RECON: TNO occultation with 533562

Event between (533562) 14JQ80 and star GA0700:07965825 with event index number of 2243015

Geocentric closest approach at 2026/05/24 09:21:50 UTC

J2000 position of star is 17:06:39.9 -18:21:41
Equinox of date position of star is 17:07:57.2 -18:23:21
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 93 degrees from the moon. Moon is 60% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 32.9 AU from the Sun and 31.9 AU from the Earth.
The TNO is moving 22.9 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 182 seconds.
The 1-sigma cross-track error in the shadow position is 1450 km.
The sky-plane scale is 23170.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 8.9 sec chord
Diameter=83.0 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 533562, (2026/05/24 09:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:01.8 -26:29:18  0.9 11.79  85
35Eta Oph      17:11:53.6 -15:45:21  2.6  2.78  94
PPM 232651     17:09:47.0 -17:38:30  6.0  0.84  93
PPM 232626     17:08:41.6 -18:34:12  8.5  0.21  93
533562         17:08:12.4 -18:23:41 16.5        93
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 4.9 sigma about the mid-time.
The median site spacing is 15.0 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:21:16 -10.9 NT Down 17.5 199.6 Really Low 09:06:16 - 09:36:16 10218
Kamloops 09:21:57 -16.2 AT Down 20.8 185.5 Low 09:06:57 - 09:36:57 10147
Kelowna 09:21:53 -16.7 AT Down 21.5 186.5 Low 09:06:53 - 09:36:53 10118
Peachland 09:21:54 -16.9 AT Down 21.7 186.2 Low 09:06:54 - 09:36:54 10112
Summerland 09:21:54 -17.0 AT Down 21.8 186.3 Low 09:06:54 - 09:36:54 10107
Penticton 09:21:54 -17.1 AT Down 21.9 186.4 Low 09:06:54 - 09:36:54 10104
Oliver 09:21:54 -17.4 AT Down 22.2 186.4 Low 09:06:54 - 09:36:54 10090
Anarchist Mountain Observatory 09:21:53 -17.5 AT Down 22.4 186.6 Low 09:06:53 - 09:36:53 10084
Tonasket 09:21:53 -17.8 AT Down 22.7 186.5 Low 09:06:53 - 09:36:53 10070
Okanogan 09:21:54 -18.2 Dark Down 23.0 186.4 Low 09:06:54 - 09:36:54 10055
Victoria 09:22:05 -18.9 Dark Up 23.1 182.5 Low 09:07:05 - 09:37:05 10043
Brewster 09:21:54 -18.5 Dark Down 23.3 186.2 Low 09:06:54 - 09:36:54 10042
Manson/Chelan 09:21:55 -18.7 Dark Down 23.6 185.8 Low 09:06:55 - 09:36:55 10032
Wenatchee 09:21:55 -19.2 Dark Down 24.0 185.7 Low 09:06:55 - 09:36:55 10010
Ellensburg 09:21:56 -19.7 Dark Down 24.5 185.5 Low 09:06:56 - 09:36:56 9990
Yakima 09:21:56 -20.1 Dark Down 24.9 185.5 Low 09:06:56 - 09:36:56 9971
Toppenish/White Swan 09:21:54 -20.2 Dark Down 25.1 185.7 Low 09:06:54 - 09:36:54 9962
PNWRO 09:21:49 -20.2 Dark Down 25.3 187.2 Low 09:06:49 - 09:36:49 9951
Goldendale 09:21:55 -20.8 Dark Down 25.7 185.2 Low 09:06:55 - 09:36:55 9934
The Dalles 09:21:57 -21.1 Dark Down 25.9 184.9 Low 09:06:57 - 09:36:57 9921
Maupin 09:21:56 -21.5 Dark Down 26.3 185.0 Low 09:06:56 - 09:36:56 9902
Sisters 09:21:58 -22.5 Dark Down 27.2 184.5 Low 09:06:58 - 09:36:58 9856
Bend 09:21:57 -22.6 Dark Down 27.4 184.8 Low 09:06:57 - 09:36:57 9845
Oregon Observatory 09:21:58 -22.8 Dark Down 27.6 184.7 Low 09:06:58 - 09:36:58 9836
North Lake 09:21:55 -23.3 Dark Down 28.2 185.3 Low 09:06:55 - 09:36:55 9806
Chiloquin 09:21:58 -24.1 Dark Down 29.0 184.3 Low 09:06:58 - 09:36:58 9765
Lakeview 09:21:53 -24.1 Dark Down 29.2 185.9 Low 09:06:53 - 09:36:53 9752
Klamath Falls 09:21:58 -24.4 Dark Down 29.3 184.4 Low 09:06:58 - 09:36:58 9747
Cedarville 09:21:51 -24.7 Dark Down 29.9 186.2 Low 09:06:51 - 09:36:51 9718
Fall River/Burney 09:21:56 -25.5 Dark Down 30.5 184.9 Up 09:06:56 - 09:36:56 9684
Dunrhomin 09:20:58 -20.4 Dark Down 28.4 202.1 Low 09:05:58 - 09:35:58 9666
Susanville 09:21:53 -25.8 Dark Down 31.0 185.7 Up 09:06:53 - 09:36:53 9653
Gimple 09:21:53 -26.2 Dark Down 31.3 185.5 Up 09:06:53 - 09:36:53 9636
Greenville 09:21:54 -26.2 Dark Down 31.3 185.4 Up 09:06:54 - 09:36:54 9635
Quincy 09:21:54 -26.4 Dark Down 31.5 185.4 Up 09:06:54 - 09:36:54 9624
Portola 09:21:52 -26.4 Dark Down 31.6 185.9 Up 09:06:52 - 09:36:52 9619
Reno 09:21:50 -26.4 Dark Down 31.8 186.7 Up 09:06:50 - 09:36:50 9607
Carson City 09:21:49 -26.7 Dark Down 32.2 186.7 Up 09:06:49 - 09:36:49 9586
Yerington 09:21:47 -26.7 Dark Down 32.3 187.4 Up 09:06:47 - 09:36:47 9577
Gardnerville 09:21:49 -27.0 Dark Down 32.4 186.8 Up 09:06:49 - 09:36:49 9572
Hawthorne 09:21:44 -27.0 Dark Down 32.7 188.1 Up 09:06:44 - 09:36:44 9552
Tonopah 09:21:39 -27.0 Dark Down 33.0 189.7 Up 09:06:39 - 09:36:39 9530
Lee Vining 09:21:47 -27.7 Dark Down 33.3 187.6 Up 09:06:47 - 09:36:47 9516
Bishop 09:21:42 -28.0 Dark Down 33.8 188.4 Up 09:06:42 - 09:36:42 9482
Beatty 09:21:36 -27.9 Dark Down 34.1 190.3 Up 09:06:36 - 09:36:36 9460
Indian Springs 09:21:33 -27.8 Dark Down 34.3 191.5 Up 09:06:33 - 09:36:33 9443
Henderson 09:21:29 -28.0 Dark Down 34.7 192.4 Up 09:06:29 - 09:36:29 9410
Patrick 09:21:24 -28.1 Dark Down 35.1 193.7 Up 09:06:24 - 09:36:24 9373
Kingman/Dolan Springs 09:21:25 -28.4 Dark Down 35.3 193.6 Up 09:06:25 - 09:36:25 9358
Laughlin/Bullhead City 09:21:27 -28.6 Dark Down 35.4 193.0 Up 09:06:27 - 09:36:27 9355
Mohave Valley 09:21:27 -28.8 Dark Down 35.7 193.0 Up 09:06:27 - 09:36:27 9337
Lake Havasu City 09:21:25 -29.1 Dark Down 36.1 193.4 Up 09:06:25 - 09:36:25 9312
Parker 09:21:25 -29.4 Dark Down 36.4 193.5 Up 09:06:25 - 09:36:25 9288
Wildwood 09:21:42 -31.0 Dark Down 37.1 188.5 Up 09:06:42 - 09:36:42 9271
George/Scottsdale 09:21:16 -28.8 Dark Down 36.3 196.3 Up 09:06:16 - 09:36:16 9264
Idyllwild 09:21:35 -30.7 Dark Down 37.2 190.8 Up 09:06:35 - 09:36:35 9255
Calipatria 09:21:29 -30.8 Dark Down 37.6 192.2 Up 09:06:29 - 09:36:29 9216
Yuma 09:21:25 -30.8 Dark Down 37.9 193.3 Up 09:06:25 - 09:36:25 9189

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 533562, (2026/05/24 09:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 11.79  85
35Eta Oph      17:10:22.7 -15:43:29  2.6  2.78  94
PPM 232651     17:08:14.9 -17:36:33  6.0  0.84  93
PPM 232626     17:07:08.9 -18:32:13  8.5  0.21  93
533562         17:06:39.9 -18:21:41 16.5        93
Positions are for J2000

Event circumstances last updated at 2022/01/13 00:33:49 UT

Marc W. Buie, Southwest Research Institute

RECON