RECON: TNO occultation with 523717

Event between (523717) 14KY101 and star GA0680:10763737 with event index number of 2615996

Geocentric closest approach at 2022/06/09 07:15:07 UTC

J2000 position of star is 17:19:59.2 -20:23:29
Equinox of date position of star is 17:21:18.3 -20:24:45
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 72 degrees from the moon. Moon is 67% 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 235 seconds.
The 1-sigma cross-track error in the shadow position is 2143 km.
The sky-plane scale is 25107.1 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, (2022/06/09 07:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.2 -26:28:47  0.9 13.07  62
35Eta Oph      17:11:40.0 -15:45:04  2.6  5.20  69
40Xi Oph       17:22:21.2 -21:08:06  3.9  0.76  72
PPM 232932     17:21:21.4 -20:00:11  8.4  0.41  72
PPM 266719     17:22:15.5 -20:22:51  9.8  0.22  72
523717         17:21:19.2 -20:24:45 16.3        72
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 14.3 km RECON observability=0.8 and success probability=9.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:15:16 -14.9 AT Up 17.5 180.5 Really Low 07:00:16 - 07:30:16 -964
Kamloops 07:15:57 -15.7 AT Up 17.9 166.5 Really Low 07:00:57 - 07:30:57 -1090
Kelowna 07:15:55 -16.6 AT Up 18.8 167.3 Really Low 07:00:55 - 07:30:55 -1114
Peachland 07:15:56 -16.7 AT Up 18.9 167.0 Really Low 07:00:56 - 07:30:56 -1121
Summerland 07:15:56 -16.9 AT Up 19.1 167.1 Really Low 07:00:56 - 07:30:56 -1126
Penticton 07:15:55 -16.9 AT Up 19.1 167.2 Really Low 07:00:55 - 07:30:55 -1128
Oliver 07:15:56 -17.3 AT Up 19.5 167.1 Really Low 07:00:56 - 07:30:56 -1142
Anarchist Mountain Observatory 07:15:55 -17.5 AT Up 19.7 167.3 Really Low 07:00:55 - 07:30:55 -1147
Tonasket 07:15:56 -17.8 AT Up 20.0 167.2 Really Low 07:00:56 - 07:30:56 -1160
Okanogan 07:15:56 -18.1 Dark Up 20.3 167.1 Low 07:00:56 - 07:30:56 -1176
Brewster 07:15:57 -18.3 Dark Up 20.5 166.8 Low 07:00:57 - 07:30:57 -1189
Manson/Chelan 07:15:59 -18.5 Dark Up 20.7 166.5 Low 07:00:59 - 07:30:59 -1201
Victoria 07:16:07 -17.4 AT Up 19.5 163.4 Really Low 07:01:07 - 07:31:07 -1204
Wenatchee 07:15:59 -18.9 Dark Up 21.1 166.3 Low 07:00:59 - 07:30:59 -1223
Ellensburg 07:16:00 -19.3 Dark Up 21.5 166.0 Low 07:01:00 - 07:31:00 -1243
Yakima 07:16:01 -19.7 Dark Up 21.8 165.9 Low 07:01:01 - 07:31:01 -1261
Toppenish/White Swan 07:16:00 -19.9 Dark Up 22.1 166.1 Low 07:01:00 - 07:31:00 -1269
PNWRO 07:15:56 -20.5 Dark Up 22.7 167.5 Low 07:00:56 - 07:30:56 -1273
Goldendale 07:16:02 -20.4 Dark Up 22.6 165.6 Low 07:01:02 - 07:31:02 -1298
The Dalles 07:16:03 -20.6 Dark Up 22.7 165.2 Low 07:01:03 - 07:31:03 -1313
Maupin 07:16:03 -21.0 Dark Up 23.1 165.3 Low 07:01:03 - 07:31:03 -1331
Sisters 07:16:05 -21.8 Dark Up 23.9 164.7 Low 07:01:05 - 07:31:05 -1378
Bend 07:16:05 -22.1 Dark Up 24.2 164.9 Low 07:01:05 - 07:31:05 -1387
Oregon Observatory 07:16:05 -22.2 Dark Up 24.3 164.8 Low 07:01:05 - 07:31:05 -1397
North Lake 07:16:04 -22.9 Dark Up 25.0 165.3 Low 07:01:04 - 07:31:04 -1423
Chiloquin 07:16:08 -23.5 Dark Up 25.5 164.2 Low 07:01:08 - 07:31:08 -1468
Lakeview 07:16:03 -24.1 Dark Up 26.2 165.7 Low 07:01:03 - 07:31:03 -1473
Dunrhomin 07:15:12 -26.7 Dark Up 29.3 181.4 Low 07:00:12 - 07:30:12 -1482
Klamath Falls 07:16:07 -23.8 Dark Up 25.8 164.3 Low 07:01:07 - 07:31:07 -1485
CU-SBO 07:15:12 -27.0 Dark Up 29.6 181.3 Low 07:00:12 - 07:30:12 -1496
Cedarville 07:16:03 -24.7 Dark Up 26.8 165.8 Low 07:01:03 - 07:31:03 -1506
Fall River/Burney 07:16:07 -25.0 Dark Up 27.1 164.5 Low 07:01:07 - 07:31:07 -1544
Susanville 07:16:05 -25.8 Dark Up 27.8 165.2 Low 07:01:05 - 07:31:05 -1571
Gimple 07:16:06 -26.0 Dark Up 28.0 164.9 Low 07:01:06 - 07:31:06 -1589
Greenville 07:16:06 -26.0 Dark Up 28.0 164.8 Low 07:01:06 - 07:31:06 -1590
Quincy 07:16:06 -26.2 Dark Up 28.2 164.8 Low 07:01:06 - 07:31:06 -1601
Portola 07:16:05 -26.4 Dark Up 28.4 165.3 Low 07:01:05 - 07:31:05 -1603
Reno 07:16:03 -26.7 Dark Up 28.8 165.9 Low 07:01:03 - 07:31:03 -1612
Carson City 07:16:03 -27.1 Dark Up 29.2 165.9 Low 07:01:03 - 07:31:03 -1632
Yerington 07:16:01 -27.4 Dark Up 29.5 166.5 Low 07:01:01 - 07:31:01 -1637
Gardnerville 07:16:03 -27.3 Dark Up 29.4 165.9 Low 07:01:03 - 07:31:03 -1646
Hawthorne 07:15:59 -27.9 Dark Up 30.0 167.0 Up 07:00:59 - 07:30:59 -1659
Tonopah 07:15:55 -28.5 Dark Up 30.7 168.4 Up 07:00:55 - 07:30:55 -1673
Lee Vining 07:16:01 -28.4 Dark Up 30.5 166.4 Up 07:01:01 - 07:31:01 -1696
Bishop 07:15:59 -29.1 Dark Up 31.2 167.1 Up 07:00:59 - 07:30:59 -1726
Beatty 07:15:54 -29.7 Dark Up 31.9 168.8 Up 07:00:54 - 07:30:54 -1739
Indian Springs 07:15:50 -30.2 Dark Up 32.4 169.9 Up 07:00:50 - 07:30:50 -1750
Henderson 07:15:47 -30.8 Dark Up 33.0 170.6 Up 07:00:47 - 07:30:47 -1778
Patrick 07:15:43 -31.5 Dark Up 33.8 171.8 Up 07:00:43 - 07:30:43 -1808
Kingman/Dolan Springs 07:15:44 -31.7 Dark Up 34.0 171.6 Up 07:00:44 - 07:30:44 -1823
Laughlin/Bullhead City 07:15:46 -31.7 Dark Up 33.9 171.0 Up 07:00:46 - 07:30:46 -1829
Mohave Valley 07:15:46 -31.9 Dark Up 34.2 171.0 Up 07:00:46 - 07:30:46 -1847
Lake Havasu City 07:15:45 -32.4 Dark Up 34.6 171.2 Up 07:00:45 - 07:30:45 -1870
Parker 07:15:45 -32.7 Dark Up 35.0 171.2 Up 07:00:45 - 07:30:45 -1893
George/Scottsdale 07:15:36 -33.3 Dark Up 35.7 173.9 Up 07:00:36 - 07:30:36 -1903
Wildwood 07:16:01 -32.3 Dark Up 34.3 166.4 Up 07:01:01 - 07:31:01 -1933
Idyllwild 07:15:54 -32.9 Dark Up 35.0 168.4 Up 07:00:54 - 07:30:54 -1938
Calipatria 07:15:50 -33.6 Dark Up 35.8 169.7 Up 07:00:50 - 07:30:50 -1970
Yuma 07:15:47 -34.1 Dark Up 36.4 170.6 Up 07:00:47 - 07:30:47 -1991

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, (2022/06/09 07:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.07  62
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.20  69
40Xi Oph       17:21:00.8 -21:06:51  3.9  0.76  72
PPM 232932     17:20:01.6 -19:58:54  8.4  0.41  72
PPM 266719     17:20:55.5 -20:21:36  9.8  0.22  72
523717         17:19:59.2 -20:23:29 16.3        72
Positions are for J2000

Event circumstances last updated at 2022/03/15 01:04:10 UT

Marc W. Buie, Southwest Research Institute

RECON