Event between (120216) 04EW95 and star GA0420:21446769 with event index number of 2751604
Geocentric closest approach at 2029/05/16 08:05:06 UTC
J2000 position of star is 17:03:27.2 -47:49:45
Equinox of date position of star is 17:05:13.2 -47:51:39
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 7% illuminated.
Apparent brightness V=21.1
Object is 28.0 AU from the Sun
and 27.1 AU from the Earth.
Apparent velocity is 21.8
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 231 seconds.
The 1-sigma cross-track error in the shadow position is
2943 km.
The object has an absolute magnitude Hv=6.6
Diameter=287.1 km assuming a 5% albedo -- 13.3 sec chord
Diameter=117.2 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 3:2E
Star training set for 120216, (2029/05/16 08:04UT) Object RA Dec mag sep mel Antares 16:31:12.8 -26:29:40 0.9 22.41 162 The Sco 17:39:25.9 -43:00:48 1.9 7.65 161 PPM 322556 17:05:53.1 -47:11:58 6.4 0.67 155 PPM 322549 17:05:26.4 -48:22:33 6.8 0.51 154 PPM 322552 17:05:36.7 -47:34:21 9.4 0.30 155 120216 17:05:39.6 -47:52:06 13.2 155 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 120216, (2029/05/16 08:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.41 162 The Sco 17:37:19.2 -42:59:52 1.9 7.65 161 PPM 322556 17:03:41.6 -47:09:38 6.4 0.67 155 PPM 322549 17:03:13.2 -48:20:12 6.8 0.51 154 PPM 322552 17:03:24.7 -47:32:00 9.4 0.30 155 120216 17:03:27.2 -47:49:45 13.2 155 Positions are for J2000
Event circumstances last updated at 2023/07/08 02:31:02 UT
Marc W. Buie, Southwest Research Institute