Event between 13SJ106 and star GA0900:00056959 with event index number of 2464451
Geocentric closest approach at 2021/12/05 00:42:32 UTC
J2000 position of star is 00:38:48.9 +01:26:49
Equinox of date position of star is 00:39:55.9 +01:33:59
Stellar brightness G=13.3,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=23.1
TNO is 43.7 AU from the Sun
and 43.3 AU from the Earth.
The TNO is moving 8.9
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 326 seconds.
The 1-sigma cross-track error in the shadow position is
2614 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=242.1 km assuming a 5% albedo -- 32.7 sec chord
Diameter=98.8 km assuming a 30% albedo -- 13.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 13SJ106, (2021/12/05 00:43UT) Object RA Dec mag sep mel Fomalhaut 22:58:51.5 -29:30:20 1.2 39.35 71 Algenib 00:14:22.1 +15:18:19 2.8 15.12 106 PPM 143688 00:38:38.3 +03:15:19 6.4 1.72 107 PPM 143773 00:42:41.5 +01:52:05 7.7 0.75 107 PPM 143723 00:39:32.9 +01:23:53 8.7 0.20 106 PPM 143719 00:39:30.3 +01:37:09 11.3 0.12 106 13SJ106 00:39:56.4 +01:34:02 13.3 107 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 13SJ106, (2021/12/05 00:43UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 39.35 71 Algenib 00:13:14.2 +15:11:01 2.8 15.12 106 PPM 143688 00:37:30.6 +03:08:06 6.4 1.72 107 PPM 143773 00:41:33.9 +01:44:53 7.7 0.75 107 PPM 143723 00:38:25.4 +01:16:40 8.7 0.20 106 PPM 143719 00:38:22.7 +01:29:56 11.3 0.12 106 13SJ106 00:38:48.9 +01:26:49 13.3 106 Positions are for J2000
Event circumstances last updated at 2021/10/05 01:11:48 UT
Marc W. Buie, Southwest Research Institute