Event between (523761) 14WU509 and star GA0940:01314878 with event index number of 1337593
Geocentric closest approach at 2023/09/29 10:58:45 UTC
J2000 position of star is 06:15:28.9 +04:04:27
Equinox of date position of star is 06:16:35.8 +04:03:57
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 87 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.1
[RECON map]
TNO is 40.5 AU from the Sun
and 40.4 AU from the Earth.
The TNO is moving 10.6
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 208 seconds.
The 1-sigma cross-track error in the shadow position is
3865 km.
The sky-plane scale is
29309.9 km/arcsec.
The TNO has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 37.5 sec chord
Diameter=162.5 km assuming a 30% albedo -- 15.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 523761, (2023/09/29 10:59UT) Object RA Dec mag sep mel Betelgeuse 05:56:27.5 +07:24:34 0.4 6.05 82 34Del Ori 05:33:13.3 -00:17:00 2.2 11.71 76 PPM 150225 06:18:31.7 +05:05:26 6.1 1.12 87 PPM 150130 06:15:27.7 +03:53:37 7.0 0.36 87 PPM 150168 06:16:39.8 +04:03:51 9.3 0.02 87 523761 06:16:44.2 +04:03:54 14.1 87 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
4.3 sigma about the mid-time.
The median site spacing is 14.2 km
RECON observability=1.0 and success probability=7.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 10:52:09 | -23.9 | Dark | Up | 45.9 | 137.7 | Up | 10:37:09 - 11:07:09 | -3603 |
| Clarence Fulton | 10:50:35 | -28.6 | Dark | Up | 31.6 | 127.6 | Up | 10:35:35 - 11:05:35 | -3795 |
| Kelowna | 10:50:35 | -28.9 | Dark | Up | 31.8 | 127.2 | Up | 10:35:35 - 11:05:35 | -3832 |
| Peachland | 10:50:40 | -29.1 | Dark | Up | 31.7 | 126.9 | Up | 10:35:40 - 11:05:40 | -3856 |
| Penticton | 10:50:38 | -29.1 | Dark | Up | 31.9 | 127.0 | Up | 10:35:38 - 11:05:38 | -3862 |
| Summerland | 10:50:38 | -29.1 | Dark | Up | 31.8 | 126.9 | Up | 10:35:38 - 11:05:38 | -3862 |
| Oliver | 10:50:42 | -29.3 | Dark | Up | 32.1 | 126.8 | Up | 10:35:42 - 11:05:42 | -3889 |
| Anarchist Mountain Observatory | 10:50:41 | -29.3 | Dark | Up | 32.4 | 126.9 | Up | 10:35:41 - 11:05:41 | -3892 |
| Tonasket | 10:50:44 | -29.5 | Dark | Up | 32.5 | 126.7 | Up | 10:35:44 - 11:05:44 | -3919 |
| Okanogan | 10:50:45 | -29.8 | Dark | Up | 32.6 | 126.4 | Up | 10:35:45 - 11:05:45 | -3952 |
| Brewster | 10:50:46 | -30.0 | Dark | Up | 32.7 | 126.1 | Up | 10:35:46 - 11:05:46 | -3983 |
| Manson/Chelan | 10:50:48 | -30.4 | Dark | Up | 32.6 | 125.6 | Up | 10:35:48 - 11:05:48 | -4018 |
| Wenatchee | 10:50:48 | -30.7 | Dark | Up | 32.8 | 125.2 | Up | 10:35:48 - 11:05:48 | -4063 |
| Pasco | 10:50:56 | -30.7 | Dark | Up | 34.2 | 125.8 | Up | 10:35:56 - 11:05:56 | -4086 |
| PNWRO | 10:51:01 | -30.7 | Dark | Up | 34.4 | 125.9 | Up | 10:36:01 - 11:06:01 | -4093 |
| Ellensburg | 10:50:51 | -31.1 | Dark | Up | 32.9 | 124.7 | Up | 10:35:51 - 11:05:51 | -4106 |
| Victoria | 10:50:38 | -31.7 | Dark | Up | 30.4 | 122.7 | Up | 10:35:38 - 11:05:38 | -4129 |
| Yakima | 10:50:54 | -31.3 | Dark | Up | 33.1 | 124.5 | Up | 10:35:54 - 11:05:54 | -4137 |
| Toppenish/White Swan | 10:50:54 | -31.3 | Dark | Up | 33.4 | 124.6 | Up | 10:35:54 - 11:05:54 | -4145 |
| Goldendale | 10:50:56 | -31.9 | Dark | Up | 33.4 | 123.9 | Up | 10:35:56 - 11:05:56 | -4209 |
| The Dalles | 10:50:56 | -32.2 | Dark | Up | 33.3 | 123.4 | Up | 10:35:56 - 11:05:56 | -4246 |
| Maupin | 10:51:05 | -32.4 | Dark | Up | 33.7 | 123.3 | Up | 10:36:05 - 11:06:05 | -4272 |
| Redmond | 10:51:08 | -32.9 | Dark | Up | 34.1 | 122.7 | Up | 10:36:08 - 11:06:08 | -4345 |
| Sisters | 10:51:06 | -33.2 | Dark | Up | 33.8 | 122.3 | Up | 10:36:06 - 11:06:06 | -4364 |
| Bend | 10:51:10 | -33.1 | Dark | Up | 34.1 | 122.5 | Up | 10:36:10 - 11:06:10 | -4368 |
| Oregon Observatory | 10:51:09 | -33.3 | Dark | Up | 34.1 | 122.2 | Up | 10:36:09 - 11:06:09 | -4388 |
| North Lake | 10:51:14 | -33.3 | Dark | Up | 34.8 | 122.4 | Up | 10:36:14 - 11:06:14 | -4407 |
| La Pine/Gilchrist | 10:51:09 | -33.5 | Dark | Up | 34.2 | 122.0 | Up | 10:36:09 - 11:06:09 | -4407 |
| Paisley | 10:51:22 | -33.4 | Dark | Up | 35.4 | 122.4 | Up | 10:36:22 - 11:06:22 | -4428 |
| Lakeview | 10:51:24 | -33.5 | Dark | Up | 35.8 | 122.3 | Up | 10:36:24 - 11:06:24 | -4454 |
| George/Scottsdale | 10:52:42 | -31.0 | Dark | Up | 46.3 | 125.0 | Up | 10:37:42 - 11:07:42 | -4465 |
| Cedarville | 10:51:29 | -33.8 | Dark | Up | 36.2 | 122.1 | Up | 10:36:29 - 11:06:29 | -4491 |
| Patrick | 10:52:23 | -32.0 | Dark | Up | 43.9 | 124.2 | Up | 10:37:23 - 11:07:23 | -4504 |
| Chiloquin | 10:51:17 | -34.3 | Dark | Up | 34.6 | 121.1 | Up | 10:36:17 - 11:06:17 | -4510 |
| Klamath Falls | 10:51:22 | -34.4 | Dark | Up | 34.8 | 121.0 | Up | 10:36:22 - 11:06:22 | -4531 |
| Kingman/Dolan Springs | 10:52:29 | -32.2 | Dark | Up | 43.9 | 123.9 | Up | 10:37:29 - 11:07:29 | -4531 |
| Henderson | 10:52:16 | -32.6 | Dark | Up | 42.7 | 123.6 | Up | 10:37:16 - 11:07:16 | -4541 |
| Indian Springs | 10:52:13 | -32.9 | Dark | Up | 42.0 | 123.3 | Up | 10:37:13 - 11:07:13 | -4553 |
| Tonopah | 10:52:01 | -33.4 | Dark | Up | 40.1 | 122.8 | Up | 10:37:01 - 11:07:01 | -4555 |
| Laughlin/Bullhead City | 10:52:26 | -32.6 | Dark | Up | 43.5 | 123.3 | Up | 10:37:26 - 11:07:26 | -4568 |
| Mohave Valley | 10:52:29 | -32.7 | Dark | Up | 43.7 | 123.1 | Up | 10:37:29 - 11:07:29 | -4585 |
| Lake Havasu City | 10:52:33 | -32.6 | Dark | Up | 44.1 | 123.1 | Up | 10:37:33 - 11:07:33 | -4593 |
| Fall River/Burney | 10:51:27 | -34.8 | Dark | Up | 35.7 | 120.6 | Up | 10:36:27 - 11:06:27 | -4596 |
| Susanville | 10:51:33 | -34.6 | Dark | Up | 36.5 | 121.0 | Up | 10:36:33 - 11:06:33 | -4599 |
| Beatty | 10:52:05 | -33.6 | Dark | Up | 41.1 | 122.4 | Up | 10:37:05 - 11:07:05 | -4603 |
| Hawthorne | 10:51:54 | -34.2 | Dark | Up | 38.9 | 121.7 | Up | 10:36:54 - 11:06:54 | -4612 |
| Yerington | 10:51:49 | -34.3 | Dark | Up | 38.3 | 121.5 | Up | 10:36:49 - 11:06:49 | -4612 |
| Parker | 10:52:33 | -32.8 | Dark | Up | 44.3 | 122.8 | Up | 10:37:33 - 11:07:33 | -4612 |
| Reno | 10:51:41 | -34.5 | Dark | Up | 37.5 | 121.2 | Up | 10:36:41 - 11:06:41 | -4612 |
| Gimple | 10:51:34 | -34.9 | Dark | Up | 36.5 | 120.6 | Up | 10:36:34 - 11:06:34 | -4631 |
| Portola | 10:51:40 | -34.8 | Dark | Up | 37.0 | 120.8 | Up | 10:36:40 - 11:06:40 | -4632 |
| Greenville | 10:51:36 | -35.0 | Dark | Up | 36.5 | 120.5 | Up | 10:36:36 - 11:06:36 | -4636 |
| Carson City | 10:51:43 | -34.7 | Dark | Up | 37.8 | 121.0 | Up | 10:36:43 - 11:06:43 | -4636 |
| Quincy | 10:51:40 | -35.1 | Dark | Up | 36.6 | 120.4 | Up | 10:36:40 - 11:06:40 | -4651 |
| Gardnerville | 10:51:47 | -34.8 | Dark | Up | 37.9 | 120.9 | Up | 10:36:47 - 11:06:47 | -4651 |
| Blythe | 10:52:40 | -33.2 | Dark | Up | 44.4 | 122.1 | Up | 10:37:40 - 11:07:40 | -4665 |
| Bishop | 10:52:01 | -34.5 | Dark | Up | 39.7 | 121.2 | Up | 10:37:01 - 11:07:01 | -4676 |
| Lee Vining | 10:51:51 | -34.8 | Dark | Up | 38.9 | 120.9 | Up | 10:36:51 - 11:06:51 | -4681 |
| Yuma | 10:52:47 | -33.5 | Dark | Up | 44.9 | 121.3 | Up | 10:37:47 - 11:07:47 | -4725 |
| Calipatria | 10:52:41 | -34.1 | Dark | Up | 44.0 | 120.8 | Up | 10:37:41 - 11:07:41 | -4761 |
| Idyllwild | 10:52:33 | -34.8 | Dark | Up | 42.8 | 120.1 | Up | 10:37:33 - 11:07:33 | -4805 |
| Wildwood | 10:52:23 | -36.1 | Dark | Up | 41.2 | 118.6 | Up | 10:37:23 - 11:07:23 | -4906 |
| CPSLO | 10:52:12 | -37.1 | Dark | Up | 39.1 | 117.6 | Up | 10:37:12 - 11:07:12 | -4957 |
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 523761, (2023/09/29 10:59UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 6.05 82 34Del Ori 05:32:00.4 -00:17:57 2.2 11.71 76 PPM 150225 06:17:15.8 +05:06:03 6.1 1.12 87 PPM 150130 06:14:12.6 +03:54:08 7.0 0.36 87 PPM 150168 06:15:24.5 +04:04:24 9.3 0.02 87 523761 06:15:28.9 +04:04:27 14.1 87 Positions are for J2000
Event circumstances last updated at 2021/02/12 21:09:05 UT
Marc W. Buie, Southwest Research Institute