RECON: TNO occultation with 579077

Event between (579077) 14LP28 and star GA0860:17811360 with event index number of 2761086

Geocentric closest approach at 2029/05/13 21:22:44 UTC

J2000 position of star is 23:04:09.7 -02:08:12
Equinox of date position of star is 23:05:20.5 -02:00:45
Stellar brightness G=13.1, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 71 degrees from the moon. Moon is 0% illuminated.
Apparent brightness V=22.4

Object is 39.4 AU from the Sun and 39.8 AU from the Earth.
Apparent velocity is 16.7 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 391 seconds.
The 1-sigma cross-track error in the shadow position is 2869 km.

The object has an absolute magnitude Hv=6.3
Diameter=332.7 km assuming a 5% albedo -- 20.1 sec chord
Diameter=135.8 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 
 
 

Star training set for 579077, (2029/05/13 21:24UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:15.8 -29:27:56  1.2 27.53  85
Markab         23:06:13.5 +15:21:50  2.5 17.34  64
PPM 206984     22:59:46.3 -02:14:16  6.2  1.50  72
PPM 207018     23:01:20.3 -02:16:54  8.1  1.12  72
PPM 207107     23:05:35.5 -01:57:46  9.8  0.03  71
579077         23:05:40.3 -01:58:40 13.1        70
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 579077, (2029/05/13 21:24UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 27.53  85
Markab         23:04:45.8 +15:12:18  2.5 17.34  64
PPM 206984     22:58:15.5 -02:23:44  6.2  1.50  72
PPM 207018     22:59:49.5 -02:26:23  8.1  1.12  72
PPM 207107     23:04:04.9 -02:07:17  9.8  0.03  71
579077         23:04:09.7 -02:08:12 13.1        70
Positions are for J2000

Event circumstances last updated at 2022/12/13 21:30:51 UT

Marc W. Buie, Southwest Research Institute

RECON