Event between 01HZ58 and star GA0700:06182732 with event index number of 1989421
Geocentric closest approach at 2022/04/05 19:09:52 UTC
J2000 position of star is 16:07:00.3 -19:34:00
Equinox of date position of star is 16:08:17.8 -19:37:29
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 175 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=23.1
TNO is 43.8 AU from the Sun
and 43.1 AU from the Earth.
The TNO is moving 15.2
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 420 seconds.
The 1-sigma cross-track error in the shadow position is
2217 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 19.4 sec chord
Diameter=120.5 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 01HZ58, (2022/04/05 19:10UT) Object RA Dec mag sep mel Antares 16:30:46.6 -26:28:46 0.9 8.58 176 8Bet1Sco 16:06:44.1 -19:51:53 2.6 0.44 175 8Bet2Sco 16:06:44.5 -19:51:39 5.1 0.44 175 PPM 231181 16:07:02.7 -19:44:25 7.9 0.32 175 PPM 231225 16:08:20.8 -19:30:16 9.8 0.12 175 01HZ58 16:08:18.1 -19:37:30 16.7 175 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 01HZ58, (2022/04/05 19:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.58 176 8Bet1Sco 16:05:26.2 -19:48:20 2.6 0.44 175 8Bet2Sco 16:05:26.7 -19:48:07 5.1 0.44 175 PPM 231181 16:05:44.8 -19:40:53 7.9 0.32 175 PPM 231225 16:07:03.1 -19:26:46 9.8 0.12 175 01HZ58 16:07:00.3 -19:34:00 16.7 175 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:12:04 UT
Marc W. Buie, Southwest Research Institute