Event between 05SD278 and star GA0920:00402419 with event index number of 1054314
Geocentric closest approach at 2019/09/29 20:02:15 UTC
J2000 position of star is 04:20:46.1 +03:08:25
Equinox of date position of star is 04:21:46.6 +03:11:07
Stellar brightness G=14.2,
use SENSEUP=64
Star is 137 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.9
TNO is 43.5 AU from the Sun
and 43.0 AU from the Earth.
The TNO is moving 13.8
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 229 seconds.
The 1-sigma cross-track error in the shadow position is
2990 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=319.2 km assuming a 5% albedo -- 23.2 sec chord
Diameter=130.3 km assuming a 30% albedo -- 9.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 05SD278, (2019/09/29 20:02UT) Object RA Dec mag sep mel Aldebaran 04:37:03.4 +16:32:51 0.8 13.88 132 67Bet Eri 05:08:49.3 -05:03:44 2.8 14.35 124 PPM 147584 04:29:33.5 +01:25:23 5.5 2.62 135 PPM 147431 04:20:40.5 +03:02:18 8.4 0.32 137 PPM 147451 04:21:57.6 +02:58:29 9.9 0.22 137 05SD278 04:21:48.2 +03:11:11 14.2 136 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 05SD278, (2019/09/29 20:02UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 13.88 132 67Bet Eri 05:07:50.9 -05:05:13 2.8 14.35 124 PPM 147584 04:28:32.1 +01:22:50 5.5 2.62 135 PPM 147431 04:19:38.5 +02:59:31 8.4 0.32 137 PPM 147451 04:20:55.6 +02:55:44 9.9 0.22 137 05SD278 04:20:46.1 +03:08:25 14.2 137 Positions are for J2000
Event circumstances last updated at 2019/03/29 21:50:16 UT
Marc W. Buie, Southwest Research Institute