Event between 13JK64 and star GA0720:06847559 with event index number of 359301
Geocentric closest approach at 2020/02/21 20:34:45 UTC
J2000 position of star is 16:56:50.4 -17:33:57
Equinox of date position of star is 16:57:59.3 -17:35:44
Stellar brightness G=12.1,
use SENSEUP=16
Star is 58 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=23.5
TNO is 34.1 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 12.8
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 176 seconds.
The 1-sigma cross-track error in the shadow position is
1383 km.
The TNO has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 11.6 sec chord
Diameter=60.9 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is 5:2EEE
Star training set for 13JK64, (2020/02/21 20:35UT) Object RA Dec mag sep mel Antares 16:30:38.7 -26:28:30 0.9 10.90 63 35Eta Oph 17:11:32.1 -15:44:54 2.6 3.73 56 PPM 232348 16:57:11.7 -16:50:12 6.3 0.78 59 PPM 232370 16:58:18.4 -17:51:02 8.3 0.26 58 PPM 232362 16:58:03.2 -17:41:49 9.6 0.10 58 13JK64 16:58:00.5 -17:35:46 12.1 58 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 13JK64, (2020/02/21 20:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.90 63 35Eta Oph 17:10:22.7 -15:43:29 2.6 3.73 56 PPM 232348 16:56:02.0 -16:48:22 6.3 0.78 59 PPM 232370 16:57:08.1 -17:49:13 8.3 0.26 58 PPM 232362 16:56:53.0 -17:40:00 9.6 0.10 58 13JK64 16:56:50.4 -17:33:57 12.1 58 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:10:36 UT
Marc W. Buie, Southwest Research Institute