Event between 02GY32 and star UC4-350-078257 with event index number of 115978
Geocentric closest approach at 2018/05/15 11:59:55 UTC
J2000 position of star is 16:00:13.9 -20:03:41
Equinox of date position of star is 16:01:16.6 -20:06:39
Stellar brightness R=15.6,
use SENSEUP=128
Star is 172 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.7
TNO is 36.6 AU from the Sun
and 35.6 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 349 seconds.
The 1-sigma cross-track error in the shadow position is
4250 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=233.4 km assuming a 5% albedo -- 9.7 sec chord
Diameter=95.3 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E
Star training set for 02GY32, (2018/05/15 12:00UT) Object RA Dec mag sep mel Antares 16:30:32.2 -26:28:16 0.9 9.24 162 8Bet1Sco 16:06:30.5 -19:51:16 2.6 1.25 171 PPM 264922 15:58:45.1 -21:02:06 6.1 1.10 171 PPM 231042 16:00:12.0 -19:59:24 8.4 0.29 172 PPM 231065 16:01:37.7 -19:56:11 9.6 0.19 172 02GY32 16:01:18.1 -20:06:44 15.6 171 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 02GY32, (2018/05/15 12:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.24 162 8Bet1Sco 16:05:26.2 -19:48:20 2.6 1.25 171 PPM 264922 15:57:40.5 -20:58:59 6.1 1.10 171 PPM 231042 15:59:07.8 -19:56:20 8.4 0.29 172 PPM 231065 16:00:33.5 -19:53:09 9.6 0.19 172 02GY32 16:00:13.9 -20:03:41 15.6 171 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:32:39 UT
Marc W. Buie, Southwest Research Institute