Event between (15875) 96TP66 and star GA1160:01924993 with event index number of 1105626
Geocentric closest approach at 2022/02/20 16:06:09 UTC
J2000 position of star is 06:06:10.7 +27:26:27
Equinox of date position of star is 06:07:33.3 +27:26:14
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=22.2
TNO is 30.2 AU from the Sun
and 29.7 AU from the Earth.
The TNO is moving 9.6
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 423 seconds.
The 1-sigma cross-track error in the shadow position is
1185 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 21.2 sec chord
Diameter=83.4 km assuming a 30% albedo -- 8.6 sec chord
Dynamical classification is 3:2E
Star training set for 15875, (2022/02/20 16:03UT) Object RA Dec mag sep mel Betelgeuse 05:56:22.3 +07:24:34 0.4 20.20 111 Alnath 05:27:41.6 +28:37:27 1.6 8.88 117 PPM 095226 06:02:24.0 +27:34:18 6.0 1.15 110 PPM 095320 06:05:24.6 +27:34:03 8.1 0.50 109 PPM 095350 06:06:25.4 +27:42:37 9.7 0.37 109 PPM 095396 06:08:00.2 +27:37:48 11.9 0.22 108 15875 06:07:34.1 +27:26:14 16.0 108 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 15875, (2022/02/20 16:03UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 20.20 111 Alnath 05:26:17.5 +28:36:23 1.6 8.88 117 PPM 095226 06:01:00.4 +27:34:21 6.0 1.15 110 PPM 095320 06:04:01.0 +27:34:13 8.1 0.50 109 PPM 095350 06:05:01.8 +27:42:48 9.7 0.37 109 PPM 095396 06:06:36.7 +27:38:03 11.9 0.22 108 15875 06:06:10.7 +27:26:27 16.0 109 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:04:21 UT
Marc W. Buie, Southwest Research Institute