Event between (560039) 15FP36 and star GA0940:04026104 with event index number of 2416954
Geocentric closest approach at 2022/08/20 19:04:58 UTC
J2000 position of star is 15:14:20.9 +05:57:46
Equinox of date position of star is 15:15:27.1 +05:52:51
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=21.9
TNO is 26.9 AU from the Sun
and 27.1 AU from the Earth.
The TNO is moving 17.0
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 78 seconds.
The 1-sigma cross-track error in the shadow position is
1343 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=197.7 km assuming a 5% albedo -- 11.6 sec chord
Diameter=80.7 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 3:2E
Star training set for 560039, (2022/08/20 19:05UT) Object RA Dec mag sep mel Arcturus 14:16:41.8 +19:03:58 0.0 19.46 121 Unukalhai 15:45:23.1 +06:21:21 2.6 7.45 144 3 Ser 15:16:19.0 +04:51:24 5.3 1.04 141 PPM 161400 15:17:00.6 +06:22:55 7.4 0.63 140 PPM 161398 15:16:52.3 +06:04:10 11.0 0.40 140 560039 15:15:28.2 +05:52:47 16.8 141 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 560039, (2022/08/20 19:05UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 19.46 121 Unukalhai 15:44:16.3 +06:25:33 2.6 7.45 144 3 Ser 15:15:11.3 +04:56:22 5.3 1.04 141 PPM 161400 15:15:53.5 +06:27:52 7.4 0.63 140 PPM 161398 15:15:45.1 +06:09:07 11.0 0.40 140 560039 15:14:20.9 +05:57:46 16.8 140 Positions are for J2000
Event circumstances last updated at 2022/04/17 00:15:45 UT
Marc W. Buie, Southwest Research Institute