Event between 11UR412 and star GA1160:00364123 with event index number of 1701844
Geocentric closest approach at 2021/01/14 11:47:43 UTC
J2000 position of star is 02:45:12.8 +26:35:29
Equinox of date position of star is 02:46:26.6 +26:40:43
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 97 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=24.4
TNO is 34.8 AU from the Sun
and 34.4 AU from the Earth.
The TNO is moving 7.1
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 175 seconds.
The 1-sigma cross-track error in the shadow position is
1249 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=103.8 km assuming a 5% albedo -- 14.6 sec chord
Diameter=42.4 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 11UR412, (2021/01/14 11:48UT) Object RA Dec mag sep mel Aldebaran 04:37:07.8 +16:33:00 0.8 27.57 118 Hamal 02:08:21.9 +23:33:39 2.0 9.16 88 PPM 091931 02:45:04.8 +25:43:36 6.4 1.00 96 PPM 091921 02:44:18.9 +27:05:32 8.2 0.63 96 PPM 091951 02:46:43.4 +26:37:14 10.0 0.08 97 11UR412 02:46:26.9 +26:40:45 15.8 97 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 11UR412, (2021/01/14 11:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.57 118 Hamal 02:07:10.7 +23:27:42 2.0 9.16 88 PPM 091931 02:43:51.2 +25:38:18 6.4 1.00 96 PPM 091921 02:43:04.8 +27:00:14 8.2 0.63 96 PPM 091951 02:45:29.4 +26:31:59 10.0 0.08 97 11UR412 02:45:12.8 +26:35:29 15.8 97 Positions are for J2000
Event circumstances last updated at 2020/12/14 19:21:22 UT
Marc W. Buie, Southwest Research Institute