Event between 15RC277 and star GA0940:00105927 with event index number of 1980987
Geocentric closest approach at 2023/02/07 13:27:55 UTC
J2000 position of star is 01:11:21.4 +05:17:18
Equinox of date position of star is 01:12:33.1 +05:24:37
Stellar brightness G=12.4,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 97% illuminated.
Apparent brightness V=24.4
Object is 41.6 AU from the Sun
and 42.1 AU from the Earth.
Apparent velocity is 19.2
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 345 seconds.
The 1-sigma cross-track error in the shadow position is
2497 km.
The object has an absolute magnitude Hv=8.0
Diameter=154.2 km assuming a 5% albedo -- 8.0 sec chord
Diameter=62.9 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 15RC277, (2023/02/07 13:28UT) Object RA Dec mag sep mel Fomalhaut 22:58:55.3 -29:29:57 1.2 47.40 163 Algenib 00:14:25.7 +15:18:43 2.8 17.37 145 80 Psc 01:09:33.8 +05:46:17 5.5 0.83 140 PPM 144383 01:15:03.7 +05:15:49 7.8 0.64 139 PPM 144363 01:13:43.1 +05:53:53 9.8 0.57 139 PPM 144342 01:11:58.3 +05:28:43 11.1 0.16 140 15RC277 01:12:33.3 +05:24:39 12.4 139 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 15RC277, (2023/02/07 13:28UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 47.40 163 Algenib 00:13:14.2 +15:11:01 2.8 17.37 145 80 Psc 01:08:21.8 +05:38:55 5.5 0.83 140 PPM 144383 01:13:51.7 +05:08:30 7.8 0.64 139 PPM 144363 01:12:31.1 +05:46:34 9.8 0.57 139 PPM 144342 01:10:46.3 +05:21:22 11.1 0.16 140 15RC277 01:11:21.4 +05:17:18 12.4 140 Positions are for J2000
Event circumstances last updated at 2023/01/08 03:30:06 UT
Marc W. Buie, Southwest Research Institute