Event between (127546) 02XU93 and star GA1640:01241936 with event index number of 170328
Geocentric closest approach at 2018/12/22 00:42:22 UTC
J2000 position of star is 14:28:21.9 +75:08:50
Equinox of date position of star is 14:28:22.7 +75:03:50
Stellar brightness G=15.4,
use SENSEUP=128
Star is 81 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.0
TNO is 23.9 AU from the Sun
and 23.7 AU from the Earth.
The TNO is moving 30.2
km/sec on the sky relative to the star, or,
6.3 arcsec/hr.
The 1-sigma error in the time of the event is 170 seconds.
The 1-sigma cross-track error in the shadow position is
4149 km.
The TNO has an absolute magnitude Hv=8.0
Diameter=151.4 km assuming a 5% albedo -- 5.0 sec chord
Diameter=61.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 127546, (2018/12/22 00:42UT) Object RA Dec mag sep mel Deneb 20:42:04.8 +45:20:56 1.3 47.43 100 Kochab 14:50:40.2 +74:04:41 2.1 1.78 83 5 UMi 14:27:30.4 +75:36:42 4.3 0.55 81 PPM 008743 14:47:00.7 +75:57:49 7.5 1.47 81 PPM 008628 14:21:25.1 +74:58:29 8.8 0.46 81 PPM 008670 14:29:34.4 +75:18:36 10.3 0.26 81 127546 14:28:22.7 +75:03:47 15.4 81 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 127546, (2018/12/22 00:42UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 47.43 100 Kochab 14:50:42.2 +74:09:20 2.1 1.78 83 5 UMi 14:27:31.6 +75:41:46 4.3 0.55 81 PPM 008743 14:47:10.1 +76:02:33 7.5 1.47 81 PPM 008628 14:21:21.5 +75:03:39 8.8 0.46 81 PPM 008670 14:29:35.0 +75:23:38 10.3 0.26 81 127546 14:28:21.9 +75:08:50 15.4 81 Positions are for J2000
Event circumstances last updated at 2018/10/04 18:59:30 UT
Marc W. Buie, Southwest Research Institute