Event between 15VR166 and star GA1060:00349055 with event index number of 1019868
Geocentric closest approach at 2019/02/10 09:50:08 UTC
J2000 position of star is 03:24:17.9 +17:41:57
Equinox of date position of star is 03:25:22.9 +17:45:57
Stellar brightness G=15.9,
use SENSEUP=128
Star is 32 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=23.9
TNO is 36.3 AU from the Sun
and 36.2 AU from the Earth.
The TNO is moving 3.9
km/sec on the sky relative to the star, or,
0.5 arcsec/hr.
The 1-sigma error in the time of the event is 1850 seconds.
The 1-sigma cross-track error in the shadow position is
2665 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=147.9 km assuming a 5% albedo -- 38.1 sec chord
Diameter=60.4 km assuming a 30% albedo -- 15.6 sec chord
Dynamical classification is 7:4EEE
Star training set for 15VR166, (2019/02/10 09:50UT) Object RA Dec mag sep mel Aldebaran 04:37:01.2 +16:32:46 0.8 17.15 48 Menkar 03:03:16.8 +04:09:49 2.5 14.64 23 63Tau2Ari 03:23:51.4 +20:48:33 6.2 3.06 33 PPM 119006 03:21:04.3 +17:34:10 8.2 1.05 31 PPM 119056 03:25:19.7 +17:36:55 9.8 0.15 31 15VR166 03:25:23.0 +17:45:57 15.9 32 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 15VR166, (2019/02/10 09:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 17.15 48 Menkar 03:02:16.8 +04:05:21 2.5 14.64 23 63Tau2Ari 03:22:45.2 +20:44:31 6.2 3.06 33 PPM 119006 03:19:59.3 +17:30:04 8.2 1.05 31 PPM 119056 03:24:14.6 +17:32:55 9.8 0.15 31 15VR166 03:24:17.9 +17:41:57 15.9 32 Positions are for J2000
Event circumstances last updated at 2019/01/31 18:04:33 UT
Marc W. Buie, Southwest Research Institute