Event between 07TC434 and star GA1100:00210256 with event index number of 1008373
Geocentric closest approach at 2020/11/22 20:08:56 UTC
J2000 position of star is 01:53:31.5 +21:19:52
Equinox of date position of star is 01:54:38.7 +21:25:47
Stellar brightness G=14.9,
use SENSEUP=128
Star is 57 degrees from the moon.
Moon is 56% illuminated.
TNO apparent brightness V=26.2
TNO is 41.8 AU from the Sun
and 40.9 AU from the Earth.
The TNO is moving 21.5
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 181 seconds.
The 1-sigma cross-track error in the shadow position is
4002 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=219.8 km assuming a 5% albedo -- 2.8 sec chord
Diameter=89.7 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 9:1EEEEEEEE
Star training set for 07TC434, (2020/11/22 20:09UT) Object RA Dec mag sep mel Aldebaran 04:37:07.3 +16:32:59 0.8 38.60 91 6Bet Ari 01:55:47.9 +20:54:34 2.6 0.58 57 1 Ari 01:51:18.2 +22:22:41 6.3 1.23 57 PPM 091140 01:52:18.7 +20:37:01 7.2 0.99 56 PPM 091168 01:54:36.8 +21:43:50 9.7 0.30 57 PPM 091169 01:54:53.4 +21:24:13 10.4 0.06 57 07TC434 01:54:41.0 +21:26:00 14.9 58 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 07TC434, (2020/11/22 20:09UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 38.60 91 6Bet Ari 01:54:38.5 +20:48:27 2.6 0.58 57 1 Ari 01:50:08.6 +22:16:30 6.3 1.23 57 PPM 091140 01:51:09.5 +20:30:51 7.2 0.99 56 PPM 091168 01:53:27.3 +21:37:42 9.7 0.30 57 PPM 091169 01:53:43.9 +21:18:05 10.4 0.06 57 07TC434 01:53:31.5 +21:19:52 14.9 57 Positions are for J2000
Event circumstances last updated at 2020/03/09 22:29:54 UT
Marc W. Buie, Southwest Research Institute