Event between (438028) 04EH96 and star GA0700:05771658 with event index number of 1493761
Geocentric closest approach at 2026/05/07 15:06:31 UTC
J2000 position of star is 15:26:12.2 -18:19:19
Equinox of date position of star is 15:27:35.9 -18:24:22
Stellar brightness G=12.7,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 58 degrees from the moon.
Moon is 71% illuminated.
Apparent brightness V=23.1
Object is 32.7 AU from the Sun
and 31.7 AU from the Earth.
Apparent velocity is 23.8
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 928 seconds.
The 1-sigma cross-track error in the shadow position is
5668 km.
The object has an absolute magnitude Hv=8.0
Diameter=158.5 km assuming a 5% albedo -- 6.3 sec chord
Diameter=64.7 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is 3:2E
Star training set for 438028, (2026/05/07 15:07UT) Object RA Dec mag sep mel Antares 16:31:01.6 -26:29:17 0.9 16.69 42 7Del Sco 16:01:53.8 -22:41:40 2.3 9.07 49 28 Lib 15:22:23.6 -18:15:08 6.4 1.27 59 PPM 230293 15:30:13.7 -18:48:47 8.3 0.72 57 PPM 230238 15:27:37.3 -18:26:01 9.6 0.03 58 438028 15:27:42.4 -18:24:46 12.7 58 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 438028, (2026/05/07 15:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.69 42 7Del Sco 16:00:20.0 -22:37:18 2.3 9.07 49 28 Lib 15:20:53.7 -18:09:32 6.4 1.27 59 PPM 230293 15:28:43.2 -18:43:25 8.3 0.72 57 PPM 230238 15:26:07.1 -18:20:34 9.6 0.03 58 438028 15:26:12.2 -18:19:19 12.7 58 Positions are for J2000
Event circumstances last updated at 2024/06/18 21:26:36 UT
Marc W. Buie, Southwest Research Institute