Event between (511130) 13WV107 and star GA0740:04511205 with event index number of 2262492
Geocentric closest approach at 2023/03/18 09:23:50 UTC
J2000 position of star is 10:13:52.2 -15:23:13
Equinox of date position of star is 10:14:59.0 -15:30:05
Stellar brightness G=14.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=20.5
[RECON map]
TNO is 11.0 AU from the Sun
and 10.2 AU from the Earth.
The TNO is moving 19.2
km/sec on the sky relative to the star, or,
9.4 arcsec/hr.
The 1-sigma error in the time of the event is 35 seconds.
The 1-sigma cross-track error in the shadow position is
572 km.
The sky-plane scale is
7363.6 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=60.3 km assuming a 5% albedo -- 3.1 sec chord
Diameter=24.6 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
Star training set for 511130, (2023/03/18 09:23UT) Object RA Dec mag sep mel Regulus 10:09:36.4 +11:51:10 1.3 27.39 161 Alphard 09:28:43.7 -08:45:37 2.0 13.16 148 PPM 222476 10:08:16.4 -17:15:23 5.1 2.38 138 PPM 222637 10:14:26.1 -15:48:37 8.5 0.34 138 PPM 222646 10:14:57.7 -15:23:05 8.8 0.12 139 511130 10:14:59.8 -15:30:10 14.5 138 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
5.0 sigma about the mid-time.
The median site spacing is 8.5 km
RECON observability=0.5 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 | 09:23:29 | -32.0 | Dark | Down | 6.4 | 234.6 | Really Low | 09:20:05 - 09:26:54 | 6149 |
| Kamloops | 09:23:58 | -37.9 | Dark | Down | 14.0 | 222.5 | Really Low | 09:20:33 - 09:27:22 | 6006 |
| Kelowna | 09:23:53 | -38.4 | Dark | Down | 14.3 | 223.4 | Really Low | 09:20:29 - 09:27:18 | 6002 |
| Peachland | 09:23:53 | -38.6 | Dark | Down | 14.5 | 223.2 | Really Low | 09:20:29 - 09:27:18 | 5996 |
| Penticton | 09:23:53 | -38.7 | Dark | Down | 14.5 | 223.4 | Really Low | 09:20:29 - 09:27:18 | 5995 |
| Summerland | 09:23:53 | -38.7 | Dark | Down | 14.5 | 223.3 | Really Low | 09:20:29 - 09:27:18 | 5995 |
| Oliver | 09:23:53 | -39.0 | Dark | Down | 14.8 | 223.5 | Really Low | 09:20:29 - 09:27:18 | 5988 |
| Anarchist Mountain Observatory | 09:23:53 | -39.1 | Dark | Down | 14.8 | 223.7 | Really Low | 09:20:29 - 09:27:18 | 5988 |
| Okanogan | 09:23:53 | -39.8 | Dark | Down | 15.4 | 223.6 | Really Low | 09:20:29 - 09:27:18 | 5971 |
| Brewster | 09:23:53 | -40.1 | Dark | Down | 15.7 | 223.5 | Really Low | 09:20:29 - 09:27:18 | 5962 |
| Manson/Chelan | 09:23:53 | -40.4 | Dark | Down | 16.0 | 223.2 | Really Low | 09:20:29 - 09:27:18 | 5952 |
| Wenatchee | 09:23:53 | -40.8 | Dark | Down | 16.4 | 223.1 | Really Low | 09:20:29 - 09:27:18 | 5939 |
| PNWRO | 09:23:53 | -41.7 | Dark | Down | 16.8 | 224.7 | Really Low | 09:20:29 - 09:27:18 | 5931 |
| Ellensburg | 09:23:53 | -41.3 | Dark | Down | 16.8 | 223.0 | Really Low | 09:20:29 - 09:27:18 | 5927 |
| Victoria | 09:23:58 | -40.6 | Dark | Down | 17.0 | 220.2 | Really Low | 09:20:34 - 09:27:23 | 5918 |
| Yakima | 09:23:53 | -41.7 | Dark | Down | 17.1 | 223.1 | Really Low | 09:20:29 - 09:27:18 | 5917 |
| Toppenish/White Swan | 09:23:53 | -41.8 | Dark | Down | 17.2 | 223.3 | Really Low | 09:20:29 - 09:27:18 | 5915 |
| The Dalles | 09:23:53 | -42.7 | Dark | Down | 18.2 | 222.8 | Really Low | 09:20:29 - 09:27:18 | 5883 |
| Maupin | 09:23:53 | -43.1 | Dark | Down | 18.4 | 223.0 | Really Low | 09:20:29 - 09:27:18 | 5875 |
| Dunrhomin | 09:22:34 | -40.4 | Dark | Down | 12.8 | 236.7 | Really Low | 09:19:10 - 09:25:59 | 5872 |
| CU-SBO | 09:22:33 | -40.6 | Dark | Down | 13.0 | 236.7 | Really Low | 09:19:09 - 09:25:58 | 5863 |
| Sisters | 09:23:53 | -44.0 | Dark | Down | 19.3 | 222.7 | Really Low | 09:20:29 - 09:27:18 | 5844 |
| Bend | 09:23:35 | -44.2 | Dark | Down | 19.4 | 222.9 | Really Low | 09:20:11 - 09:27:00 | 5832 |
| Oregon Observatory | 09:23:35 | -44.4 | Dark | Down | 19.6 | 222.9 | Really Low | 09:20:11 - 09:27:00 | 5825 |
| Chiloquin | 09:23:31 | -45.7 | Dark | Down | 20.8 | 222.8 | Low | 09:20:07 - 09:26:56 | 5776 |
| Cedarville | 09:23:23 | -46.1 | Dark | Down | 20.7 | 224.5 | Low | 09:19:58 - 09:26:47 | 5767 |
| Klamath Falls | 09:23:29 | -46.0 | Dark | Down | 21.0 | 223.0 | Low | 09:20:04 - 09:26:53 | 5765 |
| Fall River/Burney | 09:23:24 | -47.0 | Dark | Down | 21.6 | 223.6 | Low | 09:20:00 - 09:26:49 | 5730 |
| Gimple | 09:23:19 | -47.6 | Dark | Down | 22.0 | 224.3 | Low | 09:19:55 - 09:26:44 | 5705 |
| Greenville | 09:23:19 | -47.6 | Dark | Down | 22.1 | 224.2 | Low | 09:19:55 - 09:26:44 | 5704 |
| Portola | 09:23:16 | -47.7 | Dark | Down | 22.1 | 224.7 | Low | 09:19:51 - 09:26:40 | 5700 |
| Reno | 09:23:13 | -47.7 | Dark | Down | 21.9 | 225.3 | Low | 09:19:49 - 09:26:38 | 5700 |
| Quincy | 09:23:18 | -47.8 | Dark | Down | 22.2 | 224.3 | Low | 09:19:54 - 09:26:43 | 5696 |
| Yerington | 09:23:09 | -48.0 | Dark | Down | 21.9 | 226.1 | Low | 09:19:45 - 09:26:34 | 5688 |
| Carson City | 09:23:12 | -48.1 | Dark | Down | 22.1 | 225.5 | Low | 09:19:47 - 09:26:36 | 5686 |
| Hawthorne | 09:23:06 | -48.2 | Dark | Down | 22.0 | 226.6 | Low | 09:19:41 - 09:26:30 | 5678 |
| Gardnerville | 09:23:10 | -48.3 | Dark | Down | 22.3 | 225.6 | Low | 09:19:46 - 09:26:35 | 5677 |
| Lee Vining | 09:23:05 | -48.9 | Dark | Down | 22.6 | 226.4 | Low | 09:19:41 - 09:26:30 | 5648 |
| Beatty | 09:22:53 | -48.8 | Dark | Down | 22.0 | 228.6 | Low | 09:19:29 - 09:26:18 | 5637 |
| Bishop | 09:23:01 | -49.1 | Dark | Down | 22.6 | 227.2 | Low | 09:19:36 - 09:26:25 | 5633 |
| Patrick | 09:22:38 | -48.6 | Dark | Down | 21.2 | 231.3 | Low | 09:19:14 - 09:26:03 | 5609 |
| Laughlin/Bullhead City | 09:22:39 | -49.1 | Dark | Down | 21.8 | 230.8 | Low | 09:19:15 - 09:26:04 | 5589 |
| Lake Havasu City | 09:22:36 | -49.5 | Dark | Down | 22.1 | 231.2 | Low | 09:19:11 - 09:26:00 | 5561 |
| George/Scottsdale | 09:22:24 | -48.8 | Dark | Down | 21.0 | 233.3 | Low | 09:18:59 - 09:25:48 | 5554 |
| Idyllwild | 09:22:40 | -51.3 | Dark | Down | 24.1 | 229.6 | Low | 09:19:15 - 09:26:04 | 5495 |
| Wildwood | 09:22:48 | -51.9 | Dark | Down | 25.0 | 228.0 | Low | 09:19:23 - 09:26:12 | 5483 |
| Calipatria | 09:22:35 | -51.2 | Dark | Down | 23.7 | 230.8 | Low | 09:19:10 - 09:25:59 | 5481 |
| Yuma | 09:22:29 | -51.1 | Dark | Down | 23.4 | 231.6 | Low | 09:19:05 - 09:25:54 | 5471 |
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 511130, (2023/03/18 09:23UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 27.39 161 Alphard 09:27:35.2 -08:39:30 2.0 13.16 148 PPM 222476 10:07:09.5 -17:08:32 5.1 2.38 138 PPM 222637 10:13:18.6 -15:41:41 8.5 0.34 138 PPM 222646 10:13:50.2 -15:16:08 8.8 0.12 139 511130 10:13:52.2 -15:23:13 14.5 138 Positions are for J2000
Event circumstances last updated at 2022/12/02 03:10:02 UT
Marc W. Buie, Southwest Research Institute