Event between (143991) 03YO179 and star GA1200:02049265 with event index number of 1639205
Geocentric closest approach at 2020/02/13 13:49:32 UTC
J2000 position of star is 05:53:31.3 +31:20:23
Equinox of date position of star is 05:54:47.8 +31:20:34
Stellar brightness G=16.2,
use SENSEUP=128
Star is 114 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=22.0
TNO is 39.7 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 12.8
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 497 seconds.
The 1-sigma cross-track error in the shadow position is
3588 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 31.1 sec chord
Diameter=162.5 km assuming a 30% albedo -- 12.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 143991, (2020/02/13 13:50UT) Object RA Dec mag sep mel Aldebaran 04:37:04.6 +16:32:53 0.8 23.05 134 Alnath 05:27:33.9 +28:37:21 1.6 6.50 120 PPM 071002 05:56:17.4 +31:42:10 5.9 0.48 113 PPM 070931 05:53:01.5 +30:57:40 7.7 0.54 114 PPM 070966 05:54:39.5 +31:29:25 9.7 0.15 114 143991 05:54:49.5 +31:20:34 16.2 114 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 143991, (2020/02/13 13:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 23.05 134 Alnath 05:26:17.5 +28:36:23 1.6 6.50 120 PPM 071002 05:54:58.9 +31:42:02 5.9 0.48 113 PPM 070931 05:51:43.5 +30:57:26 7.7 0.54 114 PPM 070966 05:53:21.2 +31:29:14 9.7 0.15 114 143991 05:53:31.3 +31:20:23 16.2 114 Positions are for J2000
Event circumstances last updated at 2019/09/01 22:24:11 UT
Marc W. Buie, Southwest Research Institute