Event between (480017) 14QB442 and star GA0980:00195684 with event index number of 1080008
Geocentric closest approach at 2021/07/09 06:13:53 UTC
J2000 position of star is 02:17:34.5 +08:39:32
Equinox of date position of star is 02:18:41.7 +08:45:20
Stellar brightness G=10.5,
use SENSEUP=4 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 64 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.5
TNO is 41.0 AU from the Sun
and 41.3 AU from the Earth.
The TNO is moving 14.4
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 139 seconds.
The 1-sigma cross-track error in the shadow position is
1653 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 24.0 sec chord
Diameter=141.6 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 480017, (2021/07/09 06:14UT) Object RA Dec mag sep mel Aldebaran 04:37:09.5 +16:33:03 0.8 34.60 30 68Omi Cet 02:20:26.1 -02:52:52 2.0 11.65 68 65Xi 1Cet 02:14:08.6 +08:56:48 4.4 1.15 65 PPM 145474 02:19:50.1 +08:16:45 7.7 0.55 64 PPM 145479 02:20:08.2 +08:45:19 9.8 0.35 63 PPM 145458 02:18:40.1 +09:01:45 10.9 0.27 63 480017 02:18:43.2 +08:45:28 10.5 63 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 480017, (2021/07/09 06:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 34.60 30 68Omi Cet 02:19:20.8 -02:58:45 2.0 11.65 68 65Xi 1Cet 02:13:00.0 +08:50:48 4.4 1.15 65 PPM 145474 02:18:41.6 +08:10:51 7.7 0.55 64 PPM 145479 02:18:59.5 +08:39:26 9.8 0.35 63 PPM 145458 02:17:31.3 +08:55:49 10.9 0.27 63 480017 02:17:34.5 +08:39:32 10.5 64 Positions are for J2000
Event circumstances last updated at 2021/01/23 20:34:41 UT
Marc W. Buie, Southwest Research Institute