Event between (508869) 02VT130 and star GA1140:01657003 with event index number of 1494375
Geocentric closest approach at 2025/12/16 14:23:02 UTC
J2000 position of star is 05:56:56.9 +24:31:07
Equinox of date position of star is 05:58:21.9 +24:31:11
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=22.1
Object is 43.3 AU from the Sun
and 42.3 AU from the Earth.
Apparent velocity is 25.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 199 seconds.
The 1-sigma cross-track error in the shadow position is
1781 km.
The object has an absolute magnitude Hv=5.8
Diameter=436.5 km assuming a 5% albedo -- 15.9 sec chord
Diameter=178.2 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 508869, (2025/12/16 14:23UT) Object RA Dec mag sep mel Betelgeuse 05:56:34.7 +07:24:35 0.4 17.12 134 Alnath 05:27:56.1 +28:37:37 1.6 7.98 145 PPM 095124 05:58:31.5 +24:15:04 5.8 0.27 138 PPM 095144 05:59:12.6 +24:36:51 7.7 0.18 138 PPM 095119 05:58:16.1 +24:25:04 9.8 0.12 138 PPM 095126 05:58:39.3 +24:37:23 10.2 0.11 138 508869 05:58:32.5 +24:31:12 16.5 137 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 508869, (2025/12/16 14:23UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 17.12 134 Alnath 05:26:17.6 +28:36:23 1.6 7.98 145 PPM 095124 05:56:56.1 +24:14:59 5.8 0.27 138 PPM 095144 05:57:36.9 +24:36:47 7.7 0.18 138 PPM 095119 05:56:40.5 +24:24:58 9.8 0.12 138 PPM 095126 05:57:03.6 +24:37:18 10.2 0.11 138 508869 05:56:56.9 +24:31:07 16.5 138 Positions are for J2000
Event circumstances last updated at 2023/01/24 02:42:00 UT
Marc W. Buie, Southwest Research Institute