Event between 04TX357 and star GA1260:02440742 with event index number of 1079475
Geocentric closest approach at 2022/01/09 21:37:31 UTC
J2000 position of star is 05:55:19.1 +37:02:06
Equinox of date position of star is 05:56:48.6 +37:02:13
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=23.3
TNO is 29.1 AU from the Sun
and 28.2 AU from the Earth.
The TNO is moving 22.5
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 294 seconds.
The 1-sigma cross-track error in the shadow position is
1680 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=112.2 km assuming a 5% albedo -- 5.0 sec chord
Diameter=45.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 4:3E
Star training set for 04TX357, (2022/01/09 21:38UT) Object RA Dec mag sep mel Pollux 07:46:39.7 +27:58:16 1.1 24.76 92 34Bet Aur 06:01:08.7 +44:56:50 1.9 7.95 72 31Ups Aur 05:52:32.7 +37:18:35 6.3 0.89 69 PPM 071009 05:57:20.0 +36:56:19 7.6 0.14 69 PPM 071005 05:56:57.1 +37:06:26 9.9 0.08 69 04TX357 05:56:49.0 +37:02:13 16.1 70 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 04TX357, (2022/01/09 21:38UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 24.76 92 34Bet Aur 05:59:31.6 +44:56:51 1.9 7.95 72 31Ups Aur 05:51:02.5 +37:18:19 6.3 0.89 69 PPM 071009 05:55:50.1 +36:56:12 7.6 0.14 69 PPM 071005 05:55:27.1 +37:06:18 9.9 0.08 69 04TX357 05:55:19.1 +37:02:06 16.1 69 Positions are for J2000
Event circumstances last updated at 2021/12/03 01:43:57 UT
Marc W. Buie, Southwest Research Institute