Event between (523800) 17KZ31 and star GA1220:03167368 with event index number of 2670081
Geocentric closest approach at 2029/01/01 23:48:08 UTC
J2000 position of star is 07:33:31.5 +33:12:37
Equinox of date position of star is 07:35:05.3 +33:09:23
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 15 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=23.6
Object is 21.4 AU from the Sun
and 20.4 AU from the Earth.
Apparent velocity is 36.0
km/sec on the sky relative to the star, or,
8.7 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1796 km.
The object has an absolute magnitude Hv=10.3
Diameter=52.2 km assuming a 5% albedo -- 1.4 sec chord
Diameter=21.3 km assuming a 30% albedo -- 0.6 sec chord
Dynamical classification is CENTAURR
Star training set for 523800, (2029/01/01 23:47UT) Object RA Dec mag sep mel Pollux 07:47:05.5 +27:57:13 1.1 5.77 10 62Rho Gem 07:30:58.3 +31:43:25 4.2 1.70 14 PPM 072932 07:36:17.0 +33:03:24 8.1 0.21 15 PPM 072904 07:34:57.3 +33:08:16 10.6 0.09 15 523800 07:35:23.9 +33:08:45 13.2 15 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 523800, (2029/01/01 23:47UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 5.77 10 62Rho Gem 07:29:07.0 +31:47:08 4.2 1.70 14 PPM 072932 07:34:24.7 +33:07:19 8.1 0.21 15 PPM 072904 07:33:04.8 +33:12:08 10.6 0.09 15 523800 07:33:31.5 +33:12:37 13.2 15 Positions are for J2000
Event circumstances last updated at 2024/03/19 04:09:48 UT
Marc W. Buie, Southwest Research Institute