Event between 98WG24 and star GA1120:02626108 with event index number of 178293
Geocentric closest approach at 2019/02/01 20:07:28 UTC
J2000 position of star is 07:04:13.9 +23:17:23
Equinox of date position of star is 07:05:23.1 +23:15:36
Stellar brightness G=14.7,
use SENSEUP=128
Star is 175 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=22.8
TNO is 40.0 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 21.9
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 198 seconds.
The 1-sigma cross-track error in the shadow position is
1447 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=276.7 km assuming a 5% albedo -- 12.6 sec chord
Diameter=113.0 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 98WG24, (2019/02/01 20:07UT) Object RA Dec mag sep mel Pollux 07:46:28.9 +27:58:43 1.1 10.39 164 Alhena 06:38:48.9 +16:22:53 1.9 9.29 175 44 Gem 07:06:27.2 +22:36:26 5.9 0.70 174 PPM 096879 07:01:49.8 +23:24:43 7.2 0.83 175 PPM 097019 07:06:55.5 +23:14:41 8.8 0.35 174 PPM 096954 07:04:32.9 +23:08:12 10.8 0.23 175 98WG24 07:05:23.2 +23:15:36 14.7 174 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 98WG24, (2019/02/01 20:07UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 10.39 164 Alhena 06:37:42.8 +16:23:57 1.9 9.29 175 44 Gem 07:05:18.4 +22:38:15 5.9 0.70 174 PPM 096879 07:00:40.4 +23:26:24 7.2 0.83 175 PPM 097019 07:05:46.3 +23:16:30 8.8 0.35 174 PPM 096954 07:03:23.7 +23:09:57 10.8 0.23 175 98WG24 07:04:13.9 +23:17:23 14.7 175 Positions are for J2000
Event circumstances last updated at 2019/01/31 17:59:35 UT
Marc W. Buie, Southwest Research Institute