Event between 14JF80 and star UC4-461-128231 with event index number of 179592
Geocentric closest approach at 2017/12/12 14:06:48 UTC
J2000 position of star is 22:03:29.2 +02:10:57
Equinox of date position of star is 22:04:22.3 +02:16:02
Stellar brightness R=15.4,
use SENSEUP=128
Star is 133 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=21.9
TNO is 18.8 AU from the Sun
and 19.1 AU from the Earth.
The TNO is moving 18.1
km/sec on the sky relative to the star, or,
4.7 arcsec/hr.
The 1-sigma error in the time of the event is 417 seconds.
The 1-sigma cross-track error in the shadow position is
3961 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.2 km assuming a 5% albedo -- 5.7 sec chord
Diameter=42.6 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 14JF80, (2017/12/12 14:07UT) Object RA Dec mag sep mel Fomalhaut 22:58:38.3 -29:31:36 1.2 34.34 134 Markab 23:05:39.4 +15:18:08 2.5 19.95 146 34Alp Aqr 22:06:42.3 -00:13:55 3.0 2.57 133 PPM 172665 22:07:33.6 +02:31:39 6.6 0.83 134 PPM 172588 22:04:03.1 +02:17:03 9.9 0.09 133 14JF80 22:04:23.9 +02:16:12 15.4 133 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 14JF80, (2017/12/12 14:07UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 34.34 134 Markab 23:04:45.7 +15:12:18 2.5 19.95 146 34Alp Aqr 22:05:47.1 -00:19:12 3.0 2.57 133 PPM 172665 22:06:38.9 +02:26:22 6.6 0.83 134 PPM 172588 22:03:08.3 +02:11:49 9.9 0.09 133 14JF80 22:03:29.2 +02:10:57 15.4 133 Positions are for J2000
Event circumstances last updated at 2017/06/01 18:07:32 UT
Marc W. Buie, Southwest Research Institute