Event between (469362) 01KB77 and star GA0820:12636130 with event index number of 1737981
Geocentric closest approach at 2027/08/05 08:28:48 UTC
J2000 position of star is 18:45:54.7 -07:12:41
Equinox of date position of star is 18:47:14.0 -07:11:02
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=22.3
[RECON map]
Object is 28.4 AU from the Sun
and 27.6 AU from the Earth.
Apparent velocity is 19.2
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 409 seconds.
The 1-sigma cross-track error in the shadow position is
2424 km.
The sky-plane scale is
20012.1 km/arcsec.
The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 9.0 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 3:2E
Star training set for 469362, (2027/08/05 08:29UT) Object RA Dec mag sep mel Antares 16:31:06.2 -26:29:27 0.9 37.69 76 Nunki 18:56:58.4 -26:15:35 2.0 19.22 108 PPM 202054 18:44:05.5 -07:02:42 6.5 0.83 108 PPM 202092 18:46:02.7 -07:04:50 8.4 0.35 108 PPM 202108 18:46:42.6 -06:56:19 8.8 0.30 108 469362 18:47:24.1 -07:10:49 16.1 109 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
2.2 sigma about the mid-time.
The median site spacing is 26.1 km
RECON observability=1.0 and success probability=20.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 08:25:35 | -22.2 | Dark | Down | 23.4 | 222.0 | Low | 08:10:35 - 08:40:35 | 1097 |
| Kelowna | 08:25:31 | -23.0 | Dark | Down | 23.6 | 223.1 | Low | 08:10:31 - 08:40:31 | 1020 |
| Peachland | 08:25:31 | -23.1 | Dark | Down | 23.8 | 222.8 | Low | 08:10:31 - 08:40:31 | 1018 |
| Summerland | 08:25:31 | -23.3 | Dark | Down | 23.9 | 222.9 | Low | 08:10:31 - 08:40:31 | 1005 |
| Penticton | 08:25:30 | -23.3 | Dark | Down | 23.9 | 223.1 | Low | 08:10:30 - 08:40:30 | 998 |
| Victoria | 08:25:39 | -24.5 | Dark | Down | 26.3 | 219.6 | Low | 08:10:39 - 08:40:39 | 998 |
| Oliver | 08:25:30 | -23.7 | Dark | Down | 24.1 | 223.2 | Low | 08:10:30 - 08:40:30 | 972 |
| Anarchist Mountain Observatory | 08:25:29 | -23.8 | Dark | Down | 24.2 | 223.4 | Low | 08:10:29 - 08:40:29 | 955 |
| Sleaford | 08:25:03 | -19.0 | Dark | Down | 15.8 | 234.9 | Really Low | 08:10:03 - 08:40:03 | 944 |
| Okanogan | 08:25:28 | -24.5 | Dark | Down | 24.7 | 223.4 | Low | 08:10:28 - 08:40:28 | 911 |
| Brewster | 08:25:29 | -24.8 | Dark | Down | 25.0 | 223.3 | Low | 08:10:29 - 08:40:29 | 894 |
| Manson/Chelan | 08:25:29 | -25.0 | Dark | Down | 25.4 | 223.0 | Low | 08:10:29 - 08:40:29 | 886 |
| Wenatchee | 08:25:29 | -25.5 | Dark | Down | 25.8 | 223.0 | Low | 08:10:29 - 08:40:29 | 853 |
| Ellensburg | 08:25:29 | -25.9 | Dark | Down | 26.2 | 222.9 | Low | 08:10:29 - 08:40:29 | 825 |
| Yakima | 08:25:28 | -26.3 | Dark | Down | 26.5 | 223.0 | Low | 08:10:28 - 08:40:28 | 794 |
| Toppenish/White Swan | 08:25:27 | -26.5 | Dark | Down | 26.6 | 223.3 | Low | 08:10:27 - 08:40:27 | 774 |
| The Dalles | 08:25:28 | -27.3 | Dark | Down | 27.5 | 222.8 | Low | 08:10:28 - 08:40:28 | 729 |
| PNWRO | 08:25:22 | -26.8 | Dark | Down | 26.1 | 224.8 | Low | 08:10:22 - 08:40:22 | 714 |
| Maupin | 08:25:27 | -27.7 | Dark | Down | 27.8 | 223.0 | Low | 08:10:27 - 08:40:27 | 694 |
| Sisters | 08:25:28 | -28.6 | Dark | Down | 28.7 | 222.8 | Low | 08:10:28 - 08:40:28 | 634 |
| Bend | 08:25:27 | -28.9 | Dark | Down | 28.7 | 223.2 | Low | 08:10:27 - 08:40:27 | 610 |
| Oregon Observatory | 08:25:27 | -29.0 | Dark | Down | 28.9 | 223.1 | Low | 08:10:27 - 08:40:27 | 599 |
| Chiloquin | 08:25:26 | -30.4 | Dark | Down | 30.1 | 223.2 | Up | 08:10:26 - 08:40:26 | 500 |
| Klamath Falls | 08:25:26 | -30.7 | Dark | Down | 30.3 | 223.4 | Up | 08:10:26 - 08:40:26 | 470 |
| Cedarville | 08:25:20 | -31.3 | Dark | Down | 29.9 | 225.3 | Low | 08:10:20 - 08:40:20 | 377 |
| Fall River/Burney | 08:25:23 | -31.9 | Dark | Down | 30.9 | 224.3 | Up | 08:10:23 - 08:40:23 | 363 |
| Greenville | 08:25:20 | -32.8 | Dark | Down | 31.3 | 225.1 | Up | 08:10:20 - 08:40:20 | 277 |
| Gimple | 08:25:20 | -32.8 | Dark | Down | 31.3 | 225.2 | Up | 08:10:20 - 08:40:20 | 275 |
| Quincy | 08:25:20 | -33.0 | Dark | Down | 31.5 | 225.2 | Up | 08:10:20 - 08:40:20 | 259 |
| Portola | 08:25:18 | -33.1 | Dark | Down | 31.3 | 225.7 | Up | 08:10:18 - 08:40:18 | 238 |
| Reno | 08:25:16 | -33.3 | Dark | Down | 31.1 | 226.4 | Up | 08:10:16 - 08:40:16 | 200 |
| Carson City | 08:25:15 | -33.6 | Dark | Down | 31.4 | 226.6 | Up | 08:10:15 - 08:40:15 | 169 |
| Gardnerville | 08:25:15 | -33.9 | Dark | Down | 31.5 | 226.8 | Up | 08:10:15 - 08:40:15 | 146 |
| Yerington | 08:25:13 | -33.8 | Dark | Down | 31.2 | 227.3 | Up | 08:10:13 - 08:40:13 | 137 |
| Hawthorne | 08:25:11 | -34.2 | Dark | Down | 31.2 | 228.0 | Up | 08:10:11 - 08:40:11 | 84 |
| Lee Vining | 08:25:12 | -34.8 | Dark | Down | 31.8 | 227.8 | Up | 08:10:12 - 08:40:12 | 46 |
| Bishop | 08:25:09 | -35.3 | Dark | Down | 31.8 | 228.7 | Up | 08:10:09 - 08:40:09 | -24 |
| Dunrhomin | 08:24:35 | -30.0 | Dark | Down | 21.9 | 238.8 | Low | 08:09:35 - 08:39:35 | -57 |
| Nikitin | 08:24:34 | -30.1 | Dark | Down | 22.0 | 238.9 | Low | 08:09:34 - 08:39:34 | -73 |
| CU-SBO | 08:24:34 | -30.2 | Dark | Down | 22.1 | 238.8 | Low | 08:09:34 - 08:39:34 | -77 |
| Beatty | 08:25:03 | -35.6 | Dark | Down | 31.1 | 230.4 | Up | 08:10:03 - 08:40:03 | -104 |
| Patrick | 08:24:52 | -36.6 | Dark | Down | 30.2 | 233.7 | Up | 08:09:52 - 08:39:52 | -307 |
| Laughlin/Bullhead City | 08:24:54 | -37.0 | Dark | Down | 30.8 | 233.2 | Up | 08:09:54 - 08:39:54 | -313 |
| Wildwood | 08:25:06 | -38.6 | Dark | Down | 34.1 | 230.1 | Up | 08:10:06 - 08:40:06 | -316 |
| Lake Havasu City | 08:24:52 | -37.6 | Dark | Down | 31.1 | 233.7 | Up | 08:09:52 - 08:39:52 | -382 |
| Idyllwild | 08:24:59 | -38.7 | Dark | Down | 33.1 | 232.0 | Up | 08:09:59 - 08:39:59 | -394 |
| Calipatria | 08:24:55 | -39.1 | Dark | Down | 32.7 | 233.4 | Up | 08:09:55 - 08:39:55 | -481 |
| George/Scottsdale | 08:24:44 | -37.8 | Dark | Down | 29.9 | 236.1 | Low | 08:09:44 - 08:39:44 | -513 |
| Yuma | 08:24:51 | -39.4 | Dark | Down | 32.3 | 234.3 | Up | 08:09:51 - 08:39:51 | -543 |
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 469362, (2027/08/05 08:29UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 37.69 76 Nunki 18:55:15.9 -26:17:49 2.0 19.22 108 PPM 202054 18:42:36.1 -07:04:26 6.5 0.83 108 PPM 202092 18:44:33.4 -07:06:38 8.4 0.35 108 PPM 202108 18:45:13.3 -06:58:09 8.8 0.30 108 469362 18:45:54.7 -07:12:41 16.1 108 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:27:52 UT
Marc W. Buie, Southwest Research Institute