Event between (523677) 13UF15 and star GA1160:00789827 with event index number of 2087889
Geocentric closest approach at 2027/10/05 11:17:18 UTC
J2000 position of star is 04:28:04.8 +27:59:39
Equinox of date position of star is 04:29:34.2 +28:02:45
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 170 degrees from the moon.
Moon is 31% illuminated.
Apparent brightness V=21.8
[RECON map]
Object is 35.7 AU from the Sun
and 35.1 AU from the Earth.
Apparent velocity is 11.5
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 199 seconds.
The 1-sigma cross-track error in the shadow position is
1471 km.
The sky-plane scale is
25468.4 km/arcsec.
The object has an absolute magnitude Hv=6.2
Diameter=342.0 km assuming a 5% albedo -- 30.0 sec chord
Diameter=139.6 km assuming a 30% albedo -- 12.2 sec chord
Dynamical classification is 5:3EE
Star training set for 523677, (2027/10/05 11:15UT) Object RA Dec mag sep mel Aldebaran 04:37:31.0 +16:33:47 0.8 11.63 167 3Iot Aur 04:58:48.4 +33:12:26 2.7 8.09 173 PPM 093607 04:36:22.5 +29:01:00 5.7 1.73 171 PPM 093537 04:30:01.3 +27:50:26 8.1 0.22 170 523677 04:29:48.4 +28:03:14 16.4 171 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
4.5 sigma about the mid-time.
The median site spacing is 32.8 km
RECON observability=1.0 and success probability=10.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:16:58 | -18.2 | Dark | Down | 64.7 | 201.5 | Up | 11:01:58 - 11:31:58 | 3479 |
| Kamloops | 11:18:20 | -26.9 | Dark | Down | 67.1 | 171.1 | Up | 11:03:20 - 11:33:20 | 3149 |
| Kelowna | 11:18:13 | -26.8 | Dark | Down | 68.0 | 172.9 | Up | 11:03:13 - 11:33:13 | 3075 |
| Peachland | 11:18:15 | -27.0 | Dark | Down | 68.1 | 172.1 | Up | 11:03:15 - 11:33:15 | 3060 |
| Summerland | 11:18:14 | -27.0 | Dark | Down | 68.3 | 172.3 | Up | 11:03:14 - 11:33:14 | 3046 |
| Penticton | 11:18:13 | -27.0 | Dark | Down | 68.3 | 172.5 | Up | 11:03:13 - 11:33:13 | 3040 |
| Oliver | 11:18:13 | -27.1 | Dark | Down | 68.7 | 172.4 | Up | 11:03:13 - 11:33:13 | 3004 |
| Anarchist Mountain Observatory | 11:18:12 | -27.1 | Dark | Down | 68.9 | 172.8 | Up | 11:03:12 - 11:33:12 | 2988 |
| Okanogan | 11:18:12 | -27.5 | Dark | Down | 69.5 | 172.1 | Up | 11:03:12 - 11:33:12 | 2919 |
| Victoria | 11:18:37 | -29.6 | Dark | Down | 68.8 | 163.0 | Up | 11:03:37 - 11:33:37 | 2901 |
| Brewster | 11:18:13 | -27.7 | Dark | Down | 69.7 | 171.5 | Up | 11:03:13 - 11:33:13 | 2889 |
| Manson/Chelan | 11:18:15 | -28.0 | Dark | Down | 69.9 | 170.5 | Up | 11:03:15 - 11:33:15 | 2864 |
| Wenatchee | 11:18:16 | -28.4 | Dark | Down | 70.4 | 169.8 | Up | 11:03:16 - 11:33:16 | 2813 |
| Ellensburg | 11:18:17 | -28.7 | Dark | Down | 70.7 | 169.0 | Up | 11:03:17 - 11:33:17 | 2767 |
| Yakima | 11:18:17 | -28.9 | Dark | Down | 71.1 | 168.7 | Up | 11:03:17 - 11:33:17 | 2724 |
| Toppenish/White Swan | 11:18:15 | -28.9 | Dark | Down | 71.4 | 169.1 | Up | 11:03:15 - 11:33:15 | 2703 |
| PNWRO | 11:18:06 | -28.1 | Dark | Down | 71.9 | 172.9 | Up | 11:03:06 - 11:33:06 | 2681 |
| The Dalles | 11:18:21 | -29.7 | Dark | Down | 72.0 | 166.4 | Up | 11:03:21 - 11:33:21 | 2614 |
| Maupin | 11:18:20 | -29.8 | Dark | Down | 72.4 | 166.4 | Up | 11:03:20 - 11:33:20 | 2571 |
| Sisters | 11:18:22 | -30.5 | Dark | Down | 73.2 | 164.3 | Up | 11:03:22 - 11:33:22 | 2472 |
| Bend | 11:18:19 | -30.5 | Dark | Down | 73.5 | 164.8 | Up | 11:03:19 - 11:33:19 | 2450 |
| Oregon Observatory | 11:18:20 | -30.6 | Dark | Down | 73.6 | 164.3 | Up | 11:03:20 - 11:33:20 | 2430 |
| Dunrhomin | 11:16:21 | -20.7 | Dark | Down | 74.8 | 219.3 | Up | 11:01:21 - 11:31:21 | 2296 |
| Chiloquin | 11:18:22 | -31.5 | Dark | Down | 74.8 | 161.6 | Up | 11:03:22 - 11:33:22 | 2285 |
| Nikitin | 11:16:21 | -20.7 | Dark | Down | 75.0 | 219.7 | Up | 11:01:21 - 11:31:21 | 2276 |
| CU-SBO | 11:16:22 | -20.8 | Dark | Down | 75.1 | 219.6 | Up | 11:01:22 - 11:31:22 | 2268 |
| Klamath Falls | 11:18:21 | -31.5 | Dark | Down | 75.1 | 161.5 | Up | 11:03:21 - 11:33:21 | 2249 |
| Cedarville | 11:18:09 | -30.8 | Dark | Down | 76.1 | 166.1 | Up | 11:03:09 - 11:33:09 | 2192 |
| Fall River/Burney | 11:18:17 | -31.8 | Dark | Down | 76.3 | 161.2 | Up | 11:03:17 - 11:33:17 | 2126 |
| Gimple | 11:18:12 | -31.8 | Dark | Down | 77.3 | 161.9 | Up | 11:03:12 - 11:33:12 | 2034 |
| Greenville | 11:18:13 | -31.9 | Dark | Down | 77.3 | 161.6 | Up | 11:03:13 - 11:33:13 | 2033 |
| Quincy | 11:18:14 | -31.9 | Dark | Down | 77.5 | 161.3 | Up | 11:03:14 - 11:33:14 | 2012 |
| Portola | 11:18:09 | -31.7 | Dark | Down | 77.7 | 163.0 | Up | 11:03:09 - 11:33:09 | 2003 |
| Reno | 11:18:04 | -31.3 | Dark | Down | 78.1 | 165.2 | Up | 11:03:04 - 11:33:04 | 1982 |
| Carson City | 11:18:04 | -31.4 | Dark | Down | 78.5 | 164.9 | Up | 11:03:04 - 11:33:04 | 1943 |
| Yerington | 11:17:59 | -31.1 | Dark | Down | 78.8 | 167.3 | Up | 11:02:59 - 11:32:59 | 1930 |
| Gardnerville | 11:18:04 | -31.5 | Dark | Down | 78.7 | 164.8 | Up | 11:03:04 - 11:33:04 | 1917 |
| Hawthorne | 11:17:54 | -30.9 | Dark | Down | 79.3 | 169.2 | Up | 11:02:54 - 11:32:54 | 1886 |
| Lee Vining | 11:17:57 | -31.4 | Dark | Down | 79.8 | 166.2 | Up | 11:02:57 - 11:32:57 | 1819 |
| Bishop | 11:17:51 | -31.1 | Dark | Down | 80.5 | 169.0 | Up | 11:02:51 - 11:32:51 | 1763 |
| Beatty | 11:17:38 | -30.0 | Dark | Down | 81.1 | 177.4 | Up | 11:02:38 - 11:32:38 | 1735 |
| Patrick | 11:17:14 | -28.3 | Dark | Down | 82.3 | 195.6 | Up | 11:02:14 - 11:32:14 | 1618 |
| Laughlin/Bullhead City | 11:17:20 | -28.9 | Dark | Down | 82.7 | 191.5 | Up | 11:02:20 - 11:32:20 | 1580 |
| Lake Havasu City | 11:17:16 | -28.9 | Dark | Down | 83.3 | 194.5 | Up | 11:02:16 - 11:32:16 | 1511 |
| George/Scottsdale | 11:16:56 | -27.2 | Dark | Down | 83.2 | 213.8 | Up | 11:01:56 - 11:31:56 | 1469 |
| Wildwood | 11:17:49 | -32.3 | Dark | Down | 83.6 | 161.8 | Up | 11:02:49 - 11:32:49 | 1404 |
| Idyllwild | 11:17:34 | -31.0 | Dark | Down | 84.2 | 176.2 | Up | 11:02:34 - 11:32:34 | 1392 |
| Calipatria | 11:17:23 | -30.2 | Dark | Down | 84.8 | 187.0 | Up | 11:02:23 - 11:32:23 | 1343 |
| Yuma | 11:17:16 | -29.6 | Dark | Down | 85.1 | 196.6 | Up | 11:02:16 - 11:32:16 | 1310 |
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 523677, (2027/10/05 11:15UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 11.63 167 3Iot Aur 04:56:59.6 +33:09:58 2.7 8.09 173 PPM 093607 04:34:38.0 +28:57:40 5.7 1.73 171 PPM 093537 04:28:17.9 +27:46:51 8.1 0.22 170 523677 04:28:04.8 +27:59:39 16.4 170 Positions are for J2000
Event circumstances last updated at 2023/12/17 04:32:46 UT
Marc W. Buie, Southwest Research Institute