Event between 04VY130 and star GA1060:00802016 with event index number of 238088
Geocentric closest approach at 2018/12/22 23:38:09 UTC
J2000 position of star is 05:10:51.3 +16:39:42
Equinox of date position of star is 05:11:56.5 +16:41:02
Stellar brightness G=16.3,
use SENSEUP=128
Star is 17 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.8
TNO is 29.7 AU from the Sun
and 28.7 AU from the Earth.
The TNO is moving 23.5
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 226 seconds.
The 1-sigma cross-track error in the shadow position is
1104 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 6.1 sec chord
Diameter=59.0 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is 3:2E
Star training set for 04VY130, (2018/12/22 23:38UT) Object RA Dec mag sep mel Aldebaran 04:37:00.7 +16:32:45 0.8 8.37 25 Bellatrix 05:26:09.0 +06:21:55 1.6 10.89 20 PPM 120692 05:12:47.1 +16:04:03 5.2 0.65 17 PPM 120704 05:13:17.7 +17:17:03 8.5 0.68 16 PPM 120674 05:11:50.0 +16:37:04 9.0 0.07 17 PPM 120684 05:12:11.1 +16:40:10 11.4 0.06 17 04VY130 05:11:57.0 +16:41:02 16.3 16 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 04VY130, (2018/12/22 23:38UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 8.37 25 Bellatrix 05:25:07.8 +06:20:58 1.6 10.89 20 PPM 120692 05:11:41.6 +16:02:44 5.2 0.65 17 PPM 120704 05:12:11.7 +17:15:45 8.5 0.68 16 PPM 120674 05:10:44.2 +16:35:44 9.0 0.07 17 PPM 120684 05:11:05.3 +16:38:50 11.4 0.06 17 04VY130 05:10:51.3 +16:39:42 16.3 17 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:46:43 UT
Marc W. Buie, Southwest Research Institute