Event between 10MR116 and star GA1120:00178126 with event index number of 361902
Geocentric closest approach at 2020/10/12 22:46:17 UTC
J2000 position of star is 01:30:02.2 +22:49:50
Equinox of date position of star is 01:31:08.7 +22:56:04
Stellar brightness G=16.7,
use SENSEUP=128
Star is 115 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=26.2
TNO is 41.3 AU from the Sun
and 40.3 AU from the Earth.
The TNO is moving 24.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 107 seconds.
The 1-sigma cross-track error in the shadow position is
2346 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=275.4 km assuming a 5% albedo -- 2.5 sec chord
Diameter=112.4 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 10MR116, (2020/10/12 22:46UT) Object RA Dec mag sep mel Aldebaran 04:37:06.9 +16:32:58 0.8 44.04 77 6Bet Ari 01:55:47.5 +20:54:32 2.6 6.06 111 PPM 090772 01:26:44.1 +23:37:09 6.5 1.23 116 PPM 090831 01:30:49.6 +22:55:58 7.0 0.08 115 10MR116 01:31:10.6 +22:56:15 16.7 115 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 10MR116, (2020/10/12 22:46UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 44.04 77 6Bet Ari 01:54:38.5 +20:48:27 2.6 6.06 111 PPM 090772 01:25:35.7 +23:30:41 6.5 1.23 116 PPM 090831 01:29:41.2 +22:49:33 7.0 0.08 115 10MR116 01:30:02.2 +22:49:50 16.7 115 Positions are for J2000
Event circumstances last updated at 2020/03/09 22:12:13 UT
Marc W. Buie, Southwest Research Institute