calipatria | 08:55:51 | -56.9 | Dark | Up | 43.2 | 153.9 | Up | 08:40:51 - 09:10:51 | 4095 |
| Parker | 08:55:45 | -55.4 | Dark | Up | 42.7 | 155.9 | Up | 08:40:45 - 09:10:45 | 4082 |
| Yuma | 08:55:50 | -56.7 | Dark | Up | 43.9 | 154.9 | Up | 08:40:50 - 09:10:50 | 4026 |
| George/Scottsdale | 08:55:38 | -54.3 | Dark | Up | 43.9 | 158.8 | Up | 08:40:38 - 09:10:38 | 3932 |
| Dunrhomin | 08:55:01 | -46.1 | Dark | Up | 39.0 | 168.8 | Up | 08:40:01 - 09:10:01 | 3905 |
| CU-SBO | 08:55:01 | -46.3 | Dark | Up | 39.3 | 168.6 | Up | 08:40:01 - 09:10:01 | 3898 |
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 14SC374, (2025/10/10 08:57UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 21.79 39 Menkar 03:02:16.8 +04:05:21 2.5 17.93 25 PPM 213312 03:43:33.8 -10:29:09 5.6 0.86 36 PPM 186164 03:46:13.3 -09:52:58 7.1 0.19 36 14SC374 03:46:33.9 -10:02:55 15.4 36 Positions are for J2000
Event circumstances last updated at 2022/04/09 23:24:09 UT
Marc W. Buie, Southwest Research Institute