Event between (508869) 02VT130 and star GA1140:01266412 with event index number of 1005593
Geocentric closest approach at 2020/10/31 03:40:47 UTC
J2000 position of star is 05:32:20.3 +24:24:39
Equinox of date position of star is 05:33:33.7 +24:25:26
Stellar brightness G=16.3,
use SENSEUP=128
Star is 51 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.1
TNO is 43.2 AU from the Sun
and 42.5 AU from the Earth.
The TNO is moving 16.8
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 221 seconds.
The 1-sigma cross-track error in the shadow position is
1566 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=436.5 km assuming a 5% albedo -- 26.1 sec chord
Diameter=178.2 km assuming a 30% albedo -- 10.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 508869, (2020/10/31 03:41UT) Object RA Dec mag sep mel Aldebaran 04:37:07.1 +16:32:58 0.8 15.38 37 Alnath 05:27:36.6 +28:37:23 1.6 4.41 50 125 Tau 05:41:01.8 +25:54:25 5.2 2.24 53 PPM 094479 05:34:47.5 +24:38:31 7.0 0.34 51 PPM 094471 05:34:20.6 +24:22:40 9.2 0.17 51 508869 05:33:36.9 +24:25:28 16.3 51 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 508869, (2020/10/31 03:41UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 15.38 37 Alnath 05:26:17.5 +28:36:23 1.6 4.41 50 125 Tau 05:39:44.2 +25:53:49 5.2 2.24 53 PPM 094479 05:33:30.8 +24:37:44 7.0 0.34 51 PPM 094471 05:33:04.0 +24:21:53 9.2 0.17 51 508869 05:32:20.3 +24:24:39 16.3 51 Positions are for J2000
Event circumstances last updated at 2019/12/10 22:50:37 UT
Marc W. Buie, Southwest Research Institute