Event between 07CS79 and star GA0980:03634085 with event index number of 2018990
Geocentric closest approach at 2022/03/27 11:28:36 UTC
J2000 position of star is 10:41:29.5 +08:00:53
Equinox of date position of star is 10:42:37.7 +07:54:02
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 147 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=23.2
TNO is 43.2 AU from the Sun
and 42.3 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 215 seconds.
The 1-sigma cross-track error in the shadow position is
2833 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=266.7 km assuming a 5% albedo -- 12.1 sec chord
Diameter=108.9 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 07CS79, (2022/03/27 11:27UT) Object RA Dec mag sep mel Regulus 10:09:33.2 +11:51:28 1.3 9.06 156 49 Leo 10:36:12.0 +08:32:06 5.6 1.72 149 PPM 157082 10:42:33.3 +08:26:45 8.4 0.55 147 PPM 157097 10:43:38.6 +08:12:58 8.6 0.40 147 PPM 157083 10:42:42.7 +08:05:16 10.5 0.19 147 07CS79 10:42:39.2 +07:53:53 13.5 147 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 07CS79, (2022/03/27 11:27UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 9.06 156 49 Leo 10:35:02.1 +08:39:01 5.6 1.72 149 PPM 157082 10:41:23.4 +08:33:45 8.4 0.55 147 PPM 157097 10:42:28.8 +08:19:59 8.6 0.40 147 PPM 157083 10:41:32.9 +08:12:16 10.5 0.19 147 07CS79 10:41:29.5 +08:00:53 13.5 147 Positions are for J2000
Event circumstances last updated at 2021/10/03 01:38:19 UT
Marc W. Buie, Southwest Research Institute