Event between 03UT292 and star GA0960:01179715 with event index number of 1073286
Geocentric closest approach at 2021/04/08 00:34:34 UTC
J2000 position of star is 06:03:59.7 +07:58:40
Equinox of date position of star is 06:05:08.4 +07:58:31
Stellar brightness G=12.1,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 116 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=21.7
TNO is 27.8 AU from the Sun
and 28.1 AU from the Earth.
The TNO is moving 16.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is
1169 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=235.5 km assuming a 5% albedo -- 14.7 sec chord
Diameter=96.1 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is 3:2E
Star training set for 03UT292, (2021/04/08 00:35UT) Object RA Dec mag sep mel Betelgeuse 05:56:19.4 +07:24:33 0.4 2.26 114 Bellatrix 05:26:16.4 +06:22:02 1.6 9.78 106 63 Ori 06:06:06.2 +05:25:01 6.4 2.57 116 PPM 149822 06:04:19.2 +07:37:30 8.0 0.41 116 PPM 149825 06:04:32.2 +08:11:14 8.8 0.26 116 PPM 149838 06:04:55.3 +08:05:01 10.2 0.12 116 03UT292 06:05:09.1 +07:58:31 12.1 116 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 03UT292, (2021/04/08 00:35UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 2.26 114 Bellatrix 05:25:07.8 +06:20:58 1.6 9.78 106 63 Ori 06:04:58.1 +05:25:12 6.4 2.57 116 PPM 149822 06:03:10.0 +07:37:37 8.0 0.41 116 PPM 149825 06:03:22.7 +08:11:22 8.8 0.26 116 PPM 149838 06:03:45.9 +08:05:10 10.2 0.12 116 03UT292 06:03:59.7 +07:58:40 12.1 116 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:52:08 UT
Marc W. Buie, Southwest Research Institute