Event between 11BN170 and star GA1140:03172454 with event index number of 2116487
Geocentric closest approach at 2022/11/15 01:17:31 UTC
J2000 position of star is 09:25:19.9 +25:26:04
Equinox of date position of star is 09:26:35.8 +25:20:21
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 11 degrees from the moon.
Moon is 64% illuminated.
TNO apparent brightness V=22.4
TNO is 35.2 AU from the Sun
and 35.1 AU from the Earth.
The TNO is moving 6.3
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 312 seconds.
The 1-sigma cross-track error in the shadow position is
3783 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=266.7 km assuming a 5% albedo -- 42.7 sec chord
Diameter=108.9 km assuming a 30% albedo -- 17.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 11BN170, (2022/11/15 01:09UT) Object RA Dec mag sep mel Regulus 10:09:35.3 +11:51:16 1.3 16.87 24 1Kap Leo 09:25:58.9 +26:04:57 4.5 0.76 10 PPM 099579 09:27:29.9 +25:28:32 8.5 0.24 11 11BN170 09:26:39.3 +25:20:06 14.7 11 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 11BN170, (2022/11/15 01:09UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 16.87 24 1Kap Leo 09:24:39.2 +26:10:55 4.5 0.76 10 PPM 099579 09:26:10.6 +25:34:32 8.5 0.24 11 11BN170 09:25:19.9 +25:26:04 14.7 11 Positions are for J2000
Event circumstances last updated at 2021/11/16 00:40:11 UT
Marc W. Buie, Southwest Research Institute