Event between (527328) 07TK422 and star GA1120:00718010 with event index number of 2136456
Geocentric closest approach at 2028/09/20 18:27:58 UTC
J2000 position of star is 04:37:16.9 +22:15:45
Equinox of date position of star is 04:38:44.8 +22:18:37
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 6% illuminated.
Apparent brightness V=23.3
Object is 24.9 AU from the Sun
and 24.6 AU from the Earth.
Apparent velocity is 3.8
km/sec on the sky relative to the star, or,
0.8 arcsec/hr.
The 1-sigma error in the time of the event is 3531 seconds.
The 1-sigma cross-track error in the shadow position is
4090 km.
The object has an absolute magnitude Hv=9.1
Diameter=83.2 km assuming a 5% albedo -- 24.4 sec chord
Diameter=34.0 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is CENTAURR
Star training set for 527328, (2028/09/20 18:28UT) Object RA Dec mag sep mel Aldebaran 04:37:34.3 +16:33:54 0.8 5.76 136 3Iot Aur 04:58:52.1 +33:12:32 2.7 11.74 130 PPM 093646 04:39:57.7 +20:44:24 5.9 1.59 135 PPM 093627 04:38:00.3 +21:44:44 8.5 0.62 136 PPM 093635 04:38:50.2 +22:20:26 10.0 0.04 136 527328 04:39:00.0 +22:19:06 14.8 135 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 527328, (2028/09/20 18:28UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 5.76 136 3Iot Aur 04:56:59.6 +33:09:58 2.7 11.74 130 PPM 093646 04:38:15.8 +20:41:05 5.9 1.59 135 PPM 093627 04:36:17.7 +21:41:20 8.5 0.62 136 PPM 093635 04:37:07.1 +22:17:04 10.0 0.04 136 527328 04:37:16.9 +22:15:45 14.8 136 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:34:07 UT
Marc W. Buie, Southwest Research Institute