Event between (590218) 11UD63 and star GA1160:01942970 with event index number of 2686036
Geocentric closest approach at 2028/02/22 11:00:24 UTC
J2000 position of star is 06:07:00.6 +27:57:42
Equinox of date position of star is 06:08:31.1 +27:57:25
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 150 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=20.3
Object is 13.6 AU from the Sun
and 13.1 AU from the Earth.
Apparent velocity is 7.5
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 288 seconds.
The 1-sigma cross-track error in the shadow position is
1243 km.
The object has an absolute magnitude Hv=8.7
Diameter=105.2 km assuming a 5% albedo -- 14.5 sec chord
Diameter=42.9 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CENTAURR
Star training set for 590218, (2028/02/22 10:57UT) Object RA Dec mag sep mel Betelgeuse 05:56:41.8 +07:24:36 0.4 20.74 144 Alnath 05:28:04.4 +28:37:43 1.6 8.98 141 PPM 095226 06:02:46.6 +27:34:16 6.0 1.38 149 PPM 095434 06:09:26.3 +27:51:15 8.4 0.18 150 PPM 095436 06:09:29.3 +27:56:43 9.7 0.16 150 590218 06:08:47.1 +27:57:22 16.1 151 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 590218, (2028/02/22 10:57UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 20.74 144 Alnath 05:26:17.6 +28:36:23 1.6 8.98 141 PPM 095226 06:01:00.4 +27:34:21 6.0 1.38 149 PPM 095434 06:07:39.9 +27:51:36 8.4 0.18 150 PPM 095436 06:07:42.8 +27:57:04 9.7 0.16 150 590218 06:07:00.6 +27:57:42 16.1 150 Positions are for J2000
Event circumstances last updated at 2023/12/08 04:38:28 UT
Marc W. Buie, Southwest Research Institute