Event between (307251) 02KW14 and star GA0620:19799451 with event index number of 2297035
Geocentric closest approach at 2026/07/16 15:24:34 UTC
J2000 position of star is 17:35:43.0 -27:38:13
Equinox of date position of star is 17:37:15.3 -27:39:03
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 120 degrees from the moon.
Moon is 7% illuminated.
Apparent brightness V=21.9
Object is 43.7 AU from the Sun
and 42.8 AU from the Earth.
Apparent velocity is 21.0
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 895 seconds.
The 1-sigma cross-track error in the shadow position is
5030 km.
The object has an absolute magnitude Hv=5.5
Diameter=457.1 km assuming a 5% albedo -- 22.6 sec chord
Diameter=186.6 km assuming a 30% albedo -- 9.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 307251, (2026/07/16 15:25UT) Object RA Dec mag sep mel Antares 16:31:02.3 -26:29:19 0.9 14.80 105 34Ups Sco 17:32:34.3 -37:18:51 2.7 9.72 118 PPM 266967 17:33:23.4 -26:17:15 6.3 1.63 119 PPM 267033 17:36:50.9 -28:13:09 8.5 0.58 120 PPM 267038 17:37:05.9 -27:22:47 9.7 0.28 120 307251 17:37:23.1 -27:39:07 16.3 120 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 307251, (2026/07/16 15:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.80 105 34Ups Sco 17:30:45.8 -37:17:46 2.7 9.72 118 PPM 266967 17:31:44.4 -26:16:11 6.3 1.63 119 PPM 267033 17:35:10.4 -28:12:13 8.5 0.58 120 PPM 267038 17:35:26.1 -27:21:52 9.7 0.28 120 307251 17:35:43.0 -27:38:13 16.3 120 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:31:56 UT
Marc W. Buie, Southwest Research Institute