Event between 07LJ38 and star UC4-471-063505 with event index number of 102264
Geocentric closest approach at 2017/04/29 04:31:44 UTC
J2000 position of star is 17:35:55.7 +04:05:49
Equinox of date position of star is 17:36:47.3 +04:05:13
Stellar brightness R=16.2,
use SENSEUP=128
Star is 157 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=23.2
TNO is 38.4 AU from the Sun
and 37.7 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 578 seconds.
The 1-sigma cross-track error in the shadow position is
4219 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 12.3 sec chord
Diameter=86.5 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 07LJ38, (2017/04/29 04:32UT) Object RA Dec mag sep mel Antares 16:30:28.3 -26:28:08 0.9 34.51 168 60Bet Oph 17:44:19.7 +04:33:41 2.8 1.94 156 PPM 164135 17:32:13.6 +02:42:47 6.5 1.78 158 PPM 164260 17:36:32.4 +04:08:13 8.5 0.08 157 07LJ38 17:36:47.3 +04:05:13 16.2 157 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 07LJ38, (2017/04/29 04:32UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 34.51 168 60Bet Oph 17:43:28.3 +04:34:05 2.8 1.94 156 PPM 164135 17:31:21.4 +02:43:30 6.5 1.78 158 PPM 164260 17:35:40.8 +04:08:49 8.5 0.08 157 07LJ38 17:35:55.7 +04:05:49 16.2 157 Positions are for J2000
Event circumstances last updated at 2017/04/24 16:04:17 UT
Marc W. Buie, Southwest Research Institute