Event between (459865) 13XZ8 and star GA0720:27287225 with event index number of 2286025
Geocentric closest approach at 2027/06/23 09:29:05 UTC
J2000 position of star is 18:43:31.0 -17:10:40
Equinox of date position of star is 18:44:56.2 -17:09:06
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 39 degrees from the moon.
Moon is 84% illuminated.
Apparent brightness V=19.9
[RECON map]
Object is 11.2 AU from the Sun
and 10.2 AU from the Earth.
Apparent velocity is 20.9
km/sec on the sky relative to the star, or,
10.2 arcsec/hr.
The 1-sigma error in the time of the event is 52 seconds.
The 1-sigma cross-track error in the shadow position is
629 km.
The sky-plane scale is
7419.0 km/arcsec.
The object has an absolute magnitude Hv=9.5
Diameter=70.8 km assuming a 5% albedo -- 3.6 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 459865, (2027/06/23 09:30UT) Object RA Dec mag sep mel Antares 16:31:05.8 -26:29:26 0.9 32.37 70 Nunki 18:56:58.0 -26:15:36 2.0 9.52 37 PPM 234930 18:44:32.2 -19:15:20 6.1 2.11 39 PPM 234948 18:45:27.1 -16:54:44 7.8 0.25 39 PPM 234931 18:44:31.4 -17:14:50 9.6 0.17 39 459865 18:45:06.6 -17:08:55 16.2 39 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 19.4 km
RECON observability=0.8 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 | 09:28:13 | -8.3 | NT | Up | 17.0 | 206.5 | Really Low | 09:23:22 - 09:33:03 | 6468 |
| Kamloops | 09:28:55 | -13.5 | AT | Up | 21.3 | 192.6 | Low | 09:24:05 - 09:33:46 | 6410 |
| Kelowna | 09:28:51 | -14.1 | AT | Up | 22.0 | 193.6 | Low | 09:24:00 - 09:33:41 | 6379 |
| Peachland | 09:28:52 | -14.3 | AT | Up | 22.1 | 193.3 | Low | 09:24:01 - 09:33:42 | 6373 |
| Summerland | 09:28:51 | -14.4 | AT | Up | 22.2 | 193.4 | Low | 09:24:01 - 09:33:42 | 6367 |
| Penticton | 09:28:51 | -14.4 | AT | Up | 22.3 | 193.5 | Low | 09:24:01 - 09:33:42 | 6365 |
| Oliver | 09:28:51 | -14.8 | AT | Up | 22.6 | 193.6 | Low | 09:24:00 - 09:33:41 | 6350 |
| Anarchist Mountain Observatory | 09:28:50 | -14.9 | AT | Up | 22.8 | 193.8 | Low | 09:23:59 - 09:33:40 | 6343 |
| Okanogan | 09:28:50 | -15.5 | AT | Up | 23.4 | 193.6 | Low | 09:23:59 - 09:33:40 | 6314 |
| Victoria | 09:29:03 | -16.2 | AT | Up | 23.8 | 189.7 | Low | 09:24:13 - 09:33:54 | 6307 |
| Brewster | 09:28:51 | -15.8 | AT | Up | 23.7 | 193.4 | Low | 09:24:00 - 09:33:41 | 6301 |
| Manson/Chelan | 09:28:51 | -16.1 | AT | Up | 24.0 | 193.1 | Low | 09:24:01 - 09:33:42 | 6291 |
| Wenatchee | 09:28:51 | -16.6 | AT | Up | 24.5 | 193.0 | Low | 09:24:01 - 09:33:42 | 6268 |
| Ellensburg | 09:28:52 | -17.0 | AT | Up | 24.9 | 192.8 | Low | 09:24:01 - 09:33:42 | 6248 |
| Yakima | 09:28:52 | -17.4 | AT | Up | 25.3 | 192.8 | Low | 09:24:01 - 09:33:42 | 6229 |
| Toppenish/White Swan | 09:28:50 | -17.6 | AT | Up | 25.5 | 193.0 | Low | 09:24:00 - 09:33:41 | 6219 |
| PNWRO | 09:28:45 | -17.6 | AT | Up | 25.6 | 194.6 | Low | 09:23:55 - 09:33:36 | 6206 |
| The Dalles | 09:28:53 | -18.5 | Dark | Up | 26.4 | 192.3 | Low | 09:24:02 - 09:33:43 | 6178 |
| Maupin | 09:28:52 | -18.9 | Dark | Up | 26.8 | 192.4 | Low | 09:24:02 - 09:33:43 | 6158 |
| Sisters | 09:28:53 | -19.8 | Dark | Up | 27.7 | 192.0 | Low | 09:24:03 - 09:33:44 | 6112 |
| Bend | 09:28:51 | -20.0 | Dark | Up | 27.9 | 192.3 | Low | 09:24:01 - 09:33:42 | 6101 |
| Oregon Observatory | 09:28:52 | -20.2 | Dark | Up | 28.1 | 192.2 | Low | 09:24:01 - 09:33:42 | 6091 |
| Chiloquin | 09:28:52 | -21.5 | Dark | Up | 29.4 | 191.9 | Low | 09:24:01 - 09:33:42 | 6019 |
| Klamath Falls | 09:28:52 | -21.8 | Dark | Up | 29.8 | 192.0 | Low | 09:24:01 - 09:33:42 | 6001 |
| Cedarville | 09:28:45 | -22.1 | Dark | Up | 30.2 | 193.8 | Up | 09:23:54 - 09:33:35 | 5968 |
| Fall River/Burney | 09:28:49 | -22.8 | Dark | Up | 30.8 | 192.5 | Up | 09:23:59 - 09:33:40 | 5936 |
| Dunrhomin | 09:27:48 | -17.9 | AT | Up | 27.2 | 209.5 | Low | 09:22:57 - 09:32:38 | 5896 |
| Nikitin | 09:27:47 | -18.1 | Dark | Up | 27.4 | 209.5 | Low | 09:22:56 - 09:32:37 | 5885 |
| Gimple | 09:28:46 | -23.6 | Dark | Up | 31.6 | 193.2 | Up | 09:23:56 - 09:33:37 | 5885 |
| Greenville | 09:28:46 | -23.6 | Dark | Up | 31.7 | 193.1 | Up | 09:23:56 - 09:33:37 | 5885 |
| CU-SBO | 09:27:47 | -18.2 | Dark | Up | 27.5 | 209.4 | Low | 09:22:57 - 09:32:38 | 5882 |
| Quincy | 09:28:46 | -23.8 | Dark | Up | 31.9 | 193.2 | Up | 09:23:55 - 09:33:36 | 5873 |
| Portola | 09:28:44 | -23.7 | Dark | Up | 31.9 | 193.7 | Up | 09:23:54 - 09:33:35 | 5868 |
| Reno | 09:28:42 | -23.8 | Dark | Up | 32.0 | 194.5 | Up | 09:23:51 - 09:33:32 | 5854 |
| Carson City | 09:28:41 | -24.1 | Dark | Up | 32.4 | 194.5 | Up | 09:23:51 - 09:33:32 | 5833 |
| Yerington | 09:28:38 | -24.1 | Dark | Up | 32.4 | 195.3 | Up | 09:23:48 - 09:33:29 | 5823 |
| Gardnerville | 09:28:41 | -24.4 | Dark | Up | 32.6 | 194.6 | Up | 09:23:50 - 09:33:31 | 5818 |
| Hawthorne | 09:28:36 | -24.4 | Dark | Up | 32.8 | 195.9 | Up | 09:23:45 - 09:33:26 | 5796 |
| Lee Vining | 09:28:37 | -25.1 | Dark | Up | 33.4 | 195.5 | Up | 09:23:46 - 09:33:27 | 5760 |
| Bishop | 09:28:33 | -25.4 | Dark | Up | 33.8 | 196.4 | Up | 09:23:43 - 09:33:24 | 5725 |
| Beatty | 09:28:27 | -25.3 | Dark | Up | 33.9 | 198.3 | Up | 09:23:36 - 09:33:17 | 5699 |
| Patrick | 09:28:13 | -25.6 | Dark | Up | 34.5 | 201.8 | Up | 09:23:22 - 09:33:03 | 5606 |
| Laughlin/Bullhead City | 09:28:15 | -26.1 | Dark | Up | 35.0 | 201.0 | Up | 09:23:25 - 09:33:06 | 5589 |
| Lake Havasu City | 09:28:14 | -26.6 | Dark | Up | 35.5 | 201.5 | Up | 09:23:23 - 09:33:04 | 5544 |
| Wildwood | 09:28:31 | -28.5 | Dark | Up | 37.0 | 196.8 | Up | 09:23:40 - 09:33:21 | 5509 |
| George/Scottsdale | 09:28:03 | -26.3 | Dark | Up | 35.4 | 204.4 | Up | 09:23:12 - 09:32:53 | 5492 |
| Idyllwild | 09:28:23 | -28.1 | Dark | Up | 36.9 | 199.0 | Up | 09:23:32 - 09:33:13 | 5490 |
| Calipatria | 09:28:17 | -28.3 | Dark | Up | 37.1 | 200.5 | Up | 09:23:27 - 09:33:08 | 5449 |
| Yuma | 09:28:13 | -28.3 | Dark | Up | 37.3 | 201.6 | Up | 09:23:22 - 09:33:03 | 5420 |
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 459865, (2027/06/23 09:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.37 70 Nunki 18:55:15.9 -26:17:49 2.0 9.52 37 PPM 234930 18:42:55.1 -19:17:04 6.1 2.11 39 PPM 234948 18:43:51.7 -16:56:30 7.8 0.25 39 PPM 234931 18:42:55.7 -17:16:35 9.6 0.17 39 459865 18:43:31.0 -17:10:40 16.2 39 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:29:12 UT
Marc W. Buie, Southwest Research Institute