Event between 06QQ180 and star GA0940:00198472 with event index number of 361013
Geocentric closest approach at 2020/10/17 20:49:37 UTC
J2000 position of star is 02:19:39.9 +04:28:48
Equinox of date position of star is 02:20:43.2 +04:34:19
Stellar brightness G=15.9,
use SENSEUP=128
Star is 172 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=26.2
TNO is 41.6 AU from the Sun
and 40.7 AU from the Earth.
The TNO is moving 25.0
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is
1610 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=275.4 km assuming a 5% albedo -- 2.4 sec chord
Diameter=112.4 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 5:3EE
Star training set for 06QQ180, (2020/10/17 20:50UT) Object RA Dec mag sep mel Aldebaran 04:37:07.0 +16:32:58 0.8 35.51 150 68Omi Cet 02:20:23.9 -02:53:03 2.0 7.46 165 PPM 145462 02:19:06.4 +01:51:18 5.6 2.75 169 PPM 145443 02:17:31.6 +04:43:18 8.3 0.82 172 PPM 145472 02:19:46.0 +04:17:27 8.9 0.38 172 PPM 145485 02:20:28.6 +04:18:29 10.3 0.28 172 06QQ180 02:20:45.1 +04:34:29 15.9 172 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 06QQ180, (2020/10/17 20:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 35.51 150 68Omi Cet 02:19:20.8 -02:58:45 2.0 7.46 165 PPM 145462 02:18:01.9 +01:45:35 5.6 2.75 169 PPM 145443 02:16:26.4 +04:37:34 8.3 0.82 172 PPM 145472 02:18:40.9 +04:11:45 8.9 0.38 172 PPM 145485 02:19:23.4 +04:12:47 10.3 0.28 172 06QQ180 02:19:39.9 +04:28:48 15.9 172 Positions are for J2000
Event circumstances last updated at 2020/03/09 22:20:29 UT
Marc W. Buie, Southwest Research Institute