Event between 13FN28 and star GA0720:04981517 with event index number of 359708
Geocentric closest approach at 2020/03/01 02:20:50 UTC
J2000 position of star is 13:14:54.8 -17:32:26
Equinox of date position of star is 13:15:58.4 -17:38:41
Stellar brightness G=14.1,
use SENSEUP=64
Star is 150 degrees from the moon.
Moon is 33% illuminated.
TNO apparent brightness V=21.5
TNO is 20.5 AU from the Sun
and 19.7 AU from the Earth.
The TNO is moving 14.2
km/sec on the sky relative to the star, or,
3.6 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
910 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=129.4 km assuming a 5% albedo -- 9.1 sec chord
Diameter=52.8 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
Star training set for 13FN28, (2020/03/01 02:21UT) Object RA Dec mag sep mel Spica 13:26:15.5 -11:15:57 1.0 6.85 152 61 Vir 13:19:27.9 -18:25:22 4.7 1.13 151 PPM 226981 13:15:14.2 -16:39:57 8.2 1.00 150 PPM 227014 13:16:25.4 -17:34:40 9.0 0.12 150 13FN28 13:15:59.6 -17:38:49 14.1 150 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 13FN28, (2020/03/01 02:21UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.85 152 61 Vir 13:18:22.8 -18:19:02 4.7 1.13 151 PPM 226981 13:14:09.6 -16:33:34 8.2 1.00 150 PPM 227014 13:15:20.6 -17:28:18 9.0 0.12 150 13FN28 13:14:54.8 -17:32:26 14.1 150 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:11:45 UT
Marc W. Buie, Southwest Research Institute