Event between 13VF24 and star GA1020:00872757 with event index number of 1032326
Geocentric closest approach at 2021/01/10 23:18:20 UTC
J2000 position of star is 05:33:13.8 +12:55:39
Equinox of date position of star is 05:34:24.7 +12:56:27
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=22.6
TNO is 27.2 AU from the Sun
and 26.3 AU from the Earth.
The TNO is moving 21.2
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 45 seconds.
The 1-sigma cross-track error in the shadow position is
954 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=140.6 km assuming a 5% albedo -- 6.6 sec chord
Diameter=57.4 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 13VF24, (2021/01/10 23:18UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.7 +07:24:33 0.4 7.72 162 Bellatrix 05:26:15.6 +06:22:01 1.6 6.87 163 35 Ori 05:35:06.1 +14:19:07 5.6 1.39 171 PPM 121142 05:36:31.7 +13:17:47 7.9 0.63 170 PPM 121087 05:34:05.5 +13:03:55 9.8 0.15 169 13VF24 05:34:24.9 +12:56:27 15.1 169 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 13VF24, (2021/01/10 23:18UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.72 162 Bellatrix 05:25:07.8 +06:20:58 1.6 6.87 163 35 Ori 05:33:54.3 +14:18:20 5.6 1.39 171 PPM 121142 05:35:20.5 +13:17:03 7.9 0.63 170 PPM 121087 05:32:54.4 +13:03:06 9.8 0.15 169 13VF24 05:33:13.8 +12:55:39 15.1 169 Positions are for J2000
Event circumstances last updated at 2020/12/16 22:04:03 UT
Marc W. Buie, Southwest Research Institute