Event between (88611) Teharonhiawako and star GA0880:19235600 with event index number of 1418332
Geocentric closest approach at 2025/07/14 11:11:13 UTC
J2000 position of star is 23:31:53.6 -00:56:58
Equinox of date position of star is 23:33:08.9 -00:48:51
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 17 degrees from the moon.
Moon is 86% illuminated.
Apparent brightness V=22.7
[RECON map]
Object is 45.2 AU from the Sun
and 44.7 AU from the Earth.
Apparent velocity is 9.8
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 391 seconds.
The 1-sigma cross-track error in the shadow position is
3898 km.
The sky-plane scale is
32434.2 km/arcsec.
The object has an absolute magnitude Hv=6.0
Diameter=416.9 km assuming a 5% albedo -- 39.0 sec chord
Diameter=170.2 km assuming a 30% albedo -- 15.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 88611, (2025/07/14 11:11UT) Object RA Dec mag sep mel Fomalhaut 22:59:03.3 -29:29:10 1.2 29.81 20 Markab 23:06:02.1 +15:20:35 2.5 17.49 27 14 Psc 23:35:27.8 -01:06:23 5.9 0.64 17 13 Psc 23:33:16.2 -00:56:41 7.6 0.14 17 88611 23:33:12.2 -00:48:30 16.6 17 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
2.3 sigma about the mid-time.
The median site spacing is 31.7 km
RECON observability=0.4 and success probability=0.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 11:10:24 | -7.3 | NT | Up | 37.2 | 163.4 | Up | 10:55:24 - 11:25:24 | 14550 |
| Kelowna | 11:10:20 | -7.5 | NT | Up | 38.1 | 164.3 | Up | 10:55:20 - 11:25:20 | 14482 |
| Peachland | 11:10:22 | -7.7 | NT | Up | 38.2 | 163.9 | Up | 10:55:22 - 11:25:22 | 14481 |
| Victoria | 11:10:50 | -10.1 | NT | Up | 38.6 | 159.2 | Up | 10:55:50 - 11:25:50 | 14479 |
| Summerland | 11:10:21 | -7.8 | NT | Up | 38.3 | 164.0 | Up | 10:55:21 - 11:25:21 | 14470 |
| Penticton | 11:10:21 | -7.8 | NT | Up | 38.4 | 164.1 | Up | 10:55:21 - 11:25:21 | 14463 |
| Oliver | 11:10:23 | -8.0 | NT | Up | 38.7 | 164.1 | Up | 10:55:23 - 11:25:23 | 14441 |
| Anarchist Mountain Observatory | 11:10:23 | -8.0 | NT | Up | 38.9 | 164.3 | Up | 10:55:23 - 11:25:23 | 14427 |
| Okanogan | 11:10:26 | -8.6 | NT | Up | 39.5 | 163.9 | Up | 10:55:26 - 11:25:26 | 14390 |
| Brewster | 11:10:28 | -8.9 | NT | Up | 39.8 | 163.6 | Up | 10:55:28 - 11:25:28 | 14376 |
| Manson/Chelan | 11:10:32 | -9.2 | NT | Up | 39.9 | 163.1 | Up | 10:55:32 - 11:25:32 | 14371 |
| Sleaford | 11:08:42 | 0.2 | Sun up | Up | 37.0 | 181.1 | Up | 10:53:42 - 11:23:42 | 14348 |
| Wenatchee | 11:10:34 | -9.6 | NT | Up | 40.3 | 162.7 | Up | 10:55:34 - 11:25:34 | 14344 |
| Ellensburg | 11:10:31 | -10.1 | NT | Up | 40.7 | 162.3 | Up | 10:55:31 - 11:25:31 | 14321 |
| Yakima | 11:10:41 | -10.3 | NT | Up | 41.0 | 162.3 | Up | 10:55:41 - 11:25:41 | 14295 |
| Toppenish/White Swan | 11:10:39 | -10.4 | NT | Up | 41.3 | 162.4 | Up | 10:55:39 - 11:25:39 | 14276 |
| The Dalles | 11:10:46 | -11.4 | NT | Up | 41.9 | 161.2 | Up | 10:55:46 - 11:25:46 | 14241 |
| PNWRO | 11:10:29 | -10.0 | NT | Up | 41.9 | 164.2 | Up | 10:55:29 - 11:25:29 | 14219 |
| Maupin | 11:10:49 | -11.6 | NT | Up | 42.3 | 161.2 | Up | 10:55:49 - 11:25:49 | 14211 |
| Sisters | 11:10:57 | -12.5 | AT | Up | 43.0 | 160.3 | Up | 10:55:57 - 11:25:57 | 14161 |
| Bend | 11:10:55 | -12.5 | AT | Up | 43.3 | 160.6 | Up | 10:55:55 - 11:25:55 | 14139 |
| Oregon Observatory | 11:10:57 | -12.7 | AT | Up | 43.4 | 160.4 | Up | 10:55:57 - 11:25:57 | 14130 |
| Chiloquin | 11:11:06 | -13.9 | AT | Up | 44.6 | 159.4 | Up | 10:56:06 - 11:26:06 | 14046 |
| Klamath Falls | 11:11:07 | -14.1 | AT | Up | 44.9 | 159.4 | Up | 10:56:07 - 11:26:07 | 14020 |
| Cedarville | 11:10:57 | -13.8 | AT | Up | 46.0 | 161.4 | Up | 10:55:57 - 11:25:57 | 13932 |
| Fall River/Burney | 11:11:09 | -14.8 | AT | Up | 46.1 | 159.6 | Up | 10:56:09 - 11:26:09 | 13924 |
| Greenville | 11:11:08 | -15.2 | AT | Up | 47.1 | 159.8 | Up | 10:56:08 - 11:26:08 | 13846 |
| Gimple | 11:11:13 | -15.1 | AT | Up | 47.1 | 160.0 | Up | 10:56:13 - 11:26:13 | 13844 |
| Quincy | 11:11:08 | -15.3 | AT | Up | 47.3 | 159.8 | Up | 10:56:08 - 11:26:08 | 13831 |
| Portola | 11:11:13 | -15.2 | AT | Up | 47.5 | 160.4 | Up | 10:56:13 - 11:26:13 | 13810 |
| Reno | 11:11:01 | -15.0 | AT | Up | 47.9 | 161.2 | Up | 10:56:01 - 11:26:01 | 13774 |
| Carson City | 11:11:02 | -15.3 | AT | Up | 48.3 | 161.1 | Up | 10:56:02 - 11:26:02 | 13746 |
| Gardnerville | 11:11:03 | -15.4 | AT | Up | 48.5 | 161.1 | Up | 10:56:03 - 11:26:03 | 13726 |
| Yerington | 11:11:02 | -15.1 | AT | Up | 48.6 | 162.0 | Up | 10:56:02 - 11:26:02 | 13716 |
| Hawthorne | 11:10:56 | -15.1 | AT | Up | 49.2 | 162.6 | Up | 10:55:56 - 11:25:56 | 13667 |
| Lee Vining | 11:11:04 | -15.8 | AT | Up | 49.6 | 161.7 | Up | 10:56:04 - 11:26:04 | 13635 |
| Bishop | 11:10:59 | -15.8 | AT | Up | 50.3 | 162.5 | Up | 10:55:59 - 11:25:59 | 13569 |
| Beatty | 11:10:46 | -15.2 | AT | Up | 51.1 | 164.8 | Up | 10:55:46 - 11:25:46 | 13491 |
| Dunrhomin | 11:09:06 | -6.3 | NT | Up | 48.8 | 182.6 | Up | 10:54:06 - 11:24:06 | 13470 |
| Nikitin | 11:09:04 | -6.4 | NT | Up | 49.0 | 182.6 | Up | 10:54:04 - 11:24:04 | 13456 |
| CU-SBO | 11:09:04 | -6.5 | NT | Up | 49.0 | 182.4 | Up | 10:54:04 - 11:24:04 | 13452 |
| Wildwood | 11:11:14 | -18.2 | Dark | Up | 53.4 | 161.0 | Up | 10:56:14 - 11:26:14 | 13307 |
| Patrick | 11:10:29 | -14.5 | AT | Up | 53.1 | 168.9 | Up | 10:55:29 - 11:25:29 | 13294 |
| Laughlin/Bullhead City | 11:10:35 | -15.1 | AT | Up | 53.2 | 167.7 | Up | 10:55:35 - 11:25:35 | 13292 |
| Lake Havasu City | 11:10:36 | -15.4 | AT | Up | 53.9 | 167.9 | Up | 10:55:36 - 11:25:36 | 13228 |
| Idyllwild | 11:10:59 | -17.3 | AT | Up | 54.2 | 163.8 | Up | 10:55:59 - 11:25:59 | 13228 |
| Calipatria | 11:10:55 | -17.0 | AT | Up | 55.1 | 165.6 | Up | 10:55:55 - 11:25:55 | 13144 |
| George/Scottsdale | 11:10:18 | -14.3 | AT | Up | 55.1 | 171.8 | Up | 10:55:18 - 11:25:18 | 13097 |
| Yuma | 11:10:45 | -16.7 | AT | Up | 55.7 | 166.9 | Up | 10:55:45 - 11:25:45 | 13083 |
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 88611, (2025/07/14 11:11UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 29.81 20 Markab 23:04:45.8 +15:12:18 2.5 17.49 27 14 Psc 23:34:09.2 -01:14:51 5.9 0.64 17 13 Psc 23:31:57.6 -01:05:09 7.6 0.14 17 88611 23:31:53.6 -00:56:58 16.6 17 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:59:01 UT
Marc W. Buie, Southwest Research Institute