Event between (208996) 03AZ84 and star GA0960:03375826 with event index number of 2177518
Geocentric closest approach at 2022/01/31 21:11:36 UTC
J2000 position of star is 08:29:12.6 +07:06:39
Equinox of date position of star is 08:30:23.3 +07:02:11
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 164 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=20.2
TNO is 44.1 AU from the Sun
and 43.1 AU from the Earth.
The TNO is moving 26.1
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is
1654 km.
The TNO has an absolute magnitude Hv=3.8
Diameter=1037.6 km assuming a 5% albedo -- 39.8 sec chord
Diameter=423.6 km assuming a 30% albedo -- 16.3 sec chord
Dynamical classification is 3:2E
Star training set for 208996, (2022/01/31 21:12UT) Object RA Dec mag sep mel Pollux 07:46:39.9 +27:58:16 1.1 23.35 166 Alphard 09:28:40.4 -08:45:19 2.0 21.45 146 PPM 154457 08:27:05.8 +07:29:28 5.1 0.94 164 PPM 154525 08:29:44.0 +06:53:25 7.9 0.22 164 PPM 154535 08:30:14.3 +06:50:05 9.2 0.21 164 208996 08:30:23.5 +07:02:10 13.5 164 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 208996, (2022/01/31 21:12UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 23.35 166 Alphard 09:27:35.2 -08:39:30 2.0 21.45 146 PPM 154457 08:25:54.7 +07:33:52 5.1 0.94 164 PPM 154525 08:28:33.3 +06:57:53 7.9 0.22 164 PPM 154535 08:29:03.5 +06:54:34 9.2 0.21 164 208996 08:29:12.6 +07:06:39 13.5 164 Positions are for J2000
Event circumstances last updated at 2022/01/10 00:03:14 UT
Marc W. Buie, Southwest Research Institute