Event between 00YE2 and star GA1100:01551422 with event index number of 1031405
Geocentric closest approach at 2021/01/08 00:44:24 UTC
J2000 position of star is 05:54:02.4 +20:41:01
Equinox of date position of star is 05:55:17.5 +20:41:10
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 131 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=24.1
TNO is 38.3 AU from the Sun
and 37.3 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 1319 seconds.
The 1-sigma cross-track error in the shadow position is
1697 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=133.7 km assuming a 5% albedo -- 5.7 sec chord
Diameter=54.6 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is 2:1E
Star training set for 00YE2, (2021/01/08 00:44UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.6 +07:24:33 0.4 13.28 130 Alnath 05:27:37.3 +28:37:24 1.6 10.12 136 54Chi1Ori 05:55:37.7 +20:16:41 5.1 0.42 131 PPM 095000 05:53:38.5 +20:41:59 8.2 0.39 131 PPM 095074 05:56:29.0 +20:27:14 8.7 0.36 131 00YE2 05:55:17.6 +20:41:10 16.2 131 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 00YE2, (2021/01/08 00:44UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 13.28 130 Alnath 05:26:17.5 +28:36:23 1.6 10.12 136 54Chi1Ori 05:54:22.7 +20:16:32 5.1 0.42 131 PPM 095000 05:52:23.3 +20:41:46 8.2 0.39 131 PPM 095074 05:55:13.9 +20:27:07 8.7 0.36 131 00YE2 05:54:02.4 +20:41:01 16.2 131 Positions are for J2000
Event circumstances last updated at 2021/01/01 22:29:32 UT
Marc W. Buie, Southwest Research Institute