Event between 03UP292 and star UC4-615-017451 with event index number of 173866
Geocentric closest approach at 2018/12/14 18:47:49 UTC
J2000 position of star is 04:55:20.5 +32:56:33
Equinox of date position of star is 04:56:32.4 +32:58:15
Stellar brightness R=15.9,
use SENSEUP=128
Star is 92 degrees from the moon.
Moon is 43% illuminated.
TNO apparent brightness V=21.8
TNO is 28.7 AU from the Sun
and 27.8 AU from the Earth.
The TNO is moving 23.6
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 62 seconds.
The 1-sigma cross-track error in the shadow position is
1057 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=221.8 km assuming a 5% albedo -- 9.4 sec chord
Diameter=90.6 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 2:1E
Star training set for 03UP292, (2018/12/14 18:48UT) Object RA Dec mag sep mel Aldebaran 04:37:00.6 +16:32:45 0.8 17.01 85 3Iot Aur 04:58:13.9 +33:11:40 2.7 0.41 92 PPM 069666 04:50:32.9 +32:37:11 6.0 1.31 91 PPM 069754 04:56:44.4 +32:48:47 8.2 0.16 92 03UP292 04:56:34.6 +32:58:18 15.9 92 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 03UP292, (2018/12/14 18:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 17.01 85 3Iot Aur 04:56:59.6 +33:09:58 2.7 0.41 92 PPM 069666 04:49:19.1 +32:35:16 6.0 1.31 91 PPM 069754 04:55:30.4 +32:47:02 8.2 0.16 92 03UP292 04:55:20.5 +32:56:33 15.9 92 Positions are for J2000
Event circumstances last updated at 2018/05/24 02:01:37 UT
Marc W. Buie, Southwest Research Institute