Event between 04KK19 and star GA0680:07371574 with event index number of 1451075
Geocentric closest approach at 2025/09/13 18:30:01 UTC
J2000 position of star is 16:40:27.1 -21:02:23
Equinox of date position of star is 16:41:35.6 -21:04:33
Stellar brightness G=16.8,
use SENSEUP=128
Star is 174 degrees from the moon.
Moon is 58% illuminated.
TNO apparent brightness V=24.4
TNO is 47.7 AU from the Sun
and 47.9 AU from the Earth.
The TNO is moving 9.3
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 4722 seconds.
The 1-sigma cross-track error in the shadow position is
5720 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=194.1 km assuming a 5% albedo -- 20.9 sec chord
Diameter=79.2 km assuming a 30% albedo -- 8.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 04KK19, (2025/09/13 18:30UT) Object RA Dec mag sep mel Antares 16:30:59.3 -26:29:12 0.9 5.95 177 23Tau Sco 16:37:29.2 -28:16:01 2.8 7.25 179 PPM 232040 16:43:24.5 -19:58:18 5.8 1.17 172 PPM 265879 16:45:50.2 -22:34:11 7.9 1.73 175 PPM 265806 16:43:18.7 -21:15:22 9.6 0.35 174 04KK19 16:41:58.6 -21:05:17 16.8 174 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 04KK19, (2025/09/13 18:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.95 177 23Tau Sco 16:35:53.0 -28:12:58 2.8 7.25 179 PPM 232040 16:41:53.7 -19:55:27 5.8 1.17 172 PPM 265879 16:44:17.7 -22:31:25 7.9 1.73 175 PPM 265806 16:41:47.1 -21:12:32 9.6 0.35 174 04KK19 16:40:27.1 -21:02:23 16.8 174 Positions are for J2000
Event circumstances last updated at 2019/03/23 22:31:34 UT
Marc W. Buie, Southwest Research Institute