Event between 13MB12 and star GA0880:00104710 with event index number of 2364153
Geocentric closest approach at 2026/09/16 08:55:33 UTC
J2000 position of star is 01:14:11.9 -01:42:40
Equinox of date position of star is 01:15:19.4 -01:35:42
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=23.7
[RECON map]
TNO is 22.2 AU from the Sun
and 21.3 AU from the Earth.
The TNO is moving 21.7
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 269 seconds.
The 1-sigma cross-track error in the shadow position is
3358 km.
The sky-plane scale is
15448.6 km/arcsec.
The TNO has an absolute magnitude Hv=10.2
Diameter=54.0 km assuming a 5% albedo -- 2.5 sec chord
Diameter=22.0 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 13MB12, (2026/09/16 08:56UT) Object RA Dec mag sep mel Fomalhaut 22:59:07.1 -29:28:48 1.2 42.78 95 68Omi Cet 02:20:41.9 -02:51:27 2.0 16.32 148 38 Cet 01:16:11.1 -00:49:55 5.7 0.75 139 PPM 183170 01:14:44.9 -02:24:36 7.4 0.86 137 PPM 174866 01:14:40.3 -01:43:19 9.0 0.27 138 PPM 174867 01:14:42.9 -01:35:24 10.6 0.21 138 13MB12 01:15:33.7 -01:34:13 15.9 138 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
3.3 sigma about the mid-time.
The median site spacing is 18.0 km
RECON observability=1.0 and success probability=10.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 08:54:08 | -35.3 | Dark | Down | 36.9 | 167.4 | Up | 08:39:08 - 09:09:08 | 3243 |
| Victoria | 08:54:21 | -37.9 | Dark | Down | 38.5 | 163.2 | Up | 08:39:21 - 09:09:21 | 3237 |
| Peachland | 08:54:08 | -36.1 | Dark | Down | 37.9 | 168.0 | Up | 08:39:08 - 09:09:08 | 3174 |
| Kelowna | 08:54:07 | -35.9 | Dark | Down | 37.8 | 168.4 | Up | 08:39:07 - 09:09:07 | 3170 |
| Summerland | 08:54:08 | -36.2 | Dark | Down | 38.1 | 168.1 | Up | 08:39:08 - 09:09:08 | 3163 |
| Penticton | 08:54:08 | -36.3 | Dark | Down | 38.1 | 168.2 | Up | 08:39:08 - 09:09:08 | 3155 |
| Oliver | 08:54:09 | -36.6 | Dark | Down | 38.5 | 168.2 | Up | 08:39:09 - 09:09:09 | 3136 |
| Anarchist Mountain Observatory | 08:54:08 | -36.7 | Dark | Down | 38.7 | 168.4 | Up | 08:39:08 - 09:09:08 | 3121 |
| Tonasket | 08:54:10 | -37.0 | Dark | Down | 39.0 | 168.2 | Up | 08:39:10 - 09:09:10 | 3106 |
| Okanogan | 08:54:11 | -37.4 | Dark | Down | 39.3 | 168.0 | Up | 08:39:11 - 09:09:11 | 3093 |
| Manson/Chelan | 08:54:13 | -37.9 | Dark | Down | 39.7 | 167.2 | Up | 08:39:13 - 09:09:13 | 3086 |
| Brewster | 08:54:12 | -37.7 | Dark | Down | 39.5 | 167.7 | Up | 08:39:12 - 09:09:12 | 3085 |
| Wenatchee | 08:54:15 | -38.4 | Dark | Down | 40.1 | 166.9 | Up | 08:39:15 - 09:09:15 | 3066 |
| Ellensburg | 08:54:17 | -38.9 | Dark | Down | 40.5 | 166.5 | Up | 08:39:17 - 09:09:17 | 3051 |
| Yakima | 08:54:17 | -39.2 | Dark | Down | 40.9 | 166.4 | Up | 08:39:17 - 09:09:17 | 3028 |
| Toppenish/White Swan | 08:54:17 | -39.4 | Dark | Down | 41.1 | 166.6 | Up | 08:39:17 - 09:09:17 | 3009 |
| The Dalles | 08:54:22 | -40.3 | Dark | Down | 41.7 | 165.4 | Up | 08:39:22 - 09:09:22 | 2994 |
| Goldendale | 08:54:20 | -40.0 | Dark | Down | 41.6 | 166.0 | Up | 08:39:20 - 09:09:20 | 2993 |
| Maupin | 08:54:22 | -40.7 | Dark | Down | 42.2 | 165.5 | Up | 08:39:22 - 09:09:22 | 2966 |
| Sisters | 08:54:26 | -41.6 | Dark | Down | 42.9 | 164.6 | Up | 08:39:26 - 09:09:26 | 2933 |
| PNWRO | 08:54:14 | -39.4 | Dark | Down | 41.7 | 168.5 | Up | 08:39:14 - 09:09:14 | 2932 |
| Bend | 08:54:26 | -41.8 | Dark | Down | 43.2 | 164.9 | Up | 08:39:26 - 09:09:26 | 2908 |
| Oregon Observatory | 08:54:26 | -42.0 | Dark | Down | 43.3 | 164.7 | Up | 08:39:26 - 09:09:26 | 2903 |
| North Lake | 08:54:26 | -42.5 | Dark | Down | 44.1 | 165.3 | Up | 08:39:26 - 09:09:26 | 2843 |
| Chiloquin | 08:54:31 | -43.3 | Dark | Down | 44.5 | 163.8 | Up | 08:39:31 - 09:09:31 | 2839 |
| Sleaford | 08:53:26 | -30.2 | Dark | Down | 36.1 | 185.2 | Up | 08:38:26 - 09:08:26 | 2829 |
| Klamath Falls | 08:54:31 | -43.7 | Dark | Down | 44.9 | 163.8 | Up | 08:39:31 - 09:09:31 | 2814 |
| Lakeview | 08:54:27 | -43.3 | Dark | Down | 45.2 | 165.8 | Up | 08:39:27 - 09:09:27 | 2755 |
| Fall River/Burney | 08:54:33 | -44.7 | Dark | Down | 46.1 | 164.1 | Up | 08:39:33 - 09:09:33 | 2724 |
| Cedarville | 08:54:28 | -43.9 | Dark | Down | 45.9 | 165.9 | Up | 08:39:28 - 09:09:28 | 2706 |
| Susanville | 08:54:32 | -45.1 | Dark | Down | 46.8 | 164.9 | Up | 08:39:32 - 09:09:32 | 2654 |
| Greenville | 08:54:34 | -45.4 | Dark | Down | 47.1 | 164.4 | Up | 08:39:34 - 09:09:34 | 2648 |
| Gimple | 08:54:34 | -45.4 | Dark | Down | 47.1 | 164.6 | Up | 08:39:34 - 09:09:34 | 2644 |
| Quincy | 08:54:34 | -45.6 | Dark | Down | 47.3 | 164.4 | Up | 08:39:34 - 09:09:34 | 2634 |
| Portola | 08:54:33 | -45.6 | Dark | Down | 47.5 | 165.0 | Up | 08:39:33 - 09:09:33 | 2606 |
| Reno | 08:54:31 | -45.7 | Dark | Down | 47.8 | 165.9 | Up | 08:39:31 - 09:09:31 | 2562 |
| Carson City | 08:54:32 | -46.0 | Dark | Down | 48.2 | 165.8 | Up | 08:39:32 - 09:09:32 | 2537 |
| Gardnerville | 08:54:33 | -46.2 | Dark | Down | 48.4 | 165.8 | Up | 08:39:33 - 09:09:33 | 2518 |
| Yerington | 08:54:31 | -46.0 | Dark | Down | 48.5 | 166.7 | Up | 08:39:31 - 09:09:31 | 2497 |
| Hawthorne | 08:54:30 | -46.2 | Dark | Down | 49.1 | 167.4 | Up | 08:39:30 - 09:09:30 | 2443 |
| Lee Vining | 08:54:33 | -46.9 | Dark | Down | 49.5 | 166.5 | Up | 08:39:33 - 09:09:33 | 2425 |
| Bishop | 08:54:32 | -47.2 | Dark | Down | 50.2 | 167.5 | Up | 08:39:32 - 09:09:32 | 2352 |
| Tonopah | 08:54:26 | -46.2 | Dark | Down | 49.7 | 169.4 | Up | 08:39:26 - 09:09:26 | 2351 |
| Beatty | 08:54:27 | -47.1 | Dark | Down | 50.9 | 169.9 | Up | 08:39:27 - 09:09:27 | 2248 |
| Indian Springs | 08:54:24 | -47.0 | Dark | Down | 51.4 | 171.5 | Up | 08:39:24 - 09:09:24 | 2178 |
| Wildwood | 08:54:40 | -50.2 | Dark | Down | 53.4 | 166.2 | Up | 08:39:40 - 09:09:40 | 2125 |
| Henderson | 08:54:23 | -47.2 | Dark | Down | 52.0 | 172.5 | Up | 08:39:23 - 09:09:23 | 2108 |
| Laughlin/Bullhead City | 08:54:23 | -47.7 | Dark | Down | 52.9 | 173.0 | Up | 08:39:23 - 09:09:23 | 2025 |
| Idyllwild | 08:54:34 | -49.8 | Dark | Down | 54.1 | 169.2 | Up | 08:39:34 - 09:09:34 | 2014 |
| Patrick | 08:54:20 | -47.2 | Dark | Down | 52.7 | 174.2 | Up | 08:39:20 - 09:09:20 | 2012 |
| Mohave Valley | 08:54:24 | -48.0 | Dark | Down | 53.2 | 173.0 | Up | 08:39:24 - 09:09:24 | 2004 |
| Kingman/Dolan Springs | 08:54:21 | -47.5 | Dark | Down | 52.9 | 173.9 | Up | 08:39:21 - 09:09:21 | 2004 |
| Dunrhomin | 08:53:41 | -39.4 | Dark | Down | 47.8 | 187.5 | Up | 08:38:41 - 09:08:41 | 1998 |
| Lake Havasu City | 08:54:24 | -48.2 | Dark | Down | 53.6 | 173.3 | Up | 08:39:24 - 09:09:24 | 1963 |
| Parker | 08:54:24 | -48.5 | Dark | Down | 54.0 | 173.3 | Up | 08:39:24 - 09:09:24 | 1934 |
| Calipatria | 08:54:31 | -49.9 | Dark | Down | 54.8 | 171.1 | Up | 08:39:31 - 09:09:31 | 1913 |
| Yuma | 08:54:29 | -49.9 | Dark | Down | 55.4 | 172.5 | Up | 08:39:29 - 09:09:29 | 1838 |
| George/Scottsdale | 08:54:16 | -47.7 | Dark | Down | 54.5 | 177.4 | Up | 08:39:16 - 09:09:16 | 1791 |
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 13MB12, (2026/09/16 08:56UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 42.78 95 68Omi Cet 02:19:20.8 -02:58:45 2.0 16.32 148 38 Cet 01:14:49.2 -00:58:21 5.7 0.75 139 PPM 183170 01:13:23.3 -02:33:04 7.4 0.86 137 PPM 174866 01:13:18.5 -01:51:46 9.0 0.27 138 PPM 174867 01:13:21.1 -01:43:52 10.6 0.21 138 13MB12 01:14:11.9 -01:42:40 15.9 138 Positions are for J2000
Event circumstances last updated at 2022/01/16 23:57:40 UT
Marc W. Buie, Southwest Research Institute