Event between (523711) 14JH80 and star GA0960:16995494 with event index number of 2619911
Geocentric closest approach at 2027/12/21 07:14:55 UTC
J2000 position of star is 21:25:21.9 +07:40:56
Equinox of date position of star is 21:26:29.7 +07:46:55
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 40% illuminated.
TNO apparent brightness V=22.4
TNO is 34.0 AU from the Sun
and 34.4 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is
3352 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=244.4 km assuming a 5% albedo -- 11.8 sec chord
Diameter=99.8 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 523711, (2027/12/21 07:13UT) Object RA Dec mag sep mel Vega 18:37:53.1 +38:48:39 0.0 48.94 96 Tarazed 19:47:35.3 +10:41:00 2.7 24.63 110 PPM 171790 21:29:47.6 +08:19:07 6.4 0.91 135 PPM 171799 21:30:15.7 +07:52:50 8.5 0.87 135 PPM 171710 21:25:49.2 +07:46:59 9.6 0.23 133 PPM 171736 21:27:13.9 +07:52:33 10.8 0.14 134 523711 21:26:44.7 +07:48:15 15.1 134 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, (2027/12/21 07:13UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 48.94 96 Tarazed 19:46:15.6 +10:36:48 2.7 24.63 110 PPM 171790 21:28:24.9 +08:11:44 6.4 0.91 135 PPM 171799 21:28:52.8 +07:45:25 8.5 0.87 135 PPM 171710 21:24:26.3 +07:39:42 9.6 0.23 133 PPM 171736 21:25:51.1 +07:45:13 10.8 0.14 134 523711 21:25:21.9 +07:40:56 15.1 134 Positions are for J2000
Event circumstances last updated at 2022/11/26 02:45:36 UT
Marc W. Buie, Southwest Research Institute