Event between (91205) 98US43 and star GA1040:01363816 with event index number of 1309254
Geocentric closest approach at 2024/01/28 22:34:33 UTC
J2000 position of star is 05:58:25.3 +15:31:08
Equinox of date position of star is 05:59:44.6 +15:31:09
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 75 degrees from the moon.
Moon is 91% illuminated.
Apparent brightness V=24.1
Object is 38.3 AU from the Sun
and 37.5 AU from the Earth.
Apparent velocity is 19.1
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 392 seconds.
The 1-sigma cross-track error in the shadow position is
1633 km.
The object has an absolute magnitude Hv=8.2
Diameter=151.4 km assuming a 5% albedo -- 7.1 sec chord
Diameter=61.8 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 3:2E
Star training set for 91205, (2024/01/28 22:28UT) Object RA Dec mag sep mel Betelgeuse 05:56:28.6 +07:24:34 0.4 8.15 76 Alhena 06:39:06.1 +16:22:36 1.9 9.48 65 137 Tau 05:53:44.4 +14:10:33 5.5 1.99 76 PPM 121698 06:00:25.7 +15:18:54 8.2 0.25 74 PPM 121668 05:59:20.5 +15:39:48 9.8 0.18 75 91205 05:59:48.2 +15:31:09 15.0 74 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 91205, (2024/01/28 22:28UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.15 76 Alhena 06:37:42.8 +16:23:57 1.9 9.48 65 137 Tau 05:52:22.2 +14:10:18 5.5 1.99 76 PPM 121698 05:59:02.8 +15:18:53 8.2 0.25 74 PPM 121668 05:57:57.5 +15:39:45 9.8 0.18 75 91205 05:58:25.3 +15:31:08 15.0 74 Positions are for J2000
Event circumstances last updated at 2023/01/12 04:55:21 UT
Marc W. Buie, Southwest Research Institute