Event between 02GP32 and star GA0660:22432070 with event index number of 1060172
Geocentric closest approach at 2021/03/17 03:03:21 UTC
J2000 position of star is 17:59:51.8 -22:31:48
Equinox of date position of star is 18:01:08.2 -22:31:47
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 128 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=22.6
TNO is 33.7 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 8.3
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 795 seconds.
The 1-sigma cross-track error in the shadow position is
1242 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 27.7 sec chord
Diameter=93.5 km assuming a 30% albedo -- 11.3 sec chord
Dynamical classification is 5:2EEE
Star training set for 02GP32, (2021/03/17 03:03UT) Object RA Dec mag sep mel Antares 16:30:42.7 -26:28:38 0.9 20.92 147 Nunki 18:56:34.7 -26:16:07 2.0 13.15 115 PPM 267709 18:03:11.5 -22:46:45 5.8 0.53 128 PPM 267641 18:01:17.8 -22:32:53 7.9 0.04 128 02GP32 18:01:08.7 -22:31:47 16.1 128 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 02GP32, (2021/03/17 03:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.92 147 Nunki 18:55:15.9 -26:17:49 2.0 13.15 115 PPM 267709 18:01:54.4 -22:46:50 5.8 0.53 128 PPM 267641 18:00:00.8 -22:32:54 7.9 0.04 128 02GP32 17:59:51.8 -22:31:48 16.1 128 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:14:37 UT
Marc W. Buie, Southwest Research Institute