Event between (523672) 13FJ28 and star GA0860:04326801 with event index number of 2458517
Geocentric closest approach at 2028/04/16 04:31:44 UTC
J2000 position of star is 14:20:02.5 -02:04:38
Equinox of date position of star is 14:21:18.5 -02:11:19
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 55% illuminated.
Apparent brightness V=21.2
[RECON map]
Object is 21.8 AU from the Sun
and 20.8 AU from the Earth.
Apparent velocity is 22.7
km/sec on the sky relative to the star, or,
5.4 arcsec/hr.
The 1-sigma error in the time of the event is 239 seconds.
The 1-sigma cross-track error in the shadow position is
2342 km.
The sky-plane scale is
15098.1 km/arcsec.
The object has an absolute magnitude Hv=7.8
Diameter=173.8 km assuming a 5% albedo -- 7.4 sec chord
Diameter=70.9 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is CENTAURR
Star training set for 523672, (2028/04/16 04:33UT) Object RA Dec mag sep mel Spica 13:26:41.3 -11:18:29 1.0 16.36 87 27Bet Lib 15:18:32.0 -09:29:08 2.6 15.93 62 PPM 179251 14:15:08.4 -00:58:40 6.5 2.01 80 102Ups Vir 14:21:00.2 -02:23:42 6.6 0.23 78 PPM 179272 14:20:52.0 -02:13:39 8.6 0.16 78 523672 14:21:30.4 -02:12:21 16.4 78 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
3.8 sigma about the mid-time.
The median site spacing is 25.5 km
RECON observability=0.4 and success probability=5.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 04:35:19 | -20.0 | Dark | Down | 22.8 | 127.2 | Low | 04:20:19 - 04:50:19 | 6856 |
| Kamloops | 04:35:43 | -14.5 | AT | Down | 15.9 | 114.0 | Really Low | 04:20:43 - 04:50:43 | 6433 |
| Kelowna | 04:35:43 | -15.5 | AT | Down | 16.7 | 114.5 | Really Low | 04:20:43 - 04:50:43 | 6371 |
| Peachland | 04:35:43 | -15.4 | AT | Down | 16.6 | 114.2 | Really Low | 04:20:43 - 04:50:43 | 6355 |
| Summerland | 04:35:44 | -15.5 | AT | Down | 16.7 | 114.3 | Really Low | 04:20:44 - 04:50:44 | 6342 |
| Penticton | 04:35:44 | -15.6 | AT | Down | 16.8 | 114.3 | Really Low | 04:20:44 - 04:50:44 | 6338 |
| Oliver | 04:35:44 | -15.9 | AT | Down | 16.9 | 114.2 | Really Low | 04:20:44 - 04:50:44 | 6304 |
| Anarchist Mountain Observatory | 04:35:44 | -16.1 | AT | Down | 17.1 | 114.4 | Really Low | 04:20:44 - 04:50:44 | 6291 |
| Okanogan | 04:35:45 | -16.3 | AT | Down | 17.3 | 114.0 | Really Low | 04:20:45 - 04:50:45 | 6224 |
| Brewster | 04:35:47 | -16.4 | AT | Down | 17.3 | 113.8 | Really Low | 04:20:47 - 04:50:47 | 6193 |
| Victoria | 04:35:50 | -14.2 | AT | Down | 14.9 | 110.9 | Really Low | 04:20:50 - 04:50:50 | 6171 |
| Manson/Chelan | 04:35:46 | -16.3 | AT | Down | 17.1 | 113.4 | Really Low | 04:20:46 - 04:50:46 | 6166 |
| Wenatchee | 04:35:48 | -16.5 | AT | Down | 17.2 | 113.1 | Really Low | 04:20:48 - 04:50:48 | 6116 |
| Ellensburg | 04:35:50 | -16.7 | AT | Down | 17.2 | 112.8 | Really Low | 04:20:50 - 04:50:50 | 6071 |
| Yakima | 04:35:49 | -16.9 | AT | Down | 17.4 | 112.7 | Really Low | 04:20:49 - 04:50:49 | 6031 |
| Toppenish/White Swan | 04:35:50 | -17.1 | AT | Down | 17.6 | 112.8 | Really Low | 04:20:50 - 04:50:50 | 6012 |
| PNWRO | 04:35:48 | -18.2 | Dark | Down | 18.7 | 113.9 | Really Low | 04:20:48 - 04:50:48 | 6005 |
| The Dalles | 04:35:52 | -17.1 | AT | Down | 17.4 | 111.9 | Really Low | 04:20:52 - 04:50:52 | 5920 |
| Maupin | 04:35:52 | -17.4 | AT | Down | 17.6 | 111.9 | Really Low | 04:20:52 - 04:50:52 | 5880 |
| Sisters | 04:35:53 | -17.7 | AT | Down | 17.6 | 111.2 | Really Low | 04:20:53 - 04:50:53 | 5782 |
| Dunrhomin | 04:35:26 | -29.3 | Dark | Down | 30.1 | 123.1 | Up | 04:20:26 - 04:50:26 | 5772 |
| Bend | 04:35:53 | -18.0 | AT | Down | 17.8 | 111.4 | Really Low | 04:20:53 - 04:50:53 | 5763 |
| Nikitin | 04:35:27 | -29.5 | Dark | Down | 30.2 | 123.0 | Up | 04:20:27 - 04:50:27 | 5754 |
| CU-SBO | 04:35:26 | -29.5 | Dark | Down | 30.2 | 122.9 | Up | 04:20:26 - 04:50:26 | 5745 |
| Oregon Observatory | 04:35:53 | -18.0 | AT | Down | 17.8 | 111.2 | Really Low | 04:20:53 - 04:50:53 | 5743 |
| Chiloquin | 04:35:56 | -18.5 | Dark | Down | 18.0 | 110.5 | Really Low | 04:20:56 - 04:50:56 | 5601 |
| Klamath Falls | 04:35:55 | -18.7 | Dark | Down | 18.2 | 110.5 | Really Low | 04:20:55 - 04:50:55 | 5567 |
| Cedarville | 04:35:53 | -20.1 | Dark | Down | 19.5 | 111.5 | Really Low | 04:20:53 - 04:50:53 | 5528 |
| Fall River/Burney | 04:35:56 | -19.6 | Dark | Down | 18.9 | 110.4 | Really Low | 04:20:56 - 04:50:56 | 5454 |
| Gimple | 04:35:56 | -20.5 | Dark | Down | 19.6 | 110.5 | Really Low | 04:20:56 - 04:50:56 | 5371 |
| Greenville | 04:35:56 | -20.4 | Dark | Down | 19.5 | 110.4 | Really Low | 04:20:56 - 04:50:56 | 5369 |
| Quincy | 04:35:56 | -20.5 | Dark | Down | 19.6 | 110.4 | Really Low | 04:20:56 - 04:50:56 | 5348 |
| Portola | 04:35:56 | -20.9 | Dark | Down | 20.0 | 110.7 | Really Low | 04:20:56 - 04:50:56 | 5345 |
| Reno | 04:35:55 | -21.5 | Dark | Down | 20.5 | 111.1 | Low | 04:20:55 - 04:50:55 | 5332 |
| Carson City | 04:35:56 | -21.7 | Dark | Down | 20.7 | 110.9 | Low | 04:20:56 - 04:50:56 | 5295 |
| Yerington | 04:35:55 | -22.2 | Dark | Down | 21.2 | 111.3 | Low | 04:20:55 - 04:50:55 | 5289 |
| Gardnerville | 04:35:56 | -21.9 | Dark | Down | 20.8 | 110.9 | Low | 04:20:56 - 04:50:56 | 5271 |
| Hawthorne | 04:35:53 | -22.8 | Dark | Down | 21.7 | 111.6 | Low | 04:20:53 - 04:50:53 | 5252 |
| Lee Vining | 04:35:56 | -22.8 | Dark | Down | 21.6 | 111.0 | Low | 04:20:56 - 04:50:56 | 5183 |
| Bishop | 04:35:54 | -23.6 | Dark | Down | 22.3 | 111.3 | Low | 04:20:54 - 04:50:54 | 5137 |
| Beatty | 04:35:52 | -25.0 | Dark | Down | 23.7 | 112.3 | Low | 04:20:52 - 04:50:52 | 5128 |
| Patrick | 04:35:46 | -27.7 | Dark | Down | 26.4 | 113.8 | Low | 04:20:46 - 04:50:46 | 5046 |
| Laughlin/Bullhead City | 04:35:48 | -27.4 | Dark | Down | 26.0 | 113.1 | Low | 04:20:48 - 04:50:48 | 5002 |
| Lake Havasu City | 04:35:48 | -28.0 | Dark | Down | 26.5 | 113.0 | Low | 04:20:48 - 04:50:48 | 4939 |
| George/Scottsdale | 04:35:44 | -30.0 | Dark | Down | 28.6 | 114.5 | Low | 04:20:44 - 04:50:44 | 4925 |
| Idyllwild | 04:35:53 | -26.8 | Dark | Down | 24.9 | 111.0 | Low | 04:20:53 - 04:50:53 | 4799 |
| Wildwood | 04:35:55 | -25.4 | Dark | Down | 23.3 | 109.9 | Low | 04:20:55 - 04:50:55 | 4790 |
| Calipatria | 04:35:51 | -28.0 | Dark | Down | 26.1 | 111.6 | Low | 04:20:51 - 04:50:51 | 4765 |
| Yuma | 04:35:48 | -28.9 | Dark | Down | 26.9 | 112.0 | Low | 04:20:48 - 04:50:48 | 4743 |
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 523672, (2028/04/16 04:33UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 16.36 87 27Bet Lib 15:17:00.3 -09:22:59 2.6 15.93 62 PPM 179251 14:13:41.1 -00:50:47 6.5 2.01 80 102Ups Vir 14:19:32.3 -02:15:58 6.6 0.23 78 PPM 179272 14:19:24.2 -02:05:54 8.6 0.16 78 523672 14:20:02.5 -02:04:38 16.4 78 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:31:07 UT
Marc W. Buie, Southwest Research Institute