Event between (181855) 98WT31 and star GA1320:02789667 with event index number of 1300465
Geocentric closest approach at 2024/03/10 13:34:01 UTC
J2000 position of star is 05:14:45.0 +42:56:27
Equinox of date position of star is 05:16:28.6 +42:58:00
Stellar brightness G=12.1,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 89 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=23.6
Object is 37.6 AU from the Sun
and 37.6 AU from the Earth.
Apparent velocity is 9.1
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 571 seconds.
The 1-sigma cross-track error in the shadow position is
4286 km.
The object has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 19.1 sec chord
Diameter=70.9 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 181855, (2024/03/10 13:34UT) Object RA Dec mag sep mel Aldebaran 04:37:18.7 +16:33:22 0.8 27.70 76 34Bet Aur 06:01:18.3 +44:56:50 1.9 8.30 97 PPM 047726 05:08:33.5 +43:12:19 6.5 1.47 87 PPM 047916 05:17:56.4 +42:46:53 8.0 0.33 89 PPM 047898 05:17:05.9 +42:56:30 9.6 0.12 89 181855 05:16:28.9 +42:58:00 12.1 89 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 181855, (2024/03/10 13:34UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.70 76 34Bet Aur 05:59:31.6 +44:56:51 1.9 8.30 97 PPM 047726 05:06:49.5 +43:10:29 6.5 1.47 87 PPM 047916 05:16:12.6 +42:45:22 8.0 0.33 89 PPM 047898 05:15:22.0 +42:54:58 9.6 0.12 89 181855 05:14:45.0 +42:56:27 12.1 89 Positions are for J2000
Event circumstances last updated at 2024/02/12 04:18:45 UT
Marc W. Buie, Southwest Research Institute