Event between 13UE15 and star UC4-580-010776 with event index number of 158392
Geocentric closest approach at 2017/03/23 06:59:18 UTC
J2000 position of star is 04:13:38.6 +25:53:45
Equinox of date position of star is 04:14:40.2 +25:56:15
Stellar brightness R=15.7
Star is 123 degrees from the moon.
Moon is 25% illuminated.
TNO apparent brightness V=22.1
TNO is 21.8 AU from the Sun
and 22.2 AU from the Earth.
The TNO is moving 21.0
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 169 seconds.
The 1-sigma cross-track error in the shadow position is
1347 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=121.9 km assuming a 5% albedo -- 5.8 sec chord
Diameter=49.8 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 13UE15, (2017/03/23 06:59UT) Object RA Dec mag sep mel Aldebaran 04:36:54.7 +16:32:33 0.8 10.72 128 44Zet Per 03:55:13.1 +31:56:00 2.8 7.35 119 44 Tau 04:11:53.0 +26:31:28 5.4 0.86 123 PPM 093355 04:15:35.4 +26:17:54 8.2 0.41 124 PPM 093330 04:13:32.2 +26:05:20 9.1 0.30 123 PPM 093347 04:14:59.4 +25:49:03 11.6 0.14 123 13UE15 04:14:41.6 +25:56:18 15.7 124 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 13UE15, (2017/03/23 06:59UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 10.72 128 44Zet Per 03:54:07.9 +31:53:01 2.8 7.35 119 44 Tau 04:10:49.8 +26:28:51 5.4 0.86 123 PPM 093355 04:14:32.2 +26:15:21 8.2 0.41 124 PPM 093330 04:12:29.2 +26:02:45 9.1 0.30 123 PPM 093347 04:13:56.5 +25:46:29 11.6 0.14 123 13UE15 04:13:38.6 +25:53:45 15.7 123 Positions are for J2000
Event circumstances last updated at 2016/11/01 18:04:32 UT
Marc W. Buie, Southwest Research Institute