Event between 04HX78 and star GA0740:08276449 with event index number of 189848
Geocentric closest approach at 2019/05/21 19:59:06 UTC
J2000 position of star is 17:27:47.2 -14:03:28
Equinox of date position of star is 17:28:51.0 -14:04:20
Stellar brightness G=16.4,
use SENSEUP=128
Star is 16 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=23.4
TNO is 33.5 AU from the Sun
and 32.6 AU from the Earth.
The TNO is moving 22.0
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 436 seconds.
The 1-sigma cross-track error in the shadow position is
2930 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=143.9 km assuming a 5% albedo -- 6.5 sec chord
Diameter=58.7 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 3:2E
Star training set for 04HX78, (2019/05/21 19:59UT) Object RA Dec mag sep mel Antares 16:30:35.9 -26:28:24 0.9 18.42 27 35Eta Oph 17:11:29.5 -15:44:51 2.6 4.52 19 53Nu Ser 17:21:55.1 -12:51:54 4.0 2.08 18 PPM 233132 17:30:13.4 -14:05:42 8.2 0.32 16 PPM 233094 17:28:30.5 -14:03:02 9.4 0.09 16 04HX78 17:28:53.2 -14:04:22 16.4 16 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, (2019/05/21 19:59UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.42 27 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.52 19 53Nu Ser 17:20:49.7 -12:50:49 4.0 2.08 18 PPM 233132 17:29:07.3 -14:04:50 8.2 0.32 16 PPM 233094 17:27:24.5 -14:02:07 9.4 0.09 16 04HX78 17:27:47.2 -14:03:28 16.4 16 Positions are for J2000
Event circumstances last updated at 2018/09/26 17:27:23 UT
Marc W. Buie, Southwest Research Institute