Event between (20000) Varuna and star GA1160:03097292 with event index number of 1300817
Geocentric closest approach at 2023/10/10 19:45:49 UTC
J2000 position of star is 08:52:51.2 +26:32:13
Equinox of date position of star is 08:54:04.3 +26:27:31
Stellar brightness G=16.9,
use SENSEUP=128
Star is 26 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=26.6
TNO is 44.1 AU from the Sun
and 44.5 AU from the Earth.
The TNO is moving 15.6
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 291 seconds.
The 1-sigma cross-track error in the shadow position is
1758 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=1148.2 km assuming a 5% albedo -- 3.9 sec chord
Diameter=468.7 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 20000, (2023/10/10 19:46UT) Object RA Dec mag sep mel Pollux 07:46:46.2 +27:58:01 1.1 15.07 40 58Rho2Cnc 08:57:04.9 +27:50:07 6.0 1.52 26 PPM 099140 08:55:46.0 +26:49:55 8.4 0.51 26 PPM 099129 08:55:14.8 +26:49:18 9.1 0.43 26 PPM 099101 08:53:21.5 +26:36:06 10.5 0.26 26 20000 08:54:15.9 +26:26:46 16.9 25 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, (2023/10/10 19:46UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 15.07 40 58Rho2Cnc 08:55:39.7 +27:55:38 6.0 1.52 26 PPM 099140 08:54:21.2 +26:55:25 8.4 0.51 26 PPM 099129 08:53:50.0 +26:54:47 9.1 0.43 26 PPM 099101 08:51:56.8 +26:41:32 10.5 0.26 26 20000 08:52:51.2 +26:32:13 16.9 26 Positions are for J2000
Event circumstances last updated at 2020/07/08 22:17:48 UT
Marc W. Buie, Southwest Research Institute