Event between (523700) 14GM54 and star GA1020:18340326 with event index number of 2090117
Geocentric closest approach at 2027/07/30 12:25:45 UTC
J2000 position of star is 20:39:23.4 +13:07:30
Equinox of date position of star is 20:40:28.3 +13:12:25
Stellar brightness G=11.5,
use SENSEUP=8 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=22.0
TNO is 29.6 AU from the Sun
and 28.8 AU from the Earth.
The TNO is moving 25.2
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 118 seconds.
The 1-sigma cross-track error in the shadow position is
2225 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=229.1 km assuming a 5% albedo -- 8.9 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523700, (2027/07/30 12:26UT) Object RA Dec mag sep mel Deneb 20:42:22.4 +45:22:48 1.3 32.16 97 Tarazed 19:47:34.2 +10:40:56 2.7 13.24 132 3Eta Del 20:35:15.2 +13:07:23 5.5 1.33 122 PPM 138801 20:41:11.2 +13:24:16 8.2 0.22 121 PPM 138798 20:41:08.9 +13:15:46 8.8 0.12 121 523700 20:40:41.6 +13:13:25 11.5 121 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 523700, (2027/07/30 12:26UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 32.16 97 Tarazed 19:46:15.6 +10:36:48 2.7 13.24 132 3Eta Del 20:33:57.1 +13:01:38 5.5 1.33 122 PPM 138801 20:39:53.1 +13:18:20 8.2 0.22 121 PPM 138798 20:39:50.7 +13:09:50 8.8 0.12 121 523700 20:39:23.4 +13:07:30 11.5 121 Positions are for J2000
Event circumstances last updated at 2022/11/22 03:13:15 UT
Marc W. Buie, Southwest Research Institute