Event between 09YR26 and star GA1100:02870053 with event index number of 2076096
Geocentric closest approach at 2022/03/30 19:11:09 UTC
J2000 position of star is 07:37:40.6 +20:02:56
Equinox of date position of star is 07:38:58.7 +19:59:51
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=22.2
TNO is 40.3 AU from the Sun
and 40.0 AU from the Earth.
The TNO is moving 3.6
km/sec on the sky relative to the star, or,
0.4 arcsec/hr.
The 1-sigma error in the time of the event is 469 seconds.
The 1-sigma cross-track error in the shadow position is
2096 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=385.5 km assuming a 5% albedo -- 108.4 sec chord
Diameter=157.4 km assuming a 30% albedo -- 44.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 09YR26, (2022/03/30 19:11UT) Object RA Dec mag sep mel Pollux 07:46:40.5 +27:58:14 1.1 8.16 121 61 Gem 07:28:14.9 +20:12:41 6.2 2.53 118 PPM 097751 07:38:23.8 +20:06:18 7.7 0.17 120 PPM 097744 07:38:14.2 +20:00:02 10.0 0.17 120 09YR26 07:38:58.9 +19:59:51 14.1 121 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 09YR26, (2022/03/30 19:11UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 8.16 121 61 Gem 07:26:56.3 +20:15:27 6.2 2.53 118 PPM 097751 07:37:05.5 +20:09:23 7.7 0.17 120 PPM 097744 07:36:56.0 +20:03:06 10.0 0.17 120 09YR26 07:37:40.6 +20:02:56 14.1 121 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:00:54 UT
Marc W. Buie, Southwest Research Institute