Event between (437915) 02GD32 and star GA0700:05566237 with event index number of 254936
Geocentric closest approach at 2020/04/04 21:14:51 UTC
J2000 position of star is 14:53:22.9 -19:24:50
Equinox of date position of star is 14:54:26.9 -19:29:24
Stellar brightness G=16.6,
use SENSEUP=128
Star is 77 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=23.0
TNO is 50.6 AU from the Sun
and 49.7 AU from the Earth.
The TNO is moving 21.3
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 471 seconds.
The 1-sigma cross-track error in the shadow position is
4710 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 18.7 sec chord
Diameter=162.5 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is 9:5EEEE
Star training set for 437915, (2020/04/04 21:15UT) Object RA Dec mag sep mel Spica 13:26:15.8 -11:15:59 1.0 22.78 54 27Bet Lib 15:18:06.0 -09:27:23 2.6 11.54 79 PPM 229408 14:52:59.7 -18:26:16 6.2 1.12 76 PPM 229449 14:54:45.3 -19:13:45 8.2 0.27 77 PPM 229423 14:53:28.3 -19:31:28 9.1 0.25 77 437915 14:54:31.8 -19:29:45 16.6 77 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 437915, (2020/04/04 21:15UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 22.78 54 27Bet Lib 15:17:00.3 -09:22:59 2.6 11.54 79 PPM 229408 14:51:51.3 -18:21:19 6.2 1.12 76 PPM 229449 14:53:36.5 -19:08:50 8.2 0.27 77 PPM 229423 14:52:19.4 -19:26:32 9.1 0.25 77 437915 14:53:22.9 -19:24:50 16.6 77 Positions are for J2000
Event circumstances last updated at 2018/10/26 20:53:59 UT
Marc W. Buie, Southwest Research Institute