Event between 10PT66 and star GA0740:00055255 with event index number of 2102067
Geocentric closest approach at 2024/08/11 08:00:09 UTC
J2000 position of star is 00:40:18.8 -15:18:38
Equinox of date position of star is 00:41:30.9 -15:10:45
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 38% illuminated.
Apparent brightness V=21.9
[RECON map]
Object is 39.9 AU from the Sun
and 39.2 AU from the Earth.
Apparent velocity is 17.3
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 128 seconds.
The 1-sigma cross-track error in the shadow position is
1994 km.
The sky-plane scale is
28413.3 km/arcsec.
The object has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 24.4 sec chord
Diameter=166.3 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 10PT66, (2024/08/11 08:03UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.2 -29:29:28 1.2 27.59 116 Diphda 00:44:49.4 -17:51:07 2.0 2.79 141 PPM 209028 00:37:17.4 -14:50:17 6.5 1.08 142 PPM 209085 00:39:25.8 -16:06:37 8.0 1.06 142 PPM 209135 00:41:32.0 -15:13:10 9.5 0.04 143 10PT66 00:41:32.9 -15:10:32 15.8 143 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 28.7 km
RECON observability=0.3 and success probability=8.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 07:58:43 | -26.2 | Dark | Down | 10.5 | 127.9 | Really Low | 07:47:33 - 08:09:53 | 930 |
| Chiloquin | 07:59:09 | -32.3 | Dark | Down | 15.1 | 128.2 | Really Low | 07:47:59 - 08:10:19 | 915 |
| Klamath Falls | 07:59:11 | -32.6 | Dark | Down | 15.3 | 128.2 | Really Low | 07:48:01 - 08:10:21 | 912 |
| Sisters | 07:59:00 | -30.6 | Dark | Down | 14.1 | 128.8 | Really Low | 07:47:50 - 08:10:10 | 910 |
| Oregon Observatory | 07:59:02 | -31.0 | Dark | Down | 14.5 | 128.8 | Really Low | 07:47:52 - 08:10:12 | 907 |
| Bend | 07:59:00 | -30.8 | Dark | Down | 14.4 | 128.9 | Really Low | 07:47:50 - 08:10:10 | 903 |
| The Dalles | 07:58:52 | -29.3 | Dark | Down | 13.5 | 129.3 | Really Low | 07:47:42 - 08:10:02 | 897 |
| Fall River/Burney | 07:59:16 | -33.8 | Dark | Down | 16.3 | 128.3 | Really Low | 07:48:06 - 08:10:26 | 897 |
| Maupin | 07:58:54 | -29.7 | Dark | Down | 13.8 | 129.3 | Really Low | 07:47:44 - 08:10:04 | 896 |
| Greenville | 07:59:19 | -34.7 | Dark | Down | 17.1 | 128.4 | Really Low | 07:48:09 - 08:10:29 | 879 |
| Yakima | 07:58:46 | -28.3 | Dark | Down | 13.2 | 130.0 | Really Low | 07:47:36 - 08:09:56 | 879 |
| Quincy | 07:59:20 | -34.9 | Dark | Down | 17.3 | 128.4 | Really Low | 07:48:10 - 08:10:30 | 877 |
| Gimple | 07:59:19 | -34.7 | Dark | Down | 17.2 | 128.5 | Really Low | 07:48:09 - 08:10:29 | 877 |
| Ellensburg | 07:58:44 | -27.9 | Dark | Down | 12.9 | 130.1 | Really Low | 07:47:34 - 08:09:54 | 876 |
| Toppenish/White Swan | 07:58:46 | -28.5 | Dark | Down | 13.4 | 130.1 | Really Low | 07:47:36 - 08:09:56 | 875 |
| Wenatchee | 07:58:41 | -27.5 | Dark | Down | 12.8 | 130.3 | Really Low | 07:47:31 - 08:09:51 | 869 |
| Cedarville | 07:59:10 | -33.4 | Dark | Down | 16.7 | 129.3 | Really Low | 07:48:00 - 08:10:20 | 867 |
| Portola | 07:59:20 | -35.1 | Dark | Down | 17.6 | 128.7 | Really Low | 07:48:10 - 08:10:30 | 864 |
| Manson/Chelan | 07:58:38 | -27.0 | Dark | Down | 12.6 | 130.5 | Really Low | 07:47:28 - 08:09:48 | 862 |
| Brewster | 07:58:36 | -26.8 | Dark | Down | 12.6 | 130.9 | Really Low | 07:47:26 - 08:09:46 | 851 |
| Okanogan | 07:58:35 | -26.5 | Dark | Down | 12.5 | 131.1 | Really Low | 07:47:25 - 08:09:45 | 844 |
| Reno | 07:59:19 | -35.4 | Dark | Down | 18.2 | 129.2 | Really Low | 07:48:09 - 08:10:29 | 843 |
| Kamloops | 07:58:25 | -24.2 | Dark | Down | 10.6 | 130.7 | Really Low | 07:47:15 - 08:09:35 | 841 |
| Carson City | 07:59:21 | -35.7 | Dark | Down | 18.4 | 129.1 | Really Low | 07:48:11 - 08:10:31 | 839 |
| PNWRO | 07:58:44 | -28.9 | Dark | Down | 14.4 | 131.3 | Really Low | 07:47:34 - 08:09:54 | 838 |
| Oliver | 07:58:30 | -25.7 | Dark | Down | 12.0 | 131.2 | Really Low | 07:47:20 - 08:09:40 | 837 |
| Peachland | 07:58:28 | -25.2 | Dark | Down | 11.5 | 131.1 | Really Low | 07:47:18 - 08:09:38 | 837 |
| Summerland | 07:58:29 | -25.3 | Dark | Down | 11.7 | 131.2 | Really Low | 07:47:19 - 08:09:39 | 836 |
| Gardnerville | 07:59:22 | -36.0 | Dark | Down | 18.6 | 129.1 | Really Low | 07:48:12 - 08:10:32 | 836 |
| Anarchist Mountain Observatory | 07:58:31 | -25.9 | Dark | Down | 12.2 | 131.3 | Really Low | 07:47:21 - 08:09:41 | 835 |
| Penticton | 07:58:29 | -25.4 | Dark | Down | 11.8 | 131.3 | Really Low | 07:47:19 - 08:09:39 | 834 |
| Kelowna | 07:58:27 | -25.1 | Dark | Down | 11.6 | 131.4 | Really Low | 07:47:17 - 08:09:37 | 829 |
| Yerington | 07:59:20 | -35.9 | Dark | Down | 18.9 | 129.6 | Really Low | 07:48:10 - 08:10:30 | 819 |
| Lee Vining | 07:59:25 | -37.0 | Dark | Down | 19.6 | 129.3 | Really Low | 07:48:15 - 08:10:35 | 807 |
| Hawthorne | 07:59:20 | -36.4 | Dark | Down | 19.5 | 129.9 | Really Low | 07:48:10 - 08:10:30 | 798 |
| Bishop | 07:59:26 | -37.6 | Dark | Down | 20.4 | 129.7 | Low | 07:48:16 - 08:10:36 | 776 |
| Wildwood | 07:59:43 | -40.8 | Dark | Down | 22.4 | 128.6 | Low | 07:48:33 - 08:10:53 | 728 |
| Beatty | 07:59:23 | -38.0 | Dark | Down | 21.7 | 130.9 | Low | 07:48:13 - 08:10:33 | 718 |
| Idyllwild | 07:59:39 | -41.2 | Dark | Down | 23.9 | 130.0 | Low | 07:48:29 - 08:10:49 | 660 |
| Laughlin/Bullhead City | 07:59:25 | -39.6 | Dark | Down | 24.2 | 132.1 | Low | 07:48:15 - 08:10:35 | 613 |
| Calipatria | 07:59:38 | -41.7 | Dark | Down | 25.0 | 130.7 | Low | 07:48:28 - 08:10:48 | 604 |
| Patrick | 07:59:21 | -39.3 | Dark | Down | 24.5 | 132.8 | Low | 07:48:11 - 08:10:31 | 593 |
| Lake Havasu City | 07:59:28 | -40.3 | Dark | Down | 24.8 | 132.1 | Low | 07:48:18 - 08:10:38 | 591 |
| Yuma | 07:59:37 | -42.1 | Dark | Down | 25.9 | 131.3 | Low | 07:48:27 - 08:10:47 | 562 |
| George/Scottsdale | 07:59:23 | -40.8 | Dark | Down | 26.8 | 133.9 | Low | 07:48:13 - 08:10:33 | 482 |
| Sleaford | 07:57:43 | -22.0 | Dark | Down | 15.6 | 143.6 | Really Low | 07:46:33 - 08:08:53 | 426 |
| CU-SBO | 07:58:32 | -33.6 | Dark | Down | 25.6 | 141.7 | Low | 07:47:22 - 08:09:42 | 339 |
| Dunrhomin | 07:58:31 | -33.3 | Dark | Down | 25.5 | 141.8 | Low | 07:47:21 - 08:09:41 | 339 |
| Nikitin | 07:58:32 | -33.5 | Dark | Down | 25.6 | 141.8 | Low | 07:47:22 - 08:09:42 | 337 |
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 10PT66, (2024/08/11 08:03UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 27.59 116 Diphda 00:43:35.7 -17:59:11 2.0 2.79 141 PPM 209028 00:36:03.1 -14:58:24 6.5 1.08 142 PPM 209085 00:38:11.7 -16:14:43 8.0 1.06 142 PPM 209135 00:40:17.9 -15:21:16 9.5 0.04 143 10PT66 00:40:18.8 -15:18:38 15.8 143 Positions are for J2000
Event circumstances last updated at 2023/12/16 05:10:05 UT
Marc W. Buie, Southwest Research Institute