RECON: TNO occultation with 523717

Event between (523717) 14KY101 and star GA0680:10697602 with event index number of 2616000

Geocentric closest approach at 2022/06/13 10:07:57 UTC

J2000 position of star is 17:19:34.8 -20:23:16
Equinox of date position of star is 17:20:53.9 -20:24:33
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 14 degrees from the moon. Moon is 98% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 35.6 AU from the Sun and 34.6 AU from the Earth.
The TNO is moving 24.2 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 238 seconds.
The 1-sigma cross-track error in the shadow position is 1917 km.
The sky-plane scale is 25107.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=316.2 km assuming a 5% albedo -- 13.0 sec chord
Diameter=129.1 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 523717, (2022/06/13 10:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.2 -26:28:48  0.9 12.99   4
35Eta Oph      17:11:40.0 -15:45:04  2.6  5.15  14
40Xi Oph       17:22:21.2 -21:08:06  3.9  0.80  14
PPM 232932     17:21:21.4 -20:00:11  8.4  0.42  14
PPM 266683     17:20:35.8 -20:15:30  9.2  0.17  14
523717         17:20:54.8 -20:24:34 16.1        14
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 3.8 sigma about the mid-time.
The median site spacing is 20.8 km RECON observability=0.5 and success probability=6.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:06:34 -11.1 NT Up 13.2 211.7 Really Low 09:51:34 - 10:21:34 3446
Kelowna 10:06:31 -11.5 NT Up 13.6 212.6 Really Low 09:51:31 - 10:21:31 3403
Peachland 10:06:31 -11.7 NT Up 13.8 212.4 Really Low 09:51:31 - 10:21:31 3402
Summerland 10:06:30 -11.8 NT Up 13.9 212.5 Really Low 09:51:30 - 10:21:30 3395
Victoria 10:06:38 -13.9 AT Up 16.0 209.2 Really Low 09:51:38 - 10:21:38 3392
Penticton 10:06:30 -11.9 NT Up 13.9 212.6 Really Low 09:51:30 - 10:21:30 3391
Oliver 10:06:29 -12.2 AT Up 14.2 212.6 Really Low 09:51:29 - 10:21:29 3376
Anarchist Mountain Observatory 10:06:29 -12.3 AT Up 14.3 212.8 Really Low 09:51:29 - 10:21:29 3367
Tonasket 10:06:28 -12.5 AT Up 14.5 212.8 Really Low 09:51:28 - 10:21:28 3354
Okanogan 10:06:28 -12.9 AT Up 14.9 212.7 Really Low 09:51:28 - 10:21:28 3342
Brewster 10:06:28 -13.2 AT Up 15.2 212.6 Really Low 09:51:28 - 10:21:28 3332
Manson/Chelan 10:06:29 -13.5 AT Up 15.5 212.3 Really Low 09:51:29 - 10:21:29 3328
Wenatchee 10:06:28 -14.0 AT Up 16.0 212.2 Really Low 09:51:28 - 10:21:28 3308
Sleaford 10:06:06 -4.8 CT Down 6.6 224.0 Really Low 09:51:06 - 10:21:06 3305
Ellensburg 10:06:28 -14.4 AT Up 16.4 212.0 Really Low 09:51:28 - 10:21:28 3293
Yakima 10:06:27 -14.8 AT Up 16.7 212.1 Really Low 09:51:27 - 10:21:27 3274
Toppenish/White Swan 10:06:26 -14.9 AT Up 16.9 212.3 Really Low 09:51:26 - 10:21:26 3262
Goldendale 10:06:26 -15.5 AT Up 17.5 212.0 Really Low 09:51:26 - 10:21:26 3241
The Dalles 10:06:27 -15.8 AT Up 17.8 211.7 Really Low 09:51:27 - 10:21:27 3234
PNWRO 10:06:22 -14.7 AT Up 16.6 213.7 Really Low 09:51:22 - 10:21:22 3226
Maupin 10:06:26 -16.2 AT Up 18.1 211.8 Really Low 09:51:26 - 10:21:26 3213
Sisters 10:06:26 -17.1 AT Up 19.1 211.5 Really Low 09:51:26 - 10:21:26 3176
Bend 10:06:25 -17.2 AT Up 19.2 211.8 Really Low 09:51:25 - 10:21:25 3161
Oregon Observatory 10:06:25 -17.4 AT Up 19.4 211.7 Really Low 09:51:25 - 10:21:25 3154
North Lake 10:06:22 -17.8 AT Up 19.7 212.3 Really Low 09:51:22 - 10:21:22 3115
Chiloquin 10:06:24 -18.7 Dark Up 20.7 211.6 Low 09:51:24 - 10:21:24 3091
Klamath Falls 10:06:23 -19.0 Dark Up 20.9 211.7 Low 09:51:23 - 10:21:23 3072
Lakeview 10:06:19 -18.5 Dark Up 20.4 213.0 Low 09:51:19 - 10:21:19 3051
Cedarville 10:06:17 -19.0 Dark Up 20.9 213.3 Low 09:51:17 - 10:21:17 3013
Fall River/Burney 10:06:20 -19.9 Dark Up 21.8 212.3 Low 09:51:20 - 10:21:20 3002
Susanville 10:06:17 -20.2 Dark Up 22.0 213.1 Low 09:51:17 - 10:21:17 2958
Greenville 10:06:17 -20.5 Dark Up 22.3 212.9 Low 09:51:17 - 10:21:17 2946
Gimple 10:06:17 -20.5 Dark Up 22.3 213.0 Low 09:51:17 - 10:21:17 2944
Quincy 10:06:17 -20.7 Dark Up 22.5 213.0 Low 09:51:17 - 10:21:17 2934
Portola 10:06:15 -20.6 Dark Up 22.4 213.4 Low 09:51:15 - 10:21:15 2921
Reno 10:06:13 -20.6 Dark Up 22.4 214.1 Low 09:51:13 - 10:21:13 2896
Carson City 10:06:12 -20.9 Dark Up 22.7 214.2 Low 09:51:12 - 10:21:12 2875
Gardnerville 10:06:12 -21.1 Dark Up 22.8 214.3 Low 09:51:12 - 10:21:12 2860
Yerington 10:06:10 -20.8 Dark Up 22.5 214.8 Low 09:51:10 - 10:21:10 2854
Hawthorne 10:06:08 -21.0 Dark Up 22.7 215.4 Low 09:51:08 - 10:21:08 2819
Lee Vining 10:06:08 -21.7 Dark Up 23.4 215.1 Low 09:51:08 - 10:21:08 2792
Tonopah 10:06:03 -20.8 Dark Up 22.4 216.7 Low 09:51:03 - 10:21:03 2770
Bishop 10:06:05 -21.9 Dark Up 23.5 215.8 Low 09:51:05 - 10:21:05 2744
Beatty 10:06:00 -21.5 Dark Up 23.1 217.4 Low 09:51:00 - 10:21:00 2690
Dunrhomin 10:05:35 -13.3 AT Up 14.7 226.1 Really Low 09:50:35 - 10:20:35 2689
CU-SBO 10:05:35 -13.6 AT Up 14.9 226.1 Really Low 09:50:35 - 10:20:35 2676
Indian Springs 10:05:56 -21.3 Dark Up 22.9 218.4 Low 09:50:56 - 10:20:56 2652
Henderson 10:05:53 -21.4 Dark Up 22.9 219.1 Low 09:50:53 - 10:20:53 2605
Patrick 10:05:48 -21.4 Dark Up 22.9 220.2 Low 09:50:48 - 10:20:48 2546
Laughlin/Bullhead City 10:05:50 -22.0 Dark Up 23.4 219.7 Low 09:50:50 - 10:20:50 2541
Wildwood 10:06:00 -24.7 Dark Up 26.3 216.5 Low 09:51:00 - 10:21:00 2536
Kingman/Dolan Springs 10:05:48 -21.7 Dark Up 23.1 220.1 Low 09:50:48 - 10:20:48 2534
Mohave Valley 10:05:50 -22.2 Dark Up 23.6 219.8 Low 09:50:50 - 10:20:50 2523
Lake Havasu City 10:05:48 -22.4 Dark Up 23.8 220.1 Low 09:50:48 - 10:20:48 2492
Idyllwild 10:05:54 -24.1 Dark Up 25.6 218.3 Low 09:50:54 - 10:20:54 2482
Parker 10:05:48 -22.6 Dark Up 24.1 220.2 Low 09:50:48 - 10:20:48 2468
Calipatria 10:05:50 -24.1 Dark Up 25.5 219.5 Low 09:50:50 - 10:20:50 2419
George/Scottsdale 10:05:39 -21.8 Dark Up 23.1 222.3 Low 09:50:39 - 10:20:39 2395
Yuma 10:05:46 -24.0 Dark Up 25.3 220.4 Low 09:50:46 - 10:20:46 2374

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 523717, (2022/06/13 10:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 12.99   4
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.15  14
40Xi Oph       17:21:00.8 -21:06:51  3.9  0.80  14
PPM 232932     17:20:01.6 -19:58:54  8.4  0.42  14
PPM 266683     17:19:15.8 -20:14:12  9.2  0.17  14
523717         17:19:34.8 -20:23:16 16.1        14
Positions are for J2000

Event circumstances last updated at 2022/03/15 01:04:38 UT

Marc W. Buie, Southwest Research Institute

RECON