Event between (174567) Varda and star GA0880:06255487 with event index number of 2166920
Geocentric closest approach at 2024/06/10 21:59:40 UTC
J2000 position of star is 17:49:56.3 -01:34:50
Equinox of date position of star is 17:51:11.5 -01:35:10
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=20.1
Object is 45.9 AU from the Sun
and 45.0 AU from the Earth.
Apparent velocity is 24.8
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 139 seconds.
The 1-sigma cross-track error in the shadow position is
1693 km.
The object has an absolute magnitude Hv=3.5
Diameter=1259.0 km assuming a 5% albedo -- 49.1 sec chord
Diameter=514.0 km assuming a 30% albedo -- 20.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 174567, (2024/06/10 22:00UT) Object RA Dec mag sep mel Antares 16:30:54.6 -26:29:03 0.9 31.49 116 60Bet Oph 17:44:40.9 +04:33:32 2.8 6.36 123 PPM 180184 17:53:15.3 -01:14:28 6.3 0.62 128 PPM 180166 17:49:35.4 -01:48:54 8.3 0.46 127 PPM 180173 17:51:09.4 -01:37:30 9.7 0.04 127 174567 17:51:12.4 -01:35:10 14.9 128 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 174567, (2024/06/10 22:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 31.49 116 60Bet Oph 17:43:28.3 +04:34:06 2.8 6.36 123 PPM 180184 17:51:59.5 -01:14:12 6.3 0.62 128 PPM 180166 17:48:19.2 -01:48:30 8.3 0.46 127 PPM 180173 17:49:53.3 -01:37:10 9.7 0.04 127 174567 17:49:56.3 -01:34:50 14.9 127 Positions are for J2000
Event circumstances last updated at 2024/02/28 22:12:26 UT
Marc W. Buie, Southwest Research Institute