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 11:13:47 UTC

J2000 position of star is 07:05:41.5 +14:14:54
Equinox of date position of star is 07:06:49.5 +14:13:00
Stellar brightness G=14.1, use SENSEUP=64
Star is 80 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.7

[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 152 seconds.
The 1-sigma cross-track error in the shadow position is 1718 km.
The sky-plane scale is 13895.3 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=71.8 km assuming a 5% albedo -- 6.0 sec chord
Diameter=29.3 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2024/10/02 11:14UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:49.9 +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 24.6 km RECON observability=1.0 and success probability=16.5%
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 11:07:03 -27.4 Dark Down 37.6 116.0 Up 10:53:53 - 11:20:13 3425
Kelowna 11:07:03 -27.7 Dark Down 37.6 115.6 Up 10:53:53 - 11:20:13 3382
Summerland 11:07:02 -28.0 Dark Down 37.6 115.2 Up 10:53:52 - 11:20:12 3350
Penticton 11:07:02 -27.9 Dark Down 37.7 115.3 Up 10:53:52 - 11:20:12 3346
Oliver 11:07:02 -28.1 Dark Down 37.9 115.0 Up 10:53:52 - 11:20:12 3308
Anarchist Mountain Observatory 11:07:02 -28.1 Dark Down 38.1 115.1 Up 10:53:52 - 11:20:12 3294
Tonasket 11:07:03 -28.3 Dark Down 38.1 114.8 Up 10:53:53 - 11:20:13 3261
Okanogan 11:07:02 -28.5 Dark Down 38.2 114.4 Up 10:53:52 - 11:20:12 3222
Brewster 11:07:01 -28.8 Dark Down 38.2 114.0 Up 10:53:51 - 11:20:11 3190
Victoria 11:06:48 -30.6 Dark Down 35.7 110.9 Up 10:53:38 - 11:19:58 3170
Manson/Chelan 11:06:59 -29.1 Dark Down 38.0 113.5 Up 10:53:49 - 11:20:09 3161
Entiat 11:07:00 -29.2 Dark Down 38.1 113.3 Up 10:53:50 - 11:20:10 3136
Wenatchee 11:07:00 -29.4 Dark Down 38.1 113.0 Up 10:53:50 - 11:20:10 3107
Ellensburg 11:06:59 -29.8 Dark Down 38.1 112.5 Up 10:53:49 - 11:20:09 3059
Yakima 11:06:59 -30.0 Dark Down 38.3 112.2 Up 10:53:49 - 11:20:09 3016
Pasco 11:07:05 -29.3 Dark Down 39.3 113.3 Up 10:53:55 - 11:20:15 3009
Toppenish/White Swan 11:07:00 -30.0 Dark Down 38.5 112.2 Up 10:53:50 - 11:20:10 2996
PNWRO 11:07:06 -29.2 Dark Down 39.6 113.4 Up 10:53:56 - 11:20:16 2987
Goldendale 11:06:58 -30.5 Dark Down 38.4 111.4 Up 10:53:48 - 11:20:08 2929
The Dalles 11:06:56 -30.9 Dark Down 38.2 110.9 Up 10:53:46 - 11:20:06 2898
Maupin 11:06:57 -31.0 Dark Down 38.5 110.7 Up 10:53:47 - 11:20:07 2855
Niwot 11:08:19 -21.7 Dark Down 51.4 122.6 Up 10:55:09 - 11:21:29 2758
Redmond 11:06:57 -31.5 Dark Down 38.7 109.9 Up 10:53:47 - 11:20:07 2757
Sisters 11:06:56 -31.7 Dark Down 38.4 109.6 Up 10:53:46 - 11:20:06 2752
SwRI 11:08:19 -21.8 Dark Down 51.4 122.4 Up 10:55:09 - 11:21:29 2744
Bend 11:06:57 -31.7 Dark Down 38.7 109.6 Up 10:53:47 - 11:20:07 2731
Oregon Observatory 11:06:56 -31.9 Dark Down 38.6 109.4 Up 10:53:46 - 11:20:06 2710
La Pine/Gilchrist 11:06:55 -32.0 Dark Down 38.7 109.2 Up 10:53:45 - 11:20:05 2687
North Lake 11:06:59 -31.8 Dark Down 39.2 109.4 Up 10:53:49 - 11:20:09 2652
Paisley 11:07:01 -31.8 Dark Down 39.7 109.3 Up 10:53:51 - 11:20:11 2601
Lakeview 11:07:03 -31.9 Dark Down 40.0 109.1 Up 10:53:53 - 11:20:13 2550
Klamath Falls 11:06:56 -32.9 Dark Down 38.9 107.8 Up 10:53:46 - 11:20:06 2525
Cedarville 11:07:04 -32.1 Dark Down 40.3 108.7 Up 10:53:54 - 11:20:14 2484
Fall River/Burney 11:06:59 -33.2 Dark Down 39.6 107.2 Up 10:53:49 - 11:20:09 2406
Susanville 11:07:03 -32.9 Dark Down 40.3 107.4 Up 10:53:53 - 11:20:13 2354
Gimple 11:07:02 -33.2 Dark Down 40.2 107.0 Up 10:53:52 - 11:20:12 2320
Greenville 11:07:01 -33.3 Dark Down 40.2 106.9 Up 10:53:51 - 11:20:11 2318
Quincy 11:07:03 -33.4 Dark Down 40.2 106.7 Up 10:53:53 - 11:20:13 2296
Portola 11:07:05 -33.1 Dark Down 40.6 107.0 Up 10:53:55 - 11:20:15 2293
Reno 11:07:08 -32.7 Dark Down 41.2 107.4 Up 10:53:58 - 11:20:18 2279
Carson City 11:07:06 -32.9 Dark Down 41.3 107.1 Up 10:53:56 - 11:20:16 2241
Yerington 11:07:10 -32.5 Dark Down 41.9 107.5 Up 10:54:00 - 11:20:20 2235
Gardnerville 11:07:09 -32.9 Dark Down 41.4 106.9 Up 10:53:59 - 11:20:19 2216
Hawthorne 11:07:14 -32.3 Dark Down 42.4 107.5 Up 10:54:04 - 11:20:24 2198
Tonopah 11:07:21 -31.4 Dark Down 43.6 108.3 Up 10:54:11 - 11:20:31 2182
Lee Vining 11:07:13 -32.9 Dark Down 42.2 106.6 Up 10:54:03 - 11:20:23 2126
Bishop 11:07:17 -32.6 Dark Down 42.9 106.7 Up 10:54:07 - 11:20:27 2079
Beatty 11:07:27 -31.5 Dark Down 44.4 107.7 Up 10:54:17 - 11:20:37 2071
Indian Springs 11:07:32 -30.8 Dark Down 45.3 108.3 Up 10:54:22 - 11:20:42 2066
Henderson 11:07:37 -30.4 Dark Down 46.0 108.4 Up 10:54:27 - 11:20:47 2028
Patrick 11:07:45 -29.8 Dark Down 47.1 108.8 Up 10:54:35 - 11:20:55 1994
DCO 11:07:49 -29.3 Dark Down 47.8 109.1 Up 10:54:39 - 11:20:59 1983
Searchlight/Boulder City 11:07:38 -30.6 Dark Down 46.2 107.9 Up 10:54:28 - 11:20:48 1969
Kingman/Dolan Springs 11:07:44 -30.0 Dark Down 47.0 108.4 Up 10:54:34 - 11:20:54 1965
Laughlin/Bullhead City 11:07:40 -30.4 Dark Down 46.6 107.9 Up 10:54:30 - 11:20:50 1948
Mohave Valley 11:07:42 -30.5 Dark Down 46.7 107.6 Up 10:54:32 - 11:20:52 1919
Lake Havasu City 11:07:44 -30.4 Dark Down 47.0 107.4 Up 10:54:34 - 11:20:54 1885
George/Scottsdale 11:07:58 -28.6 Dark Down 49.3 108.7 Up 10:54:48 - 11:21:08 1878
Parker 11:07:45 -30.5 Dark Down 47.2 107.1 Up 10:54:35 - 11:20:55 1848
CPSLO 11:07:11 -35.1 Dark Down 41.7 103.1 Up 10:54:01 - 11:20:21 1805
Blythe 11:07:44 -30.9 Dark Down 47.1 106.3 Up 10:54:34 - 11:20:54 1784
Idyllwild 11:07:34 -32.6 Dark Down 45.3 104.7 Up 10:54:24 - 11:20:44 1737
Wildwood 11:07:23 -33.9 Dark Down 43.7 103.6 Up 10:54:13 - 11:20:33 1725
Calipatria 11:07:41 -31.8 Dark Down 46.4 105.1 Up 10:54:31 - 11:20:51 1705
Yuma 11:07:46 -31.2 Dark Down 47.3 105.3 Up 10:54:36 - 11:20:56 1686

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 11:14UT)
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 2020/01/07 23:17:05 UT

Marc W. Buie, Southwest Research Institute

RECON