Event between (42355) Typhon and star GA0660:07565665 with event index number of 2756332
Geocentric closest approach at 2029/05/23 04:08:50 UTC
J2000 position of star is 16:20:50.0 -23:57:16
Equinox of date position of star is 16:22:18.5 -24:00:40
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 72% illuminated.
Apparent brightness V=22.1
Object is 28.6 AU from the Sun
and 27.6 AU from the Earth.
Apparent velocity is 23.8
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 63 seconds.
The 1-sigma cross-track error in the shadow position is
1029 km.
The object has an absolute magnitude Hv=7.6
Diameter=181.1 km assuming a 5% albedo -- 7.5 sec chord
Diameter=74.0 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
Star training set for 42355, (2029/05/23 04:09UT) Object RA Dec mag sep mel Antares 16:31:12.9 -26:29:40 0.9 3.15 71 7Del Sco 16:02:04.6 -22:42:10 2.3 4.89 64 19Omi Sco 16:22:24.6 -24:14:16 4.0 0.22 69 PPM 265444 16:23:05.3 -23:46:33 7.4 0.27 69 PPM 265417 16:21:56.7 -23:52:19 10.0 0.21 69 PPM 265435 16:22:44.0 -23:56:40 10.3 0.08 69 42355 16:22:36.2 -24:01:21 15.2 69 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 42355, (2029/05/23 04:09UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 3.15 71 7Del Sco 16:00:20.0 -22:37:19 2.3 4.89 64 19Omi Sco 16:20:38.2 -24:10:10 4.0 0.22 69 PPM 265444 16:21:19.2 -23:42:29 7.4 0.27 69 PPM 265417 16:20:10.5 -23:48:13 10.0 0.21 69 PPM 265435 16:20:57.8 -23:52:35 10.3 0.08 69 42355 16:20:50.0 -23:57:16 15.2 69 Positions are for J2000
Event circumstances last updated at 2024/06/26 21:35:38 UT
Marc W. Buie, Southwest Research Institute