Event between 04TX357 and star GA1260:02401830 with event index number of 1079483
Geocentric closest approach at 2022/02/02 20:31:00 UTC
J2000 position of star is 05:52:36.3 +36:57:08
Equinox of date position of star is 05:54:05.8 +36:57:20
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=23.4
TNO is 29.1 AU from the Sun
and 28.4 AU from the Earth.
The TNO is moving 16.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 374 seconds.
The 1-sigma cross-track error in the shadow position is
1882 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=112.2 km assuming a 5% albedo -- 7.0 sec chord
Diameter=45.8 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 4:3E
Star training set for 04TX357, (2022/02/02 20:31UT) Object RA Dec mag sep mel Pollux 07:46:39.9 +27:58:16 1.1 25.27 138 34Bet Aur 06:01:09.0 +44:56:50 1.9 8.10 114 31Ups Aur 05:52:32.9 +37:18:35 6.3 0.47 113 PPM 070968 05:54:59.0 +37:20:33 6.7 0.42 114 PPM 070918 05:52:36.6 +37:10:40 10.2 0.37 113 04TX357 05:54:06.5 +36:57:21 15.7 114 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 04TX357, (2022/02/02 20:31UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 25.27 138 34Bet Aur 05:59:31.6 +44:56:51 1.9 8.10 114 31Ups Aur 05:51:02.5 +37:18:19 6.3 0.47 113 PPM 070968 05:53:28.5 +37:20:22 6.7 0.42 114 PPM 070918 05:51:06.3 +37:10:25 10.2 0.37 113 04TX357 05:52:36.3 +36:57:08 15.7 113 Positions are for J2000
Event circumstances last updated at 2021/12/03 01:45:07 UT
Marc W. Buie, Southwest Research Institute