Event between (517717) 15KZ120 and star GA1460:02791199 with event index number of 2627808
Geocentric closest approach at 2024/03/02 20:48:25 UTC
J2000 position of star is 02:59:21.8 +57:16:02
Equinox of date position of star is 03:01:05.4 +57:21:25
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 58% illuminated.
TNO apparent brightness V=21.5
TNO is 12.5 AU from the Sun
and 12.6 AU from the Earth.
The TNO is moving 28.4
km/sec on the sky relative to the star, or,
11.2 arcsec/hr.
The 1-sigma error in the time of the event is 75 seconds.
The 1-sigma cross-track error in the shadow position is
1995 km.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 2.0 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.8 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2024/03/02 20:48UT) Object RA Dec mag sep mel Deneb 20:42:15.4 +45:22:04 1.3 55.39 94 Mirphak 03:26:03.7 +49:56:43 1.8 8.27 154 PPM 028337 03:17:40.2 +57:13:43 5.9 2.23 146 PPM 028152 03:01:39.3 +57:45:29 8.1 0.40 145 PPM 028173 03:03:32.8 +57:25:17 9.8 0.32 146 517717 03:01:11.7 +57:21:44 15.5 145 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, (2024/03/02 20:48UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 55.39 94 Mirphak 03:24:19.4 +49:51:40 1.8 8.27 154 PPM 028337 03:15:48.0 +57:08:27 5.9 2.23 146 PPM 028152 02:59:48.7 +57:39:47 8.1 0.40 145 PPM 028173 03:01:42.4 +57:19:38 9.8 0.32 146 517717 02:59:21.8 +57:16:02 15.5 145 Positions are for J2000
Event circumstances last updated at 2022/10/11 04:14:46 UT
Marc W. Buie, Southwest Research Institute