Event between (517717) 15KZ120 and star GA1600:00302947 with event index number of 2627125
Geocentric closest approach at 2022/03/22 21:28:09 UTC
J2000 position of star is 00:42:54.5 +70:57:11
Equinox of date position of star is 00:44:19.1 +71:04:28
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=20.7
TNO is 10.2 AU from the Sun
and 10.5 AU from the Earth.
The TNO is moving 37.6
km/sec on the sky relative to the star, or,
17.8 arcsec/hr.
The 1-sigma error in the time of the event is 34 seconds.
The 1-sigma cross-track error in the shadow position is
430 km.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 1.5 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.6 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2022/03/22 21:28UT) Object RA Dec mag sep mel Deneb 20:42:11.4 +45:21:38 1.3 38.26 93 27Gam Cas 00:58:04.1 +60:50:12 1.6 10.33 130 PPM 004414 00:34:40.5 +71:06:15 6.4 0.78 122 PPM 004475 00:45:27.9 +70:56:42 7.7 0.16 123 517717 00:44:19.2 +71:04:28 17.0 123 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 517717, (2022/03/22 21:28UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 38.26 93 27Gam Cas 00:56:42.6 +60:43:00 1.6 10.33 130 PPM 004414 00:33:19.4 +70:58:54 6.4 0.78 122 PPM 004475 00:44:02.9 +70:49:25 7.7 0.16 123 517717 00:42:54.5 +70:57:11 17.0 123 Positions are for J2000
Event circumstances last updated at 2022/03/15 00:59:34 UT
Marc W. Buie, Southwest Research Institute