Event between 11HO60 and star GA0480:09475449 with event index number of 295311
Geocentric closest approach at 2019/03/31 03:15:54 UTC
J2000 position of star is 15:45:50.1 -41:39:32
Equinox of date position of star is 15:47:07.9 -41:43:03
Stellar brightness G=16.4,
use SENSEUP=128
Star is 70 degrees from the moon.
Moon is 23% illuminated.
TNO apparent brightness V=21.9
TNO is 36.8 AU from the Sun
and 36.2 AU from the Earth.
The TNO is moving 14.6
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 331 seconds.
The 1-sigma cross-track error in the shadow position is
3470 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=358.1 km assuming a 5% albedo -- 24.5 sec chord
Diameter=146.2 km assuming a 30% albedo -- 10.0 sec chord
Dynamical classification is 11:2EEEEEEEEE
Star training set for 11HO60, (2019/03/31 03:16UT) Object RA Dec mag sep mel Antares 16:30:35.4 -26:28:23 0.9 17.67 63 Eta Lup 16:01:24.2 -38:26:59 2.8 4.26 67 PPM 320951 15:45:40.9 -41:52:42 6.0 0.32 70 PPM 320992 15:47:48.9 -41:46:20 8.4 0.14 70 PPM 320982 15:47:05.5 -41:42:16 10.7 0.02 70 11HO60 15:47:08.4 -41:43:04 16.4 69 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 11HO60, (2019/03/31 03:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.67 63 Eta Lup 16:00:07.3 -38:23:48 2.8 4.26 67 PPM 320951 15:44:22.6 -41:49:08 6.0 0.32 70 PPM 320992 15:46:30.5 -41:42:49 8.4 0.14 70 PPM 320982 15:45:47.2 -41:38:44 10.7 0.02 70 11HO60 15:45:50.1 -41:39:32 16.4 70 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:05:41 UT
Marc W. Buie, Southwest Research Institute