Event between 15BP518 and star GA0920:03774314 with event index number of 2638860
Geocentric closest approach at 2022/05/22 03:06:32 UTC
J2000 position of star is 13:23:44.7 +02:18:08
Equinox of date position of star is 13:24:52.5 +02:11:12
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 125 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=22.3
TNO is 42.7 AU from the Sun
and 42.0 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 151 seconds.
The 1-sigma cross-track error in the shadow position is
1786 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=387.3 km assuming a 5% albedo -- 21.9 sec chord
Diameter=158.1 km assuming a 30% albedo -- 8.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 15BP518, (2022/05/22 03:07UT) Object RA Dec mag sep mel Spica 13:26:22.5 -11:16:39 1.0 13.47 118 Vindemiatrix 13:03:17.5 +10:50:21 2.8 10.18 132 PPM 159692 13:22:50.0 +01:58:13 5.7 0.56 125 PPM 159721 13:24:47.5 +02:36:29 7.7 0.42 125 PPM 159711 13:23:38.7 +02:17:44 9.4 0.33 125 15BP518 13:24:53.1 +02:11:09 14.3 124 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 15BP518, (2022/05/22 03:07UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 13.47 118 Vindemiatrix 13:02:10.2 +10:57:33 2.8 10.18 132 PPM 159692 13:21:41.5 +02:05:13 5.7 0.56 125 PPM 159721 13:23:39.2 +02:43:28 7.7 0.42 125 PPM 159711 13:22:30.3 +02:24:44 9.4 0.33 125 15BP518 13:23:44.7 +02:18:08 14.3 125 Positions are for J2000
Event circumstances last updated at 2022/03/12 01:40:03 UT
Marc W. Buie, Southwest Research Institute