RECON: TNO occultation with 535029

Event between (535029) 14WG510 and star GA0940:00569789 with event index number of 1616478

Geocentric closest approach at 2020/03/12 18:08:44 UTC

J2000 position of star is 05:01:59.2 +05:14:53
Equinox of date position of star is 05:03:01.5 +05:16:30
Stellar brightness G=15.9, use SENSEUP=128
Star is 139 degrees from the moon. Moon is 87% illuminated.
TNO apparent brightness V=22.6

TNO is 37.6 AU from the Sun and 37.7 AU from the Earth.
The TNO is moving 12.1 km/sec on the sky relative to the star, or, 1.6 arcsec/hr.
The 1-sigma error in the time of the event is 224 seconds.
The 1-sigma cross-track error in the shadow position is 2529 km.

The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 22.7 sec chord
Diameter=112.4 km assuming a 30% albedo -- 9.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 
 
 

Star training set for 535029, (2020/03/12 18:09UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.9 +16:32:54  0.8 12.95 146
Bellatrix      05:26:12.9 +06:21:59  1.6  5.86 134
PPM 148183     04:57:02.8 +05:25:46  6.3  1.50 141
PPM 148292     05:01:34.1 +05:07:38  8.4  0.40 140
PPM 148345     05:03:25.7 +05:14:40  9.3  0.10 139
535029         05:03:03.7 +05:16:33 15.9       139
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 535029, (2020/03/12 18:09UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 12.95 146
Bellatrix      05:25:07.8 +06:20:58  1.6  5.86 134
PPM 148183     04:55:58.3 +05:23:56  6.3  1.50 141
PPM 148292     05:00:29.7 +05:05:55  8.4  0.40 140
PPM 148345     05:02:21.2 +05:13:00  9.3  0.10 139
535029         05:01:59.2 +05:14:53 15.9       139
Positions are for J2000

Event circumstances last updated at 2019/07/02 02:32:35 UT

Marc W. Buie, Southwest Research Institute

RECON