RECON: TNO occultation with 06JV58

Event between 06JV58 and star GA0660:09339175 with event index number of 1935872

Geocentric closest approach at 2023/07/06 04:10:13 UTC

J2000 position of star is 17:05:02.1 -22:32:19
Equinox of date position of star is 17:06:24.3 -22:34:06
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 65 degrees from the moon. Moon is 89% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 42.4 AU from the Sun and 41.5 AU from the Earth.
The TNO is moving 21.6 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 230 seconds.
The 1-sigma cross-track error in the shadow position is 1896 km.
The sky-plane scale is 30068.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=291.1 km assuming a 5% albedo -- 13.3 sec chord
Diameter=118.8 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 06JV58, (2023/07/06 04:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.2 -26:28:56  0.9  8.99  72
35Eta Oph      17:11:43.7 -15:45:08  2.6  6.93  65
PPM 266403     17:07:36.2 -21:35:43  6.3  1.01  64
PPM 266324     17:04:46.9 -23:11:00  7.5  0.72  65
PPM 266329     17:05:05.5 -22:42:29  9.2  0.34  65
06JV58         17:06:27.1 -22:34:10 16.5        64
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 3.9 sigma about the mid-time.
The median site spacing is **** km RECON observability=0.1 and success probability=9.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 04:11:27 -5.8 CT Down 14.2 165.3 Really Low 03:56:27 - 04:26:27 982
Kamloops 04:12:11 -0.4 Sun up Down 12.2 152.1 Really Low 03:57:11 - 04:27:11 702
Kelowna 04:12:09 -1.3 CT Down 13.2 152.8 Really Low 03:57:09 - 04:27:09 686
Peachland 04:12:11 -1.3 CT Down 13.2 152.5 Really Low 03:57:11 - 04:27:11 676
Summerland 04:12:10 -1.4 CT Down 13.4 152.6 Really Low 03:57:10 - 04:27:10 672
Penticton 04:12:10 -1.5 CT Down 13.5 152.7 Really Low 03:57:10 - 04:27:10 671
Oliver 04:12:11 -1.7 CT Down 13.8 152.7 Really Low 03:57:11 - 04:27:11 656
Anarchist Mountain Observatory 04:12:11 -1.9 CT Down 14.0 152.8 Really Low 03:57:11 - 04:27:11 653
Tonasket 04:12:11 -2.1 CT Down 14.3 152.7 Really Low 03:57:11 - 04:27:11 638
Okanogan 04:12:13 -2.2 CT Down 14.5 152.5 Really Low 03:57:13 - 04:27:13 620
Brewster 04:12:14 -2.3 CT Down 14.7 152.3 Really Low 03:57:14 - 04:27:14 605
Manson/Chelan 04:12:15 -2.2 CT Down 14.8 152.0 Really Low 03:57:15 - 04:27:15 588
Wenatchee 04:12:16 -2.4 CT Down 15.1 151.8 Really Low 03:57:16 - 04:27:16 563
Victoria 04:12:23 -0.1 Sun up Down 13.2 149.2 Really Low 03:57:23 - 04:27:23 551
Ellensburg 04:12:18 -2.6 CT Down 15.4 151.5 Really Low 03:57:18 - 04:27:18 540
PNWRO 04:12:14 -4.1 CT Down 16.8 152.9 Really Low 03:57:14 - 04:27:14 527
Yakima 04:12:18 -2.8 CT Down 15.8 151.5 Really Low 03:57:18 - 04:27:18 521
Toppenish/White Swan 04:12:18 -3.0 CT Down 16.0 151.6 Really Low 03:57:18 - 04:27:18 514
Dunrhomin 04:11:34 -15.2 AT Down 25.7 165.0 Low 03:56:34 - 04:26:34 485
Goldendale 04:12:20 -3.2 CT Down 16.4 151.1 Really Low 03:57:20 - 04:27:20 479
CU-SBO 04:11:35 -15.3 AT Down 26.0 164.9 Low 03:56:35 - 04:26:35 470
The Dalles 04:12:22 -3.1 CT Down 16.5 150.8 Really Low 03:57:22 - 04:27:22 460
Maupin 04:12:22 -3.4 CT Down 16.9 150.8 Really Low 03:57:22 - 04:27:22 442
Sisters 04:12:25 -3.7 CT Down 17.5 150.2 Really Low 03:57:25 - 04:27:25 387
Bend 04:12:25 -4.0 CT Down 17.8 150.4 Really Low 03:57:25 - 04:27:25 381
Oregon Observatory 04:12:25 -4.0 CT Down 17.9 150.3 Really Low 03:57:25 - 04:27:25 369
North Lake 04:12:25 -4.7 CT Down 18.6 150.7 Really Low 03:57:25 - 04:27:25 348
Lakeview 04:12:25 -5.7 CT Down 19.7 151.0 Really Low 03:57:25 - 04:27:25 303
Chiloquin 04:12:29 -4.5 CT Down 18.9 149.7 Really Low 03:57:29 - 04:27:29 290
Klamath Falls 04:12:29 -4.8 CT Down 19.2 149.7 Really Low 03:57:29 - 04:27:29 273
Cedarville 04:12:25 -6.2 NT Down 20.4 151.0 Low 03:57:25 - 04:27:25 271
Fall River/Burney 04:12:30 -5.7 CT Down 20.3 149.9 Low 03:57:30 - 04:27:30 216
Susanville 04:12:28 -6.6 NT Down 21.2 150.4 Low 03:57:28 - 04:27:28 198
Gimple 04:12:29 -6.6 NT Down 21.3 150.2 Low 03:57:29 - 04:27:29 177
Greenville 04:12:30 -6.6 NT Down 21.3 150.1 Low 03:57:30 - 04:27:30 175
Portola 04:12:29 -7.1 NT Down 21.8 150.5 Low 03:57:29 - 04:27:29 167
Reno 04:12:27 -7.6 NT Down 22.2 151.0 Low 03:57:27 - 04:27:27 166
Quincy 04:12:30 -6.7 NT Down 21.5 150.1 Low 03:57:30 - 04:27:30 163
Yerington 04:12:25 -8.3 NT Down 23.0 151.5 Low 03:57:25 - 04:27:25 149
Carson City 04:12:27 -7.8 NT Down 22.6 150.9 Low 03:57:27 - 04:27:27 146
Tonopah 04:12:20 -10.1 NT Down 24.5 153.1 Low 03:57:20 - 04:27:20 137
Hawthorne 04:12:24 -9.0 NT Down 23.6 151.9 Low 03:57:24 - 04:27:24 133
Gardnerville 04:12:27 -8.0 NT Down 22.8 150.9 Low 03:57:27 - 04:27:27 133
Lee Vining 04:12:27 -9.0 NT Down 23.9 151.3 Low 03:57:27 - 04:27:27 89
Indian Springs 04:12:16 -12.0 NT Down 26.4 154.2 Low 03:57:16 - 04:27:16 79
Beatty 04:12:19 -11.1 NT Down 25.7 153.3 Low 03:57:19 - 04:27:19 76
Bishop 04:12:25 -9.8 NT Down 24.7 151.8 Low 03:57:25 - 04:27:25 68
Henderson 04:12:14 -12.7 AT Down 27.1 154.7 Low 03:57:14 - 04:27:14 61
Patrick 04:12:10 -13.8 AT Down 28.0 155.7 Low 03:57:10 - 04:27:10 46
Kingman/Dolan Springs 04:12:11 -13.9 AT Down 28.2 155.4 Low 03:57:11 - 04:27:11 28
Laughlin/Bullhead City 04:12:13 -13.6 AT Down 28.0 154.9 Low 03:57:13 - 04:27:13 15
Mohave Valley 04:12:14 -13.8 AT Down 28.3 154.9 Low 03:57:14 - 04:27:14 -3
George/Scottsdale 04:12:04 -16.2 AT Down 30.2 157.3 Up 03:57:04 - 04:27:04 -21
Lake Havasu City 04:12:13 -14.2 AT Down 28.7 155.0 Low 03:57:13 - 04:27:13 -23
Parker 04:12:13 -14.4 AT Down 29.0 155.0 Low 03:57:13 - 04:27:13 -45
Idyllwild 04:12:23 -13.2 AT Down 28.5 152.6 Low 03:57:23 - 04:27:23 -124
Calipatria 04:12:19 -14.3 AT Down 29.5 153.6 Low 03:57:19 - 04:27:19 -139
Wildwood 04:12:29 -11.7 NT Down 27.5 150.9 Low 03:57:29 - 04:27:29 -145
Yuma 04:12:16 -15.2 AT Down 30.2 154.3 Up 03:57:16 - 04:27:16 -148

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 06JV58, (2023/07/06 04:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  8.99  72
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.93  65
PPM 266403     17:06:11.8 -21:33:54  6.3  1.01  64
PPM 266324     17:03:21.6 -23:09:06  7.5  0.72  65
PPM 266329     17:03:40.5 -22:40:36  9.2  0.34  65
06JV58         17:05:02.1 -22:32:19 16.5        64
Positions are for J2000

Event circumstances last updated at 2022/09/26 02:37:31 UT

Marc W. Buie, Southwest Research Institute

RECON