RECON: TNO occultation with 06BS284

Event between 06BS284 and star GA1000:03401528 with event index number of 1961966

Geocentric closest approach at 2021/06/07 13:53:14 UTC

J2000 position of star is 10:01:18.3 +11:58:39
Equinox of date position of star is 10:02:27.0 +11:52:26
Stellar brightness G=11.3, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 102 degrees from the moon. Moon is 7% illuminated.
TNO apparent brightness V=23.0

TNO is 41.0 AU from the Sun and 41.4 AU from the Earth.
The TNO is moving 14.1 km/sec on the sky relative to the star, or, 1.7 arcsec/hr.
The 1-sigma error in the time of the event is 341 seconds.
The 1-sigma cross-track error in the shadow position is 3134 km.

The TNO has an absolute magnitude Hv=6.7
Diameter=270.4 km assuming a 5% albedo -- 19.2 sec chord
Diameter=110.4 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 
 
 

Star training set for 06BS284, (2021/06/07 13:53UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:30.7 +11:51:42  1.3  1.73 104
27Nu Leo       09:59:22.4 +12:20:30  5.3  0.89 102
PPM 127043     10:03:04.8 +12:08:30  7.9  0.31 102
PPM 127011     10:01:22.2 +12:00:57  9.3  0.30 102
PPM 127016     10:01:39.3 +11:40:38 10.1  0.28 102
06BS284        10:02:27.2 +11:52:25 11.3       103
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 06BS284, (2021/06/07 13:53UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  1.73 104
27Nu Leo       09:58:13.3 +12:26:41  5.3  0.89 102
PPM 127043     10:01:55.9 +12:14:44  7.9  0.31 102
PPM 127011     10:00:13.2 +12:07:10  9.3  0.30 102
PPM 127016     10:00:30.5 +11:46:51 10.1  0.28 102
06BS284        10:01:18.3 +11:58:39 11.3       102
Positions are for J2000

Event circumstances last updated at 2021/05/18 00:33:05 UT

Marc W. Buie, Southwest Research Institute

RECON