Event between (342842) 08YB3 and star GA1380:06409941 with event index number of 1058159
Geocentric closest approach at 2021/02/06 00:44:44 UTC
J2000 position of star is 20:19:03.7 +48:07:24
Equinox of date position of star is 20:19:42.5 +48:11:24
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 88 degrees from the moon.
Moon is 36% illuminated.
TNO apparent brightness V=21.1
TNO is 13.7 AU from the Sun
and 14.0 AU from the Earth.
The TNO is moving 27.5
km/sec on the sky relative to the star, or,
9.7 arcsec/hr.
The 1-sigma error in the time of the event is 19 seconds.
The 1-sigma cross-track error in the shadow position is
509 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 3.0 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2021/02/06 00:45UT) Object RA Dec mag sep mel Deneb 20:42:09.1 +45:21:24 1.3 4.77 89 32 Cyg 20:16:07.4 +47:46:47 5.2 0.73 87 PPM 059551 20:15:21.6 +47:46:30 8.4 0.84 87 PPM 059758 20:21:26.9 +48:05:33 9.8 0.31 88 PPM 059697 20:19:28.1 +48:01:04 10.8 0.18 88 342842 20:19:42.7 +48:11:26 13.5 88 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 342842, (2021/02/06 00:45UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 4.77 89 32 Cyg 20:15:28.2 +47:42:51 5.2 0.73 87 PPM 059551 20:14:42.5 +47:42:35 8.4 0.84 87 PPM 059758 20:20:47.7 +48:01:29 9.8 0.31 88 PPM 059697 20:18:48.9 +47:57:03 10.8 0.18 88 342842 20:19:03.7 +48:07:24 13.5 88 Positions are for J2000
Event circumstances last updated at 2020/12/21 23:43:03 UT
Marc W. Buie, Southwest Research Institute