Event between 13NT33 and star GA0900:00158752 with event index number of 1581164
Geocentric closest approach at 2021/01/31 06:07:08 UTC
J2000 position of star is 01:54:17.8 +01:34:12
Equinox of date position of star is 01:55:22.9 +01:40:23
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=21.7
TNO is 17.6 AU from the Sun
and 17.8 AU from the Earth.
The TNO is moving 16.6
km/sec on the sky relative to the star, or,
4.6 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
749 km.
The TNO has an absolute magnitude Hv=8.9
Diameter=95.9 km assuming a 5% albedo -- 5.9 sec chord
Diameter=39.2 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 13NT33, (2021/01/31 06:07UT) Object RA Dec mag sep mel Aldebaran 04:37:08.0 +16:33:00 0.8 42.47 93 68Omi Cet 02:20:24.8 -02:52:59 2.0 7.74 131 PPM 145130 01:56:59.3 +01:57:13 6.1 0.49 135 PPM 145102 01:55:28.1 +01:40:50 9.6 0.02 136 13NT33 01:55:23.0 +01:40:23 16.8 136 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 13NT33, (2021/01/31 06:07UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 42.47 93 68Omi Cet 02:19:20.8 -02:58:45 2.0 7.74 131 PPM 145130 01:55:54.0 +01:51:04 6.1 0.49 135 PPM 145102 01:54:22.9 +01:34:40 9.6 0.02 136 13NT33 01:54:17.8 +01:34:12 16.8 136 Positions are for J2000
Event circumstances last updated at 2021/01/24 20:34:30 UT
Marc W. Buie, Southwest Research Institute