Event between (470443) 07XV50 and star GA1240:01963304 with event index number of 2231053
Geocentric closest approach at 2027/03/28 19:59:17 UTC
J2000 position of star is 05:30:58.5 +35:41:19
Equinox of date position of star is 05:32:35.9 +35:42:18
Stellar brightness G=13.0,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 172 degrees from the moon.
Moon is 62% illuminated.
Apparent brightness V=21.5
Object is 47.3 AU from the Sun
and 47.5 AU from the Earth.
Apparent velocity is 11.6
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 604 seconds.
The 1-sigma cross-track error in the shadow position is
3370 km.
The object has an absolute magnitude Hv=4.6
Diameter=717.8 km assuming a 5% albedo -- 62.0 sec chord
Diameter=293.0 km assuming a 30% albedo -- 25.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 470443, (2027/03/28 20:00UT) Object RA Dec mag sep mel Aldebaran 04:37:29.2 +16:33:43 0.8 22.76 162 Alnath 05:28:01.0 +28:37:41 1.6 7.15 178 PPM 070537 05:35:27.0 +34:44:32 6.1 1.11 173 PPM 070497 05:33:32.8 +35:30:35 8.3 0.25 172 470443 05:32:48.2 +35:42:26 13.0 172 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 470443, (2027/03/28 20:00UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 22.76 162 Alnath 05:26:17.6 +28:36:23 1.6 7.15 178 PPM 070537 05:33:38.1 +34:43:32 6.1 1.11 173 PPM 070497 05:31:43.3 +35:29:30 8.3 0.25 172 470443 05:30:58.5 +35:41:19 13.0 172 Positions are for J2000
Event circumstances last updated at 2024/03/05 05:05:12 UT
Marc W. Buie, Southwest Research Institute