Event between 13NL24 and star GA0780:22037806 with event index number of 357228
Geocentric closest approach at 2019/07/27 17:11:59 UTC
J2000 position of star is 22:37:36.7 -10:59:03
Equinox of date position of star is 22:38:38.2 -10:52:58
Stellar brightness G=15.3,
use SENSEUP=128
Star is 89 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=22.5
TNO is 26.7 AU from the Sun
and 25.8 AU from the Earth.
The TNO is moving 18.3
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 94 seconds.
The 1-sigma cross-track error in the shadow position is
1350 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=136.1 km assuming a 5% albedo -- 7.4 sec chord
Diameter=55.6 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is CENTAURR
Star training set for 13NL24, (2019/07/27 17:12UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.7 -29:31:05 1.2 19.22 91 70 Aqr 22:49:31.9 -10:27:06 6.2 2.71 86 PPM 240521 22:38:08.6 -11:37:45 7.7 0.76 89 PPM 240538 22:38:52.9 -10:50:33 9.7 0.07 89 13NL24 22:38:38.6 -10:52:56 15.3 89 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 13NL24, (2019/07/27 17:12UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 19.22 91 70 Aqr 22:48:30.3 -10:33:20 6.2 2.71 86 PPM 240521 22:37:06.5 -11:43:52 7.7 0.76 89 PPM 240538 22:37:51.0 -10:56:40 9.7 0.07 89 13NL24 22:37:36.7 -10:59:03 15.3 89 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:28:16 UT
Marc W. Buie, Southwest Research Institute