Event between (528219) 08KV42 and star GA1380:04690264 with event index number of 1597012
Geocentric closest approach at 2021/02/26 22:37:36 UTC
J2000 position of star is 16:37:10.6 +49:49:45
Equinox of date position of star is 16:37:44.1 +49:47:16
Stellar brightness G=12.7,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 80 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=23.0
TNO is 25.1 AU from the Sun
and 25.0 AU from the Earth.
The TNO is moving 35.0
km/sec on the sky relative to the star, or,
7.0 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is
1023 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 3.0 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURS
Star training set for 528219, (2021/02/26 22:38UT) Object RA Dec mag sep mel Vega 18:37:39.3 +38:48:16 0.0 23.88 104 23Bet Dra 17:30:54.7 +52:17:11 2.8 8.71 87 PPM 055606 16:43:01.5 +49:53:49 6.5 0.86 81 PPM 055581 16:40:24.9 +49:11:52 9.5 0.73 81 PPM 055570 16:39:26.2 +49:54:42 10.3 0.30 80 528219 16:37:44.3 +49:47:15 12.7 80 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 528219, (2021/02/26 22:38UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 23.88 104 23Bet Dra 17:30:25.9 +52:18:05 2.8 8.71 87 PPM 055606 16:42:28.1 +49:56:09 6.5 0.86 81 PPM 055581 16:39:50.6 +49:14:17 9.5 0.73 81 PPM 055570 16:38:52.7 +49:57:09 10.3 0.30 80 528219 16:37:10.6 +49:49:45 12.7 80 Positions are for J2000
Event circumstances last updated at 2021/01/18 21:52:41 UT
Marc W. Buie, Southwest Research Institute