Event between 13RJ158 and star GA0900:16422546 with event index number of 2713637
Geocentric closest approach at 2022/09/28 15:37:29 UTC
J2000 position of star is 22:35:16.5 +01:03:56
Equinox of date position of star is 22:36:23.4 +01:10:45
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=23.1
TNO is 41.4 AU from the Sun
and 40.5 AU from the Earth.
The TNO is moving 22.0
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 336 seconds.
The 1-sigma cross-track error in the shadow position is
5869 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 11.4 sec chord
Diameter=102.6 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 13RJ158, (2022/09/28 15:37UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.1 -29:30:04 1.2 31.15 113 Markab 23:05:53.7 +15:19:41 2.5 15.90 131 62Eta Aqr 22:36:31.5 +00:00:01 4.0 1.18 121 PPM 173199 22:35:45.7 +00:42:46 8.2 0.50 121 PPM 173230 22:37:26.4 +01:12:12 10.0 0.25 121 13RJ158 22:36:26.2 +01:11:02 15.6 121 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 13RJ158, (2022/09/28 15:37UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.15 113 Markab 23:04:45.8 +15:12:18 2.5 15.90 131 62Eta Aqr 22:35:21.5 -00:07:04 4.0 1.18 121 PPM 173199 22:34:35.9 +00:35:41 8.2 0.50 121 PPM 173230 22:36:16.7 +01:05:06 10.0 0.25 121 13RJ158 22:35:16.5 +01:03:56 15.6 121 Positions are for J2000
Event circumstances last updated at 2021/11/02 00:53:32 UT
Marc W. Buie, Southwest Research Institute