Event between (535026) 14WV509 and star GA0920:00427094 with event index number of 2337800
Geocentric closest approach at 2021/12/07 21:42:49 UTC
J2000 position of star is 04:30:06.7 +03:53:06
Equinox of date position of star is 04:31:16.0 +03:55:53
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=22.6
TNO is 39.1 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 25.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 235 seconds.
The 1-sigma cross-track error in the shadow position is
1873 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 11.0 sec chord
Diameter=112.4 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 535026, (2021/12/07 21:43UT) Object RA Dec mag sep mel Aldebaran 04:37:10.9 +16:33:06 0.8 12.70 123 67Bet Eri 05:08:55.7 -05:03:35 2.8 13.01 121 PPM 147685 04:35:18.4 +05:36:47 5.8 1.96 119 PPM 147541 04:27:10.9 +04:25:18 8.0 1.13 116 PPM 147625 04:32:04.8 +03:31:00 9.0 0.46 117 PPM 147600 04:30:44.9 +03:53:06 11.0 0.14 117 535026 04:31:16.0 +03:55:53 15.6 117 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 535026, (2021/12/07 21:43UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.70 123 67Bet Eri 05:07:50.8 -05:05:13 2.8 13.01 121 PPM 147685 04:34:08.2 +05:34:08 5.8 1.96 119 PPM 147541 04:26:01.4 +04:22:24 8.0 1.13 116 PPM 147625 04:30:55.7 +03:28:14 9.0 0.46 117 PPM 147600 04:29:35.7 +03:50:18 11.0 0.14 117 535026 04:30:06.7 +03:53:06 15.6 117 Positions are for J2000
Event circumstances last updated at 2021/12/06 01:43:52 UT
Marc W. Buie, Southwest Research Institute