Event between 15FP36 and star GA0960:04108628 with event index number of 1989157
Geocentric closest approach at 2021/08/27 11:40:36 UTC
J2000 position of star is 15:03:18.3 +06:18:38
Equinox of date position of star is 15:04:21.9 +06:13:40
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 159 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=22.0
TNO is 27.1 AU from the Sun
and 27.4 AU from the Earth.
The TNO is moving 20.5
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is
1306 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=202.3 km assuming a 5% albedo -- 9.9 sec chord
Diameter=82.6 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
Star training set for 15FP36, (2021/08/27 11:40UT) Object RA Dec mag sep mel Arcturus 14:16:39.0 +19:04:14 0.0 17.32 151 Unukalhai 15:45:20.2 +06:21:32 2.6 10.18 151 PPM 161289 15:08:44.9 +05:24:57 6.2 1.36 159 PPM 161288 15:08:38.6 +06:11:12 8.5 1.06 158 PPM 161240 15:06:17.5 +06:12:19 8.9 0.48 158 PPM 161220 15:04:31.8 +06:17:41 10.5 0.08 159 15FP36 15:04:22.6 +06:13:36 13.8 159 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 15FP36, (2021/08/27 11:40UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 17.32 151 Unukalhai 15:44:16.3 +06:25:33 2.6 10.18 151 PPM 161289 15:07:40.3 +05:29:53 6.2 1.36 159 PPM 161288 15:07:34.3 +06:16:08 8.5 1.06 158 PPM 161240 15:05:13.2 +06:17:18 8.9 0.48 158 PPM 161220 15:03:27.5 +06:22:43 10.5 0.08 159 15FP36 15:03:18.3 +06:18:38 13.8 159 Positions are for J2000
Event circumstances last updated at 2021/05/25 23:36:18 UT
Marc W. Buie, Southwest Research Institute