Event between 04HC79 and star GA0660:10314352 with event index number of 1969521
Geocentric closest approach at 2023/05/05 14:13:02 UTC
J2000 position of star is 17:12:09.5 -23:14:06
Equinox of date position of star is 17:13:32.2 -23:15:39
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 36 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=23.2
TNO is 39.8 AU from the Sun
and 39.0 AU from the Earth.
The TNO is moving 19.1
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 277 seconds.
The 1-sigma cross-track error in the shadow position is
1553 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=232.3 km assuming a 5% albedo -- 12.1 sec chord
Diameter=94.8 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 04HC79, (2023/05/05 14:12UT) Object RA Dec mag sep mel Antares 16:30:50.5 -26:28:54 0.9 10.21 27 35Eta Oph 17:11:43.1 -15:45:08 2.6 7.52 36 PPM 266403 17:07:35.6 -21:35:42 6.3 2.17 34 PPM 266547 17:13:48.1 -22:57:06 8.2 0.31 36 PPM 266544 17:13:40.2 -23:11:21 9.3 0.08 36 04HC79 17:13:34.4 -23:15:41 15.6 36 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 04HC79, (2023/05/05 14:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.21 27 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.52 36 PPM 266403 17:06:11.8 -21:33:54 6.3 2.17 34 PPM 266547 17:12:23.4 -22:55:31 8.2 0.31 36 PPM 266544 17:12:15.3 -23:09:45 9.3 0.08 36 04HC79 17:12:09.5 -23:14:06 15.6 36 Positions are for J2000
Event circumstances last updated at 2022/09/26 02:28:47 UT
Marc W. Buie, Southwest Research Institute