Event between 04HA79 and star GA0820:04614665 with event index number of 271043
Geocentric closest approach at 2020/06/22 13:10:30 UTC
J2000 position of star is 14:56:02.4 -07:29:08
Equinox of date position of star is 14:57:06.9 -07:33:59
Stellar brightness G=16.4,
use SENSEUP=128
Star is 116 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=26.3
TNO is 42.2 AU from the Sun
and 41.5 AU from the Earth.
The TNO is moving 16.0
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 261 seconds.
The 1-sigma cross-track error in the shadow position is
1834 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=196.8 km assuming a 5% albedo -- 3.8 sec chord
Diameter=80.3 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 04HA79, (2020/06/22 13:11UT) Object RA Dec mag sep mel Spica 13:26:16.5 -11:16:03 1.0 22.70 97 27Bet Lib 15:18:06.7 -09:27:26 2.6 5.52 122 19Del Lib 15:02:04.2 -08:35:57 4.9 1.60 118 PPM 198043 14:56:19.3 -07:22:30 8.1 0.28 116 PPM 198061 14:57:14.4 -07:27:13 9.5 0.12 116 04HA79 14:57:07.8 -07:34:03 16.4 116 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 04HA79, (2020/06/22 13:11UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 22.70 97 27Bet Lib 15:17:00.3 -09:22:59 2.6 5.52 122 19Del Lib 15:00:58.3 -08:31:08 4.9 1.60 118 PPM 198043 14:55:13.9 -07:17:35 8.1 0.28 116 PPM 198061 14:56:09.0 -07:22:19 9.5 0.12 116 04HA79 14:56:02.4 -07:29:08 16.4 116 Positions are for J2000
Event circumstances last updated at 2020/03/08 20:39:05 UT
Marc W. Buie, Southwest Research Institute