Event between 05UN524 and star TYC22941-00712-1 with event index number of 89564
Geocentric closest approach at 2017/11/26 23:34:06 UTC
J2000 position of star is 06:42:14.3 +38:57:24
Equinox of date position of star is 06:43:26.2 +38:56:20
Stellar brightness V=10.7,
use SENSEUP=4
Star is 120 degrees from the moon.
Moon is 53% illuminated.
TNO apparent brightness V=22.1
TNO is 18.7 AU from the Sun
and 17.9 AU from the Earth.
The TNO is moving 18.9
km/sec on the sky relative to the star, or,
5.2 arcsec/hr.
The 1-sigma error in the time of the event is 442 seconds.
The 1-sigma cross-track error in the shadow position is
3056 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=84.3 km assuming a 5% albedo -- 4.5 sec chord
Diameter=34.4 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 05UN524, (2017/11/26 23:34UT) Object RA Dec mag sep mel Pollux 07:46:24.6 +27:58:54 1.1 17.05 135 34Bet Aur 06:00:50.6 +44:56:50 1.9 9.93 111 51 Aur 06:39:53.9 +39:22:24 5.7 0.82 119 PPM 071965 06:43:41.2 +39:00:57 8.4 0.09 120 05UN524 06:43:28.4 +38:56:18 10.7 120 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 05UN524, (2017/11/26 23:34UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 17.05 135 34Bet Aur 05:59:31.6 +44:56:51 1.9 9.93 111 51 Aur 06:38:39.5 +39:23:25 5.7 0.82 119 PPM 071965 06:42:27.1 +39:02:04 8.4 0.09 120 05UN524 06:42:14.3 +38:57:24 10.7 120 Positions are for J2000
Event circumstances last updated at 2017/05/15 18:03:24 UT
Marc W. Buie, Southwest Research Institute