RECON: TNO occultation with 95626

Event between (95626) 02GZ32 and star GA0720:18267734 with event index number of 251971

Geocentric closest approach at 2020/03/14 22:55:22 UTC

J2000 position of star is 17:58:10.0 -17:59:26
Equinox of date position of star is 17:59:18.1 -17:59:28
Stellar brightness G=15.7, use SENSEUP=128
Star is 23 degrees from the moon. Moon is 66% illuminated.
TNO apparent brightness V=19.8

TNO is 18.0 AU from the Sun and 18.1 AU from the Earth.
The TNO is moving 10.6 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 234 seconds.
The 1-sigma cross-track error in the shadow position is 953 km.

The TNO has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 23.6 sec chord
Diameter=102.6 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 95626, (2020/03/14 22:55UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.0 -26:28:30  0.9 22.17   8
35Eta Oph      17:11:32.3 -15:44:55  2.6 11.65  12
PPM 233754     17:57:06.3 -18:48:14  6.5  0.97  22
PPM 233861     18:00:34.6 -18:12:22  8.5  0.36  23
PPM 233828     17:59:30.0 -17:56:00  9.7  0.07  23
95626          17:59:20.8 -17:59:28 15.7        23
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 95626, (2020/03/14 22:55UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.17   8
35Eta Oph      17:10:22.7 -15:43:29  2.6 11.65  12
PPM 233754     17:55:55.0 -18:48:08  6.5  0.97  22
PPM 233861     17:59:23.6 -18:12:22  8.5  0.36  23
PPM 233828     17:58:19.1 -17:55:59  9.7  0.07  23
95626          17:58:10.0 -17:59:26 15.7        23
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:22:10 UT

Marc W. Buie, Southwest Research Institute

RECON