Event between (15875) 96TP66 and star GA1160:01725483 with event index number of 1105506
Geocentric closest approach at 2021/04/16 06:59:53 UTC
J2000 position of star is 05:56:48.5 +27:27:43
Equinox of date position of star is 05:58:07.9 +27:27:48
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 18 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=22.0
TNO is 29.9 AU from the Sun
and 30.4 AU from the Earth.
The TNO is moving 19.1
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 182 seconds.
The 1-sigma cross-track error in the shadow position is
1227 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 12.6 sec chord
Diameter=97.9 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is 3:2E
Star training set for 15875, (2021/04/16 07:01UT) Object RA Dec mag sep mel Betelgeuse 05:56:19.5 +07:24:33 0.4 20.06 23 Alnath 05:27:38.4 +28:37:24 1.6 6.83 12 PPM 095226 06:02:20.8 +27:34:18 6.0 0.94 19 PPM 095089 05:57:00.7 +27:43:03 7.6 0.36 18 PPM 095127 05:58:25.4 +27:36:07 10.0 0.15 18 15875 05:58:08.7 +27:27:48 16.6 18 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, (2021/04/16 07:01UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 20.06 23 Alnath 05:26:17.5 +28:36:23 1.6 6.83 12 PPM 095226 06:01:00.4 +27:34:21 6.0 0.94 19 PPM 095089 05:55:40.2 +27:42:56 7.6 0.36 18 PPM 095127 05:57:05.0 +27:36:03 10.0 0.15 18 15875 05:56:48.5 +27:27:43 16.6 18 Positions are for J2000
Event circumstances last updated at 2021/01/21 20:42:07 UT
Marc W. Buie, Southwest Research Institute