Event between 04VM131 and star GA1040:01016781 with event index number of 174654
Geocentric closest approach at 2019/01/09 23:53:56 UTC
J2000 position of star is 05:38:57.9 +14:01:21
Equinox of date position of star is 05:40:02.4 +14:01:55
Stellar brightness G=14.0,
use SENSEUP=64
Star is 112 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=23.7
TNO is 32.2 AU from the Sun
and 31.3 AU from the Earth.
The TNO is moving 22.2
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 365 seconds.
The 1-sigma cross-track error in the shadow position is
1615 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=115.3 km assuming a 5% albedo -- 5.2 sec chord
Diameter=47.1 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 04VM131, (2019/01/09 23:54UT) Object RA Dec mag sep mel Betelgeuse 05:56:12.1 +07:24:33 0.4 7.72 115 Bellatrix 05:26:09.1 +06:21:55 1.6 8.39 107 35 Ori 05:34:59.2 +14:19:02 5.6 1.26 111 PPM 121221 05:40:12.6 +14:33:58 7.5 0.54 112 PPM 121194 05:38:32.6 +14:02:58 9.5 0.36 112 PPM 121214 05:39:52.2 +13:51:30 10.2 0.18 112 04VM131 05:40:02.7 +14:01:55 14.0 112 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, (2019/01/09 23:54UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.72 115 Bellatrix 05:25:07.8 +06:20:58 1.6 8.39 107 35 Ori 05:33:54.3 +14:18:20 5.6 1.26 111 PPM 121221 05:39:07.6 +14:33:24 7.5 0.54 112 PPM 121194 05:37:27.7 +14:02:22 9.5 0.36 112 PPM 121214 05:38:47.4 +13:50:56 10.2 0.18 112 04VM131 05:38:57.9 +14:01:21 14.0 112 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:07:41 UT
Marc W. Buie, Southwest Research Institute