Event between 08JO41 and star UC4-544-071942 with event index number of 92308
Geocentric closest approach at 2017/11/08 14:54:09 UTC
J2000 position of star is 18:26:16.4 +18:40:34
Equinox of date position of star is 18:27:01.8 +18:41:14
Stellar brightness R=16.1,
use SENSEUP=128
Star is 140 degrees from the moon.
Moon is 75% illuminated.
TNO apparent brightness V=24.8
TNO is 41.9 AU from the Sun
and 42.4 AU from the Earth.
The TNO is moving 29.9
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 177 seconds.
The 1-sigma cross-track error in the shadow position is
5038 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=123.6 km assuming a 5% albedo -- 4.1 sec chord
Diameter=50.5 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 08JO41, (2017/11/08 14:54UT) Object RA Dec mag sep mel Vega 18:37:32.6 +38:48:04 0.0 20.24 121 Rasalhague 17:35:45.8 +12:32:54 2.1 13.78 140 PPM 134524 18:18:54.8 +18:08:23 6.1 2.01 140 PPM 134722 18:27:02.3 +18:52:52 8.4 0.19 140 08JO41 18:27:03.3 +18:41:15 16.1 140 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 08JO41, (2017/11/08 14:54UT) Object RA Dec mag sep mel Vega 18:36:56.6 +38:47:06 0.0 20.24 121 Rasalhague 17:34:56.2 +12:33:32 2.1 13.78 140 PPM 134524 18:18:07.7 +18:07:54 6.1 2.01 140 PPM 134722 18:26:15.5 +18:52:11 8.4 0.19 140 08JO41 18:26:16.4 +18:40:34 16.1 140 Positions are for J2000
Event circumstances last updated at 2017/04/24 16:13:28 UT
Marc W. Buie, Southwest Research Institute