Event between (612352) 02GY32 and star GA0680:09321172 with event index number of 2813419
Geocentric closest approach at 2027/02/23 17:29:46 UTC
J2000 position of star is 17:07:31.8 -21:58:13
Equinox of date position of star is 17:08:52.2 -21:59:54
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 67 degrees from the moon.
Moon is 90% illuminated.
TNO apparent brightness V=23.3
TNO is 37.2 AU from the Sun
and 37.4 AU from the Earth.
The TNO is moving 12.3
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 1330 seconds.
The 1-sigma cross-track error in the shadow position is
3351 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=198.6 km assuming a 5% albedo -- 16.1 sec chord
Diameter=81.1 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is 3:2E
Star training set for 612352, (2027/02/23 17:30UT) Object RA Dec mag sep mel Antares 16:31:04.6 -26:29:23 0.9 9.77 58 35Eta Oph 17:11:56.2 -15:45:24 2.6 6.28 67 PPM 266403 17:07:49.2 -21:35:59 6.3 0.51 66 PPM 266452 17:10:05.4 -22:18:18 9.5 0.37 67 612352 17:09:09.5 -22:00:15 15.3 67 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 612352, (2027/02/23 17:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.77 58 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.28 67 PPM 266403 17:06:11.8 -21:33:54 6.3 0.51 66 PPM 266452 17:08:27.4 -22:16:19 9.5 0.37 67 612352 17:07:31.8 -21:58:13 15.3 67 Positions are for J2000
Event circumstances last updated at 2022/05/05 23:22:04 UT
Marc W. Buie, Southwest Research Institute