Event between 15VD166 and star GA1080:00425332 with event index number of 1016539
Geocentric closest approach at 2020/03/05 17:25:43 UTC
J2000 position of star is 03:46:27.9 +19:08:24
Equinox of date position of star is 03:47:33.5 +19:11:52
Stellar brightness G=12.4,
use SENSEUP=16
Star is 52 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=24.8
TNO is 33.2 AU from the Sun
and 33.5 AU from the Earth.
The TNO is moving 14.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 806 seconds.
The 1-sigma cross-track error in the shadow position is
4986 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 5.7 sec chord
Diameter=32.6 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is 2:1E
Star training set for 15VD166, (2020/03/05 17:26UT) Object RA Dec mag sep mel Aldebaran 04:37:04.8 +16:32:54 0.8 12.06 41 44Zet Per 03:55:24.3 +31:56:31 2.8 12.86 48 13 Tau 03:43:29.0 +19:45:48 5.7 1.13 53 PPM 119282 03:42:36.2 +19:27:08 8.3 1.21 53 PPM 119363 03:48:51.2 +18:57:53 9.6 0.37 52 15VD166 03:47:37.8 +19:12:06 12.4 52 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 15VD166, (2020/03/05 17:26UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 12.06 41 44Zet Per 03:54:07.9 +31:53:01 2.8 12.86 48 13 Tau 03:42:18.9 +19:42:01 5.7 1.13 53 PPM 119282 03:41:26.4 +19:23:19 8.3 1.21 53 PPM 119363 03:47:41.4 +18:54:13 9.6 0.37 52 15VD166 03:46:27.9 +19:08:24 12.4 52 Positions are for J2000
Event circumstances last updated at 2018/12/02 21:47:54 UT
Marc W. Buie, Southwest Research Institute