Event between 15HF195 and star GA0700:05674228 with event index number of 2709679
Geocentric closest approach at 2024/04/03 18:35:30 UTC
J2000 position of star is 15:11:53.2 -18:59:14
Equinox of date position of star is 15:13:07.8 -19:04:06
Stellar brightness G=12.9,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 75 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=22.7
TNO is 35.2 AU from the Sun
and 34.4 AU from the Earth.
The TNO is moving 18.2
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 412 seconds.
The 1-sigma cross-track error in the shadow position is
4322 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 11.8 sec chord
Diameter=88.1 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 15HF195, (2024/04/03 18:35UT) Object RA Dec mag sep mel Antares 16:30:53.9 -26:29:01 0.9 19.34 56 27Bet Lib 15:18:19.0 -09:28:15 2.6 9.68 77 28 Lib 15:22:16.5 -18:14:42 6.4 2.29 73 PPM 229890 15:13:34.9 -19:11:48 6.6 0.14 75 15HF195 15:13:16.1 -19:04:38 12.9 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 15HF195, (2024/04/03 18:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.34 56 27Bet Lib 15:17:00.3 -09:22:59 2.6 9.68 77 28 Lib 15:20:53.7 -18:09:32 6.4 2.29 73 PPM 229890 15:12:12.0 -19:06:24 6.6 0.14 75 15HF195 15:11:53.2 -18:59:14 12.9 75 Positions are for J2000
Event circumstances last updated at 2021/11/02 23:36:24 UT
Marc W. Buie, Southwest Research Institute