Event between (69986) 98WW24 and star GA1020:02322344 with event index number of 1678710
Geocentric closest approach at 2027/04/25 13:04:57 UTC
J2000 position of star is 06:50:07.1 +12:15:07
Equinox of date position of star is 06:51:29.3 +12:13:19
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 160 degrees from the moon.
Moon is 79% illuminated.
Apparent brightness V=24.4
Object is 36.7 AU from the Sun
and 37.0 AU from the Earth.
Apparent velocity is 16.3
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 838 seconds.
The 1-sigma cross-track error in the shadow position is
4039 km.
The object has an absolute magnitude Hv=8.6
Diameter=131.8 km assuming a 5% albedo -- 7.1 sec chord
Diameter=53.8 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 3:2E
Star training set for 69986, (2027/04/25 13:05UT) Object RA Dec mag sep mel Betelgeuse 05:56:39.1 +07:24:35 0.4 14.37 160 Alhena 06:39:17.4 +16:22:25 1.9 5.12 166 31Xi Gem 06:46:49.4 +12:51:51 3.4 1.34 162 PPM 123113 06:51:33.8 +12:01:28 8.3 0.19 160 69986 06:51:38.8 +12:13:07 16.4 160 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 69986, (2027/04/25 13:05UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 14.37 160 Alhena 06:37:42.8 +16:23:57 1.9 5.12 166 31Xi Gem 06:45:17.2 +12:53:40 3.4 1.34 162 PPM 123113 06:50:02.2 +12:03:29 8.3 0.19 160 69986 06:50:07.1 +12:15:07 16.4 160 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:27:49 UT
Marc W. Buie, Southwest Research Institute