Event between 14KA102 and star GA0940:03991505 with event index number of 2494870
Geocentric closest approach at 2022/01/01 00:16:54 UTC
J2000 position of star is 15:01:51.7 +05:10:55
Equinox of date position of star is 15:02:57.3 +05:05:48
Stellar brightness G=14.2,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 41 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=22.6
TNO is 42.0 AU from the Sun
and 42.5 AU from the Earth.
The TNO is moving 23.6
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 213 seconds.
The 1-sigma cross-track error in the shadow position is
2212 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=342.0 km assuming a 5% albedo -- 14.5 sec chord
Diameter=139.6 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 14KA102, (2022/01/01 00:17UT) Object RA Dec mag sep mel Arcturus 14:16:40.0 +19:04:08 0.0 17.96 58 Unukalhai 15:45:21.2 +06:21:28 2.6 10.62 35 PPM 161289 15:08:45.9 +05:24:52 6.2 1.48 40 PPM 161217 15:04:26.4 +04:44:56 8.3 0.51 40 PPM 161190 15:02:51.2 +05:33:03 11.4 0.46 41 14KA102 15:02:57.5 +05:05:47 14.2 40 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 14KA102, (2022/01/01 00:17UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 17.96 58 Unukalhai 15:44:16.3 +06:25:33 2.6 10.62 35 PPM 161289 15:07:40.3 +05:29:53 6.2 1.48 40 PPM 161217 15:03:20.5 +04:50:03 8.3 0.51 40 PPM 161190 15:01:45.6 +05:38:11 11.4 0.46 41 14KA102 15:01:51.7 +05:10:55 14.2 40 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:00:52 UT
Marc W. Buie, Southwest Research Institute