Event between (523597) 02QX47 and star GA1080:00218402 with event index number of 2245736
Geocentric closest approach at 2021/11/09 17:01:47 UTC
J2000 position of star is 02:04:40.7 +19:35:37
Equinox of date position of star is 02:05:53.0 +19:41:50
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=23.0
TNO is 26.2 AU from the Sun
and 25.2 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
4.7 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1512 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 4.3 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 523597, (2021/11/09 17:02UT) Object RA Dec mag sep mel Aldebaran 04:37:10.6 +16:33:05 0.8 36.01 135 6Bet Ari 01:55:51.1 +20:54:50 2.6 2.65 100 15 Ari 02:11:50.6 +19:36:09 5.7 1.41 103 PPM 117888 02:03:33.6 +19:29:40 8.4 0.58 101 PPM 117920 02:05:21.2 +19:59:59 9.5 0.33 102 523597 02:05:53.3 +19:41:51 16.8 102 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 523597, (2021/11/09 17:02UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 36.01 135 6Bet Ari 01:54:38.5 +20:48:26 2.6 2.65 100 15 Ari 02:10:37.7 +19:30:01 5.7 1.41 103 PPM 117888 02:02:21.2 +19:23:24 8.4 0.58 101 PPM 117920 02:04:08.5 +19:53:44 9.5 0.33 102 523597 02:04:40.7 +19:35:37 16.8 102 Positions are for J2000
Event circumstances last updated at 2021/10/11 01:42:36 UT
Marc W. Buie, Southwest Research Institute