Event between (281371) 08FC76 and star UC4-505-022464 with event index number of 318623
Geocentric closest approach at 2019/11/04 02:38:08 UTC
J2000 position of star is 06:14:03.2 +10:58:15
Equinox of date position of star is 06:15:08.0 +10:57:50
Stellar brightness R=16.2,
use SENSEUP=128
Star is 143 degrees from the moon.
Moon is 47% illuminated.
TNO apparent brightness V=20.2
TNO is 11.8 AU from the Sun
and 11.1 AU from the Earth.
The TNO is moving 13.6
km/sec on the sky relative to the star, or,
6.1 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is
1071 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 6.1 sec chord
Diameter=34.0 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 281371, (2019/11/04 02:38UT) Object RA Dec mag sep mel Betelgeuse 05:56:14.8 +07:24:33 0.4 5.87 137 Alhena 06:38:51.5 +16:22:50 1.9 7.90 150 75 Ori 06:18:12.3 +09:56:01 5.4 1.27 143 PPM 122109 06:14:18.6 +10:37:08 7.7 0.40 143 PPM 122125 06:14:56.5 +10:50:10 9.5 0.14 143 281371 06:15:09.3 +10:57:49 16.2 143 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 281371, (2019/11/04 02:38UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 5.87 137 Alhena 06:37:42.8 +16:23:57 1.9 7.90 150 75 Ori 06:17:06.6 +09:56:31 5.4 1.27 143 PPM 122109 06:13:12.6 +10:37:32 7.7 0.40 143 PPM 122125 06:13:50.4 +10:50:35 9.5 0.14 143 281371 06:14:03.2 +10:58:15 16.2 143 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:50:58 UT
Marc W. Buie, Southwest Research Institute