Event between (82157) 01FM185 and star GA0840:04296359 with event index number of 1787628
Geocentric closest approach at 2027/12/19 18:03:33 UTC
J2000 position of star is 13:33:03.5 -05:15:27
Equinox of date position of star is 13:34:20.0 -05:22:57
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 35 degrees from the moon.
Moon is 57% illuminated.
Apparent brightness V=23.0
Object is 37.4 AU from the Sun
and 37.9 AU from the Earth.
Apparent velocity is 18.4
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 281 seconds.
The 1-sigma cross-track error in the shadow position is
2186 km.
The object has an absolute magnitude Hv=7.1
Diameter=233.4 km assuming a 5% albedo -- 12.7 sec chord
Diameter=95.3 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 82157, (2027/12/19 18:00UT) Object RA Dec mag sep mel Spica 13:26:40.2 -11:18:23 1.0 6.22 34 80 Vir 13:36:58.8 -05:32:16 5.7 0.63 36 PPM 196597 13:33:19.8 -06:09:29 8.0 0.81 35 PPM 196634 13:35:16.7 -05:21:26 9.5 0.19 35 82157 13:34:30.9 -05:24:01 16.5 35 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 82157, (2027/12/19 18:00UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.22 34 80 Vir 13:35:31.3 -05:23:44 5.7 0.63 36 PPM 196597 13:31:52.2 -06:00:54 8.0 0.81 35 PPM 196634 13:33:49.3 -05:12:52 9.5 0.19 35 82157 13:33:03.5 -05:15:27 16.5 35 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:27:40 UT
Marc W. Buie, Southwest Research Institute