Event between (38084) 99HB12 and star GA0800:05617247 with event index number of 1887667
Geocentric closest approach at 2028/05/24 01:07:01 UTC
J2000 position of star is 16:58:48.7 -09:04:35
Equinox of date position of star is 17:00:08.5 -09:06:42
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 157 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=22.3
Object is 33.2 AU from the Sun
and 32.2 AU from the Earth.
Apparent velocity is 22.7
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is
1597 km.
The object has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 10.3 sec chord
Diameter=94.4 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is 5:2EEE
Star training set for 38084, (2028/05/24 01:07UT) Object RA Dec mag sep mel Antares 16:31:09.2 -26:29:33 0.9 18.70 170 13Zet Oph 16:38:43.5 -10:37:20 2.6 5.54 162 PPM 232375 16:59:00.4 -11:00:22 6.3 1.92 159 PPM 200239 17:01:03.9 -07:59:46 8.4 1.13 156 PPM 200231 17:00:42.8 -09:09:44 9.5 0.10 157 38084 17:00:21.9 -09:07:03 16.6 157 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 38084, (2028/05/24 01:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.70 170 13Zet Oph 16:37:09.6 -10:34:01 2.6 5.54 162 PPM 232375 16:57:26.0 -10:57:50 6.3 1.92 159 PPM 200239 16:59:31.4 -07:57:19 8.4 1.13 156 PPM 200231 16:59:09.6 -09:07:17 9.5 0.10 157 38084 16:58:48.7 -09:04:35 16.6 157 Positions are for J2000
Event circumstances last updated at 2024/04/24 02:53:53 UT
Marc W. Buie, Southwest Research Institute