Event between (449097) 12UT68 and star GA1260:02970595 with event index number of 252367
Geocentric closest approach at 2020/03/30 22:29:31 UTC
J2000 position of star is 06:50:53.3 +36:32:36
Equinox of date position of star is 06:52:14.9 +36:31:06
Stellar brightness G=16.8,
use SENSEUP=128
Star is 23 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=21.9
TNO is 14.3 AU from the Sun
and 14.3 AU from the Earth.
The TNO is moving 10.0
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 144 seconds.
The 1-sigma cross-track error in the shadow position is
1046 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=75.9 km assuming a 5% albedo -- 6.0 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 449097, (2020/03/30 22:30UT) Object RA Dec mag sep mel Pollux 07:46:33.1 +27:58:32 1.1 14.29 31 34Bet Aur 06:01:00.9 +44:56:50 1.9 12.83 23 61Psi8Aur 06:55:20.3 +38:28:41 6.2 2.05 24 PPM 072111 06:50:16.1 +36:56:26 8.1 0.58 22 PPM 072128 06:51:06.9 +36:23:16 9.9 0.26 22 PPM 072168 06:52:52.6 +36:41:48 11.1 0.22 23 449097 06:52:15.1 +36:31:06 16.8 23 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 449097, (2020/03/30 22:30UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 14.29 31 34Bet Aur 05:59:31.6 +44:56:51 1.9 12.83 23 61Psi8Aur 06:53:57.1 +38:30:17 6.2 2.05 24 PPM 072111 06:48:54.0 +36:57:53 8.1 0.58 22 PPM 072128 06:49:45.1 +36:24:44 9.9 0.26 22 PPM 072168 06:51:30.7 +36:43:20 11.1 0.22 23 449097 06:50:53.3 +36:32:36 16.8 23 Positions are for J2000
Event circumstances last updated at 2020/03/16 21:20:35 UT
Marc W. Buie, Southwest Research Institute