Event between (568573) 04HN79 and star GA0600:08667273 with event index number of 2578630
Geocentric closest approach at 2027/05/23 21:24:27 UTC
J2000 position of star is 16:17:40.4 -28:20:06
Equinox of date position of star is 16:19:02.6 -28:23:16
Stellar brightness G=13.3,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 34 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=22.5
TNO is 35.3 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is
2646 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 9.7 sec chord
Diameter=94.4 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 568573, (2027/05/23 21:24UT) Object RA Dec mag sep mel Antares 16:31:05.5 -26:29:25 0.9 3.23 32 23Tau Sco 16:37:35.6 -28:16:13 2.8 4.01 30 PPM 265379 16:20:00.2 -28:40:46 5.1 0.31 34 PPM 265377 16:19:58.0 -28:06:25 7.7 0.32 34 PPM 265379 16:20:00.2 -28:40:46 5.1 0.31 34 568573 16:19:22.5 -28:24:01 13.3 34 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 568573, (2027/05/23 21:24UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 3.23 32 23Tau Sco 16:35:52.9 -28:12:58 2.8 4.01 30 PPM 265379 16:18:17.9 -28:36:53 5.1 0.31 34 PPM 265377 16:18:16.2 -28:02:31 7.7 0.32 34 PPM 265379 16:18:17.9 -28:36:53 5.1 0.31 34 568573 16:17:40.4 -28:20:06 13.3 34 Positions are for J2000
Event circumstances last updated at 2022/01/25 00:45:02 UT
Marc W. Buie, Southwest Research Institute