Event between (342842) 08YB3 and star GA1040:17086785 with event index number of 2741112
Geocentric closest approach at 2029/03/26 00:04:51 UTC
J2000 position of star is 20:03:44.6 +14:06:16
Equinox of date position of star is 20:04:52.0 +14:10:27
Stellar brightness G=12.7,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 149 degrees from the moon.
Moon is 77% illuminated.
Apparent brightness V=22.1
Object is 16.6 AU from the Sun
and 17.0 AU from the Earth.
Apparent velocity is 16.6
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 117 seconds.
The 1-sigma cross-track error in the shadow position is
2100 km.
The object has an absolute magnitude Hv=9.5
Diameter=82.8 km assuming a 5% albedo -- 4.6 sec chord
Diameter=33.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2029/03/26 00:05UT) Object RA Dec mag sep mel Vega 18:37:55.6 +38:48:43 0.0 31.23 118 Tarazed 19:47:38.9 +10:41:11 2.7 5.51 150 PPM 137524 20:04:50.2 +16:06:54 5.4 1.93 147 PPM 137474 20:03:41.4 +13:59:33 8.0 0.39 149 PPM 137576 20:06:08.3 +14:09:26 9.4 0.25 149 342842 20:05:06.1 +14:11:19 12.7 149 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, (2029/03/26 00:05UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 31.23 118 Tarazed 19:46:15.6 +10:36:48 2.7 5.51 150 PPM 137524 20:03:30.0 +16:01:52 5.4 1.93 147 PPM 137474 20:02:19.9 +13:54:33 8.0 0.39 149 PPM 137576 20:04:46.8 +14:04:21 9.4 0.25 149 342842 20:03:44.6 +14:06:16 12.7 149 Positions are for J2000
Event circumstances last updated at 2024/03/08 03:12:28 UT
Marc W. Buie, Southwest Research Institute