Event between 04KV18 and star GA0760:15551513 with event index number of 2565355
Geocentric closest approach at 2025/07/01 17:42:33 UTC
J2000 position of star is 18:35:42.2 -13:27:02
Equinox of date position of star is 18:36:56.8 -13:25:52
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 40% illuminated.
TNO apparent brightness V=23.6
TNO is 31.0 AU from the Sun
and 30.0 AU from the Earth.
The TNO is moving 24.2
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 820 seconds.
The 1-sigma cross-track error in the shadow position is
5228 km.
The TNO has an absolute magnitude Hv=8.7
Diameter=110.2 km assuming a 5% albedo -- 4.6 sec chord
Diameter=45.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 04KV18, (2025/07/01 17:43UT) Object RA Dec mag sep mel Antares 16:30:58.5 -26:29:11 0.9 32.27 72 Nunki 18:56:50.7 -26:15:46 2.0 13.64 104 PPM 234707 18:35:06.4 -14:49:57 6.1 1.49 100 PPM 234736 18:36:13.6 -13:24:46 8.4 0.22 100 PPM 234759 18:37:10.3 -13:17:29 8.8 0.14 101 04KV18 18:37:08.6 -13:25:41 16.3 101 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 04KV18, (2025/07/01 17:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.27 72 Nunki 18:55:15.9 -26:17:49 2.0 13.64 104 PPM 234707 18:33:39.1 -14:51:14 6.1 1.49 100 PPM 234736 18:34:47.2 -13:26:05 8.4 0.22 100 PPM 234759 18:35:44.0 -13:18:50 8.8 0.14 101 04KV18 18:35:42.2 -13:27:02 16.3 101 Positions are for J2000
Event circumstances last updated at 2021/12/31 23:55:20 UT
Marc W. Buie, Southwest Research Institute