Event between 00FB8 and star UC4-395-055734 with event index number of 54245
Geocentric closest approach at 2017/04/18 17:46:46 UTC
J2000 position of star is 13:27:19.3 -11:06:17
Equinox of date position of star is 13:28:14.2 -11:11:39
Stellar brightness R=15.2,
use SENSEUP=128
Star is 87 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=24.7
TNO is 45.5 AU from the Sun
and 44.5 AU from the Earth.
The TNO is moving 25.7
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 261 seconds.
The 1-sigma cross-track error in the shadow position is
5684 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=140.6 km assuming a 5% albedo -- 5.5 sec chord
Diameter=57.4 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is 3:2E
Star training set for 00FB8, (2017/04/18 17:47UT) Object RA Dec mag sep mel Spica 13:26:06.4 -11:15:04 1.0 0.53 88 68 Vir 13:27:38.1 -12:47:50 5.3 1.61 87 PPM 227239 13:24:51.2 -10:57:40 8.1 0.86 88 PPM 227318 13:28:30.4 -11:00:45 9.4 0.19 87 00FB8 13:28:14.2 -11:11:38 15.2 87 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 00FB8, (2017/04/18 17:47UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 0.53 88 68 Vir 13:26:43.0 -12:42:28 5.3 1.61 87 PPM 227239 13:23:56.4 -10:52:16 8.1 0.86 88 PPM 227318 13:27:35.6 -10:55:24 9.4 0.19 87 00FB8 13:27:19.3 -11:06:17 15.2 87 Positions are for J2000
Event circumstances last updated at 2017/04/24 16:02:18 UT
Marc W. Buie, Southwest Research Institute