Event between (523764) 14WC510 and star GA0920:02494373 with event index number of 2613673
Geocentric closest approach at 2027/04/25 04:12:48 UTC
J2000 position of star is 07:16:50.3 +02:52:19
Equinox of date position of star is 07:18:06.2 +02:49:38
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 82% illuminated.
Apparent brightness V=22.1
[RECON map]
Object is 29.7 AU from the Sun
and 29.9 AU from the Earth.
Apparent velocity is 16.1
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 181 seconds.
The 1-sigma cross-track error in the shadow position is
1643 km.
The sky-plane scale is
21673.0 km/arcsec.
The object has an absolute magnitude Hv=7.2
Diameter=212.8 km assuming a 5% albedo -- 13.3 sec chord
Diameter=86.9 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523764, (2027/04/25 04:08UT) Object RA Dec mag sep mel Betelgeuse 05:56:39.1 +07:24:35 0.4 20.83 160 Alhena 06:39:17.4 +16:22:25 1.9 16.60 162 PPM 152385 07:20:48.0 +02:41:19 5.9 0.65 145 PPM 152304 07:18:19.3 +02:41:23 8.3 0.13 146 523764 07:18:16.0 +02:49:17 15.9 145 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 26.3 km
RECON observability=0.5 and success probability=2.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 04:17:54 | -10.1 | NT | Down | 27.6 | 236.7 | Low | 04:02:54 - 04:32:54 | 5336 |
| Kelowna | 04:17:58 | -11.0 | NT | Down | 27.6 | 237.9 | Low | 04:02:58 - 04:32:58 | 5240 |
| Peachland | 04:17:58 | -10.9 | NT | Down | 27.8 | 237.7 | Low | 04:02:58 - 04:32:58 | 5236 |
| Sleaford | 04:18:27 | -15.9 | AT | Down | 18.9 | 249.4 | Really Low | 04:03:27 - 04:33:27 | 5226 |
| Summerland | 04:17:58 | -11.1 | NT | Down | 27.8 | 237.8 | Low | 04:02:58 - 04:32:58 | 5219 |
| Penticton | 04:17:59 | -11.2 | NT | Down | 27.8 | 238.0 | Low | 04:02:59 - 04:32:59 | 5211 |
| Victoria | 04:17:49 | -9.6 | NT | Down | 30.5 | 234.7 | Up | 04:02:49 - 04:32:49 | 5200 |
| Oliver | 04:18:01 | -11.4 | NT | Down | 28.0 | 238.1 | Low | 04:03:01 - 04:33:01 | 5176 |
| Anarchist Mountain Observatory | 04:18:00 | -11.6 | NT | Down | 27.9 | 238.4 | Low | 04:03:00 - 04:33:00 | 5156 |
| Okanogan | 04:18:01 | -11.9 | NT | Down | 28.4 | 238.5 | Low | 04:03:01 - 04:33:01 | 5098 |
| Brewster | 04:18:01 | -11.9 | NT | Down | 28.7 | 238.4 | Low | 04:03:01 - 04:33:01 | 5076 |
| Manson/Chelan | 04:17:59 | -11.8 | NT | Down | 29.0 | 238.2 | Low | 04:02:59 - 04:32:59 | 5064 |
| Wenatchee | 04:17:58 | -12.0 | NT | Down | 29.3 | 238.2 | Low | 04:02:58 - 04:32:58 | 5022 |
| Ellensburg | 04:17:59 | -12.1 | AT | Down | 29.7 | 238.2 | Low | 04:02:59 - 04:32:59 | 4986 |
| Yakima | 04:18:00 | -12.3 | AT | Down | 29.9 | 238.4 | Low | 04:03:00 - 04:33:00 | 4947 |
| Toppenish/White Swan | 04:18:00 | -12.6 | AT | Down | 29.9 | 238.7 | Low | 04:03:00 - 04:33:00 | 4922 |
| The Dalles | 04:17:58 | -12.5 | AT | Down | 30.8 | 238.3 | Up | 04:02:58 - 04:32:58 | 4864 |
| PNWRO | 04:18:04 | -13.6 | AT | Down | 29.2 | 240.3 | Low | 04:03:04 - 04:33:04 | 4851 |
| Maupin | 04:17:59 | -12.8 | AT | Down | 30.9 | 238.6 | Up | 04:02:59 - 04:32:59 | 4820 |
| Sisters | 04:17:58 | -13.0 | AT | Down | 31.7 | 238.6 | Up | 04:02:58 - 04:32:58 | 4745 |
| Bend | 04:17:59 | -13.3 | AT | Down | 31.7 | 239.0 | Up | 04:02:59 - 04:32:59 | 4715 |
| Oregon Observatory | 04:17:59 | -13.3 | AT | Down | 31.8 | 239.0 | Up | 04:02:59 - 04:32:59 | 4701 |
| Chiloquin | 04:17:56 | -13.8 | AT | Down | 32.8 | 239.3 | Up | 04:02:56 - 04:32:56 | 4580 |
| Klamath Falls | 04:17:59 | -14.0 | AT | Down | 32.9 | 239.6 | Up | 04:02:59 - 04:32:59 | 4544 |
| Cedarville | 04:18:03 | -15.4 | AT | Down | 32.2 | 241.4 | Up | 04:03:03 - 04:33:03 | 4433 |
| Fall River/Burney | 04:17:59 | -14.9 | AT | Down | 33.2 | 240.6 | Up | 04:02:59 - 04:32:59 | 4415 |
| Greenville | 04:18:02 | -15.7 | AT | Down | 33.4 | 241.5 | Up | 04:03:02 - 04:33:02 | 4312 |
| Gimple | 04:18:02 | -15.8 | AT | Down | 33.3 | 241.6 | Up | 04:03:02 - 04:33:02 | 4310 |
| Quincy | 04:18:02 | -15.8 | AT | Down | 33.5 | 241.6 | Up | 04:03:02 - 04:33:02 | 4291 |
| Portola | 04:18:03 | -16.2 | AT | Down | 33.2 | 242.1 | Up | 04:03:03 - 04:33:03 | 4266 |
| Reno | 04:18:06 | -16.8 | AT | Down | 32.9 | 242.9 | Up | 04:03:06 - 04:33:06 | 4222 |
| Carson City | 04:18:05 | -17.0 | AT | Down | 33.0 | 243.1 | Up | 04:03:05 - 04:33:05 | 4185 |
| Gardnerville | 04:18:06 | -17.1 | AT | Down | 33.1 | 243.3 | Up | 04:03:06 - 04:33:06 | 4159 |
| Yerington | 04:18:08 | -17.5 | AT | Down | 32.7 | 243.8 | Up | 04:03:08 - 04:33:08 | 4149 |
| Hawthorne | 04:18:10 | -18.1 | Dark | Down | 32.5 | 244.5 | Up | 04:03:10 - 04:33:10 | 4088 |
| Lee Vining | 04:18:08 | -18.1 | Dark | Down | 33.1 | 244.4 | Up | 04:03:08 - 04:33:08 | 4042 |
| Dunrhomin | 04:18:45 | -25.0 | Dark | Down | 22.0 | 254.2 | Low | 04:03:45 - 04:33:45 | 3994 |
| Nikitin | 04:18:44 | -25.1 | Dark | Down | 22.1 | 254.3 | Low | 04:03:44 - 04:33:44 | 3975 |
| CU-SBO | 04:18:45 | -25.1 | Dark | Down | 22.2 | 254.3 | Low | 04:03:45 - 04:33:45 | 3969 |
| Bishop | 04:18:10 | -18.9 | Dark | Down | 32.8 | 245.3 | Up | 04:03:10 - 04:33:10 | 3961 |
| Beatty | 04:18:15 | -20.3 | Dark | Down | 31.8 | 247.0 | Up | 04:03:15 - 04:33:15 | 3872 |
| Patrick | 04:18:25 | -23.1 | Dark | Down | 30.1 | 250.0 | Up | 04:03:25 - 04:33:25 | 3647 |
| Laughlin/Bullhead City | 04:18:23 | -22.7 | Dark | Down | 30.8 | 249.6 | Up | 04:03:23 - 04:33:23 | 3638 |
| Wildwood | 04:18:09 | -20.6 | Dark | Down | 34.3 | 247.2 | Up | 04:03:09 - 04:33:09 | 3625 |
| Lake Havasu City | 04:18:22 | -23.3 | Dark | Down | 30.8 | 250.2 | Up | 04:03:22 - 04:33:22 | 3560 |
| Idyllwild | 04:18:16 | -22.1 | Dark | Down | 32.9 | 248.9 | Up | 04:03:16 - 04:33:16 | 3539 |
| Calipatria | 04:18:18 | -23.3 | Dark | Down | 32.2 | 250.1 | Up | 04:03:18 - 04:33:18 | 3444 |
| George/Scottsdale | 04:18:31 | -25.4 | Dark | Down | 29.1 | 252.4 | Low | 04:03:31 - 04:33:31 | 3421 |
| Yuma | 04:18:22 | -24.2 | Dark | Down | 31.6 | 251.0 | Up | 04:03:22 - 04:33:22 | 3376 |
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 523764, (2027/04/25 04:08UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 20.83 160 Alhena 06:37:42.8 +16:23:56 1.9 16.60 162 PPM 152385 07:19:22.4 +02:44:26 5.9 0.65 145 PPM 152304 07:16:53.7 +02:44:25 8.3 0.13 146 523764 07:16:50.3 +02:52:19 15.9 146 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:10:59 UT
Marc W. Buie, Southwest Research Institute