Event between 03HM57 and star GA0560:19696207 with event index number of 300459
Geocentric closest approach at 2020/07/31 20:23:30 UTC
J2000 position of star is 17:13:28.4 -33:34:21
Equinox of date position of star is 17:14:48.0 -33:35:42
Stellar brightness G=16.3,
use SENSEUP=128
Star is 18 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=22.0
TNO is 15.3 AU from the Sun
and 14.6 AU from the Earth.
The TNO is moving 10.7
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 127 seconds.
The 1-sigma cross-track error in the shadow position is
919 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=120.2 km assuming a 5% albedo -- 5.7 sec chord
Diameter=49.1 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 03HM57, (2020/07/31 20:23UT) Object RA Dec mag sep mel Antares 16:30:40.4 -26:28:33 0.9 11.90 25 26Eps Sco 16:51:30.0 -34:19:43 2.3 4.89 22 PPM 296090 17:16:40.4 -33:34:13 5.6 0.39 17 PPM 296039 17:14:09.3 -33:42:07 8.5 0.18 18 03HM57 17:14:49.6 -33:35:43 16.3 17 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 03HM57, (2020/07/31 20:23UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 11.90 25 26Eps Sco 16:50:08.8 -34:17:41 2.3 4.89 22 PPM 296090 17:15:19.2 -33:32:54 5.6 0.39 17 PPM 296039 17:12:48.0 -33:40:44 8.5 0.18 18 03HM57 17:13:28.4 -33:34:21 16.3 18 Positions are for J2000
Event circumstances last updated at 2020/03/08 20:42:18 UT
Marc W. Buie, Southwest Research Institute