Event between (505447) 13SQ99 and star GA0940:00102337 with event index number of 1001179
Geocentric closest approach at 2020/11/01 22:08:09 UTC
J2000 position of star is 01:08:45.6 +05:10:40
Equinox of date position of star is 01:09:50.2 +05:17:18
Stellar brightness G=13.2,
use SENSEUP=32
Star is 36 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=26.8
TNO is 47.6 AU from the Sun
and 46.7 AU from the Earth.
The TNO is moving 23.6
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 91 seconds.
The 1-sigma cross-track error in the shadow position is
1966 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=316.2 km assuming a 5% albedo -- 2.6 sec chord
Diameter=129.1 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 505447, (2020/11/01 22:08UT) Object RA Dec mag sep mel Fomalhaut 22:58:47.9 -29:30:41 1.2 46.90 80 Algenib 00:14:18.7 +15:17:57 2.8 16.92 47 80 Psc 01:09:26.7 +05:45:34 5.5 0.48 36 77 Psc 01:06:56.3 +05:01:11 7.7 0.77 37 PPM 144291 01:08:34.4 +05:18:09 9.1 0.32 37 PPM 144312 01:10:06.6 +05:08:23 10.4 0.16 36 505447 01:09:50.4 +05:17:19 13.2 36 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 505447, (2020/11/01 22:08UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 46.90 80 Algenib 00:13:14.2 +15:11:01 2.8 16.92 47 80 Psc 01:08:21.8 +05:38:55 5.5 0.48 36 77 Psc 01:05:51.5 +04:54:31 7.7 0.77 37 PPM 144291 01:07:29.6 +05:11:29 9.1 0.32 37 PPM 144312 01:09:01.8 +05:01:45 10.4 0.16 36 505447 01:08:45.6 +05:10:40 13.2 36 Positions are for J2000
Event circumstances last updated at 2020/10/04 18:17:51 UT
Marc W. Buie, Southwest Research Institute