Event between 14LN28 and star TYC25770-00373-1 with event index number of 138750
Geocentric closest approach at 2017/10/19 19:17:48 UTC
J2000 position of star is 21:02:31.3 -08:56:21
Equinox of date position of star is 21:03:28.2 -08:52:07
Stellar brightness V=12.0,
use SENSEUP=16
Star is 108 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=21.0
TNO is 17.6 AU from the Sun
and 17.3 AU from the Earth.
The TNO is moving 4.5
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 295 seconds.
The 1-sigma cross-track error in the shadow position is
2967 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=134.3 km assuming a 5% albedo -- 30.0 sec chord
Diameter=54.8 km assuming a 30% albedo -- 12.3 sec chord
Dynamical classification is CENTAURR
Star training set for 14LN28, (2017/10/19 19:18UT) Object RA Dec mag sep mel Fomalhaut 22:58:37.8 -29:31:39 1.2 33.96 126 Tarazed 19:47:06.3 +10:39:28 2.7 27.24 91 PPM 204905 21:11:44.4 -09:16:51 6.5 2.08 110 PPM 204740 21:03:26.4 -09:22:37 7.7 0.51 108 PPM 204756 21:04:27.5 -08:30:41 8.9 0.43 108 14LN28 21:03:28.6 -08:52:05 12.0 108 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 14LN28, (2017/10/19 19:18UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 33.96 126 Tarazed 19:46:15.6 +10:36:48 2.7 27.24 91 PPM 204905 21:10:47.1 -09:21:16 6.5 2.08 110 PPM 204740 21:02:28.9 -09:26:52 7.7 0.51 108 PPM 204756 21:03:30.3 -08:34:58 8.9 0.43 108 14LN28 21:02:31.3 -08:56:21 12.0 108 Positions are for J2000
Event circumstances last updated at 2017/09/01 16:57:22 UT
Marc W. Buie, Southwest Research Institute