Event between (60558) Echeclus and star GA1080:00711237 with event index number of 251880
Geocentric closest approach at 2020/03/11 13:05:20 UTC
J2000 position of star is 04:51:46.5 +18:11:00
Equinox of date position of star is 04:52:56.9 +18:12:57
Stellar brightness G=15.2,
use SENSEUP=128
Star is 124 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=20.2
TNO is 9.5 AU from the Sun
and 9.6 AU from the Earth.
The TNO is moving 13.1
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 28 seconds.
The 1-sigma cross-track error in the shadow position is
348 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=75.9 km assuming a 5% albedo -- 4.6 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 60558, (2020/03/11 13:05UT) Object RA Dec mag sep mel Aldebaran 04:37:04.9 +16:32:54 0.8 4.14 128 Alnath 05:27:34.2 +28:37:21 1.6 13.08 114 97 Tau 04:52:33.5 +18:52:21 5.1 0.66 124 PPM 120283 04:49:53.2 +18:44:29 7.8 0.90 124 PPM 120321 04:51:57.2 +18:21:25 9.8 0.28 124 60558 04:52:57.1 +18:12:58 15.2 123 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 60558, (2020/03/11 13:05UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 4.14 128 Alnath 05:26:17.5 +28:36:23 1.6 13.08 114 97 Tau 04:51:22.6 +18:50:23 5.1 0.66 124 PPM 120283 04:48:42.4 +18:42:26 7.8 0.90 124 PPM 120321 04:50:46.6 +18:19:26 9.8 0.28 124 60558 04:51:46.5 +18:11:00 15.2 124 Positions are for J2000
Event circumstances last updated at 2020/02/24 21:27:29 UT
Marc W. Buie, Southwest Research Institute