Event between (19299) 96SZ4 and star GA1160:00852310 with event index number of 1772341
Geocentric closest approach at 2021/12/27 20:42:23 UTC
J2000 position of star is 04:41:01.9 +26:20:30
Equinox of date position of star is 04:42:23.0 +26:22:57
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 42% illuminated.
TNO apparent brightness V=22.9
TNO is 30.0 AU from the Sun
and 29.1 AU from the Earth.
The TNO is moving 21.7
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 384 seconds.
The 1-sigma cross-track error in the shadow position is
2168 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 6.7 sec chord
Diameter=59.0 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 3:2E
Star training set for 19299, (2021/12/27 20:42UT) Object RA Dec mag sep mel Aldebaran 04:37:11.1 +16:33:06 0.8 9.90 126 3Iot Aur 04:58:25.7 +33:11:56 2.7 7.65 118 PPM 093661 04:40:43.8 +25:15:36 6.3 1.18 124 PPM 093649 04:39:51.2 +26:58:54 7.0 0.82 123 PPM 093687 04:42:29.2 +26:02:01 9.4 0.35 123 19299 04:42:23.2 +26:22:58 16.5 123 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 19299, (2021/12/27 20:42UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 9.90 126 3Iot Aur 04:56:59.6 +33:09:58 2.7 7.65 118 PPM 093661 04:39:23.2 +25:13:05 6.3 1.18 124 PPM 093649 04:38:29.6 +26:56:21 7.0 0.82 123 PPM 093687 04:41:08.1 +25:59:34 9.4 0.35 123 19299 04:41:01.9 +26:20:30 16.5 123 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:00:35 UT
Marc W. Buie, Southwest Research Institute