Event between 04VM131 and star GA1020:01310716 with event index number of 1985510
Geocentric closest approach at 2022/04/14 01:45:56 UTC
J2000 position of star is 06:00:54.0 +13:22:48
Equinox of date position of star is 06:02:09.3 +13:22:45
Stellar brightness G=12.9,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 80 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=24.0
TNO is 34.6 AU from the Sun
and 35.0 AU from the Earth.
The TNO is moving 17.0
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 641 seconds.
The 1-sigma cross-track error in the shadow position is
4805 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=127.6 km assuming a 5% albedo -- 7.5 sec chord
Diameter=52.1 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2022/04/14 01:46UT) Object RA Dec mag sep mel Betelgeuse 05:56:22.7 +07:24:34 0.4 6.14 82 Alhena 06:38:59.9 +16:22:42 1.9 9.39 71 PPM 121823 06:04:39.5 +11:40:43 6.0 1.81 80 PPM 121770 06:02:44.5 +13:07:49 7.7 0.29 80 PPM 121772 06:02:45.8 +13:26:01 9.8 0.16 80 04VM131 06:02:09.6 +13:22:45 12.9 80 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 04VM131, (2022/04/14 01:46UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 6.14 82 Alhena 06:37:42.8 +16:23:57 1.9 9.39 71 PPM 121823 06:03:24.8 +11:40:51 6.0 1.81 80 PPM 121770 06:01:29.0 +13:07:53 7.7 0.29 80 PPM 121772 06:01:30.1 +13:26:05 9.8 0.16 80 04VM131 06:00:54.0 +13:22:48 12.9 80 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:12:15 UT
Marc W. Buie, Southwest Research Institute