Event between (160427) 05RL43 and star GA1000:00776851 with event index number of 1967207
Geocentric closest approach at 2025/10/02 04:05:53 UTC
J2000 position of star is 05:26:29.1 +10:51:54
Equinox of date position of star is 05:27:48.9 +10:53:03
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon.
Moon is 71% illuminated.
Apparent brightness V=22.1
Object is 24.8 AU from the Sun
and 24.5 AU from the Earth.
Apparent velocity is 6.7
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 159 seconds.
The 1-sigma cross-track error in the shadow position is
1093 km.
The object has an absolute magnitude Hv=8.0
Diameter=155.6 km assuming a 5% albedo -- 22.9 sec chord
Diameter=63.5 km assuming a 30% albedo -- 9.3 sec chord
Dynamical classification is CENTAURR
Star training set for 160427, (2025/10/02 04:06UT) Object RA Dec mag sep mel Betelgeuse 05:56:34.0 +07:24:35 0.4 7.88 140 Bellatrix 05:26:30.8 +06:22:15 1.6 4.53 132 PPM 121138 05:36:38.5 +10:15:18 5.7 2.24 136 PPM 120908 05:25:19.7 +11:06:20 8.2 0.67 134 PPM 120954 05:28:03.0 +11:17:54 9.4 0.41 135 PPM 120979 05:29:14.8 +10:53:32 10.4 0.33 135 160427 05:27:54.8 +10:53:08 16.2 135 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 160427, (2025/10/02 04:06UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.88 140 Bellatrix 05:25:07.8 +06:20:58 1.6 4.53 132 PPM 121138 05:35:13.2 +10:14:24 5.7 2.24 136 PPM 120908 05:23:53.8 +11:05:01 8.2 0.67 134 PPM 120954 05:26:37.0 +11:16:40 9.4 0.41 135 PPM 120979 05:27:49.1 +10:52:21 10.4 0.33 135 160427 05:26:29.1 +10:51:54 16.2 135 Positions are for J2000
Event circumstances last updated at 2023/12/22 05:56:34 UT
Marc W. Buie, Southwest Research Institute