RECON: TNO occultation with 04QQ26

Event between 04QQ26 and star GA0880:07416191 with event index number of 293735

Geocentric closest approach at 2020/06/10 02:51:12 UTC

J2000 position of star is 18:14:36.3 -01:36:03
Equinox of date position of star is 18:15:36.8 -01:35:37
Stellar brightness G=16.1, use SENSEUP=128
Star is 47 degrees from the moon. Moon is 79% illuminated.
TNO apparent brightness V=23.0

TNO is 22.0 AU from the Sun and 21.0 AU from the Earth.
The TNO is moving 22.2 km/sec on the sky relative to the star, or, 5.2 arcsec/hr.
The 1-sigma error in the time of the event is 825 seconds.
The 1-sigma cross-track error in the shadow position is 3348 km.

The TNO has an absolute magnitude Hv=9.5
Diameter=74.5 km assuming a 5% albedo -- 3.4 sec chord
Diameter=30.4 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 
 
 

Star training set for 04QQ26, (2020/06/10 02:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.8 -26:28:32  0.9 35.42  64
60Bet Oph      17:44:29.0 +04:33:37  2.8  9.93  56
PPM 201570     18:17:57.4 -03:00:01  5.9  1.52  46
PPM 180274     18:14:19.7 -01:42:46  7.7  0.35  47
04QQ26         18:15:39.9 -01:35:36 16.1        47
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 04QQ26, (2020/06/10 02:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 35.42  64
60Bet Oph      17:43:28.3 +04:34:05  2.8  9.93  56
PPM 201570     18:16:53.1 -03:00:32  5.9  1.52  46
PPM 180274     18:13:16.1 -01:43:11  7.7  0.35  47
04QQ26         18:14:36.3 -01:36:03 16.1        47
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:48:30 UT

Marc W. Buie, Southwest Research Institute

RECON