Event between (472651) 15DB216 and star GA0380:14469694 with event index number of 2312295
Geocentric closest approach at 2028/04/05 18:05:07 UTC
J2000 position of star is 15:11:00.5 -51:51:48
Equinox of date position of star is 15:12:46.8 -51:57:17
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 93 degrees from the moon.
Moon is 81% illuminated.
Apparent brightness V=19.8
Object is 12.9 AU from the Sun
and 12.3 AU from the Earth.
Apparent velocity is 19.1
km/sec on the sky relative to the star, or,
7.7 arcsec/hr.
The 1-sigma error in the time of the event is 80 seconds.
The 1-sigma cross-track error in the shadow position is
1417 km.
The object has an absolute magnitude Hv=8.5
Diameter=117.5 km assuming a 5% albedo -- 6.2 sec chord
Diameter=48.0 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 472651, (2028/04/05 18:05UT) Object RA Dec mag sep mel PPM 360911 14:41:34.5 -60:57:04 0.0 9.96 91 Alp Lup 14:43:49.5 -47:30:27 2.3 6.49 87 PPM 343293 14:59:02.0 -51:33:35 6.5 2.21 91 PPM 343477 15:12:31.1 -52:07:36 8.1 0.18 93 PPM 343479 15:12:31.0 -51:51:44 9.5 0.14 93 472651 15:13:03.3 -51:58:07 15.5 93 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 472651, (2028/04/05 18:05UT) Object RA Dec mag sep mel PPM 360911 14:39:23.8 -60:49:51 0.0 9.96 91 Alp Lup 14:41:55.7 -47:23:18 2.3 6.49 87 PPM 343293 14:57:01.8 -51:26:51 6.5 2.21 91 PPM 343477 15:10:28.3 -52:01:16 8.1 0.18 93 PPM 343479 15:10:28.4 -51:45:24 9.5 0.14 93 472651 15:11:00.5 -51:51:48 15.5 93 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:29:48 UT
Marc W. Buie, Southwest Research Institute