RECON: TNO occultation with 533398

Event between (533398) 14GA54 and star GA0740:20423657 with event index number of 2769566

Geocentric closest approach at 2029/06/10 07:32:40 UTC

J2000 position of star is 18:28:57.0 -14:28:14
Equinox of date position of star is 18:30:20.7 -14:27:11
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon. Moon is 3% illuminated.
Apparent brightness V=22.1

[RECON map]
Object is 31.0 AU from the Sun and 30.0 AU from the Earth.
Apparent velocity is 22.1 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 398 seconds.
The 1-sigma cross-track error in the shadow position is 2021 km.
The sky-plane scale is 21784.8 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 9.8 sec chord
Diameter=88.1 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533398, (2029/06/10 07:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.1 -26:29:41  0.9 30.35 169
Nunki          18:57:05.3 -26:15:26  2.0 13.33 136
PPM 234686     18:34:24.2 -14:50:31  5.1  0.99 139
PPM 234611     18:31:27.5 -14:33:37  6.6  0.23 140
PPM 234601     18:30:54.0 -14:37:18  9.2  0.18 140
533398         18:30:37.6 -14:26:58 15.8       139
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 2.3 sigma about the mid-time.
The median site spacing is 20.1 km RECON observability=1.0 and success probability=1.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:33:01 -14.6 AT Down 22.8 168.5 Low 07:18:01 - 07:48:01 5769
Kamloops 07:33:46 -16.0 AT Down 21.2 153.7 Low 07:18:46 - 07:48:46 5677
Kelowna 07:33:45 -16.9 AT Down 22.2 154.5 Low 07:18:45 - 07:48:45 5642
Peachland 07:33:46 -17.0 AT Down 22.2 154.2 Low 07:18:46 - 07:48:46 5635
Summerland 07:33:46 -17.2 AT Down 22.4 154.2 Low 07:18:46 - 07:48:46 5629
Penticton 07:33:45 -17.2 AT Down 22.5 154.3 Low 07:18:45 - 07:48:45 5626
Oliver 07:33:46 -17.6 AT Down 22.8 154.3 Low 07:18:46 - 07:48:46 5608
Anarchist Mountain Observatory 07:33:46 -17.8 AT Down 23.0 154.4 Low 07:18:46 - 07:48:46 5601
Okanogan 07:33:47 -18.4 Dark Down 23.5 154.1 Low 07:18:47 - 07:48:47 5567
Victoria 07:33:49 -17.9 AT Down 22.2 150.3 Low 07:18:49 - 07:48:49 5561
Brewster 07:33:48 -18.7 Dark Down 23.7 153.9 Low 07:18:48 - 07:48:48 5553
Manson/Chelan 07:33:49 -18.8 Dark Down 23.8 153.4 Low 07:18:49 - 07:48:49 5540
Wenatchee 07:33:49 -19.3 Dark Down 24.1 153.2 Low 07:18:49 - 07:48:49 5515
Ellensburg 07:33:49 -19.7 Dark Down 24.4 152.9 Low 07:18:49 - 07:48:49 5493
Yakima 07:33:49 -20.1 Dark Down 24.8 152.8 Low 07:18:49 - 07:48:49 5471
Toppenish/White Swan 07:33:49 -20.3 Dark Down 25.1 152.9 Low 07:18:49 - 07:48:49 5460
PNWRO 07:33:49 -20.8 Dark Down 25.8 154.3 Low 07:18:49 - 07:48:49 5446
The Dalles 07:33:49 -21.0 Dark Down 25.5 151.9 Low 07:18:49 - 07:48:49 5416
Maupin 07:33:49 -21.4 Dark Down 25.9 151.9 Low 07:18:49 - 07:48:49 5393
Sisters 07:33:49 -22.3 Dark Down 26.5 151.2 Low 07:18:49 - 07:48:49 5344
Bend 07:33:49 -22.5 Dark Down 26.8 151.4 Low 07:18:49 - 07:48:49 5331
Oregon Observatory 07:33:49 -22.7 Dark Down 26.9 151.3 Low 07:18:49 - 07:48:49 5321
Chiloquin 07:34:04 -24.0 Dark Down 27.9 150.6 Low 07:19:04 - 07:49:04 5234
Klamath Falls 07:34:04 -24.3 Dark Down 28.3 150.6 Low 07:19:04 - 07:49:04 5214
Cedarville 07:33:49 -25.1 Dark Down 29.4 152.0 Low 07:18:49 - 07:48:49 5186
Fall River/Burney 07:34:06 -25.5 Dark Down 29.4 150.6 Low 07:19:06 - 07:49:06 5142
Dunrhomin 07:33:08 -26.2 Dark Down 34.5 168.0 Up 07:18:08 - 07:48:08 5132
Nikitin 07:33:09 -26.4 Dark Down 34.6 168.0 Up 07:18:09 - 07:48:09 5120
CU-SBO 07:33:09 -26.5 Dark Down 34.7 167.9 Up 07:18:09 - 07:48:09 5116
Gimple 07:34:05 -26.5 Dark Down 30.4 150.9 Up 07:19:05 - 07:49:05 5087
Greenville 07:34:05 -26.5 Dark Down 30.4 150.8 Up 07:19:05 - 07:49:05 5087
Quincy 07:34:06 -26.7 Dark Down 30.6 150.8 Up 07:19:06 - 07:49:06 5074
Portola 07:34:04 -26.8 Dark Down 30.8 151.2 Up 07:19:04 - 07:49:04 5069
Reno 07:33:49 -27.1 Dark Down 31.3 151.8 Up 07:18:49 - 07:48:49 5063
Carson City 07:33:49 -27.5 Dark Down 31.6 151.7 Up 07:18:49 - 07:48:49 5040
Yerington 07:33:49 -27.8 Dark Down 32.0 152.3 Up 07:18:49 - 07:48:49 5028
Gardnerville 07:33:49 -27.8 Dark Down 31.9 151.7 Up 07:18:49 - 07:48:49 5025
Hawthorne 07:33:49 -28.3 Dark Down 32.6 152.7 Up 07:18:49 - 07:48:49 4998
Lee Vining 07:33:49 -28.8 Dark Down 33.0 152.1 Up 07:18:49 - 07:48:49 4962
Bishop 07:33:49 -29.4 Dark Down 33.7 152.7 Up 07:18:49 - 07:48:49 4922
Beatty 07:33:49 -30.0 Dark Down 34.7 154.3 Up 07:18:49 - 07:48:49 4892
Patrick 07:33:46 -31.5 Dark Down 37.1 157.1 Up 07:18:46 - 07:48:46 4795
Laughlin/Bullhead City 07:33:49 -31.8 Dark Down 37.1 156.2 Up 07:18:49 - 07:48:49 4775
Lake Havasu City 07:33:49 -32.5 Dark Down 37.8 156.3 Up 07:18:49 - 07:48:49 4728
Wildwood 07:34:05 -32.7 Dark Down 36.6 151.4 Up 07:19:05 - 07:49:05 4682
George/Scottsdale 07:33:40 -33.2 Dark Down 39.2 158.9 Up 07:18:40 - 07:48:40 4677
Idyllwild 07:33:49 -33.2 Dark Down 37.6 153.3 Up 07:18:49 - 07:48:49 4670
Calipatria 07:33:49 -33.8 Dark Down 38.6 154.5 Up 07:18:49 - 07:48:49 4624
Yuma 07:33:49 -34.3 Dark Down 39.3 155.4 Up 07:18:49 - 07:48:49 4594

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 533398, (2029/06/10 07:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.35 169
Nunki          18:55:15.9 -26:17:49  2.0 13.33 136
PPM 234686     18:32:43.3 -14:51:57  5.1  0.99 139
PPM 234611     18:29:46.8 -14:34:55  6.6  0.23 140
PPM 234601     18:29:13.3 -14:38:35  9.2  0.18 140
533398         18:28:57.0 -14:28:14 15.8       140
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:00:48 UT

Marc W. Buie, Southwest Research Institute

RECON