Event between 04VM131 and star GA1020:01321746 with event index number of 283993
Geocentric closest approach at 2020/08/28 05:32:31 UTC
J2000 position of star is 06:01:29.0 +13:54:17
Equinox of date position of star is 06:02:37.7 +13:54:13
Stellar brightness G=15.1,
use SENSEUP=128
Star is 168 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=25.4
TNO is 33.4 AU from the Sun
and 33.8 AU from the Earth.
The TNO is moving 18.1
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 648 seconds.
The 1-sigma cross-track error in the shadow position is
3955 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=115.3 km assuming a 5% albedo -- 3.3 sec chord
Diameter=47.1 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2020/08/28 05:33UT) Object RA Dec mag sep mel Betelgeuse 05:56:17.5 +07:24:33 0.4 6.68 161 Alhena 06:38:54.3 +16:22:48 1.9 9.09 172 137 Tau 05:53:32.7 +14:10:31 5.5 2.23 167 PPM 121707 06:00:32.7 +13:44:06 7.9 0.54 167 PPM 121780 06:02:51.7 +13:32:04 8.7 0.37 168 04VM131 06:02:39.3 +13:54:13 15.1 168 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, (2020/08/28 05:33UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 6.68 161 Alhena 06:37:42.8 +16:23:57 1.9 9.09 172 137 Tau 05:52:22.2 +14:10:18 5.5 2.23 167 PPM 121707 05:59:22.5 +13:44:06 7.9 0.54 167 PPM 121780 06:01:41.5 +13:32:09 8.7 0.37 168 04VM131 06:01:29.0 +13:54:17 15.1 168 Positions are for J2000
Event circumstances last updated at 2020/03/08 20:44:47 UT
Marc W. Buie, Southwest Research Institute