Event between (554000) 12FM87 and star GA0920:03640770 with event index number of 2291809
Geocentric closest approach at 2024/03/16 07:01:12 UTC
J2000 position of star is 12:09:42.1 +03:29:02
Equinox of date position of star is 12:10:55.8 +03:21:02
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 105 degrees from the moon.
Moon is 41% illuminated.
Apparent brightness V=22.5
[RECON map]
Object is 42.5 AU from the Sun
and 41.5 AU from the Earth.
Apparent velocity is 25.3
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 191 seconds.
The 1-sigma cross-track error in the shadow position is
2074 km.
The sky-plane scale is
30129.4 km/arcsec.
The object has an absolute magnitude Hv=6.2
Diameter=338.9 km assuming a 5% albedo -- 13.4 sec chord
Diameter=138.3 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 554000, (2024/03/16 07:02UT) Object RA Dec mag sep mel Spica 13:26:28.3 -11:17:13 1.0 23.81 128 Denebola 11:50:17.7 +14:26:12 2.1 12.20 95 10 Vir 12:10:55.8 +01:45:44 5.9 1.59 106 PPM 158610 12:13:44.1 +03:16:11 8.1 0.70 105 PPM 158561 12:10:11.4 +03:39:25 9.8 0.36 105 554000 12:10:56.5 +03:20:57 16.5 105 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
4.7 sigma about the mid-time.
The median site spacing is 19.5 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 07:02:59 | -39.4 | Dark | Up | 40.9 | 169.1 | Up | 06:47:59 - 07:17:59 | 12669 |
| Kamloops | 07:03:33 | -38.9 | Dark | Up | 39.1 | 150.4 | Up | 06:48:33 - 07:18:33 | 12131 |
| Kelowna | 07:03:28 | -39.8 | Dark | Up | 40.1 | 151.2 | Up | 06:48:28 - 07:18:28 | 12090 |
| Peachland | 07:03:31 | -39.9 | Dark | Up | 40.1 | 150.8 | Up | 06:48:31 - 07:18:31 | 12072 |
| Summerland | 07:03:31 | -40.0 | Dark | Up | 40.3 | 150.9 | Up | 06:48:31 - 07:18:31 | 12062 |
| Penticton | 07:03:30 | -40.1 | Dark | Up | 40.4 | 151.0 | Up | 06:48:30 - 07:18:30 | 12060 |
| Oliver | 07:03:28 | -40.4 | Dark | Up | 40.7 | 150.8 | Up | 06:48:28 - 07:18:28 | 12031 |
| Anarchist Mountain Observatory | 07:03:30 | -40.7 | Dark | Up | 40.9 | 151.0 | Up | 06:48:30 - 07:18:30 | 12023 |
| Okanogan | 07:03:29 | -41.2 | Dark | Up | 41.4 | 150.4 | Up | 06:48:29 - 07:18:29 | 11962 |
| Brewster | 07:03:29 | -41.4 | Dark | Up | 41.6 | 150.1 | Up | 06:48:29 - 07:18:29 | 11933 |
| Manson/Chelan | 07:03:31 | -41.5 | Dark | Up | 41.6 | 149.5 | Up | 06:48:31 - 07:18:31 | 11904 |
| Victoria | 07:03:39 | -40.0 | Dark | Up | 39.9 | 145.8 | Up | 06:48:39 - 07:18:39 | 11862 |
| Wenatchee | 07:03:30 | -41.9 | Dark | Up | 42.0 | 149.1 | Up | 06:48:30 - 07:18:30 | 11859 |
| Ellensburg | 07:03:32 | -42.2 | Dark | Up | 42.3 | 148.6 | Up | 06:48:32 - 07:18:32 | 11817 |
| PNWRO | 07:03:27 | -43.6 | Dark | Up | 43.7 | 150.2 | Up | 06:48:27 - 07:18:27 | 11783 |
| Yakima | 07:03:31 | -42.6 | Dark | Up | 42.6 | 148.4 | Up | 06:48:31 - 07:18:31 | 11781 |
| Dunrhomin | 07:02:43 | -51.2 | Dark | Up | 52.6 | 167.5 | Up | 06:47:43 - 07:17:43 | 11778 |
| Toppenish/White Swan | 07:03:31 | -42.8 | Dark | Up | 42.8 | 148.5 | Up | 06:48:31 - 07:18:31 | 11768 |
| Nikitin | 07:02:42 | -51.4 | Dark | Up | 52.8 | 167.4 | Up | 06:47:42 - 07:17:42 | 11762 |
| CU-SBO | 07:02:43 | -51.5 | Dark | Up | 52.8 | 167.3 | Up | 06:47:43 - 07:17:43 | 11753 |
| The Dalles | 07:03:33 | -43.3 | Dark | Up | 43.2 | 147.1 | Up | 06:48:33 - 07:18:33 | 11675 |
| Maupin | 07:03:33 | -43.7 | Dark | Up | 43.6 | 147.0 | Up | 06:48:33 - 07:18:33 | 11642 |
| Sisters | 07:03:33 | -44.4 | Dark | Up | 44.1 | 145.9 | Up | 06:48:33 - 07:18:33 | 11549 |
| Bend | 07:03:32 | -44.7 | Dark | Up | 44.4 | 146.1 | Up | 06:48:32 - 07:18:32 | 11536 |
| Oregon Observatory | 07:03:33 | -44.8 | Dark | Up | 44.5 | 145.9 | Up | 06:48:33 - 07:18:33 | 11517 |
| Chiloquin | 07:03:33 | -45.9 | Dark | Up | 45.4 | 144.6 | Up | 06:48:33 - 07:18:33 | 11385 |
| Klamath Falls | 07:03:33 | -46.2 | Dark | Up | 45.8 | 144.5 | Up | 06:48:33 - 07:18:33 | 11357 |
| Cedarville | 07:03:27 | -47.3 | Dark | Up | 47.0 | 146.2 | Up | 06:48:27 - 07:18:27 | 11347 |
| Fall River/Burney | 07:03:30 | -47.4 | Dark | Up | 46.9 | 144.3 | Up | 06:48:30 - 07:18:30 | 11262 |
| Gimple | 07:03:29 | -48.4 | Dark | Up | 47.8 | 144.4 | Up | 06:48:29 - 07:18:29 | 11197 |
| Greenville | 07:03:28 | -48.3 | Dark | Up | 47.8 | 144.3 | Up | 06:48:28 - 07:18:28 | 11194 |
| Portola | 07:03:27 | -48.8 | Dark | Up | 48.3 | 144.7 | Up | 06:48:27 - 07:18:27 | 11181 |
| Reno | 07:03:26 | -49.2 | Dark | Up | 48.8 | 145.4 | Up | 06:48:26 - 07:18:26 | 11179 |
| Quincy | 07:03:27 | -48.5 | Dark | Up | 48.0 | 144.1 | Up | 06:48:27 - 07:18:27 | 11176 |
| Yerington | 07:03:24 | -50.0 | Dark | Up | 49.5 | 145.9 | Up | 06:48:24 - 07:18:24 | 11151 |
| Carson City | 07:03:26 | -49.6 | Dark | Up | 49.1 | 145.2 | Up | 06:48:26 - 07:18:26 | 11147 |
| Hawthorne | 07:03:21 | -50.5 | Dark | Up | 50.1 | 146.3 | Up | 06:48:21 - 07:18:21 | 11127 |
| Gardnerville | 07:03:26 | -49.8 | Dark | Up | 49.3 | 145.1 | Up | 06:48:26 - 07:18:26 | 11126 |
| Lee Vining | 07:03:22 | -50.9 | Dark | Up | 50.4 | 145.3 | Up | 06:48:22 - 07:18:22 | 11058 |
| Beatty | 07:03:15 | -52.6 | Dark | Up | 52.3 | 147.9 | Up | 06:48:15 - 07:18:15 | 11046 |
| Bishop | 07:03:20 | -51.7 | Dark | Up | 51.2 | 145.9 | Up | 06:48:20 - 07:18:20 | 11029 |
| Patrick | 07:03:05 | -54.8 | Dark | Up | 54.7 | 151.2 | Up | 06:48:05 - 07:18:05 | 11018 |
| Laughlin/Bullhead City | 07:03:06 | -54.8 | Dark | Up | 54.7 | 150.0 | Up | 06:48:06 - 07:18:06 | 10968 |
| George/Scottsdale | 07:02:54 | -56.9 | Dark | Up | 57.0 | 153.3 | Up | 06:47:54 - 07:17:54 | 10942 |
| Lake Havasu City | 07:03:04 | -55.5 | Dark | Up | 55.4 | 149.9 | Up | 06:48:04 - 07:18:04 | 10916 |
| Idyllwild | 07:03:10 | -55.5 | Dark | Up | 55.0 | 145.6 | Up | 06:48:10 - 07:18:10 | 10753 |
| Calipatria | 07:03:06 | -56.5 | Dark | Up | 56.0 | 146.9 | Up | 06:48:06 - 07:18:06 | 10741 |
| Yuma | 07:03:03 | -57.2 | Dark | Up | 56.8 | 148.0 | Up | 06:48:03 - 07:18:03 | 10736 |
| Wildwood | 07:03:18 | -54.6 | Dark | Up | 53.8 | 143.1 | Up | 06:48:18 - 07:18:18 | 10714 |
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 554000, (2024/03/16 07:02UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 23.81 128 Denebola 11:49:02.9 +14:34:17 2.1 12.20 95 10 Vir 12:09:41.4 +01:53:49 5.9 1.59 106 PPM 158610 12:12:29.8 +03:24:15 8.1 0.70 105 PPM 158561 12:08:57.1 +03:47:30 9.8 0.36 105 554000 12:09:42.1 +03:29:02 16.5 105 Positions are for J2000
Event circumstances last updated at 2023/12/22 05:46:27 UT
Marc W. Buie, Southwest Research Institute