Event between (33340) 98VG44 and star UC4-558-036339 with event index number of 95369
Geocentric closest approach at 2017/12/17 00:18:48 UTC
J2000 position of star is 06:56:04.9 +21:27:16
Equinox of date position of star is 06:57:09.1 +21:25:48
Stellar brightness R=15.4,
use SENSEUP=128
Star is 148 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=21.2
TNO is 29.5 AU from the Sun
and 28.5 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 289 seconds.
The 1-sigma cross-track error in the shadow position is
1211 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 13.3 sec chord
Diameter=123.3 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 3:2E
Star training set for 33340, (2017/12/17 00:19UT) Object RA Dec mag sep mel Pollux 07:46:24.7 +27:58:53 1.1 12.95 137 Alhena 06:38:45.0 +16:22:57 1.9 6.66 153 36 Gem 06:52:37.6 +21:44:18 5.3 1.10 149 PPM 096714 06:55:25.6 +21:08:13 7.8 0.50 149 PPM 096774 06:57:29.6 +21:22:14 10.0 0.10 148 33340 06:57:09.2 +21:25:48 15.4 148 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 33340, (2017/12/17 00:19UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 12.95 137 Alhena 06:37:42.8 +16:23:57 1.9 6.66 153 36 Gem 06:51:33.0 +21:45:39 5.3 1.10 149 PPM 096714 06:54:21.3 +21:09:39 7.8 0.50 149 PPM 096774 06:56:25.3 +21:23:42 10.0 0.10 148 33340 06:56:04.9 +21:27:16 15.4 148 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:06:18 UT
Marc W. Buie, Southwest Research Institute