Event between 12UV177 and star GA1200:00509751 with event index number of 1535029
Geocentric closest approach at 2020/09/21 00:06:01 UTC
J2000 position of star is 03:03:36.8 +30:27:40
Equinox of date position of star is 03:04:50.4 +30:32:21
Stellar brightness G=16.6,
use SENSEUP=128
Star is 164 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=24.7
TNO is 28.9 AU from the Sun
and 28.3 AU from the Earth.
The TNO is moving 13.0
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 491 seconds.
The 1-sigma cross-track error in the shadow position is
1110 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=84.3 km assuming a 5% albedo -- 4.6 sec chord
Diameter=34.4 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is 1:1
Star training set for 12UV177, (2020/09/21 00:06UT) Object RA Dec mag sep mel Aldebaran 04:37:06.7 +16:32:58 0.8 25.26 158 Algol 03:09:31.5 +41:02:03 2.1 10.54 153 55 Ari 03:10:51.9 +29:09:18 5.7 1.90 165 PPM 068105 03:08:07.6 +30:36:21 7.3 0.70 164 PPM 068052 03:04:57.5 +30:35:26 9.8 0.05 164 12UV177 03:04:52.3 +30:32:28 16.6 164 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 12UV177, (2020/09/21 00:06UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 25.26 158 Algol 03:08:10.1 +40:57:20 2.1 10.54 153 55 Ari 03:09:36.8 +29:04:37 5.7 1.90 165 PPM 068105 03:06:51.9 +30:31:37 7.3 0.70 164 PPM 068052 03:03:42.0 +30:30:38 9.8 0.05 164 12UV177 03:03:36.8 +30:27:40 16.6 164 Positions are for J2000
Event circumstances last updated at 2020/03/10 22:09:33 UT
Marc W. Buie, Southwest Research Institute