Event between 04VV131 and star GA1080:00388381 with event index number of 1002408
Geocentric closest approach at 2019/10/08 16:47:13 UTC
J2000 position of star is 03:32:42.5 +19:16:44
Equinox of date position of star is 03:33:49.6 +19:20:37
Stellar brightness G=16.2,
use SENSEUP=128
Star is 97 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=23.3
TNO is 47.1 AU from the Sun
and 46.3 AU from the Earth.
The TNO is moving 18.7
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 231 seconds.
The 1-sigma cross-track error in the shadow position is
2020 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=300.6 km assuming a 5% albedo -- 16.0 sec chord
Diameter=122.7 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 04VV131, (2019/10/08 16:47UT) Object RA Dec mag sep mel Aldebaran 04:37:03.4 +16:32:51 0.8 15.29 111 44Zet Per 03:55:22.8 +31:56:27 2.8 13.49 105 PPM 092695 03:40:09.1 +20:58:43 6.4 2.20 99 PPM 119169 03:34:16.0 +19:26:56 7.9 0.14 97 04VV131 03:33:50.8 +19:20:41 16.2 97 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 04VV131, (2019/10/08 16:47UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 15.29 111 44Zet Per 03:54:07.9 +31:53:01 2.8 13.49 105 PPM 092695 03:39:00.1 +20:54:55 6.4 2.20 99 PPM 119169 03:33:07.7 +19:22:59 7.9 0.14 97 04VV131 03:32:42.5 +19:16:44 16.2 97 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:43:54 UT
Marc W. Buie, Southwest Research Institute