Event between (278361) 07JJ43 and star GA0640:23947679 with event index number of 2818315
Geocentric closest approach at 2029/08/09 01:26:29 UTC
J2000 position of star is 17:51:30.0 -24:09:37
Equinox of date position of star is 17:52:58.8 -24:09:54
Stellar brightness G=0.0,
use SENSEUP=2 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=20.7
Object is 40.4 AU from the Sun
and 39.8 AU from the Earth.
Apparent velocity is 14.5
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 749 seconds.
The 1-sigma cross-track error in the shadow position is
4053 km.
The object has an absolute magnitude Hv=4.5
Diameter=758.6 km assuming a 5% albedo -- 52.6 sec chord
Diameter=309.7 km assuming a 30% albedo -- 21.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 278361, (2029/08/09 00:52UT) Object RA Dec mag sep mel Antares 16:31:13.7 -26:29:42 0.9 18.67 126 35Eta Oph 17:12:04.7 -15:45:34 2.6 12.82 135 PPM 267497 17:56:43.5 -24:53:24 6.4 1.06 145 PPM 267453 17:54:43.9 -24:13:11 8.4 0.33 145 PPM 267403 17:52:58.7 -23:58:06 9.7 0.21 145 278361 17:53:18.8 -24:09:57 0.0 145 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 278361, (2029/08/09 00:52UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.67 126 35Eta Oph 17:10:22.7 -15:43:29 2.6 12.82 135 PPM 267497 17:54:54.1 -24:53:13 6.4 1.06 145 PPM 267453 17:52:55.1 -24:12:55 8.4 0.33 145 PPM 267403 17:51:10.1 -23:57:45 9.7 0.21 145 278361 17:51:30.0 -24:09:37 0.0 145 Positions are for J2000
Event circumstances last updated at 2024/03/08 03:41:49 UT
Marc W. Buie, Southwest Research Institute