Event between (5145) Pholus and star GA0740:29058458 with event index number of 2720694
Geocentric closest approach at 2029/03/25 23:15:49 UTC
J2000 position of star is 19:07:47.7 -15:50:31
Equinox of date position of star is 19:09:11.9 -15:48:07
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 158 degrees from the moon.
Moon is 77% illuminated.
Apparent brightness V=22.2
Object is 31.2 AU from the Sun
and 31.4 AU from the Earth.
Apparent velocity is 9.7
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 389 seconds.
The 1-sigma cross-track error in the shadow position is
1647 km.
The object has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 24.0 sec chord
Diameter=93.5 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is CENTAURR
Star training set for 5145, (2029/03/25 23:16UT) Object RA Dec mag sep mel Antares 16:31:12.3 -26:29:39 0.9 38.25 121 Nunki 18:57:04.5 -26:15:27 2.0 10.85 153 PPM 235507 19:08:32.9 -16:10:55 5.8 0.45 158 PPM 235516 19:08:55.6 -15:52:20 8.4 0.15 158 5145 19:09:28.2 -15:47:39 16.9 158 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 5145, (2029/03/25 23:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.25 121 Nunki 18:55:15.9 -26:17:49 2.0 10.85 153 PPM 235507 19:06:52.1 -16:13:46 5.8 0.45 158 PPM 235516 19:07:15.0 -15:55:12 8.4 0.15 158 5145 19:07:47.7 -15:50:31 16.9 158 Positions are for J2000
Event circumstances last updated at 2024/06/26 21:34:25 UT
Marc W. Buie, Southwest Research Institute