Event between 05GF187 and star GA0680:19791946 with event index number of 1277698
Geocentric closest approach at 2024/02/21 16:21:21 UTC
J2000 position of star is 17:52:14.4 -20:49:30
Equinox of date position of star is 17:53:39.9 -20:49:44
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 93% illuminated.
Apparent brightness V=23.0
Object is 29.4 AU from the Sun
and 29.8 AU from the Earth.
Apparent velocity is 19.7
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 628 seconds.
The 1-sigma cross-track error in the shadow position is
1393 km.
The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 7.2 sec chord
Diameter=58.2 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 3:2E
Star training set for 05GF187, (2024/02/21 16:21UT) Object RA Dec mag sep mel Antares 16:30:53.5 -26:29:00 0.9 19.76 129 35Eta Oph 17:11:45.9 -15:45:11 2.6 11.16 135 PPM 267640 18:01:26.3 -20:20:21 6.0 1.88 148 PPM 267493 17:56:07.7 -21:01:26 8.5 0.60 147 PPM 267458 17:54:29.6 -20:51:16 9.0 0.19 146 05GF187 17:53:40.9 -20:49:44 16.7 146 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, (2024/02/21 16:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.76 129 35Eta Oph 17:10:22.7 -15:43:29 2.6 11.16 135 PPM 267640 18:00:00.1 -20:20:23 6.0 1.88 148 PPM 267493 17:54:41.0 -21:01:17 8.5 0.60 147 PPM 267458 17:53:03.0 -20:51:03 9.0 0.19 146 05GF187 17:52:14.4 -20:49:30 16.7 146 Positions are for J2000
Event circumstances last updated at 2023/11/04 04:09:39 UT
Marc W. Buie, Southwest Research Institute