Event between 12AZ25 and star GA0920:03331669 with event index number of 1581918
Geocentric closest approach at 2020/02/09 13:57:59 UTC
J2000 position of star is 09:09:25.5 +02:00:46
Equinox of date position of star is 09:10:26.1 +01:55:58
Stellar brightness G=16.7,
use SENSEUP=128
Star is 18 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.3
TNO is 47.7 AU from the Sun
and 46.7 AU from the Earth.
The TNO is moving 25.9
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 153 seconds.
The 1-sigma cross-track error in the shadow position is
1870 km.
The TNO has an absolute magnitude Hv=5.5
Diameter=487.5 km assuming a 5% albedo -- 18.8 sec chord
Diameter=199.0 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 12AZ25, (2020/02/09 13:58UT) Object RA Dec mag sep mel Regulus 10:09:26.5 +11:52:05 1.3 17.68 7 Alphard 09:28:34.5 -08:44:48 2.0 11.59 26 22The Hya 09:15:24.6 +02:13:42 3.9 1.27 17 PPM 155445 09:08:19.4 +02:30:00 6.7 0.78 18 PPM 155476 09:10:08.9 +02:07:29 8.7 0.21 18 12AZ25 09:10:28.0 +01:55:49 16.7 18 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 12AZ25, (2020/02/09 13:58UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 17.68 7 Alphard 09:27:35.2 -08:39:31 2.0 11.59 26 22The Hya 09:14:22.0 +02:18:45 3.9 1.27 17 PPM 155445 09:07:16.7 +02:34:54 6.7 0.78 18 PPM 155476 09:09:06.4 +02:12:25 8.7 0.21 18 12AZ25 09:09:25.5 +02:00:46 16.7 18 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:28:39 UT
Marc W. Buie, Southwest Research Institute