Event between 04VM131 and star GA1020:01043784 with event index number of 238028
Geocentric closest approach at 2020/01/22 20:09:12 UTC
J2000 position of star is 05:46:16.9 +13:43:03
Equinox of date position of star is 05:47:23.0 +13:43:25
Stellar brightness G=16.0,
use SENSEUP=128
Star is 165 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=23.8
TNO is 33.0 AU from the Sun
and 32.2 AU from the Earth.
The TNO is moving 19.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 438 seconds.
The 1-sigma cross-track error in the shadow position is
2417 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=115.3 km assuming a 5% albedo -- 5.9 sec chord
Diameter=47.1 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2020/01/22 20:09UT) Object RA Dec mag sep mel Betelgeuse 05:56:15.5 +07:24:33 0.4 6.68 161 Bellatrix 05:26:12.5 +06:21:58 1.6 9.02 156 133 Tau 05:48:51.2 +13:54:20 5.0 0.39 165 PPM 121429 05:50:13.3 +14:05:44 7.9 0.78 166 133 Tau 05:48:51.2 +13:54:20 5.0 0.39 165 04VM131 05:47:25.1 +13:43:26 16.0 165 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, (2020/01/22 20:09UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 6.68 161 Bellatrix 05:25:07.8 +06:20:58 1.6 9.02 156 133 Tau 05:47:42.9 +13:53:59 5.0 0.39 165 PPM 121429 05:49:04.9 +14:05:26 7.9 0.78 166 133 Tau 05:47:42.9 +13:53:59 5.0 0.39 165 04VM131 05:46:16.9 +13:43:03 16.0 165 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:11:49 UT
Marc W. Buie, Southwest Research Institute