Event between (530930) 11WG157 and star GA1300:01165952 with event index number of 1599300
Geocentric closest approach at 2020/11/28 17:47:09 UTC
J2000 position of star is 03:36:16.7 +41:44:16
Equinox of date position of star is 03:37:39.5 +41:48:16
Stellar brightness G=16.5,
use SENSEUP=128
Star is 28 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=24.9
TNO is 30.7 AU from the Sun
and 29.8 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is
1814 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=218.8 km assuming a 5% albedo -- 2.4 sec chord
Diameter=89.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 1:1
Star training set for 530930, (2020/11/28 17:47UT) Object RA Dec mag sep mel Aldebaran 04:37:07.4 +16:32:59 0.8 28.30 21 Algol 03:09:32.3 +41:02:05 2.1 5.33 26 PPM 046386 03:39:25.5 +42:39:00 6.2 0.90 29 PPM 046363 03:37:34.7 +42:24:24 8.5 0.60 28 PPM 046364 03:37:38.3 +41:47:25 9.3 0.02 28 530930 03:37:41.3 +41:48:21 16.5 28 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 530930, (2020/11/28 17:47UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 28.30 21 Algol 03:08:10.1 +40:57:20 2.1 5.33 26 PPM 046386 03:38:00.2 +42:34:58 6.2 0.90 29 PPM 046363 03:36:09.7 +42:20:19 8.5 0.60 28 PPM 046364 03:36:13.7 +41:43:20 9.3 0.02 28 530930 03:36:16.7 +41:44:16 16.5 28 Positions are for J2000
Event circumstances last updated at 2020/06/22 20:24:14 UT
Marc W. Buie, Southwest Research Institute