Event between (523719) 14LM28 and star GA1300:04727789 with event index number of 1098108
Geocentric closest approach at 2021/04/08 15:35:05 UTC
J2000 position of star is 17:42:26.2 +40:11:51
Equinox of date position of star is 17:43:07.2 +40:11:20
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 89 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=22.6
TNO is 17.5 AU from the Sun
and 17.3 AU from the Earth.
The TNO is moving 34.8
km/sec on the sky relative to the star, or,
10.0 arcsec/hr.
The 1-sigma error in the time of the event is 67 seconds.
The 1-sigma cross-track error in the shadow position is
1220 km.
The TNO has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 1.8 sec chord
Diameter=25.8 km assuming a 30% albedo -- 0.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523719, (2021/04/08 15:35UT) Object RA Dec mag sep mel Vega 18:37:39.6 +38:48:16 0.0 10.60 79 Etamin 17:57:06.0 +51:29:14 2.2 11.55 90 PPM 080560 17:46:36.3 +38:52:27 6.5 1.48 88 PPM 080459 17:40:48.9 +39:44:30 8.3 0.63 89 PPM 056443 17:45:03.3 +40:26:21 9.2 0.44 89 PPM 080489 17:42:26.1 +39:58:37 11.1 0.25 89 523719 17:43:07.6 +40:11:19 13.2 89 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 523719, (2021/04/08 15:35UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 10.60 79 Etamin 17:56:36.3 +51:29:20 2.2 11.55 90 PPM 080560 17:45:53.7 +38:52:53 6.5 1.48 88 PPM 080459 17:40:07.1 +39:45:06 8.3 0.63 89 PPM 056443 17:44:22.1 +40:26:50 9.2 0.44 89 PPM 080489 17:41:44.4 +39:59:10 11.1 0.25 89 523719 17:42:26.2 +40:11:51 13.2 89 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:55:28 UT
Marc W. Buie, Southwest Research Institute