Event between 15RR280 and star GA0920:00093657 with event index number of 2689572
Geocentric closest approach at 2022/10/04 22:05:48 UTC
J2000 position of star is 01:03:21.2 +03:24:31
Equinox of date position of star is 01:04:28.8 +03:31:32
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 71% illuminated.
TNO apparent brightness V=24.0
TNO is 40.0 AU from the Sun
and 39.0 AU from the Earth.
The TNO is moving 25.8
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 112 seconds.
The 1-sigma cross-track error in the shadow position is
1708 km.
The TNO has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 5.8 sec chord
Diameter=60.9 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 15RR280, (2022/10/04 22:06UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.2 -29:30:04 1.2 44.68 31 Algenib 00:14:24.6 +15:18:36 2.8 17.06 64 26 Cet 01:04:59.4 +01:29:18 6.0 2.05 68 PPM 144261 01:07:16.4 +03:23:44 8.3 0.70 69 PPM 144211 01:04:36.5 +03:22:37 9.2 0.15 69 15RR280 01:04:31.6 +03:31:50 16.2 69 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 15RR280, (2022/10/04 22:06UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 44.68 31 Algenib 00:13:14.2 +15:11:01 2.8 17.06 64 26 Cet 01:03:49.2 +01:22:00 6.0 2.05 68 PPM 144261 01:06:05.9 +03:16:27 8.3 0.70 69 PPM 144211 01:03:26.1 +03:15:18 9.2 0.15 69 15RR280 01:03:21.2 +03:24:31 16.2 69 Positions are for J2000
Event circumstances last updated at 2021/11/02 00:55:57 UT
Marc W. Buie, Southwest Research Institute