Event between 01KO77 and star UC4-370-092597 with event index number of 97641
Geocentric closest approach at 2017/09/29 09:59:21 UTC
J2000 position of star is 17:32:41.7 -16:11:28
Equinox of date position of star is 17:33:38.6 -16:12:06
Stellar brightness R=13.1
Star is 27 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=23.6
TNO is 37.5 AU from the Sun
and 37.7 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 461 seconds.
The 1-sigma cross-track error in the shadow position is
3399 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=179.5 km assuming a 5% albedo -- 15.2 sec chord
Diameter=73.3 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 01KO77, (2017/09/29 09:59UT) Object RA Dec mag sep mel Antares 16:30:29.9 -26:28:12 0.9 17.92 41 35Eta Oph 17:11:23.8 -15:44:45 2.6 5.38 33 PPM 233351 17:38:37.3 -15:34:49 6.2 1.33 26 PPM 233161 17:31:29.5 -15:38:59 7.6 0.77 28 PPM 233213 17:33:21.9 -16:06:21 8.6 0.13 28 01KO77 17:33:43.1 -16:12:09 13.1 27 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 01KO77, (2017/09/29 09:59UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 17.92 41 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.38 33 PPM 233351 17:37:36.2 -15:34:16 6.2 1.33 26 PPM 233161 17:30:28.3 -15:38:14 7.6 0.77 28 PPM 233213 17:32:20.6 -16:05:38 8.6 0.13 28 01KO77 17:32:41.7 -16:11:28 13.1 27 Positions are for J2000
Event circumstances last updated at 2016/06/12 23:54:41 UT
Marc W. Buie, Southwest Research Institute