RECON: TNO occultation with 11OC61

Event between 11OC61 and star GA0740:29268504 with event index number of 2123509

Geocentric closest approach at 2022/10/12 05:23:09 UTC

J2000 position of star is 22:08:51.5 -14:54:51
Equinox of date position of star is 22:10:02.2 -14:48:23
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 79 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 44.6 AU from the Sun and 43.9 AU from the Earth.
The TNO is moving 14.5 km/sec on the sky relative to the star, or, 1.6 arcsec/hr.
The 1-sigma error in the time of the event is 353 seconds.
The 1-sigma cross-track error in the shadow position is 2330 km.
The sky-plane scale is 31861.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=317.7 km assuming a 5% albedo -- 21.6 sec chord
Diameter=129.7 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 11OC61, (2022/10/12 05:16UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:54.2 -29:30:04  1.2 18.51  75
33Iot Aqr      22:07:39.9 -13:45:30  4.3  1.20  79
PPM 239822     22:08:49.1 -14:22:44  7.2  0.52  79
PPM 239881     22:11:02.8 -15:00:32  9.1  0.31  78
11OC61         22:10:05.3 -14:48:06 14.1        78
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 2.6 sigma about the mid-time.
The median site spacing is 15.9 km RECON observability=1.0 and success probability=10.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 05:20:56 -36.9 Dark Up 26.4 185.8 Low 05:05:56 - 05:35:56 -2310
Clarence Fulton 05:20:37 -37.8 Dark Up 24.3 190.0 Low 05:05:37 - 05:35:37 -2312
Peachland 05:20:39 -38.0 Dark Up 24.9 189.5 Low 05:05:39 - 05:35:39 -2327
Kelowna 05:20:38 -38.0 Dark Up 24.7 189.8 Low 05:05:38 - 05:35:38 -2328
Summerland 05:20:39 -38.1 Dark Up 25.0 189.7 Low 05:05:39 - 05:35:39 -2336
Penticton 05:20:37 -38.2 Dark Up 25.0 189.8 Low 05:05:37 - 05:35:37 -2342
Oliver 05:20:37 -38.4 Dark Up 25.4 189.8 Low 05:05:37 - 05:35:37 -2360
Anarchist Mountain Observatory 05:20:37 -38.6 Dark Up 25.5 190.0 Low 05:05:37 - 05:35:37 -2372
Tonasket 05:20:37 -38.8 Dark Up 25.9 190.0 Low 05:05:37 - 05:35:37 -2387
Okanogan 05:20:37 -39.0 Dark Up 26.2 189.8 Low 05:05:37 - 05:35:37 -2401
Brewster 05:20:39 -39.0 Dark Up 26.5 189.7 Low 05:05:39 - 05:35:39 -2411
Manson/Chelan 05:20:41 -39.0 Dark Up 26.7 189.3 Low 05:05:41 - 05:35:41 -2413
Wenatchee 05:20:41 -39.2 Dark Up 27.2 189.1 Low 05:05:41 - 05:35:41 -2435
Ellensburg 05:20:42 -39.4 Dark Up 27.7 188.9 Low 05:05:42 - 05:35:42 -2452
Yakima 05:20:43 -39.6 Dark Up 28.1 189.0 Low 05:05:43 - 05:35:43 -2473
Toppenish/White Swan 05:20:42 -39.8 Dark Up 28.3 189.2 Low 05:05:42 - 05:35:42 -2489
Goldendale 05:20:44 -40.0 Dark Up 28.8 188.7 Low 05:05:44 - 05:35:44 -2510
The Dalles 05:20:46 -39.9 Dark Up 29.1 188.4 Low 05:05:46 - 05:35:46 -2514
Pasco 05:20:35 -40.6 Dark Up 28.2 190.5 Low 05:05:35 - 05:35:35 -2526
Maupin 05:20:47 -40.2 Dark Up 29.5 188.5 Low 05:05:47 - 05:35:47 -2540
PNWRO 05:20:34 -40.9 Dark Up 28.4 190.8 Low 05:05:34 - 05:35:34 -2544
Sisters 05:20:49 -40.5 Dark Up 30.4 188.1 Up 05:05:49 - 05:35:49 -2578
Redmond 05:20:47 -40.7 Dark Up 30.4 188.5 Up 05:05:47 - 05:35:47 -2589
Bend 05:20:48 -40.8 Dark Up 30.6 188.4 Up 05:05:48 - 05:35:48 -2598
Oregon Observatory 05:20:49 -40.8 Dark Up 30.8 188.2 Up 05:05:49 - 05:35:49 -2605
La Pine/Gilchrist 05:20:48 -40.9 Dark Up 31.0 188.2 Up 05:05:48 - 05:35:48 -2615
North Lake 05:20:46 -41.5 Dark Up 31.4 188.9 Up 05:05:46 - 05:35:46 -2655
Chiloquin 05:20:51 -41.3 Dark Up 32.2 187.9 Up 05:05:51 - 05:35:51 -2673
Klamath Falls 05:20:51 -41.6 Dark Up 32.5 188.0 Up 05:05:51 - 05:35:51 -2695
Paisley 05:20:45 -42.0 Dark Up 31.9 189.3 Up 05:05:45 - 05:35:45 -2697
Lakeview 05:20:43 -42.4 Dark Up 32.4 189.6 Up 05:05:43 - 05:35:43 -2733
Fall River/Burney 05:20:49 -42.5 Dark Up 33.6 188.6 Up 05:05:49 - 05:35:49 -2778
Cedarville 05:20:44 -42.9 Dark Up 33.0 189.9 Up 05:05:44 - 05:35:44 -2778
Susanville 05:20:45 -43.3 Dark Up 34.2 189.5 Up 05:05:45 - 05:35:45 -2836
Greenville 05:20:49 -43.3 Dark Up 34.5 189.2 Up 05:05:49 - 05:35:49 -2846
Gimple 05:20:47 -43.3 Dark Up 34.5 189.3 Up 05:05:47 - 05:35:47 -2849
Quincy 05:20:47 -43.4 Dark Up 34.7 189.2 Up 05:05:47 - 05:35:47 -2859
Portola 05:20:45 -43.7 Dark Up 34.7 189.7 Up 05:05:45 - 05:35:45 -2879
Reno 05:20:40 -44.3 Dark Up 34.9 190.5 Up 05:05:40 - 05:35:40 -2913
Carson City 05:20:42 -44.5 Dark Up 35.3 190.6 Up 05:05:42 - 05:35:42 -2938
Gardnerville 05:20:41 -44.7 Dark Up 35.5 190.7 Up 05:05:41 - 05:35:41 -2955
Yerington 05:20:39 -45.0 Dark Up 35.4 191.3 Up 05:05:39 - 05:35:39 -2967
Hawthorne 05:20:37 -45.6 Dark Up 35.7 192.0 Up 05:05:37 - 05:35:37 -3012
Lee Vining 05:20:39 -45.6 Dark Up 36.4 191.5 Up 05:05:39 - 05:35:39 -3037
Tonopah 05:20:28 -46.8 Dark Up 35.9 193.7 Up 05:05:28 - 05:35:28 -3082
Bishop 05:20:35 -46.4 Dark Up 36.8 192.5 Up 05:05:35 - 05:35:35 -3098
Beatty 05:20:25 -47.7 Dark Up 37.0 194.5 Up 05:05:25 - 05:35:25 -3175
CPSLO 05:20:48 -46.0 Dark Up 39.2 190.1 Up 05:05:48 - 05:35:48 -3181
Indian Springs 05:20:20 -48.6 Dark Up 37.1 195.8 Up 05:05:20 - 05:35:20 -3228
Dunrhomin 05:19:24 -51.7 Dark Up 30.8 206.3 Up 05:04:24 - 05:34:24 -3269
Henderson 05:20:16 -49.4 Dark Up 37.4 196.7 Up 05:05:16 - 05:35:16 -3286
Wildwood 05:20:38 -48.1 Dark Up 40.1 192.8 Up 05:05:38 - 05:35:38 -3325
Laughlin/Bullhead City 05:20:13 -50.2 Dark Up 38.2 197.4 Up 05:05:13 - 05:35:13 -3362
Patrick 05:20:09 -50.5 Dark Up 37.8 198.1 Up 05:05:09 - 05:35:09 -3364
Kingman/Dolan Springs 05:20:12 -50.5 Dark Up 38.0 198.0 Up 05:05:12 - 05:35:12 -3374
Mohave Valley 05:20:14 -50.3 Dark Up 38.4 197.4 Up 05:05:14 - 05:35:14 -3382
Idyllwild 05:20:27 -49.6 Dark Up 40.0 195.2 Up 05:05:27 - 05:35:27 -3405
Lake Havasu City 05:20:12 -50.7 Dark Up 38.8 197.8 Up 05:05:12 - 05:35:12 -3418
Parker 05:20:12 -51.0 Dark Up 39.1 197.9 Up 05:05:12 - 05:35:12 -3446
Blythe 05:20:14 -51.1 Dark Up 39.7 197.7 Up 05:05:14 - 05:35:14 -3476
Calipatria 05:20:19 -50.7 Dark Up 40.4 196.7 Up 05:05:19 - 05:35:19 -3486
Yuma 05:20:14 -51.6 Dark Up 40.5 197.9 Up 05:05:14 - 05:35:14 -3545
George/Scottsdale 05:19:58 -52.8 Dark Up 38.8 200.9 Up 05:04:58 - 05:34:58 -3550

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 11OC61, (2022/10/12 05:16UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 18.51  75
33Iot Aqr      22:06:26.3 -13:52:12  4.3  1.20  79
PPM 239822     22:07:35.4 -14:29:27  7.2  0.52  79
PPM 239881     22:09:49.0 -15:07:17  9.1  0.31  78
11OC61         22:08:51.5 -14:54:51 14.1        79
Positions are for J2000

Event circumstances last updated at 2021/10/26 23:56:14 UT

Marc W. Buie, Southwest Research Institute

RECON