Event between (470443) 07XV50 and star GA1240:01741195 with event index number of 2230691
Geocentric closest approach at 2022/11/20 21:52:59 UTC
J2000 position of star is 05:17:32.6 +34:10:19
Equinox of date position of star is 05:19:02.9 +34:11:41
Stellar brightness G=15.3,
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 11% illuminated.
TNO apparent brightness V=21.3
TNO is 47.1 AU from the Sun
and 46.2 AU from the Earth.
The TNO is moving 24.2
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is
3065 km.
The TNO has an absolute magnitude Hv=4.6
Diameter=717.8 km assuming a 5% albedo -- 29.7 sec chord
Diameter=293.0 km assuming a 30% albedo -- 12.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 470443, (2022/11/20 21:53UT) Object RA Dec mag sep mel Aldebaran 04:37:14.2 +16:33:13 0.8 19.98 129 3Iot Aur 04:58:29.3 +33:12:01 2.7 4.39 121 17 Aur 05:19:49.5 +33:47:24 6.1 0.44 117 PPM 070103 05:17:24.2 +34:26:47 8.0 0.42 117 PPM 070193 05:20:46.1 +34:15:55 9.4 0.36 117 PPM 070142 05:19:03.6 +34:16:01 10.4 0.07 117 470443 05:19:03.4 +34:11:42 15.3 117 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 470443, (2022/11/20 21:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 19.98 129 3Iot Aur 04:56:59.6 +33:09:58 2.7 4.39 121 17 Aur 05:18:19.0 +33:46:02 6.1 0.44 117 PPM 070103 05:15:53.2 +34:25:21 8.0 0.42 117 PPM 070193 05:19:15.3 +34:14:36 9.4 0.36 117 PPM 070142 05:17:32.8 +34:14:38 10.4 0.07 117 470443 05:17:32.6 +34:10:19 15.3 117 Positions are for J2000
Event circumstances last updated at 2022/10/02 04:10:25 UT
Marc W. Buie, Southwest Research Institute