Event between (91205) 98US43 and star GA1060:01032744 with event index number of 244953
Geocentric closest approach at 2020/02/04 19:27:49 UTC
J2000 position of star is 05:31:51.0 +16:13:07
Equinox of date position of star is 05:32:58.3 +16:13:53
Stellar brightness G=12.1,
use SENSEUP=16
Star is 8 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=23.9
TNO is 37.7 AU from the Sun
and 37.1 AU from the Earth.
The TNO is moving 14.1
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 897 seconds.
The 1-sigma cross-track error in the shadow position is
2052 km.
The TNO has an absolute magnitude Hv=8.0
Diameter=151.4 km assuming a 5% albedo -- 10.7 sec chord
Diameter=61.8 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E
Star training set for 91205, (2020/02/04 19:28UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.6 +07:24:33 0.4 10.49 18 Bellatrix 05:26:12.6 +06:21:59 1.6 10.01 15 PPM 121072 05:33:24.1 +17:04:17 6.1 0.84 8 PPM 121019 05:31:07.4 +16:09:55 8.3 0.46 8 PPM 121069 05:33:21.4 +16:08:53 9.5 0.12 8 91205 05:33:00.6 +16:13:55 12.1 8 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 91205, (2020/02/04 19:28UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 10.49 18 Bellatrix 05:25:07.8 +06:20:58 1.6 10.01 15 PPM 121072 05:32:14.1 +17:03:29 6.1 0.84 8 PPM 121019 05:29:57.9 +16:09:04 8.3 0.46 8 PPM 121069 05:32:11.9 +16:08:05 9.5 0.12 8 91205 05:31:51.0 +16:13:07 12.1 8 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:14:14 UT
Marc W. Buie, Southwest Research Institute