Event between 10JH210 and star GA0820:04810389 with event index number of 1578269
Geocentric closest approach at 2020/01/23 23:05:36 UTC
J2000 position of star is 15:40:50.4 -07:30:36
Equinox of date position of star is 15:41:53.2 -07:34:18
Stellar brightness G=15.3,
use SENSEUP=128
Star is 59 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.6
TNO is 33.2 AU from the Sun
and 33.6 AU from the Earth.
The TNO is moving 17.6
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 205 seconds.
The 1-sigma cross-track error in the shadow position is
1781 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=222.9 km assuming a 5% albedo -- 12.6 sec chord
Diameter=91.0 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 3:2E
Star training set for 10JH210, (2020/01/23 23:06UT) Object RA Dec mag sep mel Antares 16:30:38.4 -26:28:29 0.9 22.16 43 27Bet Lib 15:18:05.4 -09:27:21 2.6 6.18 64 PPM 198946 15:47:49.5 -06:10:53 6.5 2.02 58 PPM 198877 15:43:23.6 -07:43:27 8.4 0.40 58 PPM 198859 15:42:05.5 -07:22:59 8.9 0.20 59 10JH210 15:41:55.1 -07:34:25 15.3 59 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 10JH210, (2020/01/23 23:06UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.16 43 27Bet Lib 15:17:00.3 -09:22:59 2.6 6.18 64 PPM 198946 15:46:45.4 -06:07:13 6.5 2.02 58 PPM 198877 15:42:18.9 -07:39:40 8.4 0.40 58 PPM 198859 15:41:01.0 -07:19:10 8.9 0.20 59 10JH210 15:40:50.4 -07:30:36 15.3 59 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:27:10 UT
Marc W. Buie, Southwest Research Institute