Event between 13JD65 and star GA0780:05425784 with event index number of 1565953
Geocentric closest approach at 2020/05/09 20:15:43 UTC
J2000 position of star is 16:41:05.4 -11:32:42
Equinox of date position of star is 16:42:12.7 -11:34:58
Stellar brightness G=15.1,
use SENSEUP=128
Star is 15 degrees from the moon.
Moon is 92% illuminated.
TNO apparent brightness V=25.5
TNO is 35.7 AU from the Sun
and 34.8 AU from the Earth.
The TNO is moving 22.4
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is
1647 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=131.8 km assuming a 5% albedo -- 2.7 sec chord
Diameter=53.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 3:2E
Star training set for 13JD65, (2020/05/09 20:16UT) Object RA Dec mag sep mel Antares 16:30:39.5 -26:28:32 0.9 15.14 13 13Zet Oph 16:38:16.9 -10:36:24 2.6 1.37 17 20 Oph 16:50:57.7 -10:49:03 4.6 2.28 15 PPM 232014 16:42:15.8 -11:52:36 7.4 0.29 15 PPM 231990 16:41:15.6 -11:43:08 9.5 0.27 15 13JD65 16:42:13.2 -11:34:59 15.1 15 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 13JD65, (2020/05/09 20:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.14 13 13Zet Oph 16:37:09.6 -10:34:01 2.6 1.37 17 20 Oph 16:49:50.2 -10:47:01 4.6 2.28 15 PPM 232014 16:41:07.8 -11:50:19 7.4 0.29 15 PPM 231990 16:40:07.7 -11:40:50 9.5 0.27 15 13JD65 16:41:05.4 -11:32:42 15.1 15 Positions are for J2000
Event circumstances last updated at 2020/03/10 21:25:27 UT
Marc W. Buie, Southwest Research Institute