Event between 13HV156 and star GA0860:05026854 with event index number of 281021
Geocentric closest approach at 2020/07/26 23:23:19 UTC
J2000 position of star is 16:46:20.8 -03:58:19
Equinox of date position of star is 16:47:20.1 -04:00:17
Stellar brightness G=17.0,
use SENSEUP=128
Star is 45 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=22.1
TNO is 47.4 AU from the Sun
and 46.9 AU from the Earth.
The TNO is moving 14.9
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 271 seconds.
The 1-sigma cross-track error in the shadow position is
2260 km.
The TNO has an absolute magnitude Hv=5.2
Diameter=544.5 km assuming a 5% albedo -- 36.4 sec chord
Diameter=222.3 km assuming a 30% albedo -- 14.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 13HV156, (2020/07/26 23:23UT) Object RA Dec mag sep mel Antares 16:30:40.3 -26:28:33 0.9 22.82 44 13Zet Oph 16:38:17.6 -10:36:26 2.6 6.98 42 12 Oph 16:37:26.3 -02:22:01 5.8 2.99 42 PPM 199966 16:46:28.7 -04:04:34 8.5 0.25 44 PPM 199984 16:47:26.9 -04:01:49 9.6 0.02 45 13HV156 16:47:25.9 -04:00:29 17.0 45 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 13HV156, (2020/07/26 23:23UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.82 44 13Zet Oph 16:37:09.6 -10:34:01 2.6 6.98 42 12 Oph 16:36:22.0 -02:19:34 5.8 2.99 42 PPM 199966 16:45:23.6 -04:02:23 8.5 0.25 44 PPM 199984 16:46:21.8 -03:59:40 9.6 0.02 45 13HV156 16:46:20.8 -03:58:19 17.0 45 Positions are for J2000
Event circumstances last updated at 2018/09/21 18:02:27 UT
Marc W. Buie, Southwest Research Institute