Event between (523700) 14GM54 and star GA1100:09179443 with event index number of 361940
Geocentric closest approach at 2020/10/10 01:15:17 UTC
J2000 position of star is 19:25:43.4 +20:27:30
Equinox of date position of star is 19:26:36.9 +20:30:01
Stellar brightness G=16.0,
use SENSEUP=128
Star is 135 degrees from the moon.
Moon is 50% illuminated.
TNO apparent brightness V=24.5
TNO is 27.1 AU from the Sun
and 27.0 AU from the Earth.
The TNO is moving 23.5
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 49 seconds.
The 1-sigma cross-track error in the shadow position is
1505 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=229.1 km assuming a 5% albedo -- 2.6 sec chord
Diameter=93.5 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523700, (2020/10/10 01:15UT) Object RA Dec mag sep mel Vega 18:37:38.6 +38:48:14 0.0 21.12 116 Tarazed 19:47:14.8 +10:39:55 2.7 11.01 144 PPM 108971 19:26:16.7 +20:18:50 6.4 0.20 135 PPM 108989 19:26:38.5 +20:36:06 10.2 0.10 135 523700 19:26:37.7 +20:30:03 16.0 135 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 523700, (2020/10/10 01:15UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 21.12 116 Tarazed 19:46:15.6 +10:36:48 2.7 11.01 144 PPM 108971 19:25:22.3 +20:16:18 6.4 0.20 135 PPM 108989 19:25:44.3 +20:33:33 10.2 0.10 135 523700 19:25:43.4 +20:27:30 16.0 135 Positions are for J2000
Event circumstances last updated at 2020/06/21 21:57:20 UT
Marc W. Buie, Southwest Research Institute