Event between 14YY49 and star GA0900:03043974 with event index number of 2656717
Geocentric closest approach at 2022/02/28 19:55:35 UTC
J2000 position of star is 07:46:53.2 +01:10:04
Equinox of date position of star is 07:48:01.1 +01:06:46
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 151 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.6
TNO is 21.3 AU from the Sun
and 20.6 AU from the Earth.
The TNO is moving 18.1
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1329 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.2 km assuming a 5% albedo -- 3.0 sec chord
Diameter=22.5 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 14YY49, (2022/02/28 19:56UT) Object RA Dec mag sep mel Sirius 06:46:07.5 -16:44:52 -1.5 23.50 127 Alhena 06:38:59.5 +16:22:43 1.9 22.85 142 13Zet CMi 07:52:50.9 +01:42:32 5.1 1.34 152 PPM 153304 07:48:18.5 +00:51:46 8.5 0.26 150 PPM 153288 07:47:42.2 +01:00:30 9.0 0.13 150 14YY49 07:48:01.9 +01:06:43 16.2 151 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 14YY49, (2022/02/28 19:56UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 23.50 127 Alhena 06:37:42.8 +16:23:57 1.9 22.85 142 13Zet CMi 07:51:42.0 +01:46:01 5.1 1.34 152 PPM 153304 07:47:09.9 +00:55:07 8.5 0.26 150 PPM 153288 07:46:33.6 +01:03:50 9.0 0.13 150 14YY49 07:46:53.2 +01:10:04 16.2 150 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:04:40 UT
Marc W. Buie, Southwest Research Institute