Event between (55638) 02VE95 and star GA0960:01138178 with event index number of 342807
Geocentric closest approach at 2019/04/10 00:03:20 UTC
J2000 position of star is 06:01:29.9 +07:59:19
Equinox of date position of star is 06:02:32.3 +07:59:16
Stellar brightness G=16.4,
use SENSEUP=128
Star is 20 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=20.3
TNO is 30.0 AU from the Sun
and 30.3 AU from the Earth.
The TNO is moving 16.8
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 114 seconds.
The 1-sigma cross-track error in the shadow position is
1557 km.
The TNO has an absolute magnitude Hv=5.3
Diameter=524.8 km assuming a 5% albedo -- 31.3 sec chord
Diameter=214.3 km assuming a 30% albedo -- 12.8 sec chord
Dynamical classification is 3:2E
Star training set for 55638, (2019/04/10 00:03UT) Object RA Dec mag sep mel Betelgeuse 05:56:12.9 +07:24:33 0.4 1.67 19 Bellatrix 05:26:09.9 +06:21:56 1.6 9.17 15 PPM 149639 05:55:57.3 +05:51:47 6.4 2.68 20 PPM 149761 06:01:45.3 +08:17:37 8.4 0.36 19 PPM 149814 06:03:44.4 +08:00:59 8.7 0.30 20 PPM 149780 06:02:24.4 +07:51:12 10.1 0.14 20 55638 06:02:32.8 +07:59:16 16.4 20 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 55638, (2019/04/10 00:03UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 1.67 19 Bellatrix 05:25:07.8 +06:20:58 1.6 9.17 15 PPM 149639 05:54:55.4 +05:51:39 6.4 2.68 20 PPM 149761 06:00:42.3 +08:17:39 8.4 0.36 19 PPM 149814 06:02:41.5 +08:01:04 8.7 0.30 20 PPM 149780 06:01:21.6 +07:51:15 10.1 0.14 20 55638 06:01:29.9 +07:59:19 16.4 20 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:11:58 UT
Marc W. Buie, Southwest Research Institute