Event between 13RP98 and star GA0940:16943065 with event index number of 2463594
Geocentric closest approach at 2024/07/27 19:25:17 UTC
J2000 position of star is 22:51:02.3 +04:14:46
Equinox of date position of star is 22:52:14.8 +04:22:23
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 46 degrees from the moon.
Moon is 54% illuminated.
Apparent brightness V=23.1
Object is 38.9 AU from the Sun
and 38.2 AU from the Earth.
Apparent velocity is 17.6
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 144 seconds.
The 1-sigma cross-track error in the shadow position is
1496 km.
The object has an absolute magnitude Hv=7.1
Diameter=230.2 km assuming a 5% albedo -- 13.1 sec chord
Diameter=94.0 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 13RP98, (2024/07/27 19:12UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.1 -29:29:29 1.2 33.91 60 Markab 23:05:59.2 +15:20:17 2.5 11.47 41 PPM 173590 22:58:47.9 +03:56:32 6.3 1.68 44 PPM 173487 22:51:53.2 +04:11:54 7.8 0.20 46 PPM 173502 22:52:47.1 +04:14:59 9.6 0.18 46 PPM 173497 22:52:33.1 +04:29:13 10.1 0.13 46 13RP98 22:52:17.1 +04:22:37 13.4 45 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 13RP98, (2024/07/27 19:12UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 33.91 60 Markab 23:04:45.8 +15:12:18 2.5 11.47 41 PPM 173590 22:57:32.9 +03:48:37 6.3 1.68 44 PPM 173487 22:50:38.4 +04:04:04 7.8 0.20 46 PPM 173502 22:51:32.2 +04:07:08 9.6 0.18 46 PPM 173497 22:51:18.3 +04:21:22 10.1 0.13 46 13RP98 22:51:02.3 +04:14:46 13.4 46 Positions are for J2000
Event circumstances last updated at 2023/10/27 01:52:57 UT
Marc W. Buie, Southwest Research Institute