Event between (145451) 05RM43 and star GA1100:00988564 with event index number of 2468688
Geocentric closest approach at 2023/03/08 15:28:48 UTC
J2000 position of star is 05:16:50.6 +21:18:57
Equinox of date position of star is 05:18:13.5 +21:20:22
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=20.6
Object is 38.2 AU from the Sun
and 38.1 AU from the Earth.
Apparent velocity is 5.1
km/sec on the sky relative to the star, or,
0.7 arcsec/hr.
The 1-sigma error in the time of the event is 313 seconds.
The 1-sigma cross-track error in the shadow position is
1597 km.
The object has an absolute magnitude Hv=4.6
Diameter=721.1 km assuming a 5% albedo -- 140.7 sec chord
Diameter=294.4 km assuming a 30% albedo -- 57.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 145451, (2023/03/08 15:27UT) Object RA Dec mag sep mel Aldebaran 04:37:15.2 +16:33:15 0.8 10.80 111 Alnath 05:27:45.6 +28:37:30 1.6 7.60 97 109 Tau 05:20:40.3 +22:07:06 4.9 0.96 100 PPM 094251 05:19:55.0 +21:48:55 7.8 0.62 100 PPM 094202 05:16:33.2 +21:30:04 9.5 0.42 101 PPM 094227 05:18:00.5 +21:15:21 10.6 0.10 101 145451 05:18:13.7 +21:20:23 17.0 100 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 145451, (2023/03/08 15:27UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 10.80 111 Alnath 05:26:17.6 +28:36:23 1.6 7.60 97 109 Tau 05:19:16.6 +22:05:45 4.9 0.96 100 PPM 094251 05:18:31.6 +21:47:33 7.8 0.62 100 PPM 094202 05:15:10.0 +21:28:35 9.5 0.42 101 PPM 094227 05:16:37.4 +21:13:55 10.6 0.10 101 145451 05:16:50.6 +21:18:57 17.0 100 Positions are for J2000
Event circumstances last updated at 2023/02/10 03:58:45 UT
Marc W. Buie, Southwest Research Institute