Event between (83982) Crantor and star GA0700:34510798 with event index number of 339181
Geocentric closest approach at 2019/05/01 16:06:39 UTC
J2000 position of star is 21:19:07.6 -19:19:59
Equinox of date position of star is 21:20:12.4 -19:15:04
Stellar brightness G=16.7,
use SENSEUP=128
Star is 47 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=21.9
TNO is 19.1 AU from the Sun
and 19.2 AU from the Earth.
The TNO is moving 10.1
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 771 seconds.
The 1-sigma cross-track error in the shadow position is
1283 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 10.3 sec chord
Diameter=42.8 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 83982, (2019/05/01 16:07UT) Object RA Dec mag sep mel Fomalhaut 22:58:42.9 -29:31:10 1.2 24.60 33 30 Cap 21:19:02.2 -17:54:12 5.4 1.38 47 PPM 272332 21:20:11.4 -20:01:24 7.9 0.77 47 PPM 238654 21:19:40.2 -19:09:07 10.0 0.16 47 83982 21:20:12.8 -19:15:02 16.7 46 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 83982, (2019/05/01 16:07UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 24.60 33 30 Cap 21:17:57.3 -17:59:07 5.4 1.38 47 PPM 272332 21:19:05.9 -20:06:21 7.9 0.77 47 PPM 238654 21:18:35.0 -19:14:02 10.0 0.16 47 83982 21:19:07.6 -19:19:59 16.7 47 Positions are for J2000
Event circumstances last updated at 2019/03/20 23:23:12 UT
Marc W. Buie, Southwest Research Institute