Event between 14YY49 and star UC4-460-031120 with event index number of 321891
Geocentric closest approach at 2020/03/11 00:50:59 UTC
J2000 position of star is 07:13:56.3 +01:51:19
Equinox of date position of star is 07:14:56.8 +01:49:14
Stellar brightness R=15.5,
use SENSEUP=128
Star is 82 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=23.3
TNO is 19.6 AU from the Sun
and 19.2 AU from the Earth.
The TNO is moving 12.5
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is
1071 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.2 km assuming a 5% albedo -- 4.4 sec chord
Diameter=22.5 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 14YY49, (2020/03/11 00:51UT) Object RA Dec mag sep mel Sirius 06:46:02.3 -16:44:41 -1.5 19.89 90 Alhena 06:38:52.7 +16:22:49 1.9 17.06 91 PPM 152385 07:20:25.7 +02:42:08 5.9 1.62 81 PPM 152289 07:17:39.4 +01:50:28 7.6 0.67 81 PPM 152238 07:16:14.8 +01:47:30 9.8 0.32 82 PPM 152174 07:14:35.7 +01:46:23 10.2 0.11 82 14YY49 07:14:59.2 +01:49:09 15.5 82 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 14YY49, (2020/03/11 00:51UT) Object RA Dec mag sep mel Sirius 06:45:08.1 -16:43:21 -1.5 19.89 90 Alhena 06:37:42.8 +16:23:57 1.9 17.06 91 PPM 152385 07:19:22.4 +02:44:26 5.9 1.62 81 PPM 152289 07:16:36.5 +01:52:41 7.6 0.67 81 PPM 152238 07:15:11.9 +01:49:41 9.8 0.32 82 PPM 152174 07:13:32.8 +01:48:32 10.2 0.11 82 14YY49 07:13:56.3 +01:51:19 15.5 82 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:21:24 UT
Marc W. Buie, Southwest Research Institute