Event between (136120) 03LG7 and star UC4-381-091252 with event index number of 80169
Geocentric closest approach at 2017/05/15 20:03:58 UTC
J2000 position of star is 17:42:48.8 -13:50:33
Equinox of date position of star is 17:43:47.9 -13:50:58
Stellar brightness R=15.1,
use SENSEUP=128
Star is 24 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=23.5
TNO is 36.0 AU from the Sun
and 35.1 AU from the Earth.
The TNO is moving 20.1
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 430 seconds.
The 1-sigma cross-track error in the shadow position is
4307 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 7.9 sec chord
Diameter=64.7 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is 3:1EE
Star training set for 136120, (2017/05/15 20:04UT) Object RA Dec mag sep mel Antares 16:30:28.5 -26:28:09 0.9 21.29 40 35Eta Oph 17:11:22.5 -15:44:43 2.6 8.06 31 56Omi Ser 17:42:23.5 -12:52:59 4.4 1.03 25 PPM 233476 17:43:04.4 -13:56:51 8.3 0.20 24 PPM 233490 17:43:39.0 -13:54:22 9.8 0.07 24 136120 17:43:47.9 -13:50:58 15.1 24 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 136120, (2017/05/15 20:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 21.29 40 35Eta Oph 17:10:22.7 -15:43:29 2.6 8.06 31 56Omi Ser 17:41:24.8 -12:52:32 4.4 1.03 25 PPM 233476 17:42:05.2 -13:56:25 8.3 0.20 24 PPM 233490 17:42:39.9 -13:53:57 9.8 0.07 24 136120 17:42:48.8 -13:50:33 15.1 24 Positions are for J2000
Event circumstances last updated at 2017/05/15 17:59:05 UT
Marc W. Buie, Southwest Research Institute