Event between 11EZ90 and star GA1140:03410392 with event index number of 2117527
Geocentric closest approach at 2028/03/04 08:04:24 UTC
J2000 position of star is 12:51:53.6 +25:07:10
Equinox of date position of star is 12:53:03.8 +24:59:24
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 103 degrees from the moon.
Moon is 50% illuminated.
Apparent brightness V=22.4
[RECON map]
Object is 38.4 AU from the Sun
and 37.6 AU from the Earth.
Apparent velocity is 24.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 317 seconds.
The 1-sigma cross-track error in the shadow position is
5593 km.
The sky-plane scale is
27238.6 km/arcsec.
The object has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 12.6 sec chord
Diameter=123.3 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 11EZ90, (2028/03/04 08:04UT) Object RA Dec mag sep mel Arcturus 14:16:57.4 +19:02:26 0.0 20.26 122 Vindemiatrix 13:03:34.9 +10:48:30 2.8 14.37 114 31 Com 12:53:04.1 +27:23:16 4.9 2.42 102 PPM 102174 12:50:09.4 +24:41:11 7.0 0.76 103 PPM 102229 12:54:38.7 +24:59:29 9.0 0.31 104 11EZ90 12:53:16.3 +24:58:00 15.0 104 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
2.8 sigma about the mid-time.
The median site spacing is 23.0 km
RECON observability=1.0 and success probability=8.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 08:06:08 | -42.9 | Dark | Up | 60.8 | 151.8 | Up | 07:51:08 - 08:21:08 | 7691 |
| Kamloops | 08:06:41 | -45.5 | Dark | Up | 56.1 | 128.0 | Up | 07:51:41 - 08:21:41 | 7140 |
| Kelowna | 08:06:38 | -46.3 | Dark | Up | 57.0 | 128.2 | Up | 07:51:38 - 08:21:38 | 7079 |
| Peachland | 08:06:39 | -46.4 | Dark | Up | 57.0 | 127.7 | Up | 07:51:39 - 08:21:39 | 7060 |
| Summerland | 08:06:39 | -46.6 | Dark | Up | 57.1 | 127.6 | Up | 07:51:39 - 08:21:39 | 7047 |
| Penticton | 08:06:38 | -46.6 | Dark | Up | 57.2 | 127.7 | Up | 07:51:38 - 08:21:38 | 7043 |
| Oliver | 08:06:39 | -47.0 | Dark | Up | 57.4 | 127.3 | Up | 07:51:39 - 08:21:39 | 7007 |
| Anarchist Mountain Observatory | 08:06:37 | -47.2 | Dark | Up | 57.6 | 127.3 | Up | 07:51:37 - 08:21:37 | 6995 |
| Okanogan | 08:06:37 | -47.8 | Dark | Up | 57.9 | 126.2 | Up | 07:51:37 - 08:21:37 | 6923 |
| Brewster | 08:06:38 | -48.1 | Dark | Up | 57.9 | 125.6 | Up | 07:51:38 - 08:21:38 | 6890 |
| Manson/Chelan | 08:06:38 | -48.3 | Dark | Up | 57.9 | 124.8 | Up | 07:51:38 - 08:21:38 | 6859 |
| Victoria | 08:06:49 | -47.5 | Dark | Up | 55.7 | 121.4 | Up | 07:51:49 - 08:21:49 | 6845 |
| Wenatchee | 08:06:38 | -48.8 | Dark | Up | 58.0 | 123.9 | Up | 07:51:38 - 08:21:38 | 6805 |
| Ellensburg | 08:06:39 | -49.2 | Dark | Up | 58.1 | 123.1 | Up | 07:51:39 - 08:21:39 | 6757 |
| Yakima | 08:06:38 | -49.6 | Dark | Up | 58.3 | 122.5 | Up | 07:51:38 - 08:21:38 | 6715 |
| PNWRO | 08:06:33 | -50.2 | Dark | Up | 59.6 | 123.9 | Up | 07:51:33 - 08:21:33 | 6699 |
| Toppenish/White Swan | 08:06:37 | -49.8 | Dark | Up | 58.6 | 122.4 | Up | 07:51:37 - 08:21:37 | 6697 |
| Dunrhomin | 08:05:45 | -53.9 | Dark | Up | 70.8 | 137.9 | Up | 07:50:45 - 08:20:45 | 6596 |
| The Dalles | 08:06:39 | -50.5 | Dark | Up | 58.5 | 120.3 | Up | 07:51:39 - 08:21:39 | 6595 |
| Nikitin | 08:05:44 | -54.1 | Dark | Up | 71.0 | 137.4 | Up | 07:50:44 - 08:20:44 | 6577 |
| CU-SBO | 08:05:44 | -54.1 | Dark | Up | 71.0 | 137.1 | Up | 07:50:44 - 08:20:44 | 6567 |
| Maupin | 08:06:38 | -51.0 | Dark | Up | 58.8 | 119.9 | Up | 07:51:38 - 08:21:38 | 6554 |
| Sisters | 08:06:38 | -51.8 | Dark | Up | 58.9 | 118.0 | Up | 07:51:38 - 08:21:38 | 6450 |
| Bend | 08:06:37 | -52.1 | Dark | Up | 59.2 | 117.9 | Up | 07:51:37 - 08:21:37 | 6432 |
| Oregon Observatory | 08:06:38 | -52.2 | Dark | Up | 59.2 | 117.5 | Up | 07:51:38 - 08:21:38 | 6410 |
| Chiloquin | 08:06:37 | -53.5 | Dark | Up | 59.5 | 115.0 | Up | 07:51:37 - 08:21:37 | 6261 |
| Klamath Falls | 08:06:37 | -53.9 | Dark | Up | 59.7 | 114.6 | Up | 07:51:37 - 08:21:37 | 6227 |
| Cedarville | 08:06:31 | -54.6 | Dark | Up | 61.0 | 115.4 | Up | 07:51:31 - 08:21:31 | 6200 |
| Fall River/Burney | 08:06:35 | -55.1 | Dark | Up | 60.4 | 113.1 | Up | 07:51:35 - 08:21:35 | 6114 |
| Gimple | 08:06:31 | -56.0 | Dark | Up | 61.1 | 112.3 | Up | 07:51:31 - 08:21:31 | 6034 |
| Greenville | 08:06:32 | -56.0 | Dark | Up | 61.0 | 112.2 | Up | 07:51:32 - 08:21:32 | 6032 |
| Portola | 08:06:30 | -56.3 | Dark | Up | 61.5 | 112.2 | Up | 07:51:30 - 08:21:30 | 6012 |
| Quincy | 08:06:31 | -56.2 | Dark | Up | 61.1 | 111.8 | Up | 07:51:31 - 08:21:31 | 6011 |
| Reno | 08:06:28 | -56.6 | Dark | Up | 62.1 | 112.5 | Up | 07:51:28 - 08:21:28 | 6003 |
| Carson City | 08:06:27 | -57.0 | Dark | Up | 62.2 | 111.9 | Up | 07:51:27 - 08:21:27 | 5966 |
| Yerington | 08:06:25 | -57.2 | Dark | Up | 62.7 | 112.2 | Up | 07:51:25 - 08:21:25 | 5966 |
| Gardnerville | 08:06:27 | -57.2 | Dark | Up | 62.3 | 111.5 | Up | 07:51:27 - 08:21:27 | 5942 |
| Hawthorne | 08:06:24 | -57.7 | Dark | Up | 63.3 | 112.0 | Up | 07:51:24 - 08:21:24 | 5934 |
| Lee Vining | 08:06:23 | -58.2 | Dark | Up | 63.1 | 110.4 | Up | 07:51:23 - 08:21:23 | 5860 |
| Beatty | 08:06:14 | -59.2 | Dark | Up | 65.2 | 111.1 | Up | 07:51:14 - 08:21:14 | 5827 |
| Bishop | 08:06:20 | -58.8 | Dark | Up | 63.9 | 110.1 | Up | 07:51:20 - 08:21:20 | 5821 |
| Patrick | 08:06:03 | -60.5 | Dark | Up | 67.9 | 111.5 | Up | 07:51:03 - 08:21:03 | 5776 |
| Laughlin/Bullhead City | 08:06:05 | -60.8 | Dark | Up | 67.5 | 110.1 | Up | 07:51:05 - 08:21:05 | 5726 |
| George/Scottsdale | 08:05:53 | -61.8 | Dark | Up | 70.0 | 110.0 | Up | 07:50:53 - 08:20:53 | 5681 |
| Lake Havasu City | 08:06:03 | -61.4 | Dark | Up | 67.9 | 108.8 | Up | 07:51:03 - 08:21:03 | 5666 |
| Idyllwild | 08:06:09 | -62.4 | Dark | Up | 66.2 | 104.5 | Up | 07:51:09 - 08:21:09 | 5503 |
| Calipatria | 08:06:04 | -62.9 | Dark | Up | 67.3 | 104.3 | Up | 07:51:04 - 08:21:04 | 5483 |
| Wildwood | 08:06:16 | -62.1 | Dark | Up | 64.6 | 103.4 | Up | 07:51:16 - 08:21:16 | 5476 |
| Yuma | 08:06:00 | -63.2 | Dark | Up | 68.1 | 104.2 | Up | 07:51:00 - 08:21:00 | 5472 |
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 11EZ90, (2028/03/04 08:04UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 20.26 122 Vindemiatrix 13:02:10.2 +10:57:33 2.8 14.37 114 31 Com 12:51:41.9 +27:32:26 4.9 2.42 102 PPM 102174 12:48:46.5 +24:50:22 7.0 0.76 103 PPM 102229 12:53:16.2 +25:08:38 9.0 0.31 104 11EZ90 12:51:53.6 +25:07:10 15.0 103 Positions are for J2000
Event circumstances last updated at 2023/11/30 04:23:13 UT
Marc W. Buie, Southwest Research Institute