Event between 15DW224 and star GA0880:04391015 with event index number of 1978472
Geocentric closest approach at 2022/05/30 23:14:55 UTC
J2000 position of star is 14:59:56.6 -01:38:29
Equinox of date position of star is 15:01:03.0 -01:43:32
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.3
TNO is 38.8 AU from the Sun
and 37.9 AU from the Earth.
The TNO is moving 21.9
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is
2388 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=307.6 km assuming a 5% albedo -- 14.1 sec chord
Diameter=125.6 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 15DW224, (2022/05/30 23:22UT) Object RA Dec mag sep mel Arcturus 14:16:41.1 +19:04:02 0.0 23.49 122 27Bet Lib 15:18:13.0 -09:27:51 2.6 8.83 152 PPM 179433 14:58:42.3 -00:15:24 5.5 1.59 143 PPM 179455 15:02:29.8 -02:50:33 7.7 1.17 145 PPM 179449 15:01:11.9 -01:57:37 9.8 0.23 144 15DW224 15:01:06.2 -01:43:46 16.0 145 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 15DW224, (2022/05/30 23:22UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 23.49 122 27Bet Lib 15:17:00.3 -09:22:59 2.6 8.83 152 PPM 179433 14:57:33.3 -00:10:04 5.5 1.59 143 PPM 179455 15:01:19.9 -02:45:18 7.7 1.17 145 PPM 179449 15:00:02.2 -01:52:21 9.8 0.23 144 15DW224 14:59:56.6 -01:38:29 16.0 144 Positions are for J2000
Event circumstances last updated at 2021/05/25 23:37:14 UT
Marc W. Buie, Southwest Research Institute