Event between 17OF69 and star GA0840:19016448 with event index number of 347999
Geocentric closest approach at 2019/10/01 15:27:15 UTC
J2000 position of star is 20:11:42.4 -05:53:13
Equinox of date position of star is 20:12:44.4 -05:49:40
Stellar brightness G=15.9,
use SENSEUP=128
Star is 75 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=20.9
TNO is 43.6 AU from the Sun
and 43.1 AU from the Earth.
The TNO is moving 10.5
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 192 seconds.
The 1-sigma cross-track error in the shadow position is
1720 km.
The TNO has an absolute magnitude Hv=4.4
Diameter=787.1 km assuming a 5% albedo -- 75.0 sec chord
Diameter=321.3 km assuming a 30% albedo -- 30.6 sec chord
Dynamical classification is 3:2E
Star training set for 17OF69, (2019/10/01 15:27UT) Object RA Dec mag sep mel Fomalhaut 22:58:44.3 -29:31:02 1.2 45.70 106 Tarazed 19:47:11.9 +10:39:45 2.7 17.67 73 PPM 203645 20:07:14.6 -04:01:15 6.2 2.27 74 PPM 203731 20:12:09.1 -06:01:41 7.0 0.25 75 PPM 203754 20:13:02.9 -05:46:29 9.5 0.09 75 17OF69 20:12:45.4 -05:49:37 15.9 75 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 17OF69, (2019/10/01 15:27UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 45.70 106 Tarazed 19:46:15.6 +10:36:48 2.7 17.67 73 PPM 203645 20:06:12.3 -04:04:43 6.2 2.27 74 PPM 203731 20:11:06.0 -06:05:16 7.0 0.25 75 PPM 203754 20:11:59.9 -05:50:05 9.5 0.09 75 17OF69 20:11:42.4 -05:53:13 15.9 75 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:42:10 UT
Marc W. Buie, Southwest Research Institute