Event between (523719) 14LM28 and star GA1640:01533975 with event index number of 2292948
Geocentric closest approach at 2028/07/31 03:20:34 UTC
J2000 position of star is 20:02:32.0 +74:54:44
Equinox of date position of star is 20:02:02.5 +74:58:53
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 75% illuminated.
Apparent brightness V=23.7
Object is 22.8 AU from the Sun
and 22.8 AU from the Earth.
Apparent velocity is 22.4
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 484 seconds.
The 1-sigma cross-track error in the shadow position is
4750 km.
The object has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 2.8 sec chord
Diameter=25.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 523719, (2028/07/31 03:21UT) Object RA Dec mag sep mel Deneb 20:42:24.4 +45:23:01 1.3 29.94 92 Alderamin 21:19:15.4 +62:42:26 2.4 13.97 105 69 Dra 19:58:46.0 +76:33:37 6.2 1.58 107 PPM 010452 20:11:15.5 +74:03:58 8.5 1.12 106 PPM 010366 19:57:26.6 +74:56:37 9.2 0.30 106 PPM 010383 20:00:36.6 +74:45:16 10.9 0.25 106 523719 20:01:57.5 +74:59:35 16.2 106 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 523719, (2028/07/31 03:21UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 29.94 92 Alderamin 21:18:35.2 +62:35:09 2.4 13.97 105 69 Dra 19:59:36.4 +76:28:52 6.2 1.58 107 PPM 010452 20:11:39.7 +73:58:47 8.5 1.12 106 PPM 010366 19:58:02.0 +74:51:56 9.2 0.30 106 PPM 010383 20:01:09.4 +74:40:27 10.9 0.25 106 523719 20:02:32.0 +74:54:44 16.2 106 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:33:30 UT
Marc W. Buie, Southwest Research Institute