Event between 14AM55 and star UC4-533-049078 with event index number of 134261
Geocentric closest approach at 2018/03/01 18:38:18 UTC
J2000 position of star is 09:15:06.7 +16:35:17
Equinox of date position of star is 09:16:06.5 +16:30:46
Stellar brightness R=15.4,
use SENSEUP=128
Star is 22 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.0
TNO is 48.2 AU from the Sun
and 47.3 AU from the Earth.
The TNO is moving 23.3
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 312 seconds.
The 1-sigma cross-track error in the shadow position is
3077 km.
The TNO has an absolute magnitude Hv=5.1
Diameter=588.9 km assuming a 5% albedo -- 25.3 sec chord
Diameter=240.4 km assuming a 30% albedo -- 10.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 14AM55, (2018/03/01 18:38UT) Object RA Dec mag sep mel Regulus 10:09:20.3 +11:52:40 1.3 13.70 8 PPM 126361 09:22:15.4 +15:17:36 6.4 1.91 20 PPM 126247 09:15:58.2 +15:55:42 8.3 0.58 21 PPM 126231 09:15:01.3 +16:53:08 9.2 0.46 22 PPM 126251 09:16:08.3 +16:27:39 10.3 0.05 22 14AM55 09:16:07.3 +16:30:43 15.4 21 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 14AM55, (2018/03/01 18:38UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 13.70 8 PPM 126361 09:21:15.3 +15:22:17 6.4 1.91 20 PPM 126247 09:14:57.8 +16:00:16 8.3 0.58 21 PPM 126231 09:14:00.5 +16:57:41 9.2 0.46 22 PPM 126251 09:15:07.8 +16:32:13 10.3 0.05 22 14AM55 09:15:06.7 +16:35:17 15.4 22 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:19:01 UT
Marc W. Buie, Southwest Research Institute