Event between 04TV357 and star GA1100:01043056 with event index number of 1189740
Geocentric closest approach at 2022/12/07 18:21:04 UTC
J2000 position of star is 05:22:00.2 +21:14:56
Equinox of date position of star is 05:23:19.9 +21:16:08
Stellar brightness G=12.6,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 11 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.2
TNO is 34.6 AU from the Sun
and 33.6 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 172 seconds.
The 1-sigma cross-track error in the shadow position is
1422 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=264.2 km assuming a 5% albedo -- 10.8 sec chord
Diameter=107.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 2:1E
Star training set for 04TV357, (2022/12/07 18:21UT) Object RA Dec mag sep mel Aldebaran 04:37:14.4 +16:33:13 0.8 11.88 8 Alnath 05:27:44.6 +28:37:29 1.6 7.42 12 109 Tau 05:20:39.4 +22:07:05 4.9 1.06 10 PPM 094285 05:21:59.9 +20:51:05 8.0 0.53 11 PPM 094276 05:21:27.6 +21:10:23 9.3 0.46 11 PPM 094308 05:23:36.9 +21:14:07 11.1 0.07 11 04TV357 05:23:22.5 +21:16:10 12.6 11 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 04TV357, (2022/12/07 18:21UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 11.88 8 Alnath 05:26:17.5 +28:36:23 1.6 7.42 12 109 Tau 05:19:16.6 +22:05:46 4.9 1.06 10 PPM 094285 05:20:37.9 +20:49:48 8.0 0.53 11 PPM 094276 05:20:05.4 +21:09:05 9.3 0.46 11 PPM 094308 05:22:14.6 +21:12:53 11.1 0.07 11 04TV357 05:22:00.2 +21:14:56 12.6 11 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:17:58 UT
Marc W. Buie, Southwest Research Institute