Event between 14LO28 and star GA0960:17105783 with event index number of 2506007
Geocentric closest approach at 2021/12/14 22:30:44 UTC
J2000 position of star is 21:47:26.6 +06:34:56
Equinox of date position of star is 21:48:31.8 +06:41:03
Stellar brightness G=12.0,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 68 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=21.4
TNO is 39.9 AU from the Sun
and 40.2 AU from the Earth.
The TNO is moving 17.5
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 92 seconds.
The 1-sigma cross-track error in the shadow position is
1555 km.
The TNO has an absolute magnitude Hv=5.2
Diameter=512.9 km assuming a 5% albedo -- 31.6 sec chord
Diameter=209.4 km assuming a 30% albedo -- 12.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 14LO28, (2021/12/14 22:31UT) Object RA Dec mag sep mel Markab 23:05:51.4 +15:19:26 2.5 20.83 48 4 Peg 21:39:37.9 +05:52:18 5.9 2.36 70 PPM 172235 21:47:37.0 +06:38:15 8.0 0.23 68 14LO28 21:48:32.2 +06:41:05 12.0 68 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 14LO28, (2021/12/14 22:31UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 20.83 48 4 Peg 21:38:32.1 +05:46:19 5.9 2.36 70 PPM 172235 21:46:31.4 +06:32:07 8.0 0.23 68 14LO28 21:47:26.6 +06:34:56 12.0 68 Positions are for J2000
Event circumstances last updated at 2021/10/26 23:50:11 UT
Marc W. Buie, Southwest Research Institute