Event between (19255) 94VK8 and star GA1120:01918040 with event index number of 239943
Geocentric closest approach at 2020/01/13 22:09:22 UTC
J2000 position of star is 06:13:07.2 +23:57:07
Equinox of date position of star is 06:14:18.5 +23:56:44
Stellar brightness G=16.3,
use SENSEUP=128
Star is 62 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=23.3
TNO is 42.8 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 972 seconds.
The 1-sigma cross-track error in the shadow position is
1639 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 10.0 sec chord
Diameter=97.9 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 19255, (2020/01/13 22:09UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.4 +07:24:33 0.4 17.09 68 Alhena 06:38:52.2 +16:22:50 1.9 9.50 57 9 Gem 06:18:12.1 +23:43:57 6.1 0.91 61 PPM 095632 06:15:22.4 +23:58:45 8.0 0.24 62 19255 06:14:20.7 +23:56:43 16.3 62 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 19255, (2020/01/13 22:09UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 17.09 68 Alhena 06:37:42.8 +16:23:57 1.9 9.50 57 9 Gem 06:16:58.7 +23:44:27 6.1 0.91 61 PPM 095632 06:14:08.9 +23:59:11 8.0 0.24 62 19255 06:13:07.2 +23:57:07 16.3 62 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:10:02 UT
Marc W. Buie, Southwest Research Institute