Event between (567122) 20PM3 and star GA1260:00237459 with event index number of 2643040
Geocentric closest approach at 2026/07/22 03:46:59 UTC
J2000 position of star is 01:08:16.3 +37:37:50
Equinox of date position of star is 01:09:37.1 +37:45:27
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 156 degrees from the moon.
Moon is 57% illuminated.
Apparent brightness V=20.5
Object is 12.2 AU from the Sun
and 12.2 AU from the Earth.
Apparent velocity is 20.2
km/sec on the sky relative to the star, or,
8.2 arcsec/hr.
The 1-sigma error in the time of the event is 53 seconds.
The 1-sigma cross-track error in the shadow position is
983 km.
The object has an absolute magnitude Hv=9.2
Diameter=80.5 km assuming a 5% albedo -- 4.3 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 567122, (2026/07/22 03:47UT) Object RA Dec mag sep mel Deneb 20:42:20.3 +45:22:35 1.3 49.14 108 57Gam1And 02:05:32.5 +42:27:21 2.3 11.63 156 45 And 01:12:40.4 +37:51:53 5.7 0.58 156 PPM 065975 01:08:52.4 +38:10:13 7.3 0.44 156 PPM 065974 01:08:43.3 +38:04:40 10.8 0.37 156 567122 01:09:46.1 +37:46:18 13.4 156 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 567122, (2026/07/22 03:47UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 49.14 108 57Gam1And 02:03:54.1 +42:19:46 2.3 11.63 156 45 And 01:11:10.2 +37:43:27 5.7 0.58 156 PPM 065975 01:07:22.6 +38:01:45 7.3 0.44 156 PPM 065974 01:07:13.5 +37:56:11 10.8 0.37 156 567122 01:08:16.3 +37:37:50 13.4 156 Positions are for J2000
Event circumstances last updated at 2023/11/20 04:24:58 UT
Marc W. Buie, Southwest Research Institute