Event between (145451) 05RM43 and star GA1140:01607961 with event index number of 2469082
Geocentric closest approach at 2028/01/02 20:04:57 UTC
J2000 position of star is 05:54:07.9 +25:52:43
Equinox of date position of star is 05:55:38.4 +25:52:54
Stellar brightness G=13.4,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 29% illuminated.
Apparent brightness V=20.6
Object is 39.9 AU from the Sun
and 38.9 AU from the Earth.
Apparent velocity is 24.7
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 83 seconds.
The 1-sigma cross-track error in the shadow position is
1702 km.
The object has an absolute magnitude Hv=4.6
Diameter=721.1 km assuming a 5% albedo -- 29.3 sec chord
Diameter=294.4 km assuming a 30% albedo -- 12.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 145451, (2028/01/02 20:06UT) Object RA Dec mag sep mel Betelgeuse 05:56:41.3 +07:24:36 0.4 18.47 102 Alnath 05:28:03.9 +28:37:43 1.6 6.76 95 139 Tau 05:59:44.0 +25:57:17 4.7 0.87 102 PPM 095018 05:54:50.8 +26:26:58 8.1 0.61 101 PPM 095045 05:55:26.5 +26:01:06 9.8 0.17 101 PPM 095056 05:55:51.2 +26:01:33 11.7 0.14 101 145451 05:55:52.2 +25:52:55 13.4 102 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, (2028/01/02 20:06UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 18.47 102 Alnath 05:26:17.6 +28:36:23 1.6 6.76 95 139 Tau 05:57:59.6 +25:57:14 4.7 0.87 102 PPM 095018 05:53:06.0 +26:26:44 8.1 0.61 101 PPM 095045 05:53:42.1 +26:00:53 9.8 0.17 101 PPM 095056 05:54:06.9 +26:01:21 11.7 0.14 101 145451 05:54:07.9 +25:52:43 13.4 101 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:32:49 UT
Marc W. Buie, Southwest Research Institute