Event between (590218) 11UD63 and star GA1160:02006183 with event index number of 2686065
Geocentric closest approach at 2028/04/12 05:03:10 UTC
J2000 position of star is 06:10:04.4 +27:30:51
Equinox of date position of star is 06:11:34.7 +27:30:28
Stellar brightness G=13.0,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 148 degrees from the moon.
Moon is 90% illuminated.
Apparent brightness V=20.4
[RECON map]
Object is 13.5 AU from the Sun
and 13.8 AU from the Earth.
Apparent velocity is 18.3
km/sec on the sky relative to the star, or,
6.6 arcsec/hr.
The 1-sigma error in the time of the event is 133 seconds.
The 1-sigma cross-track error in the shadow position is
858 km.
The sky-plane scale is
10020.0 km/arcsec.
The object has an absolute magnitude Hv=8.7
Diameter=105.2 km assuming a 5% albedo -- 5.9 sec chord
Diameter=42.9 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 590218, (2028/04/12 05:05UT) Object RA Dec mag sep mel Betelgeuse 05:56:42.2 +07:24:36 0.4 20.41 145 Alnath 05:28:04.9 +28:37:44 1.6 9.72 157 PPM 095226 06:02:47.1 +27:34:16 6.0 2.01 150 PPM 095434 06:09:26.9 +27:51:15 8.4 0.64 148 PPM 095512 06:11:12.9 +27:11:12 8.7 0.35 148 PPM 095483 06:10:27.0 +27:24:26 10.7 0.33 148 590218 06:11:51.0 +27:30:24 13.0 147 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 14.0 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 | 05:05:47 | -23.9 | Dark | Down | 28.0 | 279.8 | Low | 04:54:12 - 05:17:23 | 5381 |
| Kamloops | 05:05:43 | -19.3 | Dark | Down | 36.8 | 269.8 | Up | 04:54:07 - 05:17:18 | 4806 |
| Kelowna | 05:05:48 | -20.3 | Dark | Down | 36.2 | 271.1 | Up | 04:54:12 - 05:17:23 | 4788 |
| Peachland | 05:05:48 | -20.2 | Dark | Down | 36.4 | 271.0 | Up | 04:54:13 - 05:17:24 | 4770 |
| Summerland | 05:05:49 | -20.4 | Dark | Down | 36.4 | 271.1 | Up | 04:54:13 - 05:17:24 | 4764 |
| Penticton | 05:05:49 | -20.5 | Dark | Down | 36.3 | 271.3 | Up | 04:54:14 - 05:17:25 | 4764 |
| Oliver | 05:05:51 | -20.7 | Dark | Down | 36.3 | 271.5 | Up | 04:54:15 - 05:17:26 | 4742 |
| Dunrhomin | 05:06:48 | -34.2 | Dark | Up | 24.6 | 286.1 | Low | 04:55:12 - 05:18:23 | 4742 |
| Anarchist Mountain Observatory | 05:05:52 | -20.9 | Dark | Down | 36.1 | 271.8 | Up | 04:54:17 - 05:17:28 | 4739 |
| Nikitin | 05:06:49 | -34.3 | Dark | Up | 24.6 | 286.2 | Low | 04:55:14 - 05:18:25 | 4729 |
| CU-SBO | 05:06:48 | -34.4 | Dark | Up | 24.6 | 286.2 | Low | 04:55:13 - 05:18:24 | 4722 |
| Okanogan | 05:05:56 | -21.3 | Dark | Down | 36.3 | 272.1 | Up | 04:54:20 - 05:17:31 | 4690 |
| Brewster | 05:05:56 | -21.3 | Dark | Down | 36.4 | 272.2 | Up | 04:54:21 - 05:17:32 | 4665 |
| Manson/Chelan | 05:05:57 | -21.3 | Dark | Down | 36.6 | 272.1 | Up | 04:54:21 - 05:17:32 | 4637 |
| Wenatchee | 05:05:58 | -21.5 | Dark | Down | 36.7 | 272.3 | Up | 04:54:23 - 05:17:34 | 4600 |
| Ellensburg | 05:06:01 | -21.7 | Dark | Down | 36.8 | 272.5 | Up | 04:54:25 - 05:17:36 | 4565 |
| PNWRO | 05:06:07 | -23.2 | Dark | Down | 35.6 | 274.4 | Up | 04:54:32 - 05:17:43 | 4563 |
| Victoria | 05:05:49 | -19.2 | Dark | Down | 38.8 | 269.1 | Up | 04:54:13 - 05:17:24 | 4558 |
| Yakima | 05:06:02 | -22.0 | Dark | Down | 36.8 | 272.8 | Up | 04:54:27 - 05:17:38 | 4537 |
| Toppenish/White Swan | 05:06:04 | -22.2 | Dark | Down | 36.7 | 273.1 | Up | 04:54:29 - 05:17:40 | 4529 |
| The Dalles | 05:06:06 | -22.3 | Dark | Down | 37.2 | 273.1 | Up | 04:54:31 - 05:17:42 | 4446 |
| Maupin | 05:06:09 | -22.7 | Dark | Down | 37.1 | 273.5 | Up | 04:54:33 - 05:17:44 | 4422 |
| Sisters | 05:06:12 | -23.0 | Dark | Down | 37.4 | 273.8 | Up | 04:54:37 - 05:17:48 | 4341 |
| Bend | 05:06:14 | -23.3 | Dark | Down | 37.2 | 274.2 | Up | 04:54:38 - 05:17:49 | 4335 |
| Oregon Observatory | 05:06:14 | -23.3 | Dark | Down | 37.2 | 274.2 | Up | 04:54:39 - 05:17:50 | 4318 |
| Chiloquin | 05:06:19 | -24.0 | Dark | Down | 37.4 | 275.0 | Up | 04:54:44 - 05:17:55 | 4207 |
| Cedarville | 05:06:27 | -25.6 | Dark | Down | 36.0 | 276.8 | Up | 04:54:52 - 05:18:03 | 4203 |
| Klamath Falls | 05:06:22 | -24.2 | Dark | Down | 37.3 | 275.3 | Up | 04:54:46 - 05:17:57 | 4186 |
| Fall River/Burney | 05:06:27 | -25.2 | Dark | Down | 36.9 | 276.4 | Up | 04:54:52 - 05:18:03 | 4116 |
| Reno | 05:06:36 | -27.1 | Dark | Down | 35.5 | 278.5 | Up | 04:55:01 - 05:18:12 | 4073 |
| Gimple | 05:06:32 | -26.1 | Dark | Down | 36.4 | 277.4 | Up | 04:54:57 - 05:18:08 | 4072 |
| Greenville | 05:06:32 | -26.1 | Dark | Down | 36.4 | 277.4 | Up | 04:54:57 - 05:18:08 | 4068 |
| Portola | 05:06:35 | -26.6 | Dark | Down | 36.0 | 277.9 | Up | 04:54:59 - 05:18:10 | 4065 |
| Yerington | 05:06:40 | -27.9 | Dark | Down | 34.9 | 279.2 | Up | 04:55:05 - 05:18:16 | 4061 |
| Quincy | 05:06:33 | -26.2 | Dark | Down | 36.4 | 277.5 | Up | 04:54:58 - 05:18:09 | 4054 |
| Hawthorne | 05:06:43 | -28.5 | Dark | Down | 34.4 | 279.8 | Up | 04:55:08 - 05:18:19 | 4049 |
| Carson City | 05:06:38 | -27.4 | Dark | Down | 35.4 | 278.7 | Up | 04:55:03 - 05:18:14 | 4048 |
| Patrick | 05:06:53 | -33.4 | Dark | Down | 30.0 | 284.1 | Low | 04:55:17 - 05:18:28 | 4034 |
| Gardnerville | 05:06:40 | -27.6 | Dark | Down | 35.3 | 278.9 | Up | 04:55:04 - 05:18:15 | 4031 |
| Beatty | 05:06:53 | -30.7 | Dark | Down | 32.6 | 281.9 | Up | 04:55:17 - 05:18:28 | 4011 |
| George/Scottsdale | 05:06:53 | -35.8 | Dark | Up | 27.9 | 285.9 | Low | 04:55:17 - 05:18:28 | 4010 |
| Lee Vining | 05:06:45 | -28.6 | Dark | Down | 34.7 | 280.0 | Up | 04:55:10 - 05:18:21 | 3986 |
| Laughlin/Bullhead City | 05:06:53 | -33.2 | Dark | Down | 30.5 | 283.9 | Up | 04:55:17 - 05:18:28 | 3983 |
| Bishop | 05:06:49 | -29.4 | Dark | Down | 34.0 | 280.7 | Up | 04:55:13 - 05:18:24 | 3973 |
| Lake Havasu City | 05:06:53 | -33.8 | Dark | Down | 30.1 | 284.4 | Up | 04:55:17 - 05:18:28 | 3947 |
| Yuma | 05:06:53 | -34.8 | Dark | Down | 29.9 | 285.3 | Low | 04:55:17 - 05:18:28 | 3805 |
| Calipatria | 05:06:53 | -34.0 | Dark | Down | 30.7 | 284.7 | Up | 04:55:17 - 05:18:28 | 3792 |
| Idyllwild | 05:06:53 | -32.8 | Dark | Down | 31.9 | 283.8 | Up | 04:55:17 - 05:18:28 | 3780 |
| Wildwood | 05:06:53 | -31.4 | Dark | Down | 33.5 | 282.8 | Up | 04:55:17 - 05:18:28 | 3716 |
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 590218, (2028/04/12 05:05UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 20.41 145 Alnath 05:26:17.6 +28:36:23 1.6 9.72 157 PPM 095226 06:01:00.4 +27:34:21 6.0 2.01 150 PPM 095434 06:07:39.9 +27:51:36 8.4 0.64 148 PPM 095512 06:09:26.5 +27:11:38 8.7 0.35 148 PPM 095483 06:08:40.5 +27:24:50 10.7 0.33 148 590218 06:10:04.4 +27:30:51 13.0 148 Positions are for J2000
Event circumstances last updated at 2023/12/08 04:41:40 UT
Marc W. Buie, Southwest Research Institute