Event between 03YN179 and star GA1140:02337399 with event index number of 1074607
Geocentric closest approach at 2022/01/04 20:10:47 UTC
J2000 position of star is 06:33:40.2 +24:41:48
Equinox of date position of star is 06:34:57.5 +24:40:45
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=23.5
TNO is 44.5 AU from the Sun
and 43.5 AU from the Earth.
The TNO is moving 25.7
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 1382 seconds.
The 1-sigma cross-track error in the shadow position is
3157 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=234.4 km assuming a 5% albedo -- 9.1 sec chord
Diameter=95.7 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 03YN179, (2022/01/04 20:11UT) Object RA Dec mag sep mel Pollux 07:46:39.6 +27:58:16 1.1 16.37 160 Alhena 06:38:59.0 +16:22:43 1.9 8.35 144 PPM 096264 06:38:48.2 +24:34:14 6.5 0.87 145 PPM 096210 06:36:22.5 +24:54:06 9.1 0.38 145 PPM 096212 06:36:23.8 +24:36:56 10.6 0.32 145 03YN179 06:35:01.2 +24:40:42 16.3 145 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 03YN179, (2022/01/04 20:11UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 16.37 160 Alhena 06:37:42.8 +16:23:57 1.9 8.35 144 PPM 096264 06:37:27.2 +24:35:27 6.5 0.87 145 PPM 096210 06:35:01.4 +24:55:15 9.1 0.38 145 PPM 096212 06:35:02.8 +24:38:05 10.6 0.32 145 03YN179 06:33:40.2 +24:41:48 16.3 144 Positions are for J2000
Event circumstances last updated at 2021/01/04 22:08:49 UT
Marc W. Buie, Southwest Research Institute