Event between 01KO77 and star GA0740:14674142 with event index number of 258304
Geocentric closest approach at 2020/05/15 13:05:55 UTC
J2000 position of star is 18:00:00.8 -14:39:53
Equinox of date position of star is 18:01:09.9 -14:39:52
Stellar brightness G=14.6,
use SENSEUP=128
Star is 67 degrees from the moon.
Moon is 41% illuminated.
TNO apparent brightness V=25.8
TNO is 37.6 AU from the Sun
and 36.7 AU from the Earth.
The TNO is moving 19.4
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 738 seconds.
The 1-sigma cross-track error in the shadow position is
5182 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=184.5 km assuming a 5% albedo -- 3.1 sec chord
Diameter=75.3 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 01KO77, (2020/05/15 13:06UT) Object RA Dec mag sep mel Antares 16:30:39.6 -26:28:32 0.9 24.19 86 35Eta Oph 17:11:32.9 -15:44:55 2.6 12.02 79 PPM 233766 17:57:29.4 -15:48:52 6.1 1.45 68 PPM 233881 18:01:30.1 -14:12:28 7.8 0.46 67 PPM 233875 18:01:10.8 -14:30:03 9.5 0.16 67 01KO77 18:01:10.5 -14:39:52 14.6 67 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 01KO77, (2020/05/15 13:06UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.19 86 35Eta Oph 17:10:22.7 -15:43:29 2.6 12.02 79 PPM 233766 17:56:19.0 -15:48:46 6.1 1.45 68 PPM 233881 18:00:20.5 -14:12:29 7.8 0.46 67 PPM 233875 18:00:01.1 -14:30:04 9.5 0.16 67 01KO77 18:00:00.8 -14:39:53 14.6 67 Positions are for J2000
Event circumstances last updated at 2020/03/06 21:39:41 UT
Marc W. Buie, Southwest Research Institute