Event between 01HA59 and star GA0700:06050309 with event index number of 1064341
Geocentric closest approach at 2021/03/24 07:42:52 UTC
J2000 position of star is 15:55:59.9 -19:20:19
Equinox of date position of star is 15:57:13.1 -19:23:55
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=23.2
TNO is 45.9 AU from the Sun
and 45.3 AU from the Earth.
The TNO is moving 11.4
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 1712 seconds.
The 1-sigma cross-track error in the shadow position is
4526 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=299.2 km assuming a 5% albedo -- 26.2 sec chord
Diameter=122.2 km assuming a 30% albedo -- 10.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 01HA59, (2021/03/24 07:43UT) Object RA Dec mag sep mel Antares 16:30:42.7 -26:28:38 0.9 10.46 125 8Bet1Sco 16:06:40.5 -19:51:43 2.6 2.27 118 47 Lib 15:56:14.2 -19:26:38 5.9 0.24 115 PPM 230949 15:56:51.0 -18:51:07 8.2 0.55 115 PPM 230982 15:58:06.9 -19:19:55 9.8 0.22 116 01HA59 15:57:13.7 -19:23:57 16.8 116 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 01HA59, (2021/03/24 07:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.46 125 8Bet1Sco 16:05:26.2 -19:48:20 2.6 2.27 118 47 Lib 15:55:00.4 -19:22:59 5.9 0.24 115 PPM 230949 15:55:37.4 -18:47:28 8.2 0.55 115 PPM 230982 15:56:53.0 -19:16:18 9.8 0.22 116 01HA59 15:55:59.9 -19:20:19 16.8 115 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:28:22 UT
Marc W. Buie, Southwest Research Institute