Event between (529780) 10MQ116 and star GA1140:00194102 with event index number of 1597276
Geocentric closest approach at 2020/10/03 13:48:06 UTC
J2000 position of star is 01:32:08.9 +25:13:46
Equinox of date position of star is 01:33:13.7 +25:19:46
Stellar brightness G=16.8,
use SENSEUP=128
Star is 19 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=22.1
TNO is 46.8 AU from the Sun
and 45.9 AU from the Earth.
The TNO is moving 24.9
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 182 seconds.
The 1-sigma cross-track error in the shadow position is
5195 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=501.2 km assuming a 5% albedo -- 20.2 sec chord
Diameter=204.6 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 529780, (2020/10/03 13:48UT) Object RA Dec mag sep mel Aldebaran 04:37:06.8 +16:32:58 0.8 43.60 40 6Bet Ari 01:55:47.5 +20:54:31 2.6 6.81 13 PPM 090999 01:42:28.1 +25:50:59 6.2 2.13 19 PPM 090826 01:30:32.5 +25:22:56 7.1 0.62 19 PPM 090895 01:35:04.8 +25:19:27 9.0 0.40 18 529780 01:33:17.9 +25:20:09 16.8 19 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 529780, (2020/10/03 13:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 43.60 40 6Bet Ari 01:54:38.5 +20:48:27 2.6 6.81 13 PPM 090999 01:41:18.5 +25:44:44 6.2 2.13 19 PPM 090826 01:29:23.6 +25:16:31 7.1 0.62 19 PPM 090895 01:33:55.8 +25:13:05 9.0 0.40 18 529780 01:32:08.9 +25:13:46 16.8 19 Positions are for J2000
Event circumstances last updated at 2019/07/02 21:49:28 UT
Marc W. Buie, Southwest Research Institute