Event between 97CT29 and star GA0960:03682311 with event index number of 1049334
Geocentric closest approach at 2021/02/04 15:13:42 UTC
J2000 position of star is 10:58:05.4 +07:43:11
Equinox of date position of star is 10:59:11.1 +07:36:24
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 62 degrees from the moon.
Moon is 51% illuminated.
TNO apparent brightness V=23.1
TNO is 44.4 AU from the Sun
and 43.5 AU from the Earth.
The TNO is moving 22.4
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 350 seconds.
The 1-sigma cross-track error in the shadow position is
4901 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=293.8 km assuming a 5% albedo -- 13.1 sec chord
Diameter=119.9 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 97CT29, (2021/02/04 15:14UT) Object RA Dec mag sep mel Regulus 10:09:29.6 +11:51:48 1.3 12.96 75 59 Leo 11:01:50.4 +05:59:15 5.1 1.75 61 PPM 157343 10:57:02.8 +07:34:00 8.1 0.53 62 PPM 157373 10:58:42.0 +07:22:48 9.9 0.26 62 97CT29 10:59:11.3 +07:36:23 17.0 62 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 97CT29, (2021/02/04 15:14UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 12.96 75 59 Leo 11:00:44.8 +06:06:04 5.1 1.75 61 PPM 157343 10:55:56.9 +07:40:47 8.1 0.53 62 PPM 157373 10:57:36.1 +07:29:36 9.9 0.26 62 97CT29 10:58:05.4 +07:43:11 17.0 62 Positions are for J2000
Event circumstances last updated at 2021/01/18 21:18:41 UT
Marc W. Buie, Southwest Research Institute