Event between (281371) 08FC76 and star GA1040:00809536 with event index number of 318428
Geocentric closest approach at 2019/01/06 23:47:48 UTC
J2000 position of star is 05:19:09.5 +14:05:06
Equinox of date position of star is 05:20:14.0 +14:06:13
Stellar brightness G=16.1,
use SENSEUP=128
Star is 143 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=19.9
TNO is 11.4 AU from the Sun
and 10.5 AU from the Earth.
The TNO is moving 18.7
km/sec on the sky relative to the star, or,
8.8 arcsec/hr.
The 1-sigma error in the time of the event is 52 seconds.
The 1-sigma cross-track error in the shadow position is
540 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 4.4 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 281371, (2019/01/06 23:48UT) Object RA Dec mag sep mel Aldebaran 04:37:00.8 +16:32:46 0.8 10.70 133 Bellatrix 05:26:09.1 +06:21:55 1.6 7.87 141 PPM 120962 05:28:19.2 +15:16:21 6.1 2.28 145 PPM 120823 05:20:12.6 +14:30:40 8.4 0.41 143 PPM 120838 05:21:18.4 +14:13:56 9.2 0.29 143 281371 05:20:14.3 +14:06:13 16.1 143 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 281371, (2019/01/06 23:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 10.70 133 Bellatrix 05:25:07.8 +06:20:58 1.6 7.87 141 PPM 120962 05:27:13.9 +15:15:27 6.1 2.28 145 PPM 120823 05:19:07.7 +14:29:34 8.4 0.41 143 PPM 120838 05:20:13.6 +14:12:51 9.2 0.29 143 281371 05:19:09.5 +14:05:06 16.1 143 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:06:30 UT
Marc W. Buie, Southwest Research Institute