Event between (342842) 08YB3 and star GA1120:11472583 with event index number of 2205621
Geocentric closest approach at 2027/07/29 19:12:41 UTC
J2000 position of star is 19:51:03.2 +23:22:42
Equinox of date position of star is 19:52:05.2 +23:26:29
Stellar brightness G=12.6,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 18% illuminated.
Apparent brightness V=21.8
Object is 16.3 AU from the Sun
and 15.6 AU from the Earth.
Apparent velocity is 31.7
km/sec on the sky relative to the star, or,
10.1 arcsec/hr.
The 1-sigma error in the time of the event is 31 seconds.
The 1-sigma cross-track error in the shadow position is
2040 km.
The object has an absolute magnitude Hv=9.5
Diameter=82.8 km assuming a 5% albedo -- 2.4 sec chord
Diameter=33.8 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2027/07/29 19:13UT) Object RA Dec mag sep mel Vega 18:37:52.3 +38:48:37 0.0 22.03 110 Tarazed 19:47:34.2 +10:40:56 2.7 12.82 124 12 Vul 19:52:15.3 +22:40:54 4.7 0.77 115 PPM 109893 19:53:16.3 +23:20:39 8.4 0.26 114 PPM 109867 19:52:39.3 +23:36:06 9.2 0.18 114 PPM 109835 19:51:47.1 +23:32:07 10.3 0.13 114 342842 19:52:13.9 +23:27:01 12.6 114 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 342842, (2027/07/29 19:13UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 22.03 110 Tarazed 19:46:15.6 +10:36:48 2.7 12.82 124 12 Vul 19:51:04.1 +22:36:36 4.7 0.77 115 PPM 109893 19:52:05.5 +23:16:18 8.4 0.26 114 PPM 109867 19:51:28.7 +23:31:46 9.2 0.18 114 PPM 109835 19:50:36.5 +23:27:49 10.3 0.13 114 342842 19:51:03.2 +23:22:42 12.6 114 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:29:01 UT
Marc W. Buie, Southwest Research Institute