Event between 14WN510 and star UC4-500-058001 with event index number of 301561
Geocentric closest approach at 2020/04/19 22:21:18 UTC
J2000 position of star is 12:00:15.5 +09:57:43
Equinox of date position of star is 12:01:15.3 +09:51:13
Stellar brightness R=16.6,
use SENSEUP=128
Star is 176 degrees from the moon.
Moon is 9% illuminated.
TNO apparent brightness V=22.4
TNO is 39.9 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 19.4
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 326 seconds.
The 1-sigma cross-track error in the shadow position is
2415 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=329.6 km assuming a 5% albedo -- 17.0 sec chord
Diameter=134.6 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 14WN510, (2020/04/19 22:21UT) Object RA Dec mag sep mel Regulus 10:09:27.1 +11:52:02 1.3 27.52 154 Denebola 11:50:05.7 +14:27:31 2.1 5.36 172 9Omi Vir 12:06:14.6 +08:37:13 4.1 1.73 176 PPM 158378 11:59:26.3 +09:26:21 8.4 0.62 176 PPM 128725 12:02:35.1 +10:14:14 8.8 0.50 175 PPM 128698 12:00:34.8 +10:02:34 10.3 0.26 176 14WN510 12:01:18.0 +09:50:56 16.6 176 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 14WN510, (2020/04/19 22:21UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 27.52 154 Denebola 11:49:02.9 +14:34:17 2.1 5.36 172 9Omi Vir 12:05:12.2 +08:43:59 4.1 1.73 176 PPM 158378 11:58:23.8 +09:33:08 8.4 0.62 176 PPM 128725 12:01:32.7 +10:21:01 8.8 0.50 175 PPM 128698 11:59:32.4 +10:09:21 10.3 0.26 176 14WN510 12:00:15.5 +09:57:43 16.6 176 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:29:19 UT
Marc W. Buie, Southwest Research Institute