Event between (15875) 96TP66 and star GA1160:02638193 with event index number of 1478293
Geocentric closest approach at 2025/10/31 23:58:03 UTC
J2000 position of star is 06:57:46.6 +26:08:43
Equinox of date position of star is 06:59:01.6 +26:07:01
Stellar brightness G=15.4,
use SENSEUP=128
Star is 126 degrees from the moon.
Moon is 74% illuminated.
TNO apparent brightness V=25.1
TNO is 31.4 AU from the Sun
and 31.0 AU from the Earth.
The TNO is moving 7.8
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 3093 seconds.
The 1-sigma cross-track error in the shadow position is
4568 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=239.9 km assuming a 5% albedo -- 7.7 sec chord
Diameter=97.9 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
Star training set for 15875, (2025/10/31 23:58UT) Object RA Dec mag sep mel Pollux 07:46:53.8 +27:57:42 1.1 10.74 136 39 Gem 07:00:22.9 +26:02:40 6.5 0.24 126 15875 06:59:22.4 +26:06:33 15.4 126 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 15875, (2025/10/31 23:58UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 10.74 136 39 Gem 06:58:47.1 +26:04:53 6.5 0.24 126 15875 06:57:46.6 +26:08:43 15.4 126 Positions are for J2000
Event circumstances last updated at 2020/03/29 02:30:17 UT
Marc W. Buie, Southwest Research Institute