Event between 01XX254 and star GA1080:03175467 with event index number of 1996192
Geocentric closest approach at 2021/10/14 04:56:21 UTC
J2000 position of star is 09:03:21.2 +18:06:46
Equinox of date position of star is 09:04:34.6 +18:01:32
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 171 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=23.8
TNO is 43.1 AU from the Sun
and 43.5 AU from the Earth.
The TNO is moving 15.4
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 210 seconds.
The 1-sigma cross-track error in the shadow position is
2037 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.0 km assuming a 5% albedo -- 13.5 sec chord
Diameter=84.9 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 01XX254, (2021/10/14 04:56UT) Object RA Dec mag sep mel Regulus 10:09:31.8 +11:51:36 1.3 16.84 154 63Omi2Cnc 08:58:48.0 +15:29:47 5.8 2.88 170 PPM 126035 09:03:50.7 +17:39:01 8.4 0.41 171 PPM 126059 09:05:05.1 +17:54:29 8.8 0.17 171 01XX254 09:04:34.8 +18:01:32 14.3 171 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 01XX254, (2021/10/14 04:56UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 16.84 154 63Omi2Cnc 08:57:35.3 +15:34:53 5.8 2.88 170 PPM 126035 09:02:37.3 +17:44:14 8.4 0.41 171 PPM 126059 09:03:51.6 +17:59:44 8.8 0.17 171 01XX254 09:03:21.2 +18:06:46 14.3 171 Positions are for J2000
Event circumstances last updated at 2021/10/02 02:23:13 UT
Marc W. Buie, Southwest Research Institute