Event between 01KD77 and star UC4-342-144764 with event index number of 122484
Geocentric closest approach at 2017/08/03 11:02:12 UTC
J2000 position of star is 18:29:20.6 -21:44:24
Equinox of date position of star is 18:30:23.2 -21:43:39
Stellar brightness R=15.9,
use SENSEUP=128
Star is 14 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=21.3
TNO is 36.3 AU from the Sun
and 35.5 AU from the Earth.
The TNO is moving 19.0
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 318 seconds.
The 1-sigma cross-track error in the shadow position is
1740 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=461.3 km assuming a 5% albedo -- 24.3 sec chord
Diameter=188.3 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is 3:2E
Star training set for 01KD77, (2017/08/03 11:02UT) Object RA Dec mag sep mel Antares 16:30:29.3 -26:28:10 0.9 27.71 16 Nunki 18:56:21.3 -26:16:24 2.0 7.47 21 21 Sgr 18:26:23.9 -20:31:51 4.1 1.52 13 PPM 268516 18:32:32.1 -21:14:09 8.3 0.70 14 PPM 268477 18:30:31.0 -21:37:25 9.1 0.11 14 01KD77 18:30:24.0 -21:43:39 15.9 14 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 01KD77, (2017/08/03 11:02UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.71 16 Nunki 18:55:15.9 -26:17:49 2.0 7.47 21 21 Sgr 18:25:21.1 -20:32:31 4.1 1.52 13 PPM 268516 18:31:29.0 -21:14:58 8.3 0.70 14 PPM 268477 18:29:27.7 -21:38:11 9.1 0.11 14 01KD77 18:29:20.6 -21:44:24 15.9 14 Positions are for J2000
Event circumstances last updated at 2017/05/13 17:32:10 UT
Marc W. Buie, Southwest Research Institute