RECON: TNO occultation with 532094

Event between (532094) 13HX156 and star GA0800:05535327 with event index number of 2448772

Geocentric closest approach at 2028/07/11 05:24:57 UTC

J2000 position of star is 16:54:03.6 -08:45:57
Equinox of date position of star is 16:55:23.7 -08:48:15
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 85 degrees from the moon. Moon is 82% illuminated.
Apparent brightness V=22.6

[RECON map]
Object is 27.9 AU from the Sun and 27.1 AU from the Earth.
Apparent velocity is 19.2 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 227 seconds.
The 1-sigma cross-track error in the shadow position is 1793 km.
The sky-plane scale is 19623.5 km/arcsec.

The object has an absolute magnitude Hv=8.1
Diameter=141.3 km assuming a 5% albedo -- 7.4 sec chord
Diameter=57.7 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 532094, (2028/07/11 05:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.7 -26:29:34  0.9 18.61  90
13Zet Oph      16:38:44.0 -10:37:21  2.6  4.54  89
20 Oph         16:51:24.9 -10:49:52  4.6  2.27  86
PPM 200131     16:55:21.0 -09:00:56  8.5  0.22  85
PPM 200127     16:55:10.6 -08:46:58  9.5  0.11  86
532094         16:55:37.0 -08:48:37 16.5        85
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 4.0 sigma about the mid-time.
The median site spacing is 26.0 km RECON observability=0.5 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)
Kamloops 05:24:34 -9.0 NT Down 30.5 176.5 Up 05:09:34 - 05:39:34 10041
Kelowna 05:24:31 -10.0 NT Down 31.3 177.5 Up 05:09:31 - 05:39:31 9988
Peachland 05:24:32 -9.9 NT Down 31.4 177.1 Up 05:09:32 - 05:39:32 9984
Sleaford 05:23:43 -12.4 AT Up 28.4 192.5 Low 05:08:43 - 05:38:43 9981
Summerland 05:24:31 -10.1 NT Down 31.6 177.2 Up 05:09:31 - 05:39:31 9975
Penticton 05:24:32 -10.2 NT Down 31.7 177.3 Up 05:09:32 - 05:39:32 9970
Oliver 05:24:32 -10.5 NT Down 32.0 177.3 Up 05:09:32 - 05:39:32 9949
Victoria 05:24:46 -9.4 NT Down 32.5 172.9 Up 05:09:46 - 05:39:46 9944
Anarchist Mountain Observatory 05:24:31 -10.7 NT Down 32.2 177.5 Up 05:09:31 - 05:39:31 9938
Okanogan 05:24:32 -11.1 NT Down 32.8 177.3 Up 05:09:32 - 05:39:32 9902
Brewster 05:24:33 -11.2 NT Down 33.1 177.0 Up 05:09:33 - 05:39:33 9887
Manson/Chelan 05:24:35 -11.3 NT Down 33.3 176.6 Up 05:09:35 - 05:39:35 9878
Wenatchee 05:24:36 -11.6 NT Down 33.8 176.4 Up 05:09:36 - 05:39:36 9851
Ellensburg 05:24:38 -11.8 NT Down 34.2 176.1 Up 05:09:38 - 05:39:38 9828
Yakima 05:24:38 -12.1 AT Down 34.6 176.1 Up 05:09:38 - 05:39:38 9803
Toppenish/White Swan 05:24:38 -12.4 AT Down 34.8 176.3 Up 05:09:38 - 05:39:38 9788
PNWRO 05:24:31 -13.3 AT Down 35.2 178.0 Up 05:09:31 - 05:39:31 9751
The Dalles 05:24:40 -12.6 AT Down 35.5 175.3 Up 05:09:40 - 05:39:40 9746
Maupin 05:24:41 -13.0 AT Down 35.9 175.4 Up 05:09:41 - 05:39:41 9719
Sisters 05:24:42 -13.5 AT Down 36.8 174.7 Up 05:09:42 - 05:39:42 9667
Bend 05:24:43 -13.8 AT Down 37.1 175.0 Up 05:09:43 - 05:39:43 9649
Oregon Observatory 05:24:43 -13.8 AT Down 37.2 174.9 Up 05:09:43 - 05:39:43 9639
Chiloquin 05:24:46 -14.7 AT Down 38.5 174.3 Up 05:09:46 - 05:39:46 9555
Klamath Falls 05:24:45 -15.0 AT Down 38.8 174.3 Up 05:09:45 - 05:39:45 9530
Cedarville 05:24:39 -16.2 AT Down 39.6 176.3 Up 05:09:39 - 05:39:39 9467
Fall River/Burney 05:24:45 -16.1 AT Down 40.0 174.7 Up 05:09:45 - 05:39:45 9445
Greenville 05:24:43 -17.0 AT Down 41.0 175.2 Up 05:09:43 - 05:39:43 9376
Gimple 05:24:43 -17.0 AT Down 41.0 175.3 Up 05:09:43 - 05:39:43 9375
Quincy 05:24:43 -17.1 AT Down 41.2 175.2 Up 05:09:43 - 05:39:43 9361
Portola 05:24:41 -17.4 AT Down 41.3 175.8 Up 05:09:41 - 05:39:41 9348
Reno 05:24:39 -18.0 AT Down 41.6 176.7 Up 05:09:39 - 05:39:39 9322
Carson City 05:24:39 -18.3 Dark Down 42.0 176.7 Up 05:09:39 - 05:39:39 9295
Gardnerville 05:24:39 -18.5 Dark Down 42.2 176.7 Up 05:09:39 - 05:39:39 9277
Yerington 05:24:36 -18.7 Dark Down 42.2 177.5 Up 05:09:36 - 05:39:36 9274
Hawthorne 05:24:34 -19.3 Dark Down 42.7 178.2 Up 05:09:34 - 05:39:34 9234
Dunrhomin 05:23:35 -23.3 Dark Up 39.8 195.3 Up 05:08:35 - 05:38:35 9199
Lee Vining 05:24:38 -19.5 Dark Down 43.2 177.5 Up 05:09:38 - 05:39:38 9198
Nikitin 05:23:35 -23.4 Dark Up 40.0 195.3 Up 05:08:35 - 05:38:35 9186
CU-SBO 05:23:37 -23.5 Dark Up 40.0 195.3 Up 05:08:37 - 05:38:37 9182
Bishop 05:24:35 -20.4 Dark Down 43.9 178.5 Up 05:09:35 - 05:39:35 9144
Beatty 05:24:27 -21.5 Dark Up 44.3 180.7 Up 05:09:27 - 05:39:27 9090
Patrick 05:24:15 -24.1 Dark Up 45.7 184.7 Up 05:09:15 - 05:39:15 8939
Laughlin/Bullhead City 05:24:17 -23.9 Dark Up 46.0 183.7 Up 05:09:17 - 05:39:17 8928
Wildwood 05:24:37 -22.8 Dark Down 47.1 178.1 Up 05:09:37 - 05:39:37 8890
Lake Havasu City 05:24:18 -24.6 Dark Up 46.7 184.2 Up 05:09:18 - 05:39:18 8871
Idyllwild 05:24:28 -24.0 Dark Up 47.5 180.8 Up 05:09:28 - 05:39:28 8840
George/Scottsdale 05:24:06 -26.4 Dark Up 47.2 187.7 Up 05:09:06 - 05:39:06 8777
Calipatria 05:24:23 -25.1 Dark Up 48.1 182.5 Up 05:09:23 - 05:39:23 8775
Yuma 05:24:19 -25.9 Dark Up 48.5 183.9 Up 05:09:19 - 05:39:19 8728

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 532094, (2028/07/11 05:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.61  90
13Zet Oph      16:37:09.6 -10:34:01  2.6  4.54  89
20 Oph         16:49:50.2 -10:47:01  4.6  2.27  86
PPM 200131     16:53:47.5 -08:58:15  8.5  0.22  85
PPM 200127     16:53:37.3 -08:44:16  9.5  0.11  86
532094         16:54:03.6 -08:45:57 16.5        85
Positions are for J2000

Event circumstances last updated at 2024/06/24 21:31:54 UT

Marc W. Buie, Southwest Research Institute

RECON