Event between (69986) 98WW24 and star GA1020:02197398 with event index number of 1421523
Geocentric closest approach at 2024/11/21 23:11:58 UTC
J2000 position of star is 06:44:05.3 +12:42:21
Equinox of date position of star is 06:45:27.7 +12:40:46
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 39 degrees from the moon.
Moon is 61% illuminated.
Apparent brightness V=24.3
Object is 36.1 AU from the Sun
and 35.4 AU from the Earth.
Apparent velocity is 18.5
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 653 seconds.
The 1-sigma cross-track error in the shadow position is
4651 km.
The object has an absolute magnitude Hv=8.6
Diameter=131.8 km assuming a 5% albedo -- 6.3 sec chord
Diameter=53.8 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is 3:2E
Star training set for 69986, (2024/11/21 23:12UT) Object RA Dec mag sep mel Betelgeuse 05:56:31.2 +07:24:35 0.4 13.15 52 Alhena 06:39:09.0 +16:22:33 1.9 4.00 40 31Xi Gem 06:46:41.2 +12:52:01 3.4 0.35 39 32 Gem 06:47:18.1 +12:39:56 6.8 0.44 39 PPM 122934 06:44:53.8 +12:22:48 8.9 0.33 39 PPM 122945 06:45:08.8 +12:50:37 10.2 0.18 39 69986 06:45:29.2 +12:40:44 16.5 39 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, (2024/11/21 23:12UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 13.15 52 Alhena 06:37:42.8 +16:23:57 1.9 4.00 40 31Xi Gem 06:45:17.2 +12:53:40 3.4 0.35 39 32 Gem 06:45:54.2 +12:41:37 6.8 0.44 39 PPM 122934 06:43:30.1 +12:24:24 8.9 0.33 39 PPM 122945 06:43:44.8 +12:52:13 10.2 0.18 39 69986 06:44:05.3 +12:42:21 16.5 39 Positions are for J2000
Event circumstances last updated at 2024/06/12 03:40:52 UT
Marc W. Buie, Southwest Research Institute