RECON: TNO occultation with 14BX64

Event between 14BX64 and star GA1020:03345745 with event index number of 1026775

Geocentric closest approach at 2020/12/08 19:03:01 UTC

J2000 position of star is 09:42:54.7 +13:55:41
Equinox of date position of star is 09:43:58.1 +13:50:19
Stellar brightness G=15.8, use SENSEUP=128
Star is 34 degrees from the moon. Moon is 42% illuminated.
TNO apparent brightness V=22.2

TNO is 42.1 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 7.8 km/sec on the sky relative to the star, or, 0.9 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 1995 km.

The TNO has an absolute magnitude Hv=5.8
Diameter=420.7 km assuming a 5% albedo -- 53.6 sec chord
Diameter=171.8 km assuming a 30% albedo -- 21.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 
 
 

Star training set for 14BX64, (2020/12/08 19:03UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:29.1 +11:51:51  1.3  6.50  28
16Psi Leo      09:44:52.2 +13:55:30  5.3  0.22  34
PPM 126734     09:44:44.6 +13:20:42  7.7  0.51  34
PPM 126726     09:44:13.7 +14:01:18  8.9  0.19  34
14BX64         09:44:03.0 +13:49:54 15.8        34
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 14BX64, (2020/12/08 19:03UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  6.50  28
16Psi Leo      09:43:43.9 +14:01:18  5.3  0.22  34
PPM 126734     09:43:36.5 +13:26:30  7.7  0.51  34
PPM 126726     09:43:05.3 +14:07:06  8.9  0.19  34
14BX64         09:42:54.7 +13:55:41 15.8        34
Positions are for J2000

Event circumstances last updated at 2019/06/08 00:42:55 UT

Marc W. Buie, Southwest Research Institute

RECON