Event between (500879) 13JH64 and star GA0720:06117016 with event index number of 2454041
Geocentric closest approach at 2024/09/22 10:32:12 UTC
J2000 position of star is 16:23:43.5 -17:14:35
Equinox of date position of star is 16:25:07.9 -17:17:53
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 75% illuminated.
Apparent brightness V=23.3
Object is 54.6 AU from the Sun
and 55.0 AU from the Earth.
Apparent velocity is 15.9
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 353 seconds.
The 1-sigma cross-track error in the shadow position is
3036 km.
The object has an absolute magnitude Hv=5.8
Diameter=409.3 km assuming a 5% albedo -- 25.8 sec chord
Diameter=167.1 km assuming a 30% albedo -- 10.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 500879, (2024/09/22 10:32UT) Object RA Dec mag sep mel Antares 16:30:55.7 -26:29:05 0.9 9.28 170 8Bet1Sco 16:06:52.7 -19:52:16 2.6 5.04 174 7Chi Oph 16:28:27.6 -18:30:37 4.1 1.45 169 PPM 231620 16:24:18.9 -17:04:31 7.3 0.30 169 PPM 231628 16:24:38.6 -17:27:42 9.9 0.20 169 500879 16:25:08.9 -17:17:55 16.9 169 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 500879, (2024/09/22 10:32UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.28 170 8Bet1Sco 16:05:26.2 -19:48:20 2.6 5.04 174 7Chi Oph 16:27:01.4 -18:27:23 4.1 1.45 169 PPM 231620 16:22:53.6 -17:01:09 7.3 0.30 169 PPM 231628 16:23:13.1 -17:24:21 9.9 0.20 169 500879 16:23:43.5 -17:14:35 16.9 169 Positions are for J2000
Event circumstances last updated at 2024/06/11 03:50:38 UT
Marc W. Buie, Southwest Research Institute