Event between (19308) 96TO66 and star GA1140:00157793 with event index number of 1479171
Geocentric closest approach at 2025/12/09 11:46:42 UTC
J2000 position of star is 01:12:35.6 +24:30:19
Equinox of date position of star is 01:13:53.9 +24:37:55
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 74% illuminated.
Apparent brightness V=21.7
Object is 47.8 AU from the Sun
and 47.2 AU from the Earth.
Apparent velocity is 15.8
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 156 seconds.
The 1-sigma cross-track error in the shadow position is
2494 km.
The object has an absolute magnitude Hv=4.8
Diameter=636.8 km assuming a 5% albedo -- 41.5 sec chord
Diameter=260.0 km assuming a 30% albedo -- 16.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 19308, (2025/12/09 11:49UT) Object RA Dec mag sep mel Aldebaran 04:37:24.7 +16:33:34 0.8 48.02 70 6Bet Ari 01:56:04.7 +20:56:02 2.6 10.38 105 85Phi Psc 01:15:09.8 +24:43:13 5.6 0.27 111 PPM 090519 01:10:41.8 +24:35:47 8.5 0.75 112 PPM 090562 01:13:47.0 +24:40:09 9.9 0.06 111 19308 01:14:00.4 +24:38:33 16.7 111 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 19308, (2025/12/09 11:49UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 48.02 70 6Bet Ari 01:54:38.5 +20:48:26 2.6 10.38 105 85Phi Psc 01:13:44.9 +24:35:01 5.6 0.27 111 PPM 090519 01:09:17.3 +24:27:31 8.5 0.75 112 PPM 090562 01:12:22.3 +24:31:55 9.9 0.06 111 19308 01:12:35.6 +24:30:19 16.7 111 Positions are for J2000
Event circumstances last updated at 2023/12/15 05:43:11 UT
Marc W. Buie, Southwest Research Institute