Event between 07RY326 and star GA1100:17260172 with event index number of 2029830
Geocentric closest approach at 2022/09/23 17:57:32 UTC
J2000 position of star is 23:46:12.9 +20:09:00
Equinox of date position of star is 23:47:20.5 +20:16:24
Stellar brightness G=10.9,
use SENSEUP=4 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.4
TNO is 37.0 AU from the Sun
and 36.1 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 271 seconds.
The 1-sigma cross-track error in the shadow position is
2583 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=173.0 km assuming a 5% albedo -- 7.0 sec chord
Diameter=70.6 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 07RY326, (2022/09/23 17:58UT) Object RA Dec mag sep mel Deneb 20:42:12.5 +45:21:45 1.3 45.41 115 Algenib 00:14:24.5 +15:18:35 2.8 8.13 142 81Phi Peg 23:53:38.9 +19:14:47 5.1 1.80 142 PPM 115785 23:46:38.5 +20:32:31 7.0 0.32 141 PPM 115804 23:47:51.7 +20:14:51 9.6 0.12 142 07RY326 23:47:22.1 +20:16:35 10.9 141 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 07RY326, (2022/09/23 17:58UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 45.41 115 Algenib 00:13:14.2 +15:11:01 2.8 8.13 142 81Phi Peg 23:52:29.3 +19:07:12 5.1 1.80 142 PPM 115785 23:45:29.3 +20:24:56 7.0 0.32 141 PPM 115804 23:46:42.4 +20:07:16 9.6 0.12 142 07RY326 23:46:12.9 +20:09:00 10.9 142 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:08:02 UT
Marc W. Buie, Southwest Research Institute