Event between 14FY71 and star GA0700:05141698 with event index number of 1114098
Geocentric closest approach at 2021/07/31 23:24:43 UTC
J2000 position of star is 12:58:44.8 -19:13:54
Equinox of date position of star is 12:59:52.7 -19:20:46
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 154 degrees from the moon.
Moon is 46% illuminated.
TNO apparent brightness V=21.6
TNO is 39.7 AU from the Sun
and 40.0 AU from the Earth.
The TNO is moving 15.5
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 169 seconds.
The 1-sigma cross-track error in the shadow position is
1683 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=498.9 km assuming a 5% albedo -- 32.3 sec chord
Diameter=203.7 km assuming a 30% albedo -- 13.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 14FY71, (2021/07/31 23:25UT) Object RA Dec mag sep mel Spica 13:26:20.0 -11:16:24 1.0 10.28 160 9Bet Crv 12:35:31.5 -23:30:57 2.6 7.04 147 PPM 261160 13:04:55.7 -20:41:56 5.5 1.80 154 PPM 226647 13:01:21.5 -19:36:02 8.2 0.43 154 PPM 226609 12:59:37.5 -19:24:41 9.4 0.09 153 14FY71 12:59:53.7 -19:20:52 16.7 154 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 14FY71, (2021/07/31 23:25UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 10.28 160 9Bet Crv 12:34:23.2 -23:23:49 2.6 7.04 147 PPM 261160 13:03:46.3 -20:35:00 5.5 1.80 154 PPM 226647 13:00:12.5 -19:29:04 8.2 0.43 154 PPM 226609 12:58:28.6 -19:17:42 9.4 0.09 153 14FY71 12:58:44.8 -19:13:54 16.7 153 Positions are for J2000
Event circumstances last updated at 2021/04/08 23:42:26 UT
Marc W. Buie, Southwest Research Institute