Event between (15874) 96TL66 and star UC4-491-010066 with event index number of 63479
Geocentric closest approach at 2017/08/29 08:20:17 UTC
J2000 position of star is 05:02:46.6 +08:07:05
Equinox of date position of star is 05:03:41.8 +08:08:28
Stellar brightness R=16.5
Star is 167 degrees from the moon.
Moon is 50% illuminated.
TNO apparent brightness V=21.3
TNO is 37.4 AU from the Sun
and 37.5 AU from the Earth.
The TNO is moving 13.6
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 290 seconds.
The 1-sigma cross-track error in the shadow position is
2165 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=501.2 km assuming a 5% albedo -- 36.8 sec chord
Diameter=204.6 km assuming a 30% albedo -- 15.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 15874, (2017/08/29 08:20UT) Object RA Dec mag sep mel Aldebaran 04:36:56.2 +16:32:36 0.8 10.65 176 Bellatrix 05:26:04.7 +06:21:51 1.6 5.82 161 14 Ori 05:08:50.7 +08:31:13 5.7 1.32 166 PPM 148427 05:06:32.3 +08:29:32 8.3 0.78 167 PPM 148388 05:04:59.9 +08:23:08 9.3 0.40 167 PPM 148357 05:03:38.3 +08:11:36 10.2 0.06 167 15874 05:03:44.2 +08:08:32 16.5 167 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 15874, (2017/08/29 08:20UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 10.65 176 Bellatrix 05:25:07.8 +06:20:59 1.6 5.82 161 14 Ori 05:07:52.9 +08:29:54 5.7 1.32 166 PPM 148427 05:05:34.6 +08:28:09 8.3 0.78 167 PPM 148388 05:04:02.2 +08:21:43 9.3 0.40 167 PPM 148357 05:02:40.7 +08:10:09 10.2 0.06 167 15874 05:02:46.6 +08:07:05 16.5 167 Positions are for J2000
Event circumstances last updated at 2016/11/30 19:12:15 UT
Marc W. Buie, Southwest Research Institute