Event between (612243) 01QR322 and star GA1060:00342767 with event index number of 2811898
Geocentric closest approach at 2025/11/28 11:35:46 UTC
J2000 position of star is 03:11:39.9 +16:26:45
Equinox of date position of star is 03:13:00.4 +16:32:05
Stellar brightness G=13.7,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 71 degrees from the moon.
Moon is 52% illuminated.
Apparent brightness V=22.9
[RECON map]
Object is 30.4 AU from the Sun
and 29.4 AU from the Earth.
Apparent velocity is 23.5
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 208 seconds.
The 1-sigma cross-track error in the shadow position is
1988 km.
The sky-plane scale is
21336.0 km/arcsec.
The object has an absolute magnitude Hv=8.1
Diameter=143.2 km assuming a 5% albedo -- 6.1 sec chord
Diameter=58.5 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is 1:1
Star training set for 612243, (2025/11/28 11:32UT) Object RA Dec mag sep mel Aldebaran 04:37:24.6 +16:33:34 0.8 20.19 91 Menkar 03:03:38.2 +04:11:24 2.5 12.57 66 57Del Ari 03:13:06.9 +19:49:23 4.3 3.28 72 PPM 118908 03:13:52.2 +16:36:45 7.7 0.19 71 612243 03:13:07.2 +16:32:32 13.7 72 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
4.3 sigma about the mid-time.
The median site spacing is 28.8 km
RECON observability=0.8 and success probability=27.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 11:32:13 | -28.8 | Dark | Down | 14.8 | 277.9 | Really Low | 11:17:13 - 11:47:13 | 1682 |
| Kamloops | 11:32:43 | -37.9 | Dark | Down | 23.7 | 267.3 | Low | 11:17:43 - 11:47:43 | 1435 |
| Kelowna | 11:32:17 | -37.5 | Dark | Down | 23.2 | 268.3 | Low | 11:17:17 - 11:47:17 | 1267 |
| Peachland | 11:32:17 | -37.7 | Dark | Down | 23.4 | 268.1 | Low | 11:17:17 - 11:47:17 | 1253 |
| Summerland | 11:32:17 | -37.7 | Dark | Down | 23.3 | 268.2 | Low | 11:17:17 - 11:47:17 | 1240 |
| Penticton | 11:32:16 | -37.7 | Dark | Down | 23.3 | 268.3 | Low | 11:17:16 - 11:47:16 | 1235 |
| Oliver | 11:32:15 | -37.7 | Dark | Down | 23.3 | 268.5 | Low | 11:17:15 - 11:47:15 | 1202 |
| Anarchist Mountain Observatory | 11:32:15 | -37.6 | Dark | Down | 23.2 | 268.7 | Low | 11:17:15 - 11:47:15 | 1188 |
| Okanogan | 11:32:13 | -37.9 | Dark | Down | 23.3 | 268.8 | Low | 11:17:13 - 11:47:13 | 1123 |
| Brewster | 11:32:13 | -38.1 | Dark | Down | 23.5 | 268.8 | Low | 11:17:13 - 11:47:13 | 1095 |
| Victoria | 11:32:19 | -40.3 | Dark | Down | 25.8 | 265.8 | Low | 11:17:19 - 11:47:19 | 1089 |
| Manson/Chelan | 11:32:13 | -38.4 | Dark | Down | 23.7 | 268.6 | Low | 11:17:13 - 11:47:13 | 1069 |
| Wenatchee | 11:32:12 | -38.6 | Dark | Down | 23.9 | 268.6 | Low | 11:17:12 - 11:47:12 | 1021 |
| Ellensburg | 11:32:12 | -38.8 | Dark | Down | 24.0 | 268.7 | Low | 11:17:12 - 11:47:12 | 978 |
| Yakima | 11:32:10 | -38.9 | Dark | Down | 24.0 | 268.8 | Low | 11:17:10 - 11:47:10 | 938 |
| Toppenish/White Swan | 11:32:10 | -38.8 | Dark | Down | 23.9 | 269.1 | Low | 11:17:10 - 11:47:10 | 919 |
| PNWRO | 11:32:07 | -37.8 | Dark | Down | 22.9 | 270.3 | Low | 11:17:07 - 11:47:07 | 905 |
| The Dalles | 11:32:09 | -39.5 | Dark | Down | 24.5 | 268.8 | Low | 11:17:09 - 11:47:09 | 832 |
| Maupin | 11:32:08 | -39.5 | Dark | Down | 24.4 | 269.1 | Low | 11:17:08 - 11:47:08 | 792 |
| Sisters | 11:32:07 | -40.0 | Dark | Down | 24.8 | 269.1 | Low | 11:17:07 - 11:47:07 | 698 |
| Bend | 11:32:06 | -39.8 | Dark | Down | 24.6 | 269.4 | Low | 11:17:06 - 11:47:06 | 678 |
| Oregon Observatory | 11:32:06 | -39.9 | Dark | Down | 24.7 | 269.4 | Low | 11:17:06 - 11:47:06 | 659 |
| Dunrhomin | 11:31:44 | -28.0 | Dark | Down | 12.4 | 281.1 | Really Low | 11:16:44 - 11:46:44 | 595 |
| Nikitin | 11:31:43 | -28.0 | Dark | Down | 12.4 | 281.2 | Really Low | 11:16:43 - 11:46:43 | 577 |
| CU-SBO | 11:31:43 | -28.1 | Dark | Down | 12.5 | 281.1 | Really Low | 11:16:43 - 11:46:43 | 569 |
| Chiloquin | 11:32:04 | -40.4 | Dark | Down | 25.0 | 269.7 | Low | 11:17:04 - 11:47:04 | 521 |
| Klamath Falls | 11:32:03 | -40.4 | Dark | Down | 25.0 | 269.9 | Low | 11:17:03 - 11:47:03 | 487 |
| Cedarville | 11:31:59 | -39.3 | Dark | Down | 23.8 | 271.3 | Low | 11:16:59 - 11:46:59 | 441 |
| Fall River/Burney | 11:32:00 | -40.3 | Dark | Down | 24.7 | 270.7 | Low | 11:17:00 - 11:47:00 | 373 |
| Gimple | 11:31:58 | -40.0 | Dark | Down | 24.3 | 271.5 | Low | 11:16:58 - 11:46:58 | 288 |
| Greenville | 11:31:58 | -40.0 | Dark | Down | 24.3 | 271.4 | Low | 11:16:58 - 11:46:58 | 287 |
| Quincy | 11:31:57 | -40.0 | Dark | Down | 24.3 | 271.5 | Low | 11:16:57 - 11:46:57 | 266 |
| Portola | 11:31:57 | -39.7 | Dark | Down | 24.0 | 271.9 | Low | 11:16:57 - 11:46:57 | 261 |
| Reno | 11:31:55 | -39.2 | Dark | Down | 23.5 | 272.4 | Low | 11:16:55 - 11:46:55 | 244 |
| Carson City | 11:31:55 | -39.2 | Dark | Down | 23.4 | 272.6 | Low | 11:16:55 - 11:46:55 | 207 |
| Yerington | 11:31:53 | -38.7 | Dark | Down | 22.9 | 273.0 | Low | 11:16:53 - 11:46:53 | 197 |
| Gardnerville | 11:31:54 | -39.2 | Dark | Down | 23.4 | 272.7 | Low | 11:16:54 - 11:46:54 | 183 |
| Hawthorne | 11:31:52 | -38.3 | Dark | Down | 22.5 | 273.6 | Low | 11:16:52 - 11:46:52 | 158 |
| Lee Vining | 11:31:52 | -38.8 | Dark | Down | 22.8 | 273.5 | Low | 11:16:52 - 11:46:52 | 92 |
| Bishop | 11:31:50 | -38.2 | Dark | Down | 22.2 | 274.2 | Low | 11:16:50 - 11:46:50 | 42 |
| Beatty | 11:31:47 | -36.9 | Dark | Down | 20.9 | 275.3 | Low | 11:16:47 - 11:46:47 | 22 |
| Patrick | 11:31:41 | -34.5 | Dark | Down | 18.4 | 277.4 | Really Low | 11:16:41 - 11:46:41 | -77 |
| Laughlin/Bullhead City | 11:31:42 | -35.1 | Dark | Down | 19.0 | 277.1 | Really Low | 11:16:42 - 11:46:42 | -117 |
| Lake Havasu City | 11:31:40 | -34.9 | Dark | Down | 18.7 | 277.5 | Really Low | 11:16:40 - 11:46:40 | -182 |
| George/Scottsdale | 11:31:37 | -32.8 | Dark | Down | 16.6 | 279.0 | Really Low | 11:16:37 - 11:46:37 | -213 |
| Wildwood | 11:31:45 | -38.4 | Dark | Down | 22.2 | 275.4 | Low | 11:16:45 - 11:46:45 | -304 |
| Idyllwild | 11:31:42 | -36.8 | Dark | Down | 20.6 | 276.5 | Low | 11:16:42 - 11:46:42 | -307 |
| Calipatria | 11:31:40 | -35.8 | Dark | Down | 19.5 | 277.3 | Really Low | 11:16:40 - 11:46:40 | -349 |
| Yuma | 11:31:38 | -35.0 | Dark | Down | 18.7 | 277.9 | Really Low | 11:16:38 - 11:46:38 | -377 |
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 612243, (2025/11/28 11:32UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 20.19 91 Menkar 03:02:16.8 +04:05:21 2.5 12.57 66 57Del Ari 03:11:38.0 +19:43:36 4.3 3.28 72 PPM 118908 03:12:24.9 +16:30:59 7.7 0.19 71 612243 03:11:39.9 +16:26:45 13.7 71 Positions are for J2000
Event circumstances last updated at 2023/11/18 04:58:48 UT
Marc W. Buie, Southwest Research Institute