Event between (303775) 05QU182 and star GA0900:00159214 with event index number of 2183489
Geocentric closest approach at 2028/02/16 11:06:36 UTC
J2000 position of star is 01:54:38.1 +00:07:41
Equinox of date position of star is 01:55:51.9 +00:14:42
Stellar brightness G=11.9,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 59% illuminated.
Apparent brightness V=21.5
Object is 57.8 AU from the Sun
and 58.3 AU from the Earth.
Apparent velocity is 19.7
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 116 seconds.
The 1-sigma cross-track error in the shadow position is
2198 km.
The object has an absolute magnitude Hv=3.8
Diameter=1042.4 km assuming a 5% albedo -- 54.4 sec chord
Diameter=425.5 km assuming a 30% albedo -- 22.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 303775, (2028/02/16 11:06UT) Object RA Dec mag sep mel Aldebaran 04:37:32.3 +16:33:50 0.8 42.98 155 68Omi Cet 02:20:46.2 -02:51:03 2.0 6.91 154 PPM 145130 01:57:21.1 +01:59:16 6.1 1.75 156 PPM 145177 02:00:37.1 +00:38:33 8.2 1.20 155 PPM 145117 01:56:26.6 +00:20:34 9.3 0.12 155 303775 01:56:04.6 +00:15:54 11.9 155 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 303775, (2028/02/16 11:06UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 42.98 155 68Omi Cet 02:19:20.8 -02:58:45 2.0 6.91 154 PPM 145130 01:55:54.0 +01:51:04 6.1 1.75 156 PPM 145177 01:59:10.4 +00:30:25 8.2 1.20 155 PPM 145117 01:55:00.0 +00:12:21 9.3 0.12 155 303775 01:54:38.1 +00:07:41 11.9 155 Positions are for J2000
Event circumstances last updated at 2023/12/24 04:37:32 UT
Marc W. Buie, Southwest Research Institute