Event between (342842) 08YB3 and star GA1080:11979059 with event index number of 2205905
Geocentric closest approach at 2027/11/22 19:31:42 UTC
J2000 position of star is 19:41:32.7 +18:04:19
Equinox of date position of star is 19:42:37.5 +18:07:48
Stellar brightness G=12.7,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 30% illuminated.
Apparent brightness V=22.0
Object is 16.4 AU from the Sun
and 16.8 AU from the Earth.
Apparent velocity is 25.4
km/sec on the sky relative to the star, or,
7.5 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is
1638 km.
The object has an absolute magnitude Hv=9.5
Diameter=82.8 km assuming a 5% albedo -- 3.0 sec chord
Diameter=33.8 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2027/11/22 19:34UT) Object RA Dec mag sep mel Vega 18:37:52.9 +38:48:38 0.0 25.03 104 Tarazed 19:47:35.1 +10:40:59 2.7 7.55 124 5Alp Sge 19:41:20.6 +18:04:47 5.1 0.35 121 PPM 136784 19:42:39.2 +18:15:37 8.0 0.13 121 342842 19:42:47.5 +18:08:20 12.7 122 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, (2027/11/22 19:34UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 25.03 104 Tarazed 19:46:15.6 +10:36:48 2.7 7.55 124 5Alp Sge 19:40:05.8 +18:00:50 5.1 0.35 121 PPM 136784 19:41:24.6 +18:11:36 8.0 0.13 121 342842 19:41:32.7 +18:04:19 12.7 121 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:34:32 UT
Marc W. Buie, Southwest Research Institute