RECON: TNO occultation with 14BV64

Event between 14BV64 and star UC4-444-051051A with event index number of 134294

Geocentric closest approach at 2018/02/19 19:12:41 UTC

J2000 position of star is 09:58:52.3 -01:12:02
Equinox of date position of star is 09:59:45.5 -01:17:03
Stellar brightness R=12.2, use SENSEUP=16
Star is 133 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=21.5

TNO is 47.5 AU from the Sun and 46.6 AU from the Earth.
The TNO is moving 26.0 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 210 seconds.
The 1-sigma cross-track error in the shadow position is 5001 km.

The TNO has an absolute magnitude Hv=4.7
Diameter=704.7 km assuming a 5% albedo -- 27.1 sec chord
Diameter=287.7 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 14BV64, (2018/02/19 19:13UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:20.2 +11:52:40  1.3 13.38 133
Alphard        09:28:28.7 -08:44:17  2.0 10.78 125
15Alp Sex      10:08:51.9 -00:27:40  4.4  2.41 135
PPM 178058     10:02:31.0 -01:06:22  7.5  0.70 133
PPM 178053     10:01:13.1 -01:08:41  9.8  0.38 133
PPM 178051     10:00:37.5 -01:27:19 11.1  0.27 133
14BV64         09:59:47.8 -01:17:17 12.2       133
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 14BV64, (2018/02/19 19:13UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 13.38 133
Alphard        09:27:35.2 -08:39:31  2.0 10.78 125
15Alp Sex      10:07:56.2 -00:22:19  4.4  2.41 135
PPM 178058     10:01:35.4 -01:01:05  7.5  0.70 133
PPM 178053     10:00:17.6 -01:03:25  9.8  0.38 133
PPM 178051     09:59:42.0 -01:22:04 11.1  0.27 133
14BV64         09:58:52.3 -01:12:02 12.2       132
Positions are for J2000

Event circumstances last updated at 2017/05/17 18:02:03 UT

Marc W. Buie, Southwest Research Institute

RECON