Event between (529938) 10TM182 and star GA1100:00421655 with event index number of 2443056
Geocentric closest approach at 2027/12/15 23:13:19 UTC
J2000 position of star is 03:39:41.4 +20:55:00
Equinox of date position of star is 03:41:05.0 +20:59:34
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 57 degrees from the moon.
Moon is 93% illuminated.
Apparent brightness V=22.2
Object is 33.1 AU from the Sun
and 32.2 AU from the Earth.
Apparent velocity is 21.6
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 135 seconds.
The 1-sigma cross-track error in the shadow position is
1539 km.
The object has an absolute magnitude Hv=7.0
Diameter=237.7 km assuming a 5% albedo -- 11.0 sec chord
Diameter=97.0 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
Star training set for 529938, (2027/12/15 23:14UT) Object RA Dec mag sep mel Aldebaran 04:37:31.7 +16:33:48 0.8 14.02 45 44Zet Per 03:55:53.8 +31:57:51 2.8 11.43 52 PPM 092695 03:40:37.8 +21:00:16 6.4 0.16 57 529938 03:41:19.2 +21:00:20 16.1 57 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 529938, (2027/12/15 23:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 14.02 45 44Zet Per 03:54:07.9 +31:53:01 2.8 11.43 52 PPM 092695 03:39:00.1 +20:54:55 6.4 0.16 57 529938 03:39:41.4 +20:55:00 16.1 57 Positions are for J2000
Event circumstances last updated at 2023/11/28 04:21:36 UT
Marc W. Buie, Southwest Research Institute