Event between 14WO509 and star GA0980:03677190 with event index number of 252863
Geocentric closest approach at 2020/04/01 14:05:34 UTC
J2000 position of star is 11:12:42.2 +08:35:25
Equinox of date position of star is 11:13:41.5 +08:29:12
Stellar brightness G=16.4,
use SENSEUP=128
Star is 62 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=22.2
TNO is 39.9 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 22.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 154 seconds.
The 1-sigma cross-track error in the shadow position is
1929 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=363.1 km assuming a 5% albedo -- 15.6 sec chord
Diameter=148.2 km assuming a 30% albedo -- 6.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 14WO509, (2020/04/01 14:06UT) Object RA Dec mag sep mel Regulus 10:09:26.9 +11:52:03 1.3 16.18 46 Denebola 11:50:05.5 +14:27:32 2.1 10.72 68 63Chi Leo 11:06:03.7 +07:13:34 4.6 2.28 60 PPM 157649 11:15:04.9 +07:56:59 7.1 0.62 62 PPM 157619 11:13:08.5 +08:04:48 9.8 0.43 62 PPM 157630 11:14:03.2 +08:29:00 10.4 0.07 62 14WO509 11:13:45.3 +08:28:48 16.4 62 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 14WO509, (2020/04/01 14:06UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 16.18 46 Denebola 11:49:02.9 +14:34:17 2.1 10.72 68 63Chi Leo 11:05:00.6 +07:20:09 4.6 2.28 60 PPM 157649 11:14:01.9 +08:03:37 7.1 0.62 62 PPM 157619 11:12:05.4 +08:11:25 9.8 0.43 62 PPM 157630 11:13:00.1 +08:35:37 10.4 0.07 62 14WO509 11:12:42.2 +08:35:25 16.4 62 Positions are for J2000
Event circumstances last updated at 2019/01/18 19:47:46 UT
Marc W. Buie, Southwest Research Institute