Event between 05GF187 and star GA0680:13675121 with event index number of 1277329
Geocentric closest approach at 2023/07/18 03:43:34 UTC
J2000 position of star is 17:34:02.4 -20:30:17
Equinox of date position of star is 17:35:25.6 -20:31:09
Stellar brightness G=13.1,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=22.8
Object is 29.4 AU from the Sun
and 28.5 AU from the Earth.
Apparent velocity is 18.9
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 497 seconds.
The 1-sigma cross-track error in the shadow position is
1464 km.
The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 7.5 sec chord
Diameter=58.2 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
Star training set for 05GF187, (2023/07/18 03:44UT) Object RA Dec mag sep mel Antares 16:30:51.3 -26:28:56 0.9 15.95 130 35Eta Oph 17:11:43.8 -15:45:09 2.6 7.38 137 PPM 267109 17:40:09.8 -21:55:28 6.4 1.78 145 PPM 267057 17:37:47.6 -20:59:25 8.4 0.72 144 PPM 267006 17:35:10.4 -20:31:48 9.3 0.06 144 05GF187 17:35:26.5 -20:31:09 13.1 144 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 05GF187, (2023/07/18 03:44UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.95 130 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.38 137 PPM 267109 17:38:44.8 -21:54:46 6.4 1.78 145 PPM 267057 17:36:23.2 -20:58:38 8.4 0.72 144 PPM 267006 17:33:46.3 -20:30:55 9.3 0.06 144 05GF187 17:34:02.4 -20:30:17 13.1 144 Positions are for J2000
Event circumstances last updated at 2023/04/18 02:30:08 UT
Marc W. Buie, Southwest Research Institute