Event between (126155) 01YJ140 and star GA1080:03117635 with event index number of 2142855
Geocentric closest approach at 2023/05/17 09:07:37 UTC
J2000 position of star is 08:38:45.8 +19:34:33
Equinox of date position of star is 08:40:05.4 +19:29:36
Stellar brightness G=12.4,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 99 degrees from the moon.
Moon is 6% illuminated.
Apparent brightness V=22.5
Object is 29.4 AU from the Sun
and 29.8 AU from the Earth.
Apparent velocity is 15.3
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 98 seconds.
The 1-sigma cross-track error in the shadow position is
1290 km.
The object has an absolute magnitude Hv=7.6
Diameter=185.4 km assuming a 5% albedo -- 12.1 sec chord
Diameter=75.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 3:2E
Star training set for 126155, (2023/05/17 09:07UT) Object RA Dec mag sep mel Pollux 07:46:44.7 +27:58:04 1.1 14.85 85 33Eta Cnc 08:34:03.4 +20:21:37 5.3 1.67 97 PPM 125538 08:40:29.4 +19:30:32 8.5 0.09 99 126155 08:40:06.2 +19:29:33 12.4 99 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 126155, (2023/05/17 09:07UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 14.85 85 33Eta Cnc 08:32:42.4 +20:26:27 5.3 1.67 97 PPM 125538 08:39:09.0 +19:35:32 8.5 0.09 99 126155 08:38:45.8 +19:34:33 12.4 99 Positions are for J2000
Event circumstances last updated at 2023/02/17 04:10:41 UT
Marc W. Buie, Southwest Research Institute