Event between 98WV31 and star GA1140:00959572 with event index number of 1007048
Geocentric closest approach at 2020/11/16 00:54:10 UTC
J2000 position of star is 05:04:21.6 +24:40:27
Equinox of date position of star is 05:05:36.8 +24:42:05
Stellar brightness G=13.0,
use SENSEUP=32
Star is 168 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=25.9
TNO is 39.0 AU from the Sun
and 38.1 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 457 seconds.
The 1-sigma cross-track error in the shadow position is
3169 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=144.5 km assuming a 5% albedo -- 2.6 sec chord
Diameter=59.0 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 3:2E
Star training set for 98WV31, (2020/11/16 00:54UT) Object RA Dec mag sep mel Aldebaran 04:37:07.3 +16:32:59 0.8 10.53 174 Alnath 05:27:36.8 +28:37:23 1.6 6.28 162 103 Tau 05:09:23.1 +24:17:27 5.3 0.95 167 PPM 094048 05:06:28.2 +23:49:34 8.3 0.90 168 PPM 094009 05:04:39.1 +24:30:27 9.7 0.30 168 98WV31 05:05:38.3 +24:42:07 13.0 168 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 98WV31, (2020/11/16 00:54UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 10.53 174 Alnath 05:26:17.5 +28:36:23 1.6 6.28 162 103 Tau 05:08:06.6 +24:15:54 5.3 0.95 167 PPM 094048 05:05:12.0 +23:47:56 8.3 0.90 168 PPM 094009 05:03:22.5 +24:28:45 9.7 0.30 168 98WV31 05:04:21.6 +24:40:27 13.0 168 Positions are for J2000
Event circumstances last updated at 2020/06/21 22:43:10 UT
Marc W. Buie, Southwest Research Institute