Event between (504847) 10RE188 and star GA1000:00202101 with event index number of 2451785
Geocentric closest approach at 2027/12/06 23:17:08 UTC
J2000 position of star is 02:18:24.9 +10:26:54
Equinox of date position of star is 02:19:38.6 +10:33:11
Stellar brightness G=12.5,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 44 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=22.4
TNO is 39.2 AU from the Sun
and 38.5 AU from the Earth.
The TNO is moving 18.5
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 137 seconds.
The 1-sigma cross-track error in the shadow position is
1678 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=331.1 km assuming a 5% albedo -- 16.7 sec chord
Diameter=135.2 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 504847, (2027/12/06 23:20UT) Object RA Dec mag sep mel Aldebaran 04:37:31.6 +16:33:48 0.8 33.93 77 6Bet Ari 01:56:11.3 +20:56:37 2.6 11.83 41 24Xi Ari 02:26:19.1 +10:44:08 5.5 1.58 45 PPM 118174 02:24:44.2 +10:57:45 8.4 1.25 45 PPM 118104 02:19:16.7 +10:35:27 9.1 0.16 43 504847 02:19:54.8 +10:34:33 12.5 44 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 504847, (2027/12/06 23:20UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 33.93 77 6Bet Ari 01:54:38.5 +20:48:26 2.6 11.83 41 24Xi Ari 02:24:49.1 +10:36:38 5.5 1.58 45 PPM 118174 02:23:14.1 +10:50:12 8.4 1.25 45 PPM 118104 02:17:46.9 +10:27:47 9.1 0.16 43 504847 02:18:24.9 +10:26:54 12.5 44 Positions are for J2000
Event circumstances last updated at 2022/11/25 02:57:22 UT
Marc W. Buie, Southwest Research Institute