Event between 10TV191 and star GA1020:00698501 with event index number of 2105128
Geocentric closest approach at 2022/12/30 17:59:34 UTC
J2000 position of star is 05:10:37.5 +12:47:05
Equinox of date position of star is 05:11:51.5 +12:48:38
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 60 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=22.7
TNO is 27.8 AU from the Sun
and 26.9 AU from the Earth.
The TNO is moving 23.1
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is
978 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 6.0 sec chord
Diameter=56.4 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 10TV191, (2022/12/30 18:07UT) Object RA Dec mag sep mel Aldebaran 04:37:14.6 +16:33:13 0.8 9.18 52 Bellatrix 05:26:21.9 +06:22:07 1.6 7.36 64 18 Ori 05:17:20.9 +11:21:55 5.6 1.96 62 PPM 120625 05:08:56.9 +12:34:12 8.4 0.76 60 PPM 120661 05:11:13.1 +13:14:25 9.1 0.46 60 PPM 120666 05:11:27.4 +12:55:07 10.2 0.16 60 10TV191 05:11:55.0 +12:48:42 14.7 61 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 10TV191, (2022/12/30 18:07UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 9.18 52 Bellatrix 05:25:07.8 +06:20:58 1.6 7.36 64 18 Ori 05:16:04.1 +11:20:29 5.6 1.96 62 PPM 120625 05:07:39.5 +12:32:29 8.4 0.76 60 PPM 120661 05:09:55.3 +13:12:47 9.1 0.46 60 PPM 120666 05:10:09.8 +12:53:29 10.2 0.16 60 10TV191 05:10:37.5 +12:47:05 14.7 60 Positions are for J2000
Event circumstances last updated at 2021/12/18 01:55:30 UT
Marc W. Buie, Southwest Research Institute