Event between 04VY130 and star GA1040:01290660 with event index number of 2568453
Geocentric closest approach at 2022/11/25 19:43:39 UTC
J2000 position of star is 05:55:02.5 +15:52:50
Equinox of date position of star is 05:56:21.1 +15:52:59
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=22.9
TNO is 30.4 AU from the Sun
and 29.6 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 605 seconds.
The 1-sigma cross-track error in the shadow position is
1848 km.
The TNO has an absolute magnitude Hv=8.0
Diameter=152.8 km assuming a 5% albedo -- 7.1 sec chord
Diameter=62.4 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 3:2E
Star training set for 04VY130, (2022/11/25 19:44UT) Object RA Dec mag sep mel Betelgeuse 05:56:24.7 +07:24:34 0.4 8.47 160 Alhena 06:39:02.1 +16:22:40 1.9 10.26 165 137 Tau 05:53:40.4 +14:10:32 5.5 1.83 167 PPM 121573 05:55:56.2 +15:30:37 8.1 0.39 168 PPM 121561 05:55:24.2 +15:52:56 10.0 0.23 169 04VY130 05:56:21.6 +15:52:59 15.4 169 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 04VY130, (2022/11/25 19:44UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.47 160 Alhena 06:37:42.8 +16:23:57 1.9 10.26 165 137 Tau 05:52:22.2 +14:10:18 5.5 1.83 167 PPM 121573 05:54:37.3 +15:30:27 8.1 0.39 168 PPM 121561 05:54:05.1 +15:52:45 10.0 0.23 169 04VY130 05:55:02.5 +15:52:50 15.4 169 Positions are for J2000
Event circumstances last updated at 2022/10/01 04:16:41 UT
Marc W. Buie, Southwest Research Institute