Event between (470308) 07JH43 and star GA0620:13509971 with event index number of 2219876
Geocentric closest approach at 2025/05/22 05:51:48 UTC
J2000 position of star is 17:07:59.1 -27:22:37
Equinox of date position of star is 17:09:30.7 -27:24:25
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 95 degrees from the moon.
Moon is 31% illuminated.
Apparent brightness V=20.9
Object is 40.5 AU from the Sun
and 39.6 AU from the Earth.
Apparent velocity is 23.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is
1716 km.
The object has an absolute magnitude Hv=4.8
Diameter=758.6 km assuming a 5% albedo -- 27.6 sec chord
Diameter=309.7 km assuming a 30% albedo -- 11.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 470308, (2025/05/22 05:52UT) Object RA Dec mag sep mel Antares 16:30:58.1 -26:29:10 0.9 8.65 104 23Tau Sco 16:37:28.0 -28:15:59 2.8 7.15 102 PPM 266416 17:08:27.8 -26:32:42 6.3 0.90 96 PPM 266463 17:10:22.8 -27:40:16 8.4 0.32 95 PPM 266468 17:10:41.0 -27:25:42 9.0 0.25 95 470308 17:09:34.3 -27:24:29 16.8 95 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 470308, (2025/05/22 05:52UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.65 104 23Tau Sco 16:35:52.9 -28:12:58 2.8 7.15 102 PPM 266416 17:06:53.2 -26:30:47 6.3 0.90 96 PPM 266463 17:08:47.4 -27:38:25 8.4 0.32 95 PPM 266468 17:09:05.7 -27:23:51 9.0 0.25 95 470308 17:07:59.1 -27:22:37 16.8 95 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:50:33 UT
Marc W. Buie, Southwest Research Institute