Event between 07VJ305 and star UC4-510-002581 with event index number of 152634
Geocentric closest approach at 2018/02/08 06:56:14 UTC
J2000 position of star is 01:43:57.5 +11:59:22
Equinox of date position of star is 01:44:54.9 +12:04:44
Stellar brightness R=15.2,
use SENSEUP=128
Star is 151 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=22.6
TNO is 37.0 AU from the Sun
and 37.4 AU from the Earth.
The TNO is moving 16.8
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 375 seconds.
The 1-sigma cross-track error in the shadow position is
4976 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=278.0 km assuming a 5% albedo -- 16.6 sec chord
Diameter=113.5 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 07VJ305, (2018/02/08 06:56UT) Object RA Dec mag sep mel Aldebaran 04:36:57.7 +16:32:39 0.8 41.84 167 6Bet Ari 01:55:38.6 +20:53:45 2.6 9.18 154 102Pi Psc 01:38:03.7 +12:14:01 5.6 1.68 150 PPM 117669 01:48:06.9 +10:56:02 7.2 1.39 152 PPM 117624 01:44:58.4 +11:48:26 8.8 0.27 151 PPM 117630 01:45:24.6 +12:13:55 10.5 0.19 151 07VJ305 01:44:55.4 +12:04:47 15.2 152 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 07VJ305, (2018/02/08 06:56UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 41.84 167 6Bet Ari 01:54:38.5 +20:48:27 2.6 9.18 154 102Pi Psc 01:37:05.8 +12:08:31 5.6 1.68 150 PPM 117669 01:47:09.1 +10:50:38 7.2 1.39 152 PPM 117624 01:44:00.5 +11:43:01 8.8 0.27 151 PPM 117630 01:44:26.7 +12:08:29 10.5 0.19 151 07VJ305 01:43:57.5 +11:59:22 15.2 151 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:15:04 UT
Marc W. Buie, Southwest Research Institute