Event between 14RN74 and star GA0840:00267449 with event index number of 1818196
Geocentric closest approach at 2021/03/05 05:08:48 UTC
J2000 position of star is 03:22:05.8 -04:30:30
Equinox of date position of star is 03:23:08.9 -04:26:02
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 153 degrees from the moon.
Moon is 60% illuminated.
TNO apparent brightness V=23.0
TNO is 28.7 AU from the Sun
and 29.1 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 61 seconds.
The 1-sigma cross-track error in the shadow position is
1425 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 6.0 sec chord
Diameter=55.1 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 3:2E
Star training set for 14RN74, (2021/03/05 05:10UT) Object RA Dec mag sep mel Aldebaran 04:37:08.3 +16:33:01 0.8 27.83 173 Menkar 03:03:23.3 +04:10:18 2.5 9.92 157 PPM 185591 03:17:24.7 -05:39:13 6.3 1.88 151 PPM 185752 03:26:23.7 -04:34:55 7.2 0.82 153 PPM 185678 03:22:29.4 -04:21:27 9.8 0.18 153 14RN74 03:23:09.2 -04:26:01 15.8 153 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 14RN74, (2021/03/05 05:10UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.83 173 Menkar 03:02:16.8 +04:05:21 2.5 9.92 157 PPM 185591 03:16:21.7 -05:43:50 6.3 1.88 151 PPM 185752 03:25:20.3 -04:39:19 7.2 0.82 153 PPM 185678 03:21:26.0 -04:25:57 9.8 0.18 153 14RN74 03:22:05.8 -04:30:30 15.8 153 Positions are for J2000
Event circumstances last updated at 2021/01/24 20:35:51 UT
Marc W. Buie, Southwest Research Institute