Event between (48639) 95TL8 and star GA1080:00396004 with event index number of 2381523
Geocentric closest approach at 2022/03/14 22:38:31 UTC
J2000 position of star is 03:35:37.2 +19:24:18
Equinox of date position of star is 03:36:53.9 +19:28:39
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=21.7
TNO is 46.3 AU from the Sun
and 46.7 AU from the Earth.
The TNO is moving 18.1
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 117 seconds.
The 1-sigma cross-track error in the shadow position is
1836 km.
The TNO has an absolute magnitude Hv=4.9
Diameter=622.3 km assuming a 5% albedo -- 34.4 sec chord
Diameter=254.1 km assuming a 30% albedo -- 14.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 48639, (2022/03/14 22:36UT) Object RA Dec mag sep mel Aldebaran 04:37:11.8 +16:33:08 0.8 14.62 65 44Zet Per 03:55:32.0 +31:56:52 2.8 13.15 70 13 Tau 03:43:36.0 +19:46:11 5.7 1.60 76 PPM 119210 03:37:38.3 +19:37:53 8.3 0.23 78 PPM 119197 03:36:15.2 +19:23:08 8.8 0.18 78 48639 03:36:54.0 +19:28:39 13.9 77 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 48639, (2022/03/14 22:36UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 14.62 65 44Zet Per 03:54:07.9 +31:53:01 2.8 13.15 70 13 Tau 03:42:18.9 +19:42:01 5.7 1.60 76 PPM 119210 03:36:21.5 +19:33:33 8.3 0.23 78 PPM 119197 03:34:58.5 +19:18:46 8.8 0.18 78 48639 03:35:37.2 +19:24:18 13.9 78 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:35:11 UT
Marc W. Buie, Southwest Research Institute