Event between 10TH and star GA0960:00997027 with event index number of 1032659
Geocentric closest approach at 2021/01/24 18:16:41 UTC
J2000 position of star is 05:51:33.9 +07:02:11
Equinox of date position of star is 05:52:42.1 +07:02:25
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 19 degrees from the moon.
Moon is 84% illuminated.
TNO apparent brightness V=22.2
TNO is 19.0 AU from the Sun
and 18.2 AU from the Earth.
The TNO is moving 19.7
km/sec on the sky relative to the star, or,
5.4 arcsec/hr.
The 1-sigma error in the time of the event is 53 seconds.
The 1-sigma cross-track error in the shadow position is
780 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=81.7 km assuming a 5% albedo -- 4.1 sec chord
Diameter=33.3 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 10TH, (2021/01/24 18:17UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.8 +07:24:33 0.4 0.97 19 Bellatrix 05:26:15.7 +06:22:01 1.6 6.60 17 52 Ori 05:49:08.1 +06:27:36 5.5 1.06 19 PPM 149614 05:54:58.9 +06:33:00 8.5 0.75 20 PPM 149564 05:52:46.2 +06:49:41 9.7 0.21 19 PPM 149555 05:52:16.3 +07:13:07 10.7 0.21 19 10TH 05:52:42.1 +07:02:25 15.5 19 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 10TH, (2021/01/24 18:17UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 0.97 19 Bellatrix 05:25:07.8 +06:20:58 1.6 6.60 17 52 Ori 05:48:00.2 +06:27:15 5.5 1.06 19 PPM 149614 05:53:50.9 +06:32:49 8.5 0.75 20 PPM 149564 05:51:38.1 +06:49:27 9.7 0.21 19 PPM 149555 05:51:07.9 +07:12:52 10.7 0.21 19 10TH 05:51:33.9 +07:02:11 15.5 19 Positions are for J2000
Event circumstances last updated at 2021/01/18 20:51:59 UT
Marc W. Buie, Southwest Research Institute