Event between 00SR331 and star GA1080:02653227 with event index number of 237313
Geocentric closest approach at 2020/01/11 21:26:50 UTC
J2000 position of star is 07:07:52.9 +18:06:19
Equinox of date position of star is 07:09:00.8 +18:04:25
Stellar brightness G=15.9,
use SENSEUP=128
Star is 21 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=23.9
TNO is 32.7 AU from the Sun
and 31.7 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 368 seconds.
The 1-sigma cross-track error in the shadow position is
2324 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 4.3 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is 5:2EEE
Star training set for 00SR331, (2020/01/11 21:27UT) Object RA Dec mag sep mel Pollux 07:46:32.4 +27:58:34 1.1 13.12 13 Alhena 06:38:52.1 +16:22:50 1.9 7.40 28 45 Gem 07:09:30.9 +15:53:49 6.4 2.18 21 PPM 123583 07:09:47.3 +18:16:05 8.4 0.26 20 PPM 123579 07:09:36.5 +18:02:50 9.4 0.14 20 PPM 123573 07:09:26.3 +17:58:34 10.2 0.13 20 00SR331 07:09:02.9 +18:04:21 15.9 20 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 00SR331, (2020/01/11 21:27UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 13.12 13 Alhena 06:37:42.8 +16:23:57 1.9 7.40 28 45 Gem 07:08:22.0 +15:55:48 6.4 2.18 21 PPM 123583 07:08:37.2 +18:18:05 8.4 0.26 20 PPM 123579 07:08:26.6 +18:04:49 9.4 0.14 20 PPM 123573 07:08:16.4 +18:00:32 10.2 0.13 20 00SR331 07:07:52.9 +18:06:19 15.9 20 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:09:10 UT
Marc W. Buie, Southwest Research Institute