Event between (160427) 05RL43 and star GA0980:00548335 with event index number of 1967106
Geocentric closest approach at 2024/01/04 01:41:19 UTC
J2000 position of star is 04:52:26.9 +09:45:17
Equinox of date position of star is 04:53:45.9 +09:47:35
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon.
Moon is 51% illuminated.
Apparent brightness V=22.0
[RECON map]
Object is 24.7 AU from the Sun
and 23.8 AU from the Earth.
Apparent velocity is 20.5
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 47 seconds.
The 1-sigma cross-track error in the shadow position is
867 km.
The sky-plane scale is
17288.3 km/arcsec.
The object has an absolute magnitude Hv=8.0
Diameter=155.6 km assuming a 5% albedo -- 7.5 sec chord
Diameter=63.5 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
Star training set for 160427, (2024/01/04 01:41UT) Object RA Dec mag sep mel Aldebaran 04:37:18.1 +16:33:21 0.8 7.86 122 Bellatrix 05:26:25.2 +06:22:10 1.6 8.78 111 PPM 148079 04:53:02.6 +10:00:50 6.1 0.28 119 PPM 148103 04:53:49.0 +09:54:09 8.5 0.11 119 160427 04:53:46.1 +09:47:35 16.5 118 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 0.0 km
RECON observability=0.1 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) |
| Kamloops | 01:44:28 | -14.2 | AT | Down | 23.8 | 104.2 | Low | 01:40:02 - 01:48:53 | 8481 |
| Sleaford | 01:43:57 | -23.2 | Dark | Down | 31.6 | 117.8 | Up | 01:39:31 - 01:48:22 | 8476 |
| Kelowna | 01:44:29 | -14.5 | AT | Down | 24.5 | 104.6 | Low | 01:40:03 - 01:48:54 | 8407 |
| Peachland | 01:44:30 | -14.2 | AT | Down | 24.4 | 104.3 | Low | 01:40:05 - 01:48:56 | 8401 |
| Summerland | 01:44:31 | -14.3 | AT | Down | 24.5 | 104.3 | Low | 01:40:05 - 01:48:56 | 8388 |
| Penticton | 01:44:31 | -14.3 | AT | Down | 24.6 | 104.4 | Low | 01:40:05 - 01:48:56 | 8382 |
| Oliver | 01:44:32 | -14.2 | AT | Down | 24.7 | 104.2 | Low | 01:40:06 - 01:48:57 | 8353 |
| Anarchist Mountain Observatory | 01:44:32 | -14.3 | AT | Down | 24.8 | 104.3 | Low | 01:40:07 - 01:48:58 | 8338 |
| Victoria | 01:44:39 | -11.6 | NT | Down | 22.3 | 100.8 | Low | 01:40:14 - 01:49:05 | 8337 |
| Okanogan | 01:44:35 | -13.9 | AT | Down | 24.8 | 103.9 | Low | 01:40:09 - 01:49:00 | 8286 |
| Brewster | 01:44:36 | -13.7 | AT | Down | 24.8 | 103.6 | Low | 01:40:11 - 01:49:02 | 8266 |
| Manson/Chelan | 01:44:37 | -13.4 | AT | Down | 24.6 | 103.2 | Low | 01:40:12 - 01:49:03 | 8252 |
| Wenatchee | 01:44:40 | -13.2 | AT | Down | 24.6 | 102.9 | Low | 01:40:14 - 01:49:05 | 8214 |
| Ellensburg | 01:44:41 | -12.9 | AT | Down | 24.5 | 102.5 | Low | 01:40:15 - 01:49:06 | 8182 |
| Yakima | 01:44:42 | -12.7 | AT | Down | 24.6 | 102.3 | Low | 01:40:17 - 01:49:08 | 8148 |
| Toppenish/White Swan | 01:44:43 | -12.8 | AT | Down | 24.8 | 102.4 | Low | 01:40:18 - 01:49:09 | 8128 |
| PNWRO | 01:44:41 | -13.6 | AT | Down | 25.9 | 103.4 | Low | 01:40:16 - 01:49:07 | 8081 |
| The Dalles | 01:44:47 | -12.0 | AT | Down | 24.4 | 101.4 | Low | 01:40:21 - 01:49:12 | 8069 |
| Maupin | 01:44:48 | -11.9 | NT | Down | 24.6 | 101.3 | Low | 01:40:23 - 01:49:14 | 8032 |
| Sisters | 01:44:52 | -11.3 | NT | Down | 24.4 | 100.5 | Low | 01:40:26 - 01:49:17 | 7962 |
| Bend | 01:44:52 | -11.4 | NT | Down | 24.6 | 100.6 | Low | 01:40:27 - 01:49:18 | 7938 |
| Oregon Observatory | 01:44:53 | -11.2 | NT | Down | 24.6 | 100.4 | Low | 01:40:27 - 01:49:18 | 7924 |
| Chiloquin | 01:44:57 | -10.5 | NT | Down | 24.5 | 99.6 | Low | 01:40:32 - 01:49:23 | 7813 |
| Klamath Falls | 01:44:59 | -10.4 | NT | Down | 24.6 | 99.5 | Low | 01:40:33 - 01:49:24 | 7781 |
| Cedarville | 01:44:59 | -11.3 | NT | Down | 25.9 | 100.3 | Low | 01:40:33 - 01:49:24 | 7701 |
| Fall River/Burney | 01:45:02 | -10.3 | NT | Down | 25.1 | 99.2 | Low | 01:40:36 - 01:49:27 | 7670 |
| Greenville | 01:45:04 | -10.3 | NT | Down | 25.6 | 99.1 | Low | 01:40:38 - 01:49:29 | 7583 |
| Gimple | 01:45:03 | -10.3 | NT | Down | 25.7 | 99.2 | Low | 01:40:38 - 01:49:29 | 7581 |
| Quincy | 01:45:05 | -10.2 | NT | Down | 25.6 | 99.0 | Low | 01:40:39 - 01:49:30 | 7564 |
| Portola | 01:45:03 | -10.5 | NT | Down | 26.0 | 99.3 | Low | 01:40:38 - 01:49:29 | 7547 |
| Reno | 01:45:03 | -10.9 | NT | Down | 26.6 | 99.6 | Low | 01:40:38 - 01:49:29 | 7515 |
| Carson City | 01:45:04 | -10.8 | NT | Down | 26.6 | 99.5 | Low | 01:40:38 - 01:49:29 | 7481 |
| Gardnerville | 01:45:05 | -10.7 | NT | Down | 26.7 | 99.4 | Low | 01:40:39 - 01:49:30 | 7458 |
| Yerington | 01:45:04 | -11.2 | NT | Down | 27.2 | 99.8 | Low | 01:40:38 - 01:49:29 | 7456 |
| Dunrhomin | 01:44:27 | -21.7 | Dark | Down | 37.1 | 111.2 | Up | 01:40:02 - 01:48:53 | 7437 |
| Nikitin | 01:44:28 | -21.7 | Dark | Down | 37.1 | 111.1 | Up | 01:40:03 - 01:48:54 | 7420 |
| CU-SBO | 01:44:29 | -21.6 | Dark | Down | 37.1 | 111.0 | Up | 01:40:03 - 01:48:54 | 7414 |
| Hawthorne | 01:45:04 | -11.4 | NT | Down | 27.6 | 99.9 | Low | 01:40:38 - 01:49:29 | 7407 |
| Lee Vining | 01:45:06 | -10.8 | NT | Down | 27.4 | 99.3 | Low | 01:40:41 - 01:49:32 | 7359 |
| Bishop | 01:45:06 | -11.2 | NT | Down | 28.0 | 99.5 | Low | 01:40:41 - 01:49:32 | 7294 |
| Beatty | 01:45:04 | -12.2 | AT | Down | 29.4 | 100.4 | Low | 01:40:39 - 01:49:30 | 7231 |
| Patrick | 01:45:02 | -13.9 | AT | Down | 32.0 | 101.5 | Up | 01:40:36 - 01:49:27 | 7056 |
| Laughlin/Bullhead City | 01:45:03 | -13.3 | AT | Down | 31.4 | 100.8 | Up | 01:40:38 - 01:49:29 | 7039 |
| Wildwood | 01:45:14 | -9.9 | NT | Down | 28.4 | 97.7 | Low | 01:40:49 - 01:49:40 | 6981 |
| Lake Havasu City | 01:45:05 | -13.3 | AT | Down | 31.8 | 100.6 | Up | 01:40:39 - 01:49:30 | 6971 |
| Idyllwild | 01:45:12 | -11.2 | NT | Down | 30.0 | 98.6 | Low | 01:40:47 - 01:49:38 | 6924 |
| George/Scottsdale | 01:45:00 | -15.0 | AT | Down | 33.9 | 101.7 | Up | 01:40:34 - 01:49:25 | 6868 |
| Calipatria | 01:45:11 | -11.9 | NT | Down | 31.0 | 99.0 | Up | 01:40:45 - 01:49:36 | 6849 |
| Yuma | 01:45:09 | -12.5 | AT | Down | 31.9 | 99.3 | Up | 01:40:44 - 01:49:35 | 6796 |
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 160427, (2024/01/04 01:41UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 7.86 122 Bellatrix 05:25:07.8 +06:20:58 1.6 8.78 111 PPM 148079 04:51:43.4 +09:58:30 6.1 0.28 119 PPM 148103 04:52:29.8 +09:51:51 8.5 0.11 119 160427 04:52:26.9 +09:45:17 16.5 119 Positions are for J2000
Event circumstances last updated at 2023/12/22 05:44:53 UT
Marc W. Buie, Southwest Research Institute