Event between 04HX78 and star GA0760:07646386 with event index number of 275948
Geocentric closest approach at 2020/07/18 14:55:11 UTC
J2000 position of star is 17:30:33.6 -13:34:02
Equinox of date position of star is 17:31:36.7 -13:34:49
Stellar brightness G=16.8,
use SENSEUP=128
Star is 168 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.4
TNO is 33.6 AU from the Sun
and 32.7 AU from the Earth.
The TNO is moving 19.1
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 1078 seconds.
The 1-sigma cross-track error in the shadow position is
3853 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=143.9 km assuming a 5% albedo -- 7.5 sec chord
Diameter=58.7 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
Star training set for 04HX78, (2020/07/18 14:55UT) Object RA Dec mag sep mel Antares 16:30:40.2 -26:28:33 0.9 19.25 159 35Eta Oph 17:11:33.5 -15:44:56 2.6 5.34 166 53Nu Ser 17:21:59.1 -12:51:58 4.0 2.48 166 PPM 233211 17:33:23.4 -13:41:49 8.5 0.42 168 PPM 233169 17:31:50.7 -13:42:13 9.7 0.13 168 04HX78 17:31:43.4 -13:34:53 16.8 168 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 04HX78, (2020/07/18 14:55UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.25 159 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.34 166 53Nu Ser 17:20:49.7 -12:50:49 4.0 2.48 166 PPM 233211 17:32:13.6 -13:41:00 8.5 0.42 168 PPM 233169 17:30:40.8 -13:41:22 9.7 0.13 168 04HX78 17:30:33.6 -13:34:02 16.8 168 Positions are for J2000
Event circumstances last updated at 2018/08/01 17:56:28 UT
Marc W. Buie, Southwest Research Institute