Event between 04OP15 and star GA0800:21288473 with event index number of 2576782
Geocentric closest approach at 2022/09/26 23:30:42 UTC
J2000 position of star is 20:41:49.1 -08:31:45
Equinox of date position of star is 20:43:00.8 -08:26:56
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.7
TNO is 37.7 AU from the Sun
and 37.1 AU from the Earth.
The TNO is moving 13.1
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 498 seconds.
The 1-sigma cross-track error in the shadow position is
5850 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=257.0 km assuming a 5% albedo -- 19.6 sec chord
Diameter=104.9 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is SCATEXTD
Star training set for 04OP15, (2022/09/26 23:31UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.1 -29:30:04 1.2 38.15 134 Tarazed 19:47:20.4 +10:40:12 2.7 23.61 101 2Eps Aqr 20:48:54.3 -09:24:40 3.8 1.74 114 PPM 204340 20:43:08.6 -08:41:25 8.2 0.24 113 PPM 204349 20:43:39.2 -08:33:30 9.2 0.19 113 04OP15 20:43:02.5 -08:26:49 15.8 113 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 04OP15, (2022/09/26 23:31UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 38.15 134 Tarazed 19:46:15.6 +10:36:48 2.7 23.61 101 2Eps Aqr 20:47:40.6 -09:29:45 3.8 1.74 114 PPM 204340 20:41:55.2 -08:46:22 8.2 0.24 113 PPM 204349 20:42:25.8 -08:38:28 9.2 0.19 113 04OP15 20:41:49.1 -08:31:45 15.8 113 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:16:31 UT
Marc W. Buie, Southwest Research Institute