Event between 15BR518 and star GA0980:03765962 with event index number of 270240
Geocentric closest approach at 2019/01/30 03:34:13 UTC
J2000 position of star is 12:16:04.0 +09:04:44
Equinox of date position of star is 12:17:01.9 +08:58:26
Stellar brightness G=14.6,
use SENSEUP=128
Star is 67 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=22.4
TNO is 40.3 AU from the Sun
and 39.6 AU from the Earth.
The TNO is moving 14.8
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 347 seconds.
The 1-sigma cross-track error in the shadow position is
4247 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=326.6 km assuming a 5% albedo -- 22.1 sec chord
Diameter=133.3 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 7:4EEE
Star training set for 15BR518, (2019/01/30 03:34UT) Object RA Dec mag sep mel Spica 13:26:12.1 -11:15:37 1.0 26.55 43 Denebola 11:50:01.9 +14:27:55 2.1 8.59 75 12 Vir 12:14:24.2 +10:09:22 5.8 1.35 68 PPM 158627 12:14:48.7 +08:51:58 8.0 0.56 67 PPM 158656 12:16:47.2 +08:55:44 9.0 0.08 66 15BR518 12:17:02.3 +08:58:22 14.6 66 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 15BR518, (2019/01/30 03:34UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 26.55 43 Denebola 11:49:02.9 +14:34:17 2.1 8.59 75 12 Vir 12:13:25.8 +10:15:44 5.8 1.35 68 PPM 158627 12:13:50.2 +08:58:20 8.0 0.56 67 PPM 158656 12:15:48.8 +09:02:06 9.0 0.08 66 15BR518 12:16:04.0 +09:04:44 14.6 66 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:12:32 UT
Marc W. Buie, Southwest Research Institute