Event between 04TT357 and star GA1080:00809037 with event index number of 215054
Geocentric closest approach at 2019/10/12 01:39:32 UTC
J2000 position of star is 05:04:51.8 +18:50:46
Equinox of date position of star is 05:05:56.7 +18:52:13
Stellar brightness G=15.6,
use SENSEUP=128
Star is 78 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=22.8
TNO is 33.0 AU from the Sun
and 32.4 AU from the Earth.
The TNO is moving 10.3
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 1734 seconds.
The 1-sigma cross-track error in the shadow position is
1662 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=184.5 km assuming a 5% albedo -- 18.6 sec chord
Diameter=75.3 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is 5:2EEE
Star training set for 04TT357, (2019/10/12 01:40UT) Object RA Dec mag sep mel Aldebaran 04:37:03.5 +16:32:51 0.8 7.28 71 Alnath 05:27:32.6 +28:37:20 1.6 10.92 85 104 Tau 05:08:37.2 +18:40:12 5.6 0.65 79 PPM 120566 05:05:59.3 +18:16:48 7.7 0.59 78 PPM 120546 05:04:54.4 +18:44:47 9.7 0.29 78 04TT357 05:06:01.4 +18:52:19 15.6 78 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 04TT357, (2019/10/12 01:40UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 7.28 71 Alnath 05:26:17.5 +28:36:23 1.6 10.92 85 104 Tau 05:07:27.7 +18:38:43 5.6 0.65 79 PPM 120566 05:04:50.0 +18:15:14 7.7 0.59 78 PPM 120546 05:03:44.8 +18:43:11 9.7 0.29 78 04TT357 05:04:51.8 +18:50:46 15.6 78 Positions are for J2000
Event circumstances last updated at 2018/06/12 07:47:37 UT
Marc W. Buie, Southwest Research Institute