RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1040:02626790 with event index number of 1399391

Geocentric closest approach at 2024/10/02 11:15:00 UTC

J2000 position of star is 07:05:41.5 +14:14:54
Equinox of date position of star is 07:06:50.3 +14:12:59
Stellar brightness G=14.1, use SENSEUP=64
Star is 80 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 19.1 AU from the Sun and 19.2 AU from the Earth.
The TNO is moving 12.1 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is 1612 km.
The sky-plane scale is 13895.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=71.1 km assuming a 5% albedo -- 5.0 sec chord
Diameter=29.0 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2024/10/02 11:15UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:49.8 +27:57:52  1.1 16.57  73
Alhena         06:39:08.5 +16:22:34  1.9  7.08  87
45 Gem         07:09:47.2 +15:53:21  6.4  1.80  80
PPM 123505     07:06:59.0 +14:26:01  6.8  0.23  80
PPM 123491     07:06:26.0 +14:11:21  8.8  0.16  81
11UQ62         07:07:05.6 +14:12:33 14.1        80
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 21.7 km RECON observability=1.0 and success probability=15.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 11:08:18 -27.2 Dark Down 37.7 116.3 Up 10:56:02 - 11:20:33 3581
Kelowna 11:08:17 -27.5 Dark Down 37.8 115.9 Up 10:56:01 - 11:20:32 3537
Peachland 11:08:15 -27.8 Dark Down 37.7 115.5 Up 10:56:00 - 11:20:31 3520
Summerland 11:08:15 -27.8 Dark Down 37.8 115.5 Up 10:56:00 - 11:20:31 3506
Penticton 11:08:16 -27.7 Dark Down 37.9 115.6 Up 10:56:01 - 11:20:32 3501
Oliver 11:08:17 -27.9 Dark Down 38.0 115.3 Up 10:56:01 - 11:20:32 3464
Anarchist Mountain Observatory 11:08:16 -27.9 Dark Down 38.2 115.4 Up 10:56:00 - 11:20:31 3450
Tonasket 11:08:17 -28.1 Dark Down 38.3 115.1 Up 10:56:02 - 11:20:33 3416
Okanogan 11:08:17 -28.3 Dark Down 38.4 114.7 Up 10:56:01 - 11:20:32 3378
Brewster 11:08:15 -28.6 Dark Down 38.4 114.3 Up 10:56:00 - 11:20:31 3346
Victoria 11:08:02 -30.5 Dark Down 35.9 111.2 Up 10:55:46 - 11:20:17 3325
Manson/Chelan 11:08:12 -28.9 Dark Down 38.2 113.8 Up 10:55:57 - 11:20:28 3316
Entiat 11:08:12 -29.1 Dark Down 38.3 113.6 Up 10:55:57 - 11:20:28 3292
Wenatchee 11:08:12 -29.3 Dark Down 38.3 113.3 Up 10:55:56 - 11:20:27 3263
Ellensburg 11:08:12 -29.6 Dark Down 38.3 112.8 Up 10:55:57 - 11:20:28 3215
Yakima 11:08:13 -29.8 Dark Down 38.5 112.5 Up 10:55:58 - 11:20:29 3171
Pasco 11:08:19 -29.1 Dark Down 39.5 113.6 Up 10:56:03 - 11:20:34 3165
Toppenish/White Swan 11:08:12 -29.8 Dark Down 38.7 112.5 Up 10:55:57 - 11:20:28 3152
PNWRO 11:08:20 -29.0 Dark Down 39.8 113.7 Up 10:56:05 - 11:20:36 3144
Goldendale 11:08:12 -30.3 Dark Down 38.6 111.7 Up 10:55:57 - 11:20:28 3085
The Dalles 11:08:11 -30.7 Dark Down 38.4 111.2 Up 10:55:55 - 11:20:26 3054
Maupin 11:08:11 -30.8 Dark Down 38.7 111.0 Up 10:55:56 - 11:20:27 3011
Niwot 11:09:43 -21.5 Dark Down 51.6 123.0 Up 10:57:28 - 11:21:59 2920
Redmond 11:08:10 -31.3 Dark Down 38.9 110.2 Up 10:55:55 - 11:20:26 2913
Sisters 11:08:10 -31.6 Dark Down 38.6 109.9 Up 10:55:55 - 11:20:26 2907
SwRI 11:09:43 -21.6 Dark Down 51.6 122.8 Up 10:57:27 - 11:21:58 2906
Bend 11:08:11 -31.5 Dark Down 38.9 109.9 Up 10:55:55 - 11:20:26 2887
Oregon Observatory 11:08:11 -31.7 Dark Down 38.9 109.7 Up 10:55:55 - 11:20:26 2866
La Pine/Gilchrist 11:08:10 -31.8 Dark Down 38.9 109.4 Up 10:55:54 - 11:20:25 2843
North Lake 11:08:12 -31.6 Dark Down 39.5 109.7 Up 10:55:57 - 11:20:28 2809
Paisley 11:08:15 -31.6 Dark Down 39.9 109.6 Up 10:56:00 - 11:20:31 2757
Lakeview 11:08:15 -31.7 Dark Down 40.2 109.3 Up 10:56:00 - 11:20:31 2707
Klamath Falls 11:08:11 -32.7 Dark Down 39.2 108.1 Up 10:55:55 - 11:20:26 2681
Cedarville 11:08:19 -31.9 Dark Down 40.5 109.0 Up 10:56:03 - 11:20:34 2640
Fall River/Burney 11:08:12 -33.0 Dark Down 39.8 107.5 Up 10:55:56 - 11:20:27 2563
Susanville 11:08:17 -32.7 Dark Down 40.5 107.6 Up 10:56:01 - 11:20:32 2511
Gimple 11:08:17 -33.0 Dark Down 40.5 107.2 Up 10:56:01 - 11:20:32 2476
Greenville 11:08:15 -33.1 Dark Down 40.4 107.2 Up 10:56:00 - 11:20:31 2475
Quincy 11:08:17 -33.2 Dark Down 40.5 107.0 Up 10:56:01 - 11:20:32 2453
Portola 11:08:17 -32.9 Dark Down 40.9 107.3 Up 10:56:01 - 11:20:32 2450
Reno 11:08:20 -32.5 Dark Down 41.4 107.6 Up 10:56:05 - 11:20:36 2436
Carson City 11:08:23 -32.7 Dark Down 41.6 107.4 Up 10:56:07 - 11:20:38 2398
Yerington 11:08:26 -32.3 Dark Down 42.1 107.7 Up 10:56:10 - 11:20:41 2392
Gardnerville 11:08:24 -32.7 Dark Down 41.7 107.2 Up 10:56:08 - 11:20:39 2373
Hawthorne 11:08:29 -32.1 Dark Down 42.6 107.8 Up 10:56:14 - 11:20:45 2355
Tonopah 11:08:37 -31.2 Dark Down 43.9 108.6 Up 10:56:21 - 11:20:52 2340
Lee Vining 11:08:26 -32.7 Dark Down 42.4 106.9 Up 10:56:11 - 11:20:42 2283
Bishop 11:08:32 -32.4 Dark Down 43.2 107.0 Up 10:56:16 - 11:20:47 2236
Beatty 11:08:40 -31.3 Dark Down 44.6 107.9 Up 10:56:25 - 11:20:56 2229
Indian Springs 11:08:47 -30.6 Dark Down 45.5 108.6 Up 10:56:31 - 11:21:02 2224
Henderson 11:08:51 -30.2 Dark Down 46.2 108.7 Up 10:56:35 - 11:21:06 2187
Patrick 11:08:59 -29.5 Dark Down 47.3 109.0 Up 10:56:43 - 11:21:14 2153
DCO 11:09:03 -29.0 Dark Down 48.0 109.3 Up 10:56:48 - 11:21:19 2142
Searchlight/Boulder City 11:08:53 -30.3 Dark Down 46.5 108.1 Up 10:56:37 - 11:21:08 2128
Kingman/Dolan Springs 11:08:57 -29.7 Dark Down 47.3 108.6 Up 10:56:42 - 11:21:13 2124
Laughlin/Bullhead City 11:08:57 -30.2 Dark Down 46.9 108.2 Up 10:56:41 - 11:21:12 2107
Mohave Valley 11:08:56 -30.2 Dark Down 46.9 107.9 Up 10:56:41 - 11:21:12 2078
George/Scottsdale 11:09:43 -28.3 Dark Down 49.6 109.1 Up 10:57:27 - 11:21:58 2067
Lake Havasu City 11:08:57 -30.2 Dark Down 47.3 107.7 Up 10:56:42 - 11:21:13 2044
Parker 11:09:00 -30.2 Dark Down 47.4 107.4 Up 10:56:45 - 11:21:16 2007
CPSLO 11:08:26 -34.9 Dark Down 41.9 103.3 Up 10:56:10 - 11:20:41 1962
Blythe 11:08:58 -30.6 Dark Down 47.3 106.6 Up 10:56:43 - 11:21:14 1943
Idyllwild 11:08:48 -32.3 Dark Down 45.5 105.0 Up 10:56:32 - 11:21:03 1895
Wildwood 11:08:38 -33.7 Dark Down 43.9 103.8 Up 10:56:22 - 11:20:53 1883
Calipatria 11:08:55 -31.5 Dark Down 46.7 105.3 Up 10:56:40 - 11:21:11 1864
Yuma 11:09:01 -30.9 Dark Down 47.5 105.6 Up 10:56:46 - 11:21:17 1845

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 11UQ62, (2024/10/02 11:15UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1 16.57  73
Alhena         06:37:42.8 +16:23:57  1.9  7.08  87
45 Gem         07:08:22.0 +15:55:48  6.4  1.80  80
PPM 123505     07:05:34.7 +14:28:23  6.8  0.23  80
PPM 123491     07:05:01.8 +14:13:41  8.8  0.16  81
11UQ62         07:05:41.5 +14:14:54 14.1        80
Positions are for J2000

Event circumstances last updated at 2020/03/25 00:41:15 UT

Marc W. Buie, Southwest Research Institute

RECON