Event between (341520) Mors-Somnus and star GA1020:00507280 with event index number of 2200854
Geocentric closest approach at 2027/10/26 16:16:30 UTC
J2000 position of star is 04:37:29.0 +12:50:32
Equinox of date position of star is 04:38:50.3 +12:53:22
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 105 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=21.6
Object is 29.5 AU from the Sun
and 28.7 AU from the Earth.
Apparent velocity is 18.5
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 113 seconds.
The 1-sigma cross-track error in the shadow position is
1308 km.
The object has an absolute magnitude Hv=6.8
Diameter=257.0 km assuming a 5% albedo -- 14.2 sec chord
Diameter=104.9 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E
Star training set for 341520, (2027/10/26 16:13UT) Object RA Dec mag sep mel Aldebaran 04:37:31.2 +16:33:47 0.8 3.69 105 Bellatrix 05:26:37.5 +06:22:21 1.6 13.41 93 90 Tau 04:39:42.9 +12:33:52 4.3 0.37 105 PPM 120109 04:40:42.2 +13:03:20 7.5 0.43 104 90 Tau 04:39:42.9 +12:33:52 4.3 0.37 105 PPM 120083 04:38:57.6 +12:32:29 10.3 0.36 105 341520 04:39:02.5 +12:53:47 16.9 104 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 341520, (2027/10/26 16:13UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 3.69 105 Bellatrix 05:25:07.8 +06:20:58 1.6 13.41 93 90 Tau 04:38:09.6 +12:30:39 4.3 0.37 105 PPM 120109 04:39:08.6 +13:00:09 7.5 0.43 104 90 Tau 04:38:09.6 +12:30:39 4.3 0.37 105 PPM 120083 04:37:24.4 +12:29:14 10.3 0.36 105 341520 04:37:29.0 +12:50:32 16.9 105 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:33:27 UT
Marc W. Buie, Southwest Research Institute