Event between 04VZ130 and star GA1200:01688048 with event index number of 1978764
Geocentric closest approach at 2022/11/21 20:17:52 UTC
J2000 position of star is 05:31:53.3 +31:29:44
Equinox of date position of star is 05:33:21.7 +31:30:38
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=23.9
TNO is 33.1 AU from the Sun
and 32.2 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 352 seconds.
The 1-sigma cross-track error in the shadow position is
2395 km.
The TNO has an absolute magnitude Hv=8.7
Diameter=109.1 km assuming a 5% albedo -- 4.9 sec chord
Diameter=44.6 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 3:2E
Star training set for 04VZ130, (2022/11/21 20:18UT) Object RA Dec mag sep mel Aldebaran 04:37:14.2 +16:33:13 0.8 19.66 142 Alnath 05:27:44.5 +28:37:29 1.6 3.13 129 25Chi Aur 05:34:13.2 +32:12:24 4.8 0.72 127 PPM 070525 05:34:28.9 +31:53:10 7.5 0.44 127 PPM 070494 05:33:02.4 +31:31:29 9.8 0.07 127 04VZ130 05:33:22.3 +31:30:38 13.4 127 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 04VZ130, (2022/11/21 20:18UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 19.66 142 Alnath 05:26:17.6 +28:36:23 1.6 3.13 129 25Chi Aur 05:32:43.7 +32:11:31 4.8 0.72 127 PPM 070525 05:32:59.7 +31:52:18 7.5 0.44 127 PPM 070494 05:31:33.4 +31:30:34 9.8 0.07 127 04VZ130 05:31:53.3 +31:29:44 13.4 127 Positions are for J2000
Event circumstances last updated at 2022/10/01 04:16:23 UT
Marc W. Buie, Southwest Research Institute