Event between (523695) 14GS53 and star GA0860:04518249 with event index number of 307939
Geocentric closest approach at 2020/04/17 01:09:45 UTC
J2000 position of star is 15:23:35.0 -02:34:07
Equinox of date position of star is 15:24:36.7 -02:38:17
Stellar brightness G=15.4,
use SENSEUP=128
Star is 93 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=21.9
TNO is 35.0 AU from the Sun
and 34.1 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
1318 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=316.2 km assuming a 5% albedo -- 14.0 sec chord
Diameter=129.1 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523695, (2020/04/17 01:10UT) Object RA Dec mag sep mel Arcturus 14:16:35.3 +19:04:40 0.0 27.41 115 27Bet Lib 15:18:06.1 -09:27:24 2.6 7.01 92 8 Ser 15:24:46.6 -01:05:37 6.1 1.55 94 PPM 198537 15:24:14.4 -03:20:20 8.5 0.71 93 PPM 198511 15:23:05.2 -03:12:20 9.8 0.69 93 PPM 179558 15:24:15.1 -02:50:17 10.9 0.22 93 523695 15:24:38.3 -02:38:23 15.4 93 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 523695, (2020/04/17 01:10UT) Object RA Dec mag sep mel Arcturus 14:15:38.2 +19:10:17 0.0 27.41 115 27Bet Lib 15:17:00.3 -09:22:59 2.6 7.01 92 8 Ser 15:23:43.8 -01:01:21 6.1 1.55 94 PPM 198537 15:23:10.8 -03:16:04 8.5 0.71 93 PPM 198511 15:22:01.6 -03:08:02 9.8 0.69 93 PPM 179558 15:23:11.7 -02:46:01 10.9 0.22 93 523695 15:23:35.0 -02:34:07 15.4 93 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:16:56 UT
Marc W. Buie, Southwest Research Institute