Event between (308933) 06SQ372 and star GA0940:00023302 with event index number of 177456
Geocentric closest approach at 2019/01/11 21:52:10 UTC
J2000 position of star is 00:14:28.0 +05:21:55
Equinox of date position of star is 00:15:26.4 +05:28:14
Stellar brightness G=12.7,
use SENSEUP=16
Star is 13 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=22.6
TNO is 28.6 AU from the Sun
and 28.9 AU from the Earth.
The TNO is moving 15.6
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 158 seconds.
The 1-sigma cross-track error in the shadow position is
2030 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 10.7 sec chord
Diameter=67.8 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURS
Star training set for 308933, (2019/01/11 21:52UT) Object RA Dec mag sep mel Fomalhaut 22:58:41.9 -29:31:16 1.2 39.55 26 Algenib 00:14:13.1 +15:17:21 2.8 9.82 22 41 Psc 00:21:34.7 +08:17:45 5.4 3.21 17 PPM 143305 00:16:37.4 +05:56:58 8.1 0.56 14 PPM 143295 00:15:58.6 +05:41:38 8.8 0.26 14 308933 00:15:26.7 +05:28:16 12.7 14 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 308933, (2019/01/11 21:52UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 39.55 26 Algenib 00:13:14.2 +15:11:01 2.8 9.82 22 41 Psc 00:20:35.9 +08:11:25 5.4 3.21 17 PPM 143305 00:15:38.7 +05:50:38 8.1 0.56 14 PPM 143295 00:14:59.9 +05:35:18 8.8 0.26 14 308933 00:14:28.0 +05:21:55 12.7 13 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:08:28 UT
Marc W. Buie, Southwest Research Institute