Event between (2060) Chiron and star GA0940:00022519 with event index number of 1033159
Geocentric closest approach at 2021/01/07 18:58:54 UTC
J2000 position of star is 00:13:56.9 +04:15:29
Equinox of date position of star is 00:15:01.6 +04:22:29
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 148 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=19.0
TNO is 18.9 AU from the Sun
and 19.1 AU from the Earth.
The TNO is moving 12.0
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 59 seconds.
The 1-sigma cross-track error in the shadow position is
695 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=405.5 km assuming a 5% albedo -- 33.7 sec chord
Diameter=165.6 km assuming a 30% albedo -- 13.7 sec chord
Dynamical classification is CENTAURR
Star training set for 2060, (2021/01/07 18:59UT) Object RA Dec mag sep mel Fomalhaut 22:58:48.5 -29:30:38 1.2 38.50 117 Algenib 00:14:19.3 +15:18:01 2.8 10.93 149 44 Psc 00:26:28.9 +02:03:21 5.8 3.68 151 PPM 143311 00:17:02.1 +04:22:03 7.2 0.50 149 PPM 143254 00:13:44.0 +04:08:00 9.9 0.40 148 PPM 143268 00:14:36.8 +04:23:44 10.8 0.11 148 2060 00:15:01.7 +04:22:29 15.6 149 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 2060, (2021/01/07 18:59UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 38.50 117 Algenib 00:13:14.2 +15:11:01 2.8 10.93 149 44 Psc 00:25:24.2 +01:56:22 5.8 3.68 151 PPM 143311 00:15:57.3 +04:15:03 7.2 0.50 149 PPM 143254 00:12:39.3 +04:01:00 9.9 0.40 148 PPM 143268 00:13:32.0 +04:16:44 10.8 0.11 148 2060 00:13:56.9 +04:15:29 15.6 148 Positions are for J2000
Event circumstances last updated at 2020/12/30 19:55:37 UT
Marc W. Buie, Southwest Research Institute