Event between 03YR179 and star GA1100:03139757 with event index number of 180104
Geocentric closest approach at 2019/02/24 15:40:05 UTC
J2000 position of star is 08:58:46.6 +21:55:28
Equinox of date position of star is 08:59:52.7 +21:50:57
Stellar brightness G=14.9,
use SENSEUP=128
Star is 92 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=23.5
TNO is 41.1 AU from the Sun
and 40.2 AU from the Earth.
The TNO is moving 22.8
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 401 seconds.
The 1-sigma cross-track error in the shadow position is
5005 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=207.0 km assuming a 5% albedo -- 9.1 sec chord
Diameter=84.5 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 03YR179, (2019/02/24 15:40UT) Object RA Dec mag sep mel Pollux 07:46:29.1 +27:58:42 1.1 17.71 110 77Xi Cnc 09:10:27.4 +21:58:01 5.1 2.46 90 PPM 099162 08:57:05.1 +21:37:04 8.5 0.69 93 PPM 099225 09:01:32.1 +21:51:27 10.0 0.38 92 03YR179 08:59:52.7 +21:50:57 14.9 92 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 03YR179, (2019/02/24 15:40UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 17.71 110 77Xi Cnc 09:09:21.5 +22:02:44 5.1 2.46 90 PPM 099162 08:55:58.9 +21:41:31 8.5 0.69 93 PPM 099225 09:00:25.9 +21:56:00 10.0 0.38 92 03YR179 08:58:46.6 +21:55:28 14.9 92 Positions are for J2000
Event circumstances last updated at 2019/02/22 20:22:09 UT
Marc W. Buie, Southwest Research Institute