Event between (523711) 14JH80 and star GA0960:16991712 with event index number of 2619910
Geocentric closest approach at 2027/12/12 18:06:51 UTC
J2000 position of star is 21:24:43.3 +07:40:38
Equinox of date position of star is 21:25:51.1 +07:46:37
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 100 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.4
TNO is 34.0 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 17.6
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is
3349 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=244.4 km assuming a 5% albedo -- 14.1 sec chord
Diameter=99.8 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 523711, (2027/12/12 18:05UT) Object RA Dec mag sep mel Vega 18:37:53.0 +38:48:39 0.0 48.83 108 Tarazed 19:47:35.3 +10:41:00 2.7 24.47 119 10Bet Equ 21:24:16.8 +06:55:55 5.3 0.98 100 9 Equ 21:22:27.7 +07:28:28 7.5 0.96 101 PPM 171710 21:25:49.1 +07:46:59 9.6 0.07 100 523711 21:26:06.0 +07:47:56 16.4 99 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 523711, (2027/12/12 18:05UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 48.83 108 Tarazed 19:46:15.6 +10:36:48 2.7 24.47 119 10Bet Equ 21:22:53.7 +06:48:40 5.3 0.98 100 9 Equ 21:21:04.9 +07:21:16 7.5 0.96 101 PPM 171710 21:24:26.3 +07:39:42 9.6 0.07 100 523711 21:24:43.3 +07:40:38 16.4 100 Positions are for J2000
Event circumstances last updated at 2022/11/25 02:58:11 UT
Marc W. Buie, Southwest Research Institute