Event between 03FM129 and star GA0780:05192182 with event index number of 1998246
Geocentric closest approach at 2023/04/18 18:14:34 UTC
J2000 position of star is 16:21:33.3 -10:42:03
Equinox of date position of star is 16:22:45.2 -10:45:04
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 125 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=22.0
TNO is 36.7 AU from the Sun
and 35.9 AU from the Earth.
The TNO is moving 18.6
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 116 seconds.
The 1-sigma cross-track error in the shadow position is
1537 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=319.2 km assuming a 5% albedo -- 17.7 sec chord
Diameter=130.3 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 03FM129, (2023/04/18 18:14UT) Object RA Dec mag sep mel Antares 16:30:50.4 -26:28:54 0.9 15.84 120 13Zet Oph 16:38:26.6 -10:36:45 2.6 3.84 121 15Psi Sco 16:13:16.6 -10:07:22 4.9 2.43 127 PPM 199541 16:21:17.0 -09:54:20 8.2 0.93 125 PPM 231587 16:22:55.5 -10:49:58 9.5 0.08 124 03FM129 16:22:50.3 -10:45:16 16.4 124 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 03FM129, (2023/04/18 18:14UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.84 120 13Zet Oph 16:37:09.6 -10:34:01 2.6 3.84 121 15Psi Sco 16:12:00.0 -10:03:52 4.9 2.43 127 PPM 199541 16:20:00.4 -09:51:04 8.2 0.93 125 PPM 231587 16:21:38.5 -10:46:45 9.5 0.08 124 03FM129 16:21:33.3 -10:42:03 16.4 124 Positions are for J2000
Event circumstances last updated at 2021/10/07 00:39:39 UT
Marc W. Buie, Southwest Research Institute