RECON: TNO occultation with 13KY18

Event between 13KY18 and star GA0640:26007412 with event index number of 2064406

Geocentric closest approach at 2024/06/11 11:15:46 UTC

J2000 position of star is 18:16:53.9 -24:27:51
Equinox of date position of star is 18:18:15.7 -24:27:17
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 133 degrees from the moon. Moon is 25% illuminated.
TNO apparent brightness V=21.3

[RECON map]
TNO is 29.2 AU from the Sun and 28.2 AU from the Earth.
The TNO is moving 23.0 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is 1109 km.
The sky-plane scale is 20475.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 11.8 sec chord
Diameter=110.9 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 13KY18, (2024/06/11 11:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.6 -26:29:03  0.9 24.30 109
Nunki          18:56:46.8 -26:15:51  2.0  8.86 142
PPM 268291     18:23:01.7 -24:54:07  6.0  1.14 134
PPM 268162     18:18:03.9 -23:53:33  8.1  0.57 133
PPM 268172     18:18:27.8 -24:40:11  9.7  0.22 133
13KY18         18:18:23.9 -24:27:13 16.4       133
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 0.0 km RECON observability=0.0 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 11:13:53 -4.9 CT Down 9.0 211.2 Really Low 11:04:06 - 11:23:40 9624
Victoria 11:13:57 -7.8 NT Down 11.9 208.7 Really Low 11:04:10 - 11:23:44 9600
Peachland 11:13:50 -5.3 CT Down 9.6 211.8 Really Low 11:04:03 - 11:23:37 9576
Kelowna 11:13:50 -5.1 CT Down 9.4 212.0 Really Low 11:04:03 - 11:23:37 9574
Summerland 11:13:50 -5.3 CT Down 9.7 211.9 Really Low 11:04:03 - 11:23:37 9568
Penticton 11:13:49 -5.3 CT Down 9.7 212.0 Really Low 11:04:02 - 11:23:36 9563
Oliver 11:13:48 -5.6 CT Down 10.0 212.0 Really Low 11:04:01 - 11:23:35 9549
Anarchist Mountain Observatory 11:13:47 -5.6 CT Down 10.1 212.2 Really Low 11:04:00 - 11:23:34 9539
Tonasket 11:13:47 -5.9 CT Down 10.4 212.1 Really Low 11:04:00 - 11:23:34 9527
Okanogan 11:13:47 -6.2 NT Down 10.7 212.0 Really Low 11:04:00 - 11:23:34 9516
Brewster 11:13:47 -6.5 NT Down 11.0 211.9 Really Low 11:04:00 - 11:23:34 9509
Manson/Chelan 11:13:47 -6.8 NT Down 11.3 211.6 Really Low 11:04:00 - 11:23:34 9508
Wenatchee 11:13:47 -7.2 NT Down 11.8 211.5 Really Low 11:04:00 - 11:23:34 9491
Ellensburg 11:13:47 -7.6 NT Down 12.2 211.4 Really Low 11:04:00 - 11:23:34 9478
Yakima 11:13:46 -7.9 NT Down 12.6 211.4 Really Low 11:03:59 - 11:23:33 9461
Toppenish/White Swan 11:13:45 -8.0 NT Down 12.7 211.6 Really Low 11:03:58 - 11:23:32 9447
Goldendale 11:13:45 -8.6 NT Down 13.3 211.2 Really Low 11:03:58 - 11:23:32 9432
The Dalles 11:13:46 -8.9 NT Down 13.7 211.0 Really Low 11:03:59 - 11:23:33 9429
Maupin 11:13:45 -9.2 NT Down 14.0 211.1 Really Low 11:03:58 - 11:23:32 9408
PNWRO 11:13:41 -7.6 NT Down 12.5 212.9 Really Low 11:03:54 - 11:23:28 9398
Sisters 11:13:45 -10.1 NT Down 14.9 210.8 Really Low 11:03:58 - 11:23:32 9377
Sleaford 11:13:25 2.8 Sun up Down 2.5 223.0 Really Low 11:03:38 - 11:23:12 9362
Bend 11:13:43 -10.1 NT Down 15.0 211.1 Really Low 11:03:56 - 11:23:30 9360
Oregon Observatory 11:13:44 -10.3 NT Down 15.2 211.0 Really Low 11:03:57 - 11:23:31 9355
North Lake 11:13:41 -10.5 NT Down 15.6 211.5 Really Low 11:03:54 - 11:23:28 9311
Chiloquin 11:13:43 -11.5 NT Down 16.5 210.8 Really Low 11:03:56 - 11:23:30 9299
Klamath Falls 11:13:43 -11.7 NT Down 16.8 210.9 Really Low 11:03:56 - 11:23:30 9280
Lakeview 11:13:39 -11.0 NT Down 16.3 212.1 Really Low 11:03:52 - 11:23:26 9245
Fall River/Burney 11:13:39 -12.4 AT Down 17.7 211.4 Really Low 11:03:52 - 11:23:26 9209
Cedarville 11:13:36 -11.4 NT Down 16.8 212.4 Really Low 11:03:49 - 11:23:23 9207
Susanville 11:13:36 -12.4 AT Down 17.9 212.2 Really Low 11:03:49 - 11:23:23 9158
Greenville 11:13:36 -12.8 AT Down 18.3 212.0 Really Low 11:03:49 - 11:23:23 9150
Gimple 11:13:36 -12.8 AT Down 18.2 212.0 Really Low 11:03:49 - 11:23:23 9148
Quincy 11:13:36 -12.9 AT Down 18.4 212.0 Really Low 11:03:49 - 11:23:23 9139
Portola 11:13:35 -12.8 AT Down 18.3 212.4 Really Low 11:03:48 - 11:23:22 9121
Reno 11:13:32 -12.6 AT Down 18.3 213.0 Really Low 11:03:45 - 11:23:19 9090
Carson City 11:13:32 -12.9 AT Down 18.6 213.1 Really Low 11:03:45 - 11:23:19 9069
Gardnerville 11:13:32 -13.0 AT Down 18.8 213.2 Really Low 11:03:45 - 11:23:19 9054
Yerington 11:13:30 -12.7 AT Down 18.5 213.7 Really Low 11:03:43 - 11:23:17 9043
Hawthorne 11:13:27 -12.7 AT Down 18.6 214.2 Really Low 11:03:40 - 11:23:14 9003
Lee Vining 11:13:28 -13.4 AT Down 19.3 213.9 Really Low 11:03:41 - 11:23:15 8983
Tonopah 11:13:23 -12.2 AT Down 18.4 215.4 Really Low 11:03:36 - 11:23:10 8939
Bishop 11:13:25 -13.4 AT Down 19.5 214.6 Really Low 11:03:38 - 11:23:12 8928
Beatty 11:13:19 -12.7 AT Down 19.1 216.0 Really Low 11:03:32 - 11:23:06 8857
Indian Springs 11:13:16 -12.3 AT Down 18.9 217.0 Really Low 11:03:29 - 11:23:03 8808
Henderson 11:13:12 -12.3 AT Down 19.0 217.6 Really Low 11:03:25 - 11:22:59 8755
Dunrhomin 11:12:55 -3.6 CT Down 10.8 224.5 Really Low 11:03:08 - 11:22:42 8733
Wildwood 11:13:20 -15.7 AT Down 22.3 215.1 Low 11:03:33 - 11:23:07 8729
CU-SBO 11:12:54 -3.8 CT Down 11.0 224.4 Really Low 11:03:07 - 11:22:41 8721
Laughlin/Bullhead City 11:13:10 -12.6 AT Down 19.5 218.2 Really Low 11:03:23 - 11:22:57 8688
Patrick 11:13:08 -12.0 NT Down 18.9 218.7 Really Low 11:03:21 - 11:22:55 8684
Kingman/Dolan Springs 11:13:08 -12.3 AT Down 19.2 218.6 Really Low 11:03:21 - 11:22:55 8675
Mohave Valley 11:13:10 -12.8 AT Down 19.7 218.2 Really Low 11:03:23 - 11:22:57 8670
Idyllwild 11:13:14 -14.8 AT Down 21.7 216.8 Low 11:03:27 - 11:23:01 8655
Lake Havasu City 11:13:08 -12.9 AT Down 19.9 218.5 Really Low 11:03:21 - 11:22:55 8637
Parker 11:13:07 -13.1 AT Down 20.1 218.6 Low 11:03:20 - 11:22:54 8613
Calipatria 11:13:10 -14.5 AT Down 21.6 217.9 Low 11:03:23 - 11:22:57 8580
Yuma 11:13:06 -14.2 AT Down 21.4 218.7 Low 11:03:19 - 11:22:53 8525
George/Scottsdale 11:13:00 -11.8 NT Down 19.2 220.6 Really Low 11:03:13 - 11:22:47 8513

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 13KY18, (2024/06/11 11:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 24.30 109
Nunki          18:55:15.9 -26:17:49  2.0  8.86 142
PPM 268291     18:21:31.4 -24:54:54  6.0  1.14 134
PPM 268162     18:16:34.3 -23:54:10  8.1  0.57 133
PPM 268172     18:16:57.6 -24:40:49  9.7  0.22 133
13KY18         18:16:53.9 -24:27:51 16.4       133
Positions are for J2000

Event circumstances last updated at 2022/03/27 23:27:31 UT

Marc W. Buie, Southwest Research Institute

RECON