Event between 12XR157 and star GA0920:00780984 with event index number of 2035116
Geocentric closest approach at 2024/03/22 22:57:51 UTC
J2000 position of star is 05:34:26.7 +02:35:33
Equinox of date position of star is 05:35:41.8 +02:36:25
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 95% illuminated.
Apparent brightness V=22.5
Object is 39.7 AU from the Sun
and 39.8 AU from the Earth.
Apparent velocity is 12.4
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 202 seconds.
The 1-sigma cross-track error in the shadow position is
2132 km.
The object has an absolute magnitude Hv=6.3
Diameter=334.2 km assuming a 5% albedo -- 27.1 sec chord
Diameter=136.4 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is 2:1E
Star training set for 12XR157, (2024/03/22 22:58UT) Object RA Dec mag sep mel Betelgeuse 05:56:29.0 +07:24:34 0.4 7.06 71 34Del Ori 05:33:14.7 -00:16:59 2.2 2.96 78 PPM 149035 05:31:10.2 +01:48:24 5.4 1.39 78 PPM 149129 05:34:37.6 +02:23:31 8.4 0.35 77 PPM 149186 05:36:58.8 +02:39:03 9.2 0.32 76 12XR157 05:35:42.6 +02:36:25 16.3 76 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 12XR157, (2024/03/22 22:58UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.06 71 34Del Ori 05:32:00.4 -00:17:57 2.2 2.96 78 PPM 149035 05:29:54.7 +01:47:22 5.4 1.39 78 PPM 149129 05:33:21.8 +02:22:36 8.4 0.35 77 PPM 149186 05:35:42.8 +02:38:13 9.2 0.32 76 12XR157 05:34:26.7 +02:35:33 16.3 77 Positions are for J2000
Event circumstances last updated at 2023/12/16 05:08:59 UT
Marc W. Buie, Southwest Research Institute