Event between (342842) 08YB3 and star GA1100:10952284 with event index number of 2205714
Geocentric closest approach at 2027/09/05 00:32:53 UTC
J2000 position of star is 19:42:29.0 +21:54:14
Equinox of date position of star is 19:43:31.7 +21:57:45
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 89 degrees from the moon.
Moon is 23% illuminated.
Apparent brightness V=21.8
Object is 16.4 AU from the Sun
and 15.8 AU from the Earth.
Apparent velocity is 30.4
km/sec on the sky relative to the star, or,
9.6 arcsec/hr.
The 1-sigma error in the time of the event is 59 seconds.
The 1-sigma cross-track error in the shadow position is
1505 km.
The object has an absolute magnitude Hv=9.5
Diameter=82.8 km assuming a 5% albedo -- 2.5 sec chord
Diameter=33.8 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2027/09/05 00:35UT) Object RA Dec mag sep mel Vega 18:37:52.5 +38:48:37 0.0 21.95 83 Tarazed 19:47:34.5 +10:40:57 2.7 11.33 85 PPM 109585 19:44:36.3 +22:33:45 6.4 0.63 89 PPM 109476 19:41:44.2 +21:38:31 7.7 0.56 88 PPM 109547 19:43:37.2 +21:59:03 9.8 0.02 89 342842 19:43:40.7 +21:58:15 17.0 89 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, (2027/09/05 00:35UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 21.95 83 Tarazed 19:46:15.6 +10:36:48 2.7 11.33 85 PPM 109585 19:43:25.0 +22:29:41 6.4 0.63 89 PPM 109476 19:40:32.3 +21:34:34 7.7 0.56 88 PPM 109547 19:42:25.5 +21:55:02 9.8 0.02 89 342842 19:42:29.0 +21:54:14 17.0 89 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:29:32 UT
Marc W. Buie, Southwest Research Institute