Event between (523675) 13PV74 and star GA0780:22042154 with event index number of 2625370
Geocentric closest approach at 2021/10/02 00:10:26 UTC
J2000 position of star is 22:39:58.2 -10:48:19
Equinox of date position of star is 22:41:06.8 -10:41:30
Stellar brightness G=13.7,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 23% illuminated.
TNO apparent brightness V=21.9
TNO is 41.5 AU from the Sun
and 40.7 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 95 seconds.
The 1-sigma cross-track error in the shadow position is
1667 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=436.5 km assuming a 5% albedo -- 21.6 sec chord
Diameter=178.2 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 523675, (2021/10/02 00:11UT) Object RA Dec mag sep mel Fomalhaut 22:58:50.9 -29:30:23 1.2 19.26 153 70 Aqr 22:49:38.8 -10:26:24 6.2 2.11 153 PPM 240584 22:41:29.6 -11:29:29 8.2 0.81 155 PPM 240557 22:40:11.9 -10:52:54 9.6 0.29 155 523675 22:41:06.9 -10:41:29 13.7 154 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 523675, (2021/10/02 00:11UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 19.26 153 70 Aqr 22:48:30.3 -10:33:20 6.2 2.11 153 PPM 240584 22:40:20.7 -11:36:19 8.2 0.81 155 PPM 240557 22:39:03.1 -10:59:43 9.6 0.29 155 523675 22:39:58.2 -10:48:19 13.7 155 Positions are for J2000
Event circumstances last updated at 2021/09/12 01:25:33 UT
Marc W. Buie, Southwest Research Institute