Event between 06HV122 and star GA0620:07656345 with event index number of 1085924
Geocentric closest approach at 2021/05/30 11:42:16 UTC
J2000 position of star is 15:54:41.9 -26:39:17
Equinox of date position of star is 15:55:59.7 -26:42:58
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 62 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=23.0
TNO is 40.1 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 437 seconds.
The 1-sigma cross-track error in the shadow position is
5754 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=243.2 km assuming a 5% albedo -- 10.2 sec chord
Diameter=99.3 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 06HV122, (2021/05/30 11:42UT) Object RA Dec mag sep mel Antares 16:30:43.4 -26:28:40 0.9 7.76 55 7Del Sco 16:01:36.2 -22:40:51 2.3 4.23 62 PPM 264761 15:51:52.5 -26:21:12 6.5 0.99 63 PPM 264868 15:57:00.1 -26:48:32 7.6 0.24 62 PPM 264857 15:56:29.2 -26:47:43 10.0 0.13 62 06HV122 15:56:00.1 -26:42:59 16.7 62 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 06HV122, (2021/05/30 11:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.76 55 7Del Sco 16:00:20.0 -22:37:18 2.3 4.23 62 PPM 264761 15:50:34.7 -26:17:23 6.5 0.99 63 PPM 264868 15:55:41.9 -26:44:52 7.6 0.24 62 PPM 264857 15:55:11.0 -26:44:02 10.0 0.13 62 06HV122 15:54:41.9 -26:39:17 16.7 62 Positions are for J2000
Event circumstances last updated at 2021/04/19 23:03:31 UT
Marc W. Buie, Southwest Research Institute