RECON: TNO occultation with 14FB62

Event between 14FB62 and star GA0800:04403859 with event index number of 1061064

Geocentric closest approach at 2021/03/08 02:04:52 UTC

J2000 position of star is 13:39:49.8 -08:23:20
Equinox of date position of star is 13:40:56.3 -08:29:43
Stellar brightness G=14.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon. Moon is 28% illuminated.
TNO apparent brightness V=23.0

TNO is 32.8 AU from the Sun and 32.0 AU from the Earth.
The TNO is moving 17.6 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 331 seconds.
The 1-sigma cross-track error in the shadow position is 2830 km.

The TNO has an absolute magnitude Hv=7.8
Diameter=168.3 km assuming a 5% albedo -- 9.6 sec chord
Diameter=68.7 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 14FB62, (2021/03/08 02:05UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:18.7 -11:16:16  1.0  4.55  80
82 Vir         13:42:43.7 -08:48:33  5.0  0.54  77
PPM 196700     13:38:42.0 -07:58:44  7.3  0.76  78
PPM 196742     13:41:02.2 -08:48:14  9.4  0.31  77
14FB62         13:40:56.8 -08:29:45 14.8        77
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 14FB62, (2021/03/08 02:05UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0  4.55  80
82 Vir         13:41:36.6 -08:42:10  5.0  0.54  77
PPM 196700     13:37:35.2 -07:52:18  7.3  0.76  78
PPM 196742     13:39:55.2 -08:41:49  9.4  0.31  77
14FB62         13:39:49.8 -08:23:20 14.8        77
Positions are for J2000

Event circumstances last updated at 2021/01/19 20:51:59 UT

Marc W. Buie, Southwest Research Institute

RECON