Event between (91205) 98US43 and star GA1040:01688504 with event index number of 1676568
Geocentric closest approach at 2027/04/22 17:49:47 UTC
J2000 position of star is 06:16:53.8 +15:07:46
Equinox of date position of star is 06:18:13.1 +15:07:10
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 96% illuminated.
Apparent brightness V=24.2
Object is 38.7 AU from the Sun
and 39.1 AU from the Earth.
Apparent velocity is 18.5
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 522 seconds.
The 1-sigma cross-track error in the shadow position is
3825 km.
The object has an absolute magnitude Hv=8.2
Diameter=151.4 km assuming a 5% albedo -- 7.3 sec chord
Diameter=61.8 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 3:2E
Star training set for 91205, (2027/04/22 18:00UT) Object RA Dec mag sep mel Betelgeuse 05:56:39.1 +07:24:35 0.4 9.38 140 Alhena 06:39:17.3 +16:22:25 1.9 5.17 134 PPM 122243 06:19:38.9 +14:22:13 6.2 0.80 138 PPM 122143 06:16:02.0 +15:16:56 8.3 0.61 139 PPM 122248 06:19:57.5 +15:08:45 8.9 0.36 138 91205 06:18:27.6 +15:07:03 16.5 138 Positions are for equinox of date
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 91205, (2027/04/22 18:00UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 9.38 140 Alhena 06:37:42.8 +16:23:56 1.9 5.17 134 PPM 122243 06:18:05.6 +14:22:58 6.2 0.80 138 PPM 122143 06:14:28.1 +15:17:32 8.3 0.61 139 PPM 122248 06:18:23.7 +15:09:31 8.9 0.36 138 91205 06:16:53.8 +15:07:46 16.5 138 Positions are for J2000
Event circumstances last updated at 2023/02/01 03:43:43 UT
Marc W. Buie, Southwest Research Institute