Event between (585913) 20QQ7 and star GA0900:00091670 with event index number of 2531009
Geocentric closest approach at 2024/01/05 07:50:48 UTC
J2000 position of star is 01:03:19.8 +01:45:57
Equinox of date position of star is 01:04:33.8 +01:53:39
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon.
Moon is 39% illuminated.
Apparent brightness V=21.1
Object is 14.2 AU from the Sun
and 14.2 AU from the Earth.
Apparent velocity is 8.8
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 64 seconds.
The 1-sigma cross-track error in the shadow position is
521 km.
The object has an absolute magnitude Hv=9.2
Diameter=81.7 km assuming a 5% albedo -- 9.8 sec chord
Diameter=33.3 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
Star training set for 585913, (2024/01/05 07:55UT) Object RA Dec mag sep mel Fomalhaut 22:58:58.3 -29:29:40 1.2 43.43 123 Algenib 00:14:28.5 +15:19:01 2.8 18.24 158 26 Cet 01:05:03.3 +01:29:42 6.0 0.42 166 PPM 144241 01:06:02.4 +01:42:58 8.9 0.41 167 PPM 144231 01:05:37.1 +01:54:18 10.8 0.26 167 585913 01:04:34.0 +01:53:40 15.7 167 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 585913, (2024/01/05 07:55UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 43.43 123 Algenib 00:13:14.2 +15:11:01 2.8 18.24 158 26 Cet 01:03:49.2 +01:22:00 6.0 0.42 166 PPM 144241 01:04:48.3 +01:35:16 8.9 0.41 167 PPM 144231 01:04:23.0 +01:46:36 10.8 0.26 167 585913 01:03:19.8 +01:45:57 15.7 167 Positions are for J2000
Event circumstances last updated at 2023/12/22 05:44:56 UT
Marc W. Buie, Southwest Research Institute