Event between (55638) 02VE95 and star GA0940:02797456 with event index number of 2250440
Geocentric closest approach at 2027/09/29 09:29:26 UTC
J2000 position of star is 07:31:39.9 +05:23:59
Equinox of date position of star is 07:32:57.1 +05:20:49
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 63 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=20.9
Object is 32.1 AU from the Sun
and 32.4 AU from the Earth.
Apparent velocity is 16.3
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 224 seconds.
The 1-sigma cross-track error in the shadow position is
2565 km.
The object has an absolute magnitude Hv=5.6
Diameter=524.8 km assuming a 5% albedo -- 28.1 sec chord
Diameter=214.3 km assuming a 30% albedo -- 11.5 sec chord
Dynamical classification is 3:2E
Star training set for 55638, (2027/09/29 09:29UT) Object RA Dec mag sep mel Pollux 07:47:00.9 +27:57:25 1.1 22.86 64 Alhena 06:39:18.8 +16:22:24 1.9 17.20 77 PPM 152982 07:38:03.3 +05:47:55 6.2 1.31 61 PPM 152849 07:34:20.8 +04:58:28 7.7 0.47 62 PPM 152815 07:33:25.0 +05:07:21 9.8 0.23 63 55638 07:33:08.5 +05:20:20 16.2 62 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 55638, (2027/09/29 09:29UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 22.86 64 Alhena 06:37:42.8 +16:23:57 1.9 17.20 77 PPM 152982 07:36:34.5 +05:51:44 6.2 1.31 61 PPM 152849 07:32:52.5 +05:02:09 7.7 0.47 62 PPM 152815 07:31:56.7 +05:11:00 9.8 0.23 63 55638 07:31:39.9 +05:23:59 16.2 63 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:32:42 UT
Marc W. Buie, Southwest Research Institute