Event between (20000) Varuna and star GA1160:03035565 with event index number of 251426
Geocentric closest approach at 2020/03/17 22:45:47 UTC
J2000 position of star is 08:23:47.8 +27:15:24
Equinox of date position of star is 08:25:01.2 +27:11:25
Stellar brightness G=16.1,
use SENSEUP=128
Star is 163 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=26.5
TNO is 44.0 AU from the Sun
and 43.4 AU from the Earth.
The TNO is moving 13.2
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 193 seconds.
The 1-sigma cross-track error in the shadow position is
1583 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=1148.2 km assuming a 5% albedo -- 4.6 sec chord
Diameter=468.7 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 20000, (2020/03/17 22:46UT) Object RA Dec mag sep mel Pollux 07:46:33.0 +27:58:33 1.1 8.56 171 23Phi2Cnc 08:28:00.1 +26:52:03 6.4 0.74 162 PPM 098643 08:24:01.8 +27:27:28 8.5 0.35 163 PPM 098659 08:24:54.4 +27:09:01 9.2 0.05 163 20000 08:25:01.2 +27:11:25 16.1 163 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 20000, (2020/03/17 22:46UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 8.56 171 23Phi2Cnc 08:26:47.0 +26:56:06 6.4 0.74 162 PPM 098643 08:22:48.2 +27:31:25 8.5 0.35 163 PPM 098659 08:23:41.1 +27:13:00 9.2 0.05 163 20000 08:23:47.8 +27:15:24 16.1 163 Positions are for J2000
Event circumstances last updated at 2020/03/16 21:17:32 UT
Marc W. Buie, Southwest Research Institute