Event between (44594) 99OX3 and star GA1000:00120207 with event index number of 1026776
Geocentric closest approach at 2020/12/13 10:18:40 UTC
J2000 position of star is 01:19:44.2 +10:45:56
Equinox of date position of star is 01:20:50.3 +10:52:30
Stellar brightness G=14.9,
use SENSEUP=128
Star is 138 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=19.8
TNO is 17.9 AU from the Sun
and 17.4 AU from the Earth.
The TNO is moving 7.1
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is
693 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=224.9 km assuming a 5% albedo -- 31.7 sec chord
Diameter=91.8 km assuming a 30% albedo -- 12.9 sec chord
Dynamical classification is CENTAURR
Star training set for 44594, (2020/12/13 10:19UT) Object RA Dec mag sep mel Aldebaran 04:37:07.5 +16:32:59 0.8 47.90 174 6Bet Ari 01:55:48.1 +20:54:34 2.6 13.08 148 75 Psc 01:07:40.0 +13:04:04 6.1 3.90 135 PPM 117189 01:18:19.8 +10:42:24 8.4 0.64 137 PPM 117223 01:20:45.9 +11:04:02 9.0 0.19 138 PPM 117235 01:21:29.5 +10:48:58 11.1 0.17 138 44594 01:20:50.4 +10:52:30 14.9 138 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 44594, (2020/12/13 10:19UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 47.90 174 6Bet Ari 01:54:38.5 +20:48:26 2.6 13.08 148 75 Psc 01:06:33.7 +12:57:22 6.1 3.90 135 PPM 117189 01:17:13.7 +10:35:48 8.4 0.64 137 PPM 117223 01:19:39.6 +10:57:27 9.0 0.19 138 PPM 117235 01:20:23.3 +10:42:24 11.1 0.17 138 44594 01:19:44.2 +10:45:56 14.9 138 Positions are for J2000
Event circumstances last updated at 2020/12/04 19:31:05 UT
Marc W. Buie, Southwest Research Institute