Event between (26181) 96GQ21 and star GA0780:04971936 with event index number of 128097
Geocentric closest approach at 2018/07/04 16:21:45 UTC
J2000 position of star is 15:55:25.9 -10:20:45
Equinox of date position of star is 15:56:26.5 -10:23:55
Stellar brightness G=14.7,
use SENSEUP=128
Star is 115 degrees from the moon.
Moon is 66% illuminated.
TNO apparent brightness V=21.4
TNO is 44.1 AU from the Sun
and 43.4 AU from the Earth.
The TNO is moving 16.2
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 264 seconds.
The 1-sigma cross-track error in the shadow position is
1652 km.
The TNO has an absolute magnitude Hv=4.9
Diameter=631.0 km assuming a 5% albedo -- 38.9 sec chord
Diameter=257.6 km assuming a 30% albedo -- 15.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 26181, (2018/07/04 16:22UT) Object RA Dec mag sep mel Antares 16:30:32.7 -26:28:17 0.9 17.98 103 1Del Oph 16:15:19.0 -03:44:26 2.7 8.14 111 50 Lib 16:01:47.7 -08:27:45 5.5 2.34 114 PPM 230996 15:58:08.9 -10:56:26 7.9 0.68 114 PPM 230923 15:55:15.7 -10:06:16 9.6 0.41 115 26181 15:56:26.7 -10:23:56 14.7 115 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 26181, (2018/07/04 16:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.98 103 1Del Oph 16:14:20.7 -03:41:42 2.7 8.14 111 50 Lib 16:00:47.6 -08:24:41 5.5 2.34 114 PPM 230996 15:57:07.9 -10:53:17 7.9 0.68 114 PPM 230923 15:54:15.0 -10:03:03 9.6 0.41 115 26181 15:55:25.9 -10:20:45 14.7 115 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:12:45 UT
Marc W. Buie, Southwest Research Institute