RECON: TNO occultation with 523713

Event between (523713) 14JX80 and star GA0940:07135183 with event index number of 2377903

Geocentric closest approach at 2028/04/07 10:06:12 UTC

J2000 position of star is 18:23:03.5 +05:13:23
Equinox of date position of star is 18:24:13.4 +05:14:12
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon. Moon is 94% illuminated.
Apparent brightness V=22.1

[RECON map]
Object is 37.1 AU from the Sun and 36.9 AU from the Earth.
Apparent velocity is 14.4 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 99 seconds.
The 1-sigma cross-track error in the shadow position is 2961 km.
The sky-plane scale is 26779.1 km/arcsec.

The object has an absolute magnitude Hv=6.2
Diameter=340.4 km assuming a 5% albedo -- 24.4 sec chord
Diameter=139.0 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is 5:2EEE+5:2EII
 
 
 
 
 
 

Star training set for 523713, (2028/04/07 10:06UT)
Object            RA         Dec     mag  sep  mel
Vega           18:37:53.7 +38:48:39  0.0 33.71 105
60Bet Oph      17:44:52.2 +04:33:27  2.8  9.88  96
PPM 165790     18:27:00.4 +08:03:00  5.6  2.88 107
PPM 165725     18:24:56.1 +05:20:54  7.7  0.16 106
PPM 165706     18:24:14.0 +05:14:54 10.0  0.05 106
523713         18:24:27.0 +05:14:22 17.0       107
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 5.0 sigma about the mid-time.
The median site spacing is 9.9 km RECON observability=1.0 and success probability=2.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:11:47 -18.8 Dark Up 36.0 138.6 Up 10:03:01 - 10:20:33 -6379
Dunrhomin 10:10:42 -25.9 Dark Up 44.7 132.0 Up 10:01:56 - 10:19:28 -6888
Nikitin 10:10:41 -26.0 Dark Up 44.8 131.8 Up 10:01:55 - 10:19:27 -6898
CU-SBO 10:10:40 -26.1 Dark Up 44.8 131.7 Up 10:01:54 - 10:19:26 -6906
Kamloops 10:11:47 -25.9 Dark Up 30.1 122.7 Up 10:03:01 - 10:20:33 -7226
Kelowna 10:11:42 -26.2 Dark Up 31.0 123.2 Up 10:02:56 - 10:20:28 -7235
Peachland 10:11:42 -26.4 Dark Up 30.9 122.8 Up 10:02:56 - 10:20:28 -7257
Penticton 10:11:41 -26.5 Dark Up 31.1 122.9 Up 10:02:55 - 10:20:27 -7261
Summerland 10:11:41 -26.5 Dark Up 31.0 122.9 Up 10:02:55 - 10:20:27 -7263
Oliver 10:11:39 -26.8 Dark Up 31.3 122.7 Up 10:02:53 - 10:20:25 -7284
Anarchist Mountain Observatory 10:11:38 -26.9 Dark Up 31.5 122.8 Up 10:02:52 - 10:20:24 -7286
Okanogan 10:11:33 -27.5 Dark Up 31.7 122.3 Up 10:02:47 - 10:20:19 -7338
Brewster 10:11:33 -27.8 Dark Up 31.7 121.9 Up 10:02:47 - 10:20:19 -7366
Manson/Chelan 10:11:32 -28.1 Dark Up 31.6 121.5 Up 10:02:46 - 10:20:18 -7398
Wenatchee 10:11:30 -28.6 Dark Up 31.8 121.0 Up 10:02:44 - 10:20:16 -7436
PNWRO 10:11:22 -29.1 Dark Up 33.3 121.6 Up 10:02:36 - 10:20:08 -7449
Ellensburg 10:11:28 -29.0 Dark Up 31.9 120.6 Up 10:02:42 - 10:20:14 -7474
Yakima 10:11:26 -29.3 Dark Up 32.0 120.4 Up 10:02:40 - 10:20:12 -7501
Toppenish/White Swan 10:11:25 -29.4 Dark Up 32.3 120.4 Up 10:02:39 - 10:20:11 -7505
Victoria 10:11:38 -28.8 Dark Up 29.4 118.7 Low 10:02:52 - 10:20:24 -7514
The Dalles 10:11:21 -30.4 Dark Up 32.1 119.2 Up 10:02:35 - 10:20:07 -7595
Maupin 10:11:18 -30.7 Dark Up 32.4 119.1 Up 10:02:32 - 10:20:04 -7616
George/Scottsdale 10:10:06 -34.2 Dark Up 44.1 119.6 Up 10:01:20 - 10:18:52 -7653
Sisters 10:11:14 -31.6 Dark Up 32.5 118.1 Up 10:02:28 - 10:20:00 -7697
Bend 10:11:12 -31.7 Dark Up 32.8 118.2 Up 10:02:26 - 10:19:58 -7698
Oregon Observatory 10:11:12 -31.9 Dark Up 32.8 118.0 Up 10:02:26 - 10:19:58 -7716
Patrick 10:10:20 -34.3 Dark Up 41.8 119.1 Up 10:01:34 - 10:19:06 -7717
Laughlin/Bullhead City 10:10:15 -34.9 Dark Up 41.4 118.2 Up 10:01:29 - 10:19:01 -7776
Cedarville 10:10:58 -33.2 Dark Up 34.7 117.7 Up 10:02:12 - 10:19:44 -7787
Lake Havasu City 10:10:11 -35.2 Dark Up 41.9 117.9 Up 10:01:25 - 10:18:57 -7790
Chiloquin 10:11:04 -33.1 Dark Up 33.1 116.8 Up 10:02:18 - 10:19:50 -7819
Beatty 10:10:30 -34.9 Dark Up 39.1 117.6 Up 10:01:44 - 10:19:16 -7835
Klamath Falls 10:11:02 -33.4 Dark Up 33.3 116.7 Up 10:02:16 - 10:19:48 -7835
Hawthorne 10:10:38 -34.8 Dark Up 37.0 117.1 Up 10:01:52 - 10:19:24 -7866
Yerington 10:10:44 -34.7 Dark Up 36.5 116.9 Up 10:01:58 - 10:19:30 -7872
Reno 10:10:46 -34.6 Dark Up 35.8 116.7 Up 10:02:00 - 10:19:32 -7880
Fall River/Burney 10:10:55 -34.2 Dark Up 34.1 116.3 Up 10:02:09 - 10:19:41 -7884
Yuma 10:09:58 -36.7 Dark Up 42.5 116.1 Up 10:01:12 - 10:18:44 -7894
Carson City 10:10:43 -34.8 Dark Up 36.0 116.5 Up 10:01:57 - 10:19:29 -7899
Portola 10:10:47 -34.7 Dark Up 35.2 116.3 Up 10:02:01 - 10:19:33 -7903
Gimple 10:10:49 -34.6 Dark Up 34.8 116.2 Up 10:02:03 - 10:19:35 -7907
Gardnerville 10:10:42 -35.0 Dark Up 36.1 116.4 Up 10:01:56 - 10:19:28 -7910
Greenville 10:10:50 -34.7 Dark Up 34.8 116.1 Up 10:02:04 - 10:19:36 -7912
Bishop 10:10:32 -35.5 Dark Up 37.7 116.5 Up 10:01:46 - 10:19:18 -7913
Quincy 10:10:48 -34.8 Dark Up 34.8 116.0 Up 10:02:02 - 10:19:34 -7923
Lee Vining 10:10:35 -35.4 Dark Up 37.0 116.3 Up 10:01:49 - 10:19:21 -7926
Calipatria 10:10:05 -36.9 Dark Up 41.6 115.7 Up 10:01:19 - 10:18:51 -7936
Idyllwild 10:10:11 -37.2 Dark Up 40.5 115.2 Up 10:01:25 - 10:18:57 -7988
Wildwood 10:10:11 -38.1 Dark Up 38.9 113.9 Up 10:01:25 - 10:18:57 -8093

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 523713, (2028/04/07 10:06UT)
Object            RA         Dec     mag  sep  mel
Vega           18:36:56.7 +38:47:07  0.0 33.71 105
60Bet Oph      17:43:28.3 +04:34:06  2.8  9.88  96
PPM 165790     18:25:38.8 +08:01:55  5.6  2.88 107
PPM 165725     18:23:32.6 +05:19:55  7.7  0.16 106
PPM 165706     18:22:50.5 +05:13:56 10.0  0.05 106
523713         18:23:03.5 +05:13:23 17.0       106
Positions are for J2000

Event circumstances last updated at 2023/08/24 02:42:37 UT

Marc W. Buie, Southwest Research Institute

RECON