Event between (523620) 07RH283 and star GA1240:00884646 with event index number of 326125
Geocentric closest approach at 2020/03/04 19:59:55 UTC
J2000 position of star is 03:55:09.5 +34:36:36
Equinox of date position of star is 03:56:27.0 +34:40:03
Stellar brightness G=16.7,
use SENSEUP=128
Star is 37 degrees from the moon.
Moon is 70% illuminated.
TNO apparent brightness V=22.2
TNO is 21.1 AU from the Sun
and 21.3 AU from the Earth.
The TNO is moving 13.3
km/sec on the sky relative to the star, or,
3.1 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
1066 km.
The TNO has an absolute magnitude Hv=8.7
Diameter=109.7 km assuming a 5% albedo -- 8.3 sec chord
Diameter=44.8 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CENTAURR
Star training set for 523620, (2020/03/04 20:00UT) Object RA Dec mag sep mel Aldebaran 04:37:04.8 +16:32:54 0.8 20.27 29 44Zet Per 03:55:24.3 +31:56:31 2.8 2.73 37 PPM 068922 03:57:47.0 +35:08:17 5.3 0.54 37 PPM 068885 03:54:50.7 +35:07:06 8.4 0.56 37 PPM 068914 03:57:10.9 +34:36:09 8.9 0.16 37 523620 03:56:27.5 +34:40:04 16.7 37 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 523620, (2020/03/04 20:00UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 20.27 29 44Zet Per 03:54:07.9 +31:53:01 2.8 2.73 37 PPM 068922 03:56:28.7 +35:04:51 5.3 0.54 37 PPM 068885 03:53:32.5 +35:03:35 8.4 0.56 37 PPM 068914 03:55:52.9 +34:32:42 8.9 0.16 37 523620 03:55:09.5 +34:36:36 16.7 37 Positions are for J2000
Event circumstances last updated at 2020/01/15 20:44:50 UT
Marc W. Buie, Southwest Research Institute