Event between (470083) 06SG369 and star GA1040:00497892 with event index number of 2218539
Geocentric closest approach at 2022/03/12 13:15:07 UTC
J2000 position of star is 04:27:02.9 +14:19:28
Equinox of date position of star is 04:28:17.1 +14:22:19
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 39 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=22.8
TNO is 31.9 AU from the Sun
and 32.1 AU from the Earth.
The TNO is moving 13.8
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 118 seconds.
The 1-sigma cross-track error in the shadow position is
1531 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=182.0 km assuming a 5% albedo -- 13.2 sec chord
Diameter=74.3 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 2:1E
Star training set for 470083, (2022/03/12 13:14UT) Object RA Dec mag sep mel Aldebaran 04:37:11.8 +16:33:08 0.8 3.06 36 Bellatrix 05:26:19.4 +06:22:05 1.6 16.35 31 73Pi Tau 04:27:51.9 +14:45:44 5.8 0.40 39 76 Tau 04:29:39.0 +14:47:19 6.3 0.53 39 PPM 119899 04:27:54.1 +14:16:10 9.0 0.14 39 470083 04:28:18.2 +14:22:22 17.0 39 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 470083, (2022/03/12 13:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 3.06 36 Bellatrix 05:25:07.8 +06:20:58 1.6 16.35 31 73Pi Tau 04:26:36.5 +14:42:49 5.8 0.40 39 76 Tau 04:28:23.6 +14:44:27 6.3 0.53 39 PPM 119899 04:26:39.0 +14:13:15 9.0 0.14 39 470083 04:27:02.9 +14:19:28 17.0 39 Positions are for J2000
Event circumstances last updated at 2021/11/15 00:47:01 UT
Marc W. Buie, Southwest Research Institute