Event between 11UG412 and star GA1100:00370898 with event index number of 2128840
Geocentric closest approach at 2027/12/01 08:32:46 UTC
J2000 position of star is 03:20:39.7 +20:53:53
Equinox of date position of star is 03:22:01.7 +20:58:56
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 10% illuminated.
Apparent brightness V=24.2
[RECON map]
Object is 44.7 AU from the Sun
and 43.8 AU from the Earth.
Apparent velocity is 24.6
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 661 seconds.
The 1-sigma cross-track error in the shadow position is
5648 km.
The sky-plane scale is
31746.0 km/arcsec.
The object has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 7.1 sec chord
Diameter=70.9 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 11UG412, (2027/12/01 08:33UT) Object RA Dec mag sep mel Aldebaran 04:37:31.5 +16:33:48 0.8 18.34 143 44Zet Per 03:55:53.6 +31:57:51 2.8 13.29 136 61Tau1Ari 03:22:50.7 +21:14:45 5.3 0.28 127 PPM 092419 03:22:28.2 +20:36:29 8.0 0.39 127 61Tau1Ari 03:22:50.7 +21:14:45 5.3 0.28 127 PPM 092420 03:22:35.7 +20:44:45 10.2 0.26 127 11UG412 03:22:16.5 +20:59:50 15.7 128 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
1.4 sigma about the mid-time.
The median site spacing is 36.9 km
RECON observability=1.0 and success probability=10.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 08:30:26 | -54.3 | Dark | Down | 45.3 | 241.7 | Up | 08:15:26 - 08:45:26 | 297 |
| Kamloops | 08:30:59 | -60.0 | Dark | Down | 53.4 | 225.7 | Up | 08:15:59 - 08:45:59 | 186 |
| Kelowna | 08:30:56 | -60.6 | Dark | Down | 53.5 | 227.7 | Up | 08:15:56 - 08:45:56 | 99 |
| Peachland | 08:30:57 | -60.8 | Dark | Down | 53.7 | 227.4 | Up | 08:15:57 - 08:45:57 | 89 |
| Summerland | 08:30:57 | -60.9 | Dark | Down | 53.8 | 227.7 | Up | 08:15:57 - 08:45:57 | 74 |
| Penticton | 08:30:57 | -60.9 | Dark | Down | 53.8 | 227.9 | Up | 08:15:57 - 08:45:57 | 66 |
| Oliver | 08:30:56 | -61.3 | Dark | Down | 54.0 | 228.3 | Up | 08:15:56 - 08:45:56 | 31 |
| Anarchist Mountain Observatory | 08:30:56 | -61.4 | Dark | Down | 54.0 | 228.7 | Up | 08:15:56 - 08:45:56 | 12 |
| Victoria | 08:31:06 | -62.7 | Dark | Down | 56.3 | 223.6 | Up | 08:16:06 - 08:46:06 | -11 |
| Okanogan | 08:30:56 | -62.0 | Dark | Down | 54.6 | 229.1 | Up | 08:15:56 - 08:45:56 | -52 |
| Brewster | 08:30:57 | -62.3 | Dark | Down | 54.8 | 229.1 | Up | 08:15:57 - 08:45:57 | -79 |
| Manson/Chelan | 08:30:57 | -62.6 | Dark | Down | 55.2 | 228.8 | Up | 08:15:57 - 08:45:57 | -98 |
| Wenatchee | 08:30:58 | -63.1 | Dark | Down | 55.6 | 229.1 | Up | 08:15:58 - 08:45:58 | -146 |
| Ellensburg | 08:30:58 | -63.5 | Dark | Down | 56.0 | 229.3 | Up | 08:15:58 - 08:45:58 | -187 |
| Yakima | 08:30:58 | -63.9 | Dark | Down | 56.2 | 229.7 | Up | 08:15:58 - 08:45:58 | -229 |
| Toppenish/White Swan | 08:30:57 | -64.1 | Dark | Down | 56.3 | 230.2 | Up | 08:15:57 - 08:45:57 | -252 |
| PNWRO | 08:30:53 | -64.0 | Dark | Down | 55.7 | 232.6 | Up | 08:15:53 - 08:45:53 | -300 |
| The Dalles | 08:30:59 | -65.0 | Dark | Down | 57.2 | 230.0 | Up | 08:15:59 - 08:45:59 | -328 |
| Maupin | 08:30:59 | -65.4 | Dark | Down | 57.4 | 230.6 | Up | 08:15:59 - 08:45:59 | -372 |
| Sisters | 08:31:00 | -66.3 | Dark | Down | 58.2 | 231.0 | Up | 08:16:00 - 08:46:00 | -460 |
| Bend | 08:30:59 | -66.5 | Dark | Down | 58.2 | 231.7 | Up | 08:15:59 - 08:45:59 | -487 |
| Oregon Observatory | 08:31:00 | -66.7 | Dark | Down | 58.4 | 231.7 | Up | 08:16:00 - 08:46:00 | -504 |
| Chiloquin | 08:31:01 | -68.0 | Dark | Down | 59.5 | 232.9 | Up | 08:16:01 - 08:46:01 | -640 |
| Klamath Falls | 08:31:01 | -68.3 | Dark | Down | 59.6 | 233.5 | Up | 08:16:01 - 08:46:01 | -677 |
| Cedarville | 08:30:55 | -68.4 | Dark | Down | 59.0 | 236.6 | Up | 08:15:55 - 08:45:55 | -762 |
| Fall River/Burney | 08:30:59 | -69.3 | Dark | Down | 60.1 | 235.6 | Up | 08:15:59 - 08:45:59 | -805 |
| Greenville | 08:30:58 | -69.9 | Dark | Down | 60.3 | 237.6 | Up | 08:15:58 - 08:45:58 | -905 |
| Gimple | 08:30:57 | -69.9 | Dark | Down | 60.2 | 237.7 | Up | 08:15:57 - 08:45:57 | -906 |
| Quincy | 08:30:58 | -70.1 | Dark | Down | 60.4 | 237.9 | Up | 08:15:58 - 08:45:58 | -927 |
| Dunrhomin | 08:30:12 | -61.8 | Dark | Down | 49.3 | 254.4 | Up | 08:15:12 - 08:45:12 | -932 |
| Portola | 08:30:56 | -70.0 | Dark | Down | 60.2 | 238.7 | Up | 08:15:56 - 08:45:56 | -944 |
| Nikitin | 08:30:12 | -61.9 | Dark | Down | 49.4 | 254.6 | Up | 08:15:12 - 08:45:12 | -952 |
| CU-SBO | 08:30:12 | -62.0 | Dark | Down | 49.5 | 254.6 | Up | 08:15:12 - 08:45:12 | -959 |
| Reno | 08:30:54 | -70.0 | Dark | Down | 59.9 | 239.9 | Up | 08:15:54 - 08:45:54 | -977 |
| Carson City | 08:30:54 | -70.3 | Dark | Down | 60.0 | 240.5 | Up | 08:15:54 - 08:45:54 | -1015 |
| Yerington | 08:30:52 | -70.2 | Dark | Down | 59.7 | 241.6 | Up | 08:15:52 - 08:45:52 | -1041 |
| Gardnerville | 08:30:54 | -70.5 | Dark | Down | 60.1 | 240.9 | Up | 08:15:54 - 08:45:54 | -1042 |
| Hawthorne | 08:30:50 | -70.4 | Dark | Down | 59.6 | 243.0 | Up | 08:15:50 - 08:45:50 | -1094 |
| Lee Vining | 08:30:51 | -71.1 | Dark | Down | 60.1 | 243.2 | Up | 08:15:51 - 08:45:51 | -1152 |
| Bishop | 08:30:49 | -71.2 | Dark | Down | 59.9 | 245.0 | Up | 08:15:49 - 08:45:49 | -1221 |
| Beatty | 08:30:44 | -70.8 | Dark | Down | 58.9 | 247.6 | Up | 08:15:44 - 08:45:44 | -1281 |
| Patrick | 08:30:35 | -70.1 | Dark | Down | 57.2 | 252.8 | Up | 08:15:35 - 08:45:35 | -1455 |
| Laughlin/Bullhead City | 08:30:37 | -70.7 | Dark | Down | 57.9 | 252.5 | Up | 08:15:37 - 08:45:37 | -1480 |
| Lake Havasu City | 08:30:36 | -71.0 | Dark | Down | 57.9 | 253.7 | Up | 08:15:36 - 08:45:36 | -1554 |
| Wildwood | 08:30:50 | -73.8 | Dark | Down | 61.3 | 250.2 | Up | 08:15:50 - 08:45:50 | -1577 |
| Idyllwild | 08:30:43 | -73.0 | Dark | Down | 59.9 | 252.7 | Up | 08:15:43 - 08:45:43 | -1627 |
| George/Scottsdale | 08:30:28 | -69.8 | Dark | Down | 56.1 | 257.0 | Up | 08:15:28 - 08:45:28 | -1647 |
| Calipatria | 08:30:40 | -72.6 | Dark | Down | 59.2 | 254.8 | Up | 08:15:40 - 08:45:40 | -1700 |
| Yuma | 08:30:36 | -72.2 | Dark | Down | 58.6 | 256.3 | Up | 08:15:36 - 08:45:36 | -1751 |
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 11UG412, (2027/12/01 08:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 18.34 143 44Zet Per 03:54:07.9 +31:53:01 2.8 13.29 136 61Tau1Ari 03:21:13.7 +21:08:49 5.3 0.28 127 PPM 092419 03:20:51.5 +20:30:33 8.0 0.39 127 61Tau1Ari 03:21:13.7 +21:08:49 5.3 0.28 127 PPM 092420 03:20:59.0 +20:38:49 10.2 0.26 127 11UG412 03:20:39.7 +20:53:53 15.7 127 Positions are for J2000
Event circumstances last updated at 2023/08/21 03:09:54 UT
Marc W. Buie, Southwest Research Institute