Event between (535230) 14YH50 and star GA1300:04053013 with event index number of 1618520
Geocentric closest approach at 2020/02/12 23:43:02 UTC
J2000 position of star is 09:49:59.2 +40:46:52
Equinox of date position of star is 09:51:11.1 +40:41:21
Stellar brightness G=15.7,
use SENSEUP=128
Star is 61 degrees from the moon.
Moon is 81% illuminated.
TNO apparent brightness V=22.3
TNO is 39.7 AU from the Sun
and 38.8 AU from the Earth.
The TNO is moving 25.4
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is
1937 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 13.0 sec chord
Diameter=135.2 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 535230, (2020/02/12 23:43UT) Object RA Dec mag sep mel Pollux 07:46:32.7 +27:58:34 1.1 28.50 81 Merak 11:03:02.6 +56:16:27 2.4 19.49 63 19 LMi 09:58:54.5 +40:57:32 5.1 1.48 59 PPM 051544 09:53:29.7 +40:52:31 7.8 0.47 60 PPM 051501 09:50:18.2 +40:57:49 10.0 0.33 61 PPM 051526 09:52:10.9 +40:28:53 11.1 0.27 60 535230 09:51:13.4 +40:41:11 15.7 60 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 535230, (2020/02/12 23:43UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 28.50 81 Merak 11:01:50.7 +56:22:57 2.4 19.49 63 19 LMi 09:57:40.8 +41:03:20 5.1 1.48 59 PPM 051544 09:52:15.5 +40:58:14 7.8 0.47 60 PPM 051501 09:49:03.8 +41:03:29 10.0 0.33 61 PPM 051526 09:50:56.8 +40:34:34 11.1 0.27 60 535230 09:49:59.2 +40:46:52 15.7 61 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:28:57 UT
Marc W. Buie, Southwest Research Institute