Event between 05NU125 and star GA0940:16651159 with event index number of 1980453
Geocentric closest approach at 2023/05/04 19:40:27 UTC
J2000 position of star is 21:24:20.9 +04:08:18
Equinox of date position of star is 21:25:25.4 +04:13:52
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.9
TNO is 42.0 AU from the Sun
and 42.2 AU from the Earth.
The TNO is moving 16.1
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 228 seconds.
The 1-sigma cross-track error in the shadow position is
3530 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 18.7 sec chord
Diameter=123.3 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 05NU125, (2023/05/04 19:40UT) Object RA Dec mag sep mel Fomalhaut 22:58:56.1 -29:29:53 1.2 40.49 119 Tarazed 19:47:22.1 +10:40:18 2.7 25.15 88 8Alp Equ 21:16:59.4 +05:20:44 3.9 2.40 109 PPM 171688 21:24:54.0 +04:27:58 8.4 0.27 111 05NU125 21:25:31.3 +04:14:22 16.5 111 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 05NU125, (2023/05/04 19:40UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 40.49 119 Tarazed 19:46:15.6 +10:36:48 2.7 25.15 88 8Alp Equ 21:15:49.5 +05:14:50 3.9 2.40 109 PPM 171688 21:23:43.7 +04:21:54 8.4 0.27 111 05NU125 21:24:20.9 +04:08:18 16.5 111 Positions are for J2000
Event circumstances last updated at 2021/05/24 23:48:07 UT
Marc W. Buie, Southwest Research Institute