Event between (517717) 15KZ120 and star GA1380:04953637 with event index number of 267359
Geocentric closest approach at 2019/04/24 23:18:13 UTC
J2000 position of star is 18:16:12.9 +49:02:34
Equinox of date position of star is 18:16:41.8 +49:03:01
Stellar brightness G=14.1,
use SENSEUP=64
Star is 72 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=19.7
TNO is 8.4 AU from the Sun
and 8.2 AU from the Earth.
The TNO is moving 38.2
km/sec on the sky relative to the star, or,
23.2 arcsec/hr.
The 1-sigma error in the time of the event is 24 seconds.
The 1-sigma cross-track error in the shadow position is
428 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=60.3 km assuming a 5% albedo -- 1.6 sec chord
Diameter=24.6 km assuming a 30% albedo -- 0.6 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2019/04/24 23:18UT) Object RA Dec mag sep mel Vega 18:37:35.6 +38:48:09 0.0 10.91 61 Etamin 17:57:03.3 +51:29:15 2.2 3.97 75 PPM 057038 18:22:02.2 +49:07:55 6.4 0.88 72 PPM 056969 18:17:23.7 +49:06:09 8.3 0.12 72 517717 18:16:42.6 +49:03:02 14.1 72 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 517717, (2019/04/24 23:18UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 10.91 61 Etamin 17:56:36.3 +51:29:20 2.2 3.97 75 PPM 057038 18:21:32.5 +49:07:19 6.4 0.88 72 PPM 056969 18:16:54.0 +49:05:40 8.3 0.12 72 517717 18:16:12.9 +49:02:34 14.1 72 Positions are for J2000
Event circumstances last updated at 2018/10/04 19:05:40 UT
Marc W. Buie, Southwest Research Institute