RECON: TNO occultation with 02VD130

Event between 02VD130 and star UC4-584-024883 with event index number of 89005

Geocentric closest approach at 2017/03/27 19:40:14 UTC

J2000 position of star is 06:07:12.4 +26:38:42
Equinox of date position of star is 06:08:13.0 +26:38:31
Stellar brightness R=15.2
Star is 89 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.4

TNO is 32.4 AU from the Sun and 32.4 AU from the Earth.
The TNO is moving 8.5 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 1173 seconds.
The 1-sigma cross-track error in the shadow position is 3750 km.

The TNO has an absolute magnitude Hv=7.1
Diameter=234.4 km assuming a 5% albedo -- 27.6 sec chord
Diameter=95.7 km assuming a 30% albedo -- 11.3 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 
 
 

Star training set for 02VD130, (2017/03/27 19:40UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:06.3 +07:24:32  0.4 19.45  85
Alnath         05:27:23.0 +28:37:14  1.6  9.27  80
PPM 095226     06:02:05.5 +27:34:19  6.0  1.66  87
PPM 095423     06:08:24.6 +26:40:44  7.0  0.05  89
02VD130        06:08:16.9 +26:38:30 15.2        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.

Event circumstances last updated at 2016/03/12 18:20:15 UT

RECON