Event between 11OB60 and star GA0760:24437704 with event index number of 2628693
Geocentric closest approach at 2022/10/16 11:50:06 UTC
J2000 position of star is 23:58:47.6 -12:14:31
Equinox of date position of star is 23:59:57.5 -12:06:55
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=22.5
TNO is 37.0 AU from the Sun
and 36.1 AU from the Earth.
The TNO is moving 20.2
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 139 seconds.
The 1-sigma cross-track error in the shadow position is
1563 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=257.0 km assuming a 5% albedo -- 12.7 sec chord
Diameter=104.9 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 11OB60, (2022/10/16 11:52UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.3 -29:30:03 1.2 22.44 125 Diphda 00:44:43.9 -17:51:43 2.0 12.24 98 3 Cet 00:05:40.1 -10:22:58 4.5 2.23 104 PPM 242369 00:00:13.1 -11:48:42 8.3 0.31 105 PPM 242376 00:00:36.8 -12:13:10 9.2 0.19 105 11OB60 23:59:57.7 -12:06:54 15.1 105 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 11OB60, (2022/10/16 11:52UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 22.44 125 Diphda 00:43:35.7 -17:59:11 2.0 12.24 98 3 Cet 00:04:30.1 -10:30:34 4.5 2.23 104 PPM 242369 23:59:03.0 -11:56:19 8.3 0.31 105 PPM 242376 23:59:26.7 -12:20:47 9.2 0.19 105 11OB60 23:58:47.6 -12:14:31 15.1 106 Positions are for J2000
Event circumstances last updated at 2022/09/28 04:18:08 UT
Marc W. Buie, Southwest Research Institute