Event between (225088) 07OR10 and star GA0780:22016545 with event index number of 191212
Geocentric closest approach at 2019/05/15 08:57:12 UTC
J2000 position of star is 22:27:18.7 -11:45:30
Equinox of date position of star is 22:28:20.3 -11:39:33
Stellar brightness G=15.1,
use SENSEUP=128
Star is 146 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=21.3
TNO is 88.2 AU from the Sun
and 88.4 AU from the Earth.
The TNO is moving 7.6
km/sec on the sky relative to the star, or,
0.4 arcsec/hr.
The 1-sigma error in the time of the event is 610 seconds.
The 1-sigma cross-track error in the shadow position is
4316 km.
The TNO has an absolute magnitude Hv=1.8
Diameter=2630.4 km assuming a 5% albedo -- 344.2 sec chord
Diameter=1073.8 km assuming a 30% albedo -- 140.5 sec chord
Dynamical classification is 10:3EEEEEEE
Star training set for 225088, (2019/05/15 08:57UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.0 -29:31:09 1.2 19.21 143 50 Aqr 22:25:29.2 -13:25:50 5.8 1.90 145 PPM 240265 22:27:14.2 -11:57:06 8.4 0.40 145 PPM 240294 22:27:58.7 -11:49:06 9.5 0.18 146 225088 22:28:20.3 -11:39:33 15.1 146 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 225088, (2019/05/15 08:57UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 19.21 143 50 Aqr 22:24:27.1 -13:31:46 5.8 1.90 145 PPM 240265 22:26:12.5 -12:03:03 8.4 0.40 145 PPM 240294 22:26:57.0 -11:55:03 9.5 0.18 146 225088 22:27:18.7 -11:45:30 15.1 146 Positions are for J2000
Event circumstances last updated at 2019/05/08 22:54:12 UT
Marc W. Buie, Southwest Research Institute