Event between 05PT21 and star GA0900:00011175 with event index number of 1696668
Geocentric closest approach at 2021/08/20 00:29:29 UTC
J2000 position of star is 00:07:26.2 +00:11:52
Equinox of date position of star is 00:08:31.7 +00:18:59
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 67 degrees from the moon.
Moon is 92% illuminated.
TNO apparent brightness V=24.1
TNO is 48.7 AU from the Sun
and 47.9 AU from the Earth.
The TNO is moving 19.9
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 250 seconds.
The 1-sigma cross-track error in the shadow position is
3368 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=223.9 km assuming a 5% albedo -- 11.3 sec chord
Diameter=91.4 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 05PT21, (2021/08/20 00:29UT) Object RA Dec mag sep mel Fomalhaut 22:58:50.5 -29:30:26 1.2 34.15 41 Algenib 00:14:21.2 +15:18:13 2.8 15.05 75 PPM 181887 00:09:18.6 -02:19:39 6.1 2.65 66 PPM 143189 00:09:58.8 +00:48:46 8.4 0.61 67 PPM 143134 00:07:14.7 +00:14:30 8.8 0.33 66 PPM 143151 00:08:15.3 +00:27:36 10.9 0.16 67 05PT21 00:08:32.7 +00:19:05 13.9 67 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 05PT21, (2021/08/20 00:29UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 34.15 41 Algenib 00:13:14.2 +15:11:01 2.8 15.05 75 PPM 181887 00:08:12.1 -02:26:52 6.1 2.65 66 PPM 143189 00:08:52.3 +00:41:33 8.4 0.61 67 PPM 143134 00:06:08.1 +00:07:17 8.8 0.33 66 PPM 143151 00:07:08.8 +00:20:23 10.9 0.16 67 05PT21 00:07:26.2 +00:11:52 13.9 67 Positions are for J2000
Event circumstances last updated at 2021/04/19 23:04:29 UT
Marc W. Buie, Southwest Research Institute