Event between (506479) 03HB57 and star GA0800:04689239 with event index number of 317427
Geocentric closest approach at 2019/09/06 17:27:22 UTC
J2000 position of star is 15:09:15.3 -09:20:14
Equinox of date position of star is 15:10:18.2 -09:24:37
Stellar brightness G=16.2,
use SENSEUP=128
Star is 34 degrees from the moon.
Moon is 56% illuminated.
TNO apparent brightness V=23.5
TNO is 39.2 AU from the Sun
and 39.7 AU from the Earth.
The TNO is moving 19.6
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 263 seconds.
The 1-sigma cross-track error in the shadow position is
1650 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=199.5 km assuming a 5% albedo -- 10.2 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 506479, (2019/09/06 17:27UT) Object RA Dec mag sep mel Antares 16:30:37.0 -26:28:26 0.9 25.53 13 27Bet Lib 15:18:04.1 -09:27:16 2.6 1.91 32 19Del Lib 15:02:01.6 -08:35:45 4.9 2.20 36 PPM 198250 15:08:13.3 -09:00:12 7.9 0.66 34 PPM 198277 15:09:47.2 -09:34:48 9.5 0.21 34 506479 15:10:19.0 -09:24:40 16.2 34 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 506479, (2019/09/06 17:27UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.53 13 27Bet Lib 15:17:00.3 -09:22:59 2.6 1.91 32 19Del Lib 15:00:58.3 -08:31:08 4.9 2.20 36 PPM 198250 15:07:09.7 -08:55:43 7.9 0.66 34 PPM 198277 15:08:43.4 -09:30:21 9.5 0.21 34 506479 15:09:15.3 -09:20:14 16.2 34 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:38:28 UT
Marc W. Buie, Southwest Research Institute