RECON: TNO occultation with 14KB102

Event between 14KB102 and star GA0740:10831430 with event index number of 2495375

Geocentric closest approach at 2022/10/09 03:12:24 UTC

J2000 position of star is 17:43:04.1 -14:35:10
Equinox of date position of star is 17:44:21.9 -14:35:43
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 32.9 AU from the Sun and 33.2 AU from the Earth.
The TNO is moving 17.0 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 397 seconds.
The 1-sigma cross-track error in the shadow position is 1894 km.
The sky-plane scale is 24061.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=230.2 km assuming a 5% albedo -- 13.6 sec chord
Diameter=94.0 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 14KB102, (2022/10/09 03:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:48.4 -26:28:50  0.9 20.88 116
35Eta Oph      17:11:41.1 -15:45:05  2.6  7.97 109
PPM 233599     17:48:54.8 -14:43:57  5.9  1.11 100
PPM 233558     17:46:41.0 -14:27:15  8.3  0.58 100
PPM 233509     17:44:48.1 -14:32:02  9.3  0.12 101
14KB102        17:44:22.0 -14:35:43 17.0       101
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 2.3 sigma about the mid-time.
The median site spacing is 20.5 km RECON observability=0.6 and success probability=3.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 03:14:12 -26.3 Dark Up 8.4 232.9 Really Low 02:59:12 - 03:29:12 4869
Kamloops 03:13:33 -18.2 Dark Up 16.0 220.3 Really Low 02:58:33 - 03:28:33 4838
Kelowna 03:13:33 -18.9 Dark Up 16.2 221.3 Really Low 02:58:33 - 03:28:33 4810
Peachland 03:13:33 -18.7 Dark Up 16.4 221.0 Really Low 02:58:33 - 03:28:33 4805
Summerland 03:13:33 -18.8 Dark Up 16.5 221.1 Really Low 02:58:33 - 03:28:33 4800
Penticton 03:13:33 -18.9 Dark Up 16.5 221.3 Really Low 02:58:33 - 03:28:33 4798
Oliver 03:13:33 -19.0 Dark Up 16.8 221.3 Really Low 02:58:33 - 03:28:33 4785
Anarchist Mountain Observatory 03:13:33 -19.2 Dark Up 16.8 221.5 Really Low 02:58:33 - 03:28:33 4780
Tonasket 03:13:33 -19.2 Dark Up 17.1 221.5 Really Low 02:58:33 - 03:28:33 4767
Okanogan 03:13:33 -19.2 Dark Up 17.4 221.5 Really Low 02:58:33 - 03:28:33 4754
Victoria 03:13:32 -16.6 AT Up 18.9 217.9 Really Low 02:58:32 - 03:28:32 4745
Brewster 03:13:33 -19.1 Dark Up 17.7 221.3 Really Low 02:58:33 - 03:28:33 4742
Manson/Chelan 03:13:33 -18.9 Dark Up 18.0 221.0 Really Low 02:58:33 - 03:28:33 4733
Wenatchee 03:13:33 -18.9 Dark Up 18.4 221.0 Really Low 02:58:33 - 03:28:33 4713
Ellensburg 03:13:33 -18.8 Dark Up 18.8 220.9 Really Low 02:58:33 - 03:28:33 4696
Yakima 03:13:33 -18.9 Dark Up 19.2 221.0 Really Low 02:58:33 - 03:28:33 4679
Toppenish/White Swan 03:13:33 -19.0 Dark Up 19.2 221.2 Really Low 02:58:33 - 03:28:33 4671
PNWRO 03:13:33 -20.1 Dark Up 18.8 222.6 Really Low 02:58:33 - 03:28:33 4666
Goldendale 03:13:33 -18.8 Dark Up 19.9 220.9 Really Low 02:58:33 - 03:28:33 4646
The Dalles 03:13:33 -18.6 Dark Up 20.2 220.6 Low 02:58:33 - 03:28:33 4634
Maupin 03:13:33 -18.8 Dark Up 20.5 220.8 Low 02:58:33 - 03:28:33 4617
Sisters 03:13:33 -18.6 Dark Up 21.4 220.6 Low 02:58:33 - 03:28:33 4577
Bend 03:13:33 -18.8 Dark Up 21.4 220.9 Low 02:58:33 - 03:28:33 4568
Oregon Observatory 03:13:33 -18.7 Dark Up 21.6 220.8 Low 02:58:33 - 03:28:33 4560
North Lake 03:13:33 -19.2 Dark Up 21.8 221.5 Low 02:58:33 - 03:28:33 4537
Chiloquin 03:13:33 -18.7 Dark Up 22.8 220.8 Low 02:58:33 - 03:28:33 4498
Klamath Falls 03:13:33 -18.8 Dark Up 23.0 221.0 Low 02:58:33 - 03:28:33 4483
Lakeview 03:14:08 -19.9 Dark Up 22.3 222.4 Low 02:59:08 - 03:29:08 4458
Cedarville 03:14:12 -20.2 Dark Up 22.7 222.8 Low 02:59:12 - 03:29:12 4424
Fall River/Burney 03:14:08 -19.3 Dark Up 23.6 221.8 Low 02:59:08 - 03:29:08 4395
Susanville 03:14:13 -20.0 Dark Up 23.7 222.6 Low 02:59:13 - 03:29:13 4362
Gimple 03:14:13 -19.9 Dark Up 24.0 222.5 Low 02:59:13 - 03:29:13 4346
Greenville 03:14:12 -19.8 Dark Up 24.1 222.5 Low 02:59:12 - 03:29:12 4346
Quincy 03:14:14 -19.9 Dark Up 24.2 222.5 Low 02:59:14 - 03:29:14 4335
Portola 03:14:16 -20.3 Dark Up 24.1 223.0 Low 02:59:16 - 03:29:16 4329
Dunrhomin 03:15:10 -31.6 Dark Up 14.8 235.7 Really Low 03:00:10 - 03:30:10 4323
Reno 03:14:19 -20.8 Dark Up 23.9 223.7 Low 02:59:19 - 03:29:19 4315
CU-SBO 03:15:10 -31.6 Dark Up 15.0 235.6 Really Low 03:00:10 - 03:30:10 4310
Carson City 03:14:21 -20.9 Dark Up 24.1 223.8 Low 02:59:21 - 03:29:21 4295
Yerington 03:14:24 -21.4 Dark Up 23.9 224.4 Low 02:59:24 - 03:29:24 4284
Gardnerville 03:14:22 -21.0 Dark Up 24.3 223.9 Low 02:59:22 - 03:29:22 4281
Hawthorne 03:14:28 -21.9 Dark Up 24.0 225.1 Low 02:59:28 - 03:29:28 4258
Tonopah 03:14:35 -23.1 Dark Up 23.5 226.5 Low 02:59:35 - 03:29:35 4232
Lee Vining 03:14:29 -21.6 Dark Up 24.6 224.8 Low 02:59:29 - 03:29:29 4225
Bishop 03:14:33 -22.3 Dark Up 24.6 225.7 Low 02:59:33 - 03:29:33 4189
Beatty 03:14:42 -23.7 Dark Up 24.0 227.2 Low 02:59:42 - 03:29:42 4162
Indian Springs 03:14:48 -24.6 Dark Up 23.6 228.3 Low 02:59:48 - 03:29:48 4141
Henderson 03:14:52 -25.3 Dark Up 23.5 229.0 Low 02:59:52 - 03:29:52 4107
Patrick 03:14:59 -26.3 Dark Up 23.2 230.2 Low 02:59:59 - 03:29:59 4067
Kingman/Dolan Springs 03:14:59 -26.2 Dark Up 23.4 230.1 Low 02:59:59 - 03:29:59 4053
Laughlin/Bullhead City 03:14:56 -25.8 Dark Up 23.8 229.7 Low 02:59:56 - 03:29:56 4052
Mohave Valley 03:14:57 -25.9 Dark Up 24.0 229.8 Low 02:59:57 - 03:29:57 4034
Lake Havasu City 03:15:00 -26.2 Dark Up 24.0 230.1 Low 03:00:00 - 03:30:00 4008
Parker 03:15:02 -26.3 Dark Up 24.2 230.3 Low 03:00:02 - 03:30:02 3985
Wildwood 03:14:43 -22.7 Dark Up 27.0 226.7 Low 02:59:43 - 03:29:43 3983
Idyllwild 03:14:54 -24.3 Dark Up 26.1 228.4 Low 02:59:54 - 03:29:54 3961
George/Scottsdale 03:15:13 -28.4 Dark Up 22.9 232.4 Low 03:00:13 - 03:30:13 3953
Calipatria 03:14:59 -25.4 Dark Up 25.7 229.6 Low 02:59:59 - 03:29:59 3919
Yuma 03:15:06 -26.3 Dark Up 25.4 230.5 Low 03:00:06 - 03:30:06 3889

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 14KB102, (2022/10/09 03:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.88 116
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.97 109
PPM 233599     17:47:36.7 -14:43:34  5.9  1.11 100
PPM 233558     17:45:23.2 -14:26:47  8.3  0.58 100
PPM 233509     17:43:30.2 -14:31:31  9.3  0.12 101
14KB102        17:43:04.1 -14:35:10 17.0       101
Positions are for J2000

Event circumstances last updated at 2022/09/30 04:12:51 UT

Marc W. Buie, Southwest Research Institute

RECON