Event between (527603) 07VJ305 and star GA1060:00219807 with event index number of 2136756
Geocentric closest approach at 2022/02/18 22:52:00 UTC
J2000 position of star is 02:12:51.1 +16:20:03
Equinox of date position of star is 02:14:03.1 +16:26:09
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=22.9
TNO is 38.4 AU from the Sun
and 38.8 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 117 seconds.
The 1-sigma cross-track error in the shadow position is
1761 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 14.1 sec chord
Diameter=102.6 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 527603, (2022/02/18 22:53UT) Object RA Dec mag sep mel Aldebaran 04:37:11.6 +16:33:07 0.8 34.26 108 6Bet Ari 01:55:52.0 +20:54:55 2.6 6.21 141 19 Ari 02:14:16.0 +15:22:57 5.7 1.06 141 PPM 118029 02:13:42.6 +16:48:12 8.4 0.38 140 PPM 118041 02:14:17.9 +16:11:18 9.1 0.26 140 527603 02:14:04.0 +16:26:14 16.3 140 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 527603, (2022/02/18 22:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 34.26 108 6Bet Ari 01:54:38.5 +20:48:26 2.6 6.21 141 19 Ari 02:13:03.4 +15:16:47 5.7 1.06 141 PPM 118029 02:12:29.6 +16:42:01 8.4 0.38 140 PPM 118041 02:13:05.1 +16:05:07 9.1 0.26 140 527603 02:12:51.1 +16:20:03 16.3 140 Positions are for J2000
Event circumstances last updated at 2021/11/15 00:46:40 UT
Marc W. Buie, Southwest Research Institute