Event between 13RJ109 and star GA0900:00040782 with event index number of 2463415
Geocentric closest approach at 2027/08/19 23:43:58 UTC
J2000 position of star is 00:27:38.7 +01:31:55
Equinox of date position of star is 00:28:52.9 +01:39:54
Stellar brightness G=12.5,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 12 degrees from the moon.
Moon is 93% illuminated.
Apparent brightness V=23.1
Object is 40.7 AU from the Sun
and 39.9 AU from the Earth.
Apparent velocity is 18.2
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 401 seconds.
The 1-sigma cross-track error in the shadow position is
4185 km.
The object has an absolute magnitude Hv=6.9
Diameter=266.7 km assuming a 5% albedo -- 13.7 sec chord
Diameter=108.9 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 13RJ109, (2027/08/19 23:43UT) Object RA Dec mag sep mel Fomalhaut 22:59:10.1 -29:28:30 1.2 37.85 33 Algenib 00:14:39.7 +15:20:13 2.8 14.11 15 44 Psc 00:26:49.3 +02:05:33 5.8 0.69 11 PPM 143490 00:27:22.4 +02:06:08 8.5 0.59 11 PPM 143524 00:28:51.0 +01:33:04 10.0 0.14 12 13RJ109 00:29:03.8 +01:41:05 12.5 12 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 13RJ109, (2027/08/19 23:43UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 37.85 33 Algenib 00:13:14.2 +15:11:01 2.8 14.11 15 44 Psc 00:25:24.2 +01:56:22 5.8 0.69 11 PPM 143490 00:25:57.3 +01:56:58 8.5 0.59 11 PPM 143524 00:27:25.9 +01:23:54 10.0 0.14 12 13RJ109 00:27:38.7 +01:31:55 12.5 12 Positions are for J2000
Event circumstances last updated at 2024/01/30 03:33:08 UT
Marc W. Buie, Southwest Research Institute