Event between 11QF99 and star GA1040:01220033 with event index number of 2124069
Geocentric closest approach at 2025/01/13 10:42:51 UTC
J2000 position of star is 05:51:36.2 +15:02:59
Equinox of date position of star is 05:52:57.5 +15:03:15
Stellar brightness G=13.7,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 23 degrees from the moon.
Moon is 100% illuminated.
Apparent brightness V=22.2
[RECON map]
Object is 17.0 AU from the Sun
and 16.1 AU from the Earth.
Apparent velocity is 20.0
km/sec on the sky relative to the star, or,
6.2 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is
665 km.
The sky-plane scale is
11686.3 km/arcsec.
The object has an absolute magnitude Hv=9.8
Diameter=66.4 km assuming a 5% albedo -- 3.3 sec chord
Diameter=27.1 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 11QF99, (2025/01/13 10:43UT) Object RA Dec mag sep mel Betelgeuse 05:56:31.7 +07:24:35 0.4 7.69 28 Bellatrix 05:26:28.5 +06:22:13 1.6 10.86 34 137 Tau 05:53:47.7 +14:10:34 5.5 0.90 24 PPM 121480 05:52:29.7 +14:39:42 8.4 0.41 24 PPM 121514 05:53:50.1 +15:10:45 10.0 0.23 23 11QF99 05:53:02.2 +15:03:16 13.7 23 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 25.0 km
RECON observability=0.9 and success probability=9.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 10:39:45 | -39.9 | Dark | Up | 18.4 | 271.1 | Really Low | 10:30:05 - 10:49:25 | 2358 |
| Kamloops | 10:39:54 | -48.7 | Dark | Up | 27.4 | 260.1 | Low | 10:30:14 - 10:49:34 | 2000 |
| Kelowna | 10:39:50 | -48.6 | Dark | Up | 27.0 | 261.2 | Low | 10:30:10 - 10:49:30 | 1954 |
| Peachland | 10:39:50 | -48.8 | Dark | Up | 27.2 | 261.0 | Low | 10:30:10 - 10:49:30 | 1941 |
| Summerland | 10:39:49 | -48.8 | Dark | Up | 27.2 | 261.2 | Low | 10:30:09 - 10:49:29 | 1931 |
| Penticton | 10:39:48 | -48.8 | Dark | Up | 27.1 | 261.3 | Low | 10:30:08 - 10:49:28 | 1928 |
| Oliver | 10:39:47 | -49.0 | Dark | Up | 27.2 | 261.5 | Low | 10:30:07 - 10:49:27 | 1901 |
| Anarchist Mountain Observatory | 10:39:46 | -48.9 | Dark | Up | 27.1 | 261.7 | Low | 10:30:06 - 10:49:26 | 1891 |
| Okanogan | 10:39:44 | -49.4 | Dark | Up | 27.3 | 261.9 | Low | 10:30:04 - 10:49:24 | 1837 |
| Brewster | 10:39:44 | -49.6 | Dark | Up | 27.5 | 261.9 | Low | 10:30:04 - 10:49:24 | 1812 |
| Manson/Chelan | 10:39:43 | -49.9 | Dark | Up | 27.8 | 261.7 | Low | 10:30:03 - 10:49:23 | 1788 |
| Victoria | 10:39:51 | -51.5 | Dark | Up | 29.8 | 258.7 | Low | 10:30:11 - 10:49:31 | 1780 |
| Wenatchee | 10:39:42 | -50.3 | Dark | Up | 28.0 | 261.8 | Low | 10:30:02 - 10:49:22 | 1747 |
| Ellensburg | 10:39:40 | -50.6 | Dark | Up | 28.2 | 261.8 | Low | 10:30:00 - 10:49:20 | 1710 |
| Yakima | 10:39:39 | -50.8 | Dark | Up | 28.2 | 262.0 | Low | 10:29:59 - 10:49:19 | 1677 |
| Toppenish/White Swan | 10:39:38 | -50.8 | Dark | Up | 28.2 | 262.3 | Low | 10:29:58 - 10:49:18 | 1663 |
| PNWRO | 10:39:34 | -50.0 | Dark | Up | 27.2 | 263.6 | Low | 10:29:54 - 10:49:14 | 1662 |
| The Dalles | 10:39:36 | -51.6 | Dark | Up | 28.8 | 262.1 | Low | 10:29:56 - 10:49:16 | 1584 |
| Maupin | 10:39:35 | -51.8 | Dark | Up | 28.8 | 262.4 | Low | 10:29:55 - 10:49:15 | 1552 |
| Dunrhomin | 10:38:57 | -42.0 | Dark | Up | 17.3 | 275.3 | Really Low | 10:29:17 - 10:48:37 | 1475 |
| Sisters | 10:39:32 | -52.5 | Dark | Up | 29.3 | 262.5 | Low | 10:29:52 - 10:49:12 | 1469 |
| Nikitin | 10:38:56 | -42.1 | Dark | Up | 17.3 | 275.3 | Really Low | 10:29:16 - 10:48:36 | 1459 |
| Bend | 10:39:31 | -52.4 | Dark | Up | 29.1 | 262.8 | Low | 10:29:51 - 10:49:11 | 1454 |
| CU-SBO | 10:38:56 | -42.1 | Dark | Up | 17.4 | 275.3 | Really Low | 10:29:16 - 10:48:36 | 1452 |
| Oregon Observatory | 10:39:31 | -52.6 | Dark | Up | 29.2 | 262.8 | Low | 10:29:51 - 10:49:11 | 1437 |
| Chiloquin | 10:39:27 | -53.4 | Dark | Up | 29.7 | 263.2 | Low | 10:29:47 - 10:49:07 | 1317 |
| Klamath Falls | 10:39:25 | -53.5 | Dark | Up | 29.7 | 263.5 | Low | 10:29:45 - 10:49:05 | 1289 |
| Cedarville | 10:39:20 | -52.7 | Dark | Up | 28.6 | 265.0 | Low | 10:29:40 - 10:49:00 | 1261 |
| Fall River/Burney | 10:39:21 | -53.7 | Dark | Up | 29.6 | 264.4 | Low | 10:29:41 - 10:49:01 | 1194 |
| Gimple | 10:39:17 | -53.6 | Dark | Up | 29.2 | 265.2 | Low | 10:29:37 - 10:48:57 | 1125 |
| Greenville | 10:39:17 | -53.7 | Dark | Up | 29.3 | 265.2 | Low | 10:29:37 - 10:48:57 | 1123 |
| Quincy | 10:39:16 | -53.8 | Dark | Up | 29.3 | 265.3 | Low | 10:29:36 - 10:48:56 | 1105 |
| Portola | 10:39:15 | -53.5 | Dark | Up | 29.0 | 265.7 | Low | 10:29:35 - 10:48:55 | 1104 |
| Reno | 10:39:13 | -53.1 | Dark | Up | 28.5 | 266.3 | Low | 10:29:33 - 10:48:53 | 1094 |
| Carson City | 10:39:12 | -53.2 | Dark | Up | 28.5 | 266.5 | Low | 10:29:32 - 10:48:52 | 1063 |
| Yerington | 10:39:10 | -52.8 | Dark | Up | 28.0 | 267.0 | Low | 10:29:30 - 10:48:50 | 1059 |
| Gardnerville | 10:39:11 | -53.2 | Dark | Up | 28.5 | 266.6 | Low | 10:29:31 - 10:48:51 | 1042 |
| Hawthorne | 10:39:07 | -52.5 | Dark | Up | 27.6 | 267.6 | Low | 10:29:27 - 10:48:47 | 1029 |
| Lee Vining | 10:39:06 | -53.0 | Dark | Up | 28.1 | 267.6 | Low | 10:29:26 - 10:48:46 | 968 |
| Bishop | 10:39:03 | -52.7 | Dark | Up | 27.5 | 268.3 | Low | 10:29:23 - 10:48:43 | 930 |
| Beatty | 10:38:59 | -51.5 | Dark | Up | 26.2 | 269.5 | Low | 10:29:19 - 10:48:39 | 924 |
| Patrick | 10:38:50 | -49.5 | Dark | Up | 23.9 | 271.9 | Low | 10:29:10 - 10:48:30 | 854 |
| Laughlin/Bullhead City | 10:38:50 | -50.1 | Dark | Up | 24.5 | 271.6 | Low | 10:29:10 - 10:48:30 | 815 |
| Lake Havasu City | 10:38:48 | -50.0 | Dark | Up | 24.3 | 272.1 | Low | 10:29:08 - 10:48:28 | 759 |
| George/Scottsdale | 10:38:42 | -48.1 | Dark | Up | 22.2 | 273.7 | Low | 10:29:02 - 10:48:22 | 745 |
| Idyllwild | 10:38:49 | -52.1 | Dark | Up | 26.2 | 271.1 | Low | 10:29:09 - 10:48:29 | 633 |
| Wildwood | 10:38:54 | -53.5 | Dark | Up | 27.8 | 269.9 | Low | 10:29:14 - 10:48:34 | 623 |
| Calipatria | 10:38:46 | -51.2 | Dark | Up | 25.2 | 272.0 | Low | 10:29:06 - 10:48:26 | 603 |
| Yuma | 10:38:43 | -50.5 | Dark | Up | 24.5 | 272.7 | Low | 10:29:03 - 10:48:23 | 584 |
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 11QF99, (2025/01/13 10:43UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.69 28 Bellatrix 05:25:07.8 +06:20:58 1.6 10.86 34 137 Tau 05:52:22.2 +14:10:18 5.5 0.90 24 PPM 121480 05:51:04.0 +14:39:24 8.4 0.41 24 PPM 121514 05:52:24.0 +15:10:30 10.0 0.23 23 11QF99 05:51:36.2 +15:02:59 13.7 23 Positions are for J2000
Event circumstances last updated at 2023/09/01 03:12:01 UT
Marc W. Buie, Southwest Research Institute