Event between (15788) 93SB and star GA1140:01614248 with event index number of 1806582
Geocentric closest approach at 2027/12/30 15:52:15 UTC
J2000 position of star is 05:54:30.7 +25:26:14
Equinox of date position of star is 05:55:56.0 +25:26:24
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 7% illuminated.
Apparent brightness V=22.3
Object is 27.0 AU from the Sun
and 26.0 AU from the Earth.
Apparent velocity is 23.3
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 394 seconds.
The 1-sigma cross-track error in the shadow position is
1391 km.
The object has an absolute magnitude Hv=8.0
Diameter=154.9 km assuming a 5% albedo -- 6.6 sec chord
Diameter=63.2 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 3:2E
Star training set for 15788, (2027/12/30 15:50UT) Object RA Dec mag sep mel Betelgeuse 05:56:41.3 +07:24:36 0.4 18.03 137 Alnath 05:28:03.8 +28:37:43 1.6 7.04 132 139 Tau 05:59:43.9 +25:57:17 4.7 0.94 140 PPM 095102 05:57:56.7 +25:19:54 8.3 0.40 139 PPM 095054 05:55:47.2 +25:32:49 9.0 0.15 139 15788 05:56:14.6 +25:26:25 16.9 139 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 15788, (2027/12/30 15:50UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 18.03 137 Alnath 05:26:17.6 +28:36:23 1.6 7.04 132 139 Tau 05:57:59.6 +25:57:14 4.7 0.94 140 PPM 095102 05:56:12.9 +25:19:47 8.3 0.40 139 PPM 095054 05:54:03.3 +25:32:36 9.0 0.15 139 15788 05:54:30.7 +25:26:14 16.9 139 Positions are for J2000
Event circumstances last updated at 2022/12/26 04:15:52 UT
Marc W. Buie, Southwest Research Institute