RECON: TNO occultation with 533561

Event between (533561) 14JN80 and star GA0780:09628982 with event index number of 2586803

Geocentric closest approach at 2028/07/06 06:53:24 UTC

J2000 position of star is 18:08:33.2 -10:04:47
Equinox of date position of star is 18:09:54.3 -10:04:27
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 16 degrees from the moon. Moon is 100% illuminated.
Apparent brightness V=22.3

[RECON map]
Object is 37.3 AU from the Sun and 36.4 AU from the Earth.
Apparent velocity is 23.8 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 645 seconds.
The 1-sigma cross-track error in the shadow position is 5370 km.
The sky-plane scale is 26368.0 km/arcsec.

The object has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 12.0 sec chord
Diameter=117.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 533561, (2028/07/06 06:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.6 -26:29:34  0.9 28.56  30
35Eta Oph      17:12:00.9 -15:45:29  2.6 15.25  23
PPM 201392     18:07:40.6 -08:19:10  6.1  1.86  18
PPM 234074     18:09:52.3 -10:32:40  8.0  0.48  16
PPM 201431     18:10:11.5 -09:47:43  9.1  0.28  16
533561         18:10:07.6 -10:04:24 17.0        16
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 1.4 sigma about the mid-time.
The median site spacing is 19.6 km RECON observability=1.0 and success probability=2.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 06:53:09 -14.9 AT Up 29.1 175.0 Low 06:38:09 - 07:08:09 11945
Kelowna 06:53:06 -15.9 AT Up 30.0 176.0 Low 06:38:06 - 07:08:06 11894
Sleaford 06:52:28 -15.2 AT Up 27.3 190.9 Low 06:37:28 - 07:07:28 11891
Peachland 06:53:09 -15.9 AT Up 30.1 175.6 Up 06:38:09 - 07:08:09 11890
Summerland 06:53:07 -16.1 AT Up 30.2 175.7 Up 06:38:07 - 07:08:07 11881
Penticton 06:53:06 -16.2 AT Up 30.3 175.9 Up 06:38:06 - 07:08:06 11877
Oliver 06:53:07 -16.5 AT Up 30.7 175.8 Up 06:38:07 - 07:08:07 11857
Victoria 06:53:19 -16.3 AT Up 31.0 171.4 Up 06:38:19 - 07:08:19 11849
Anarchist Mountain Observatory 06:53:07 -16.7 AT Up 30.8 176.1 Up 06:38:07 - 07:08:07 11846
Okanogan 06:53:08 -17.3 AT Up 31.5 175.8 Up 06:38:08 - 07:08:08 11811
Brewster 06:53:09 -17.5 AT Up 31.7 175.5 Up 06:38:09 - 07:08:09 11797
Manson/Chelan 06:53:10 -17.6 AT Up 31.9 175.1 Up 06:38:10 - 07:08:10 11788
Wenatchee 06:53:10 -18.1 Dark Up 32.4 174.9 Up 06:38:10 - 07:08:10 11762
Ellensburg 06:53:12 -18.4 Dark Up 32.8 174.6 Up 06:38:12 - 07:08:12 11740
Yakima 06:53:12 -18.8 Dark Up 33.2 174.6 Up 06:38:12 - 07:08:12 11715
Toppenish/White Swan 06:53:12 -19.0 Dark Up 33.4 174.7 Up 06:38:12 - 07:08:12 11701
PNWRO 06:53:07 -19.7 Dark Up 33.9 176.5 Up 06:38:07 - 07:08:07 11666
The Dalles 06:53:15 -19.6 Dark Up 34.1 173.8 Up 06:38:15 - 07:08:15 11660
Maupin 06:53:14 -20.0 Dark Up 34.5 173.9 Up 06:38:14 - 07:08:14 11633
Sisters 06:53:16 -20.7 Dark Up 35.4 173.2 Up 06:38:16 - 07:08:16 11583
Bend 06:53:16 -21.0 Dark Up 35.6 173.5 Up 06:38:16 - 07:08:16 11566
Oregon Observatory 06:53:16 -21.2 Dark Up 35.8 173.3 Up 06:38:16 - 07:08:16 11556
Chiloquin 06:53:19 -22.3 Dark Up 37.1 172.7 Up 06:38:19 - 07:08:19 11474
Klamath Falls 06:53:19 -22.7 Dark Up 37.4 172.8 Up 06:38:19 - 07:08:19 11450
Cedarville 06:53:14 -23.7 Dark Up 38.2 174.7 Up 06:38:14 - 07:08:14 11390
Fall River/Burney 06:53:18 -23.9 Dark Up 38.6 173.2 Up 06:38:18 - 07:08:18 11367
Greenville 06:53:16 -24.8 Dark Up 39.6 173.6 Up 06:38:16 - 07:08:16 11301
Gimple 06:53:17 -24.8 Dark Up 39.6 173.7 Up 06:38:17 - 07:08:17 11300
Quincy 06:53:16 -25.0 Dark Up 39.8 173.6 Up 06:38:16 - 07:08:16 11287
Portola 06:53:16 -25.3 Dark Up 39.9 174.2 Up 06:38:16 - 07:08:16 11274
Reno 06:53:14 -25.7 Dark Up 40.2 175.0 Up 06:38:14 - 07:08:14 11249
Carson City 06:53:15 -26.0 Dark Up 40.6 175.0 Up 06:38:15 - 07:08:15 11223
Gardnerville 06:53:15 -26.3 Dark Up 40.9 175.1 Up 06:38:15 - 07:08:15 11205
Yerington 06:53:13 -26.3 Dark Up 40.8 175.8 Up 06:38:13 - 07:08:13 11203
Hawthorne 06:53:10 -26.9 Dark Up 41.3 176.5 Up 06:38:10 - 07:08:10 11165
Dunrhomin 06:52:23 -27.1 Dark Up 38.7 193.4 Up 06:37:23 - 07:07:23 11137
Lee Vining 06:53:12 -27.3 Dark Up 41.9 175.8 Up 06:38:12 - 07:08:12 11129
Nikitin 06:52:24 -27.2 Dark Up 38.9 193.4 Up 06:37:24 - 07:07:24 11124
CU-SBO 06:52:24 -27.3 Dark Up 39.0 193.3 Up 06:37:24 - 07:07:24 11120
Bishop 06:53:11 -28.1 Dark Up 42.5 176.7 Up 06:38:11 - 07:08:11 11077
Beatty 06:53:05 -28.9 Dark Up 43.0 178.9 Up 06:38:05 - 07:08:05 11026
Patrick 06:52:55 -30.9 Dark Up 44.5 182.8 Up 06:37:55 - 07:07:55 10880
Laughlin/Bullhead City 06:52:56 -31.0 Dark Up 44.7 181.8 Up 06:37:56 - 07:07:56 10869
Wildwood 06:53:12 -31.1 Dark Up 45.8 176.2 Up 06:38:12 - 07:08:12 10829
Lake Havasu City 06:52:56 -31.7 Dark Up 45.4 182.2 Up 06:37:56 - 07:07:56 10813
Idyllwild 06:53:06 -31.9 Dark Up 46.2 178.9 Up 06:38:06 - 07:08:06 10781
George/Scottsdale 06:52:47 -32.9 Dark Up 46.0 185.7 Up 06:37:47 - 07:07:47 10723
Calipatria 06:53:01 -32.8 Dark Up 46.8 180.5 Up 06:38:01 - 07:08:01 10718
Yuma 06:52:59 -33.4 Dark Up 47.2 181.8 Up 06:37:59 - 07:07:59 10673

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 533561, (2028/07/06 06:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 28.56  30
35Eta Oph      17:10:22.7 -15:43:29  2.6 15.25  23
PPM 201392     18:06:07.4 -08:19:27  6.1  1.86  18
PPM 234074     18:08:17.5 -10:33:03  8.0  0.48  16
PPM 201431     18:08:37.2 -09:48:06  9.1  0.28  16
533561         18:08:33.2 -10:04:47 17.0        16
Positions are for J2000

Event circumstances last updated at 2024/06/24 21:30:40 UT

Marc W. Buie, Southwest Research Institute

RECON