RECON: TNO occultation with 14WB510

Event between 14WB510 and star GA1140:02121134 with event index number of 1983878

Geocentric closest approach at 2024/10/24 11:07:38 UTC

J2000 position of star is 06:20:10.4 +25:44:45
Equinox of date position of star is 06:21:31.5 +25:44:05
Stellar brightness G=12.9, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 29 degrees from the moon. Moon is 49% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 32.7 AU from the Sun and 32.2 AU from the Earth.
The TNO is moving 8.7 km/sec on the sky relative to the star, or, 1.3 arcsec/hr.
The 1-sigma error in the time of the event is 1519 seconds.
The 1-sigma cross-track error in the shadow position is 3993 km.
The sky-plane scale is 23370.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=178.7 km assuming a 5% albedo -- 20.5 sec chord
Diameter=72.9 km assuming a 30% albedo -- 8.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WB510, (2024/10/24 11:08UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.0 +27:57:51  1.1 19.09  10
Alhena         06:39:08.7 +16:22:34  1.9 10.20  26
PPM 095919     06:26:15.4 +25:02:00  6.3  1.24  28
PPM 095750     06:20:15.7 +25:20:11  8.0  0.51  29
PPM 095817     06:22:25.0 +25:41:23  9.4  0.16  28
PPM 095812     06:22:09.3 +25:46:47 11.6  0.11  28
14WB510        06:21:42.6 +25:43:59 12.9        28
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 0.6 sigma about the mid-time.
The median site spacing is 27.5 km RECON observability=1.0 and success probability=11.1%
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 11:10:51 -32.8 Dark Up 63.4 152.4 Up 10:55:51 - 11:25:51 3618
Kelowna 11:10:53 -33.0 Dark Up 63.7 151.8 Up 10:55:53 - 11:25:53 3576
Peachland 11:10:56 -33.3 Dark Up 63.8 151.1 Up 10:55:56 - 11:25:56 3561
Summerland 11:10:53 -33.3 Dark Up 63.9 151.1 Up 10:55:53 - 11:25:53 3547
Penticton 11:10:53 -33.2 Dark Up 64.0 151.3 Up 10:55:53 - 11:25:53 3542
Oliver 11:10:53 -33.4 Dark Up 64.3 150.9 Up 10:55:53 - 11:25:53 3506
Anarchist Mountain Observatory 11:10:52 -33.3 Dark Up 64.5 151.1 Up 10:55:52 - 11:25:52 3491
Tonasket 11:10:51 -33.5 Dark Up 64.8 150.6 Up 10:55:51 - 11:25:51 3458
Okanogan 11:10:52 -33.7 Dark Up 65.0 150.0 Up 10:55:52 - 11:25:52 3421
Brewster 11:10:53 -33.9 Dark Up 65.2 149.3 Up 10:55:53 - 11:25:53 3391
Victoria 11:11:22 -35.9 Dark Up 63.5 143.1 Up 10:56:22 - 11:26:22 3389
Manson/Chelan 11:10:56 -34.2 Dark Up 65.2 148.4 Up 10:55:56 - 11:25:56 3364
Wenatchee 11:10:57 -34.5 Dark Up 65.6 147.5 Up 10:55:57 - 11:25:57 3313
Ellensburg 11:10:57 -34.8 Dark Up 65.8 146.5 Up 10:55:57 - 11:25:57 3267
Yakima 11:10:58 -34.9 Dark Up 66.2 146.0 Up 10:55:58 - 11:25:58 3224
Pasco 11:10:46 -34.2 Dark Up 67.0 148.5 Up 10:55:46 - 11:25:46 3209
Toppenish/White Swan 11:10:56 -34.9 Dark Up 66.4 146.1 Up 10:55:56 - 11:25:56 3204
PNWRO 11:10:43 -34.1 Dark Up 67.3 148.6 Up 10:55:43 - 11:25:43 3187
Goldendale 11:10:59 -35.4 Dark Up 66.7 144.5 Up 10:55:59 - 11:25:59 3140
The Dalles 11:11:02 -35.7 Dark Up 66.7 143.5 Up 10:56:02 - 11:26:02 3112
Maupin 11:11:00 -35.8 Dark Up 67.1 143.1 Up 10:56:00 - 11:26:00 3069
Redmond 11:11:00 -36.2 Dark Up 67.8 141.6 Up 10:56:00 - 11:26:00 2973
Sisters 11:11:04 -36.4 Dark Up 67.6 140.8 Up 10:56:04 - 11:26:04 2970
Bend 11:11:00 -36.3 Dark Up 67.9 140.9 Up 10:56:00 - 11:26:00 2948
Oregon Observatory 11:11:02 -36.5 Dark Up 68.0 140.4 Up 10:56:02 - 11:26:02 2928
La Pine/Gilchrist 11:11:02 -36.6 Dark Up 68.1 140.0 Up 10:56:02 - 11:26:02 2905
North Lake 11:10:57 -36.4 Dark Up 68.7 140.5 Up 10:55:57 - 11:25:57 2868
Dunrhomin 11:08:28 -26.0 Dark Up 75.5 180.9 Up 10:53:28 - 11:23:28 2859
Paisley 11:10:52 -36.3 Dark Up 69.3 140.3 Up 10:55:52 - 11:25:52 2814
Chiloquin 11:11:05 -37.2 Dark Up 68.8 137.4 Up 10:56:05 - 11:26:05 2782
Lakeview 11:10:49 -36.3 Dark Up 69.8 139.8 Up 10:55:49 - 11:25:49 2763
Klamath Falls 11:11:03 -37.3 Dark Up 69.1 136.9 Up 10:56:03 - 11:26:03 2747
Cedarville 11:10:47 -36.4 Dark Up 70.4 139.0 Up 10:55:47 - 11:25:47 2696
Fall River/Burney 11:10:58 -37.4 Dark Up 70.1 135.5 Up 10:55:58 - 11:25:58 2626
Susanville 11:10:50 -37.1 Dark Up 70.9 135.8 Up 10:55:50 - 11:25:50 2569
Gimple 11:10:52 -37.3 Dark Up 71.0 134.8 Up 10:55:52 - 11:25:52 2537
Greenville 11:10:53 -37.4 Dark Up 71.0 134.6 Up 10:55:53 - 11:25:53 2536
Quincy 11:10:52 -37.5 Dark Up 71.1 134.2 Up 10:55:52 - 11:25:52 2514
Portola 11:10:48 -37.2 Dark Up 71.5 135.0 Up 10:55:48 - 11:25:48 2507
Reno 11:10:42 -36.8 Dark Up 72.0 135.8 Up 10:55:42 - 11:25:42 2489
Carson City 11:10:40 -36.9 Dark Up 72.2 135.1 Up 10:55:40 - 11:25:40 2451
Yerington 11:10:34 -36.5 Dark Up 72.7 136.1 Up 10:55:34 - 11:25:34 2440
Gardnerville 11:10:39 -36.9 Dark Up 72.4 134.7 Up 10:55:39 - 11:25:39 2425
Hawthorne 11:10:29 -36.2 Dark Up 73.3 136.3 Up 10:55:29 - 11:25:29 2399
Tonopah 11:10:14 -35.3 Dark Up 74.4 138.8 Up 10:55:14 - 11:25:14 2373
Lee Vining 11:10:33 -36.7 Dark Up 73.5 133.8 Up 10:55:33 - 11:25:33 2330
Bishop 11:10:23 -36.3 Dark Up 74.3 134.0 Up 10:55:23 - 11:25:23 2278
Beatty 11:10:07 -35.2 Dark Up 75.5 137.1 Up 10:55:07 - 11:25:07 2257
Indian Springs 11:09:56 -34.5 Dark Up 76.3 139.3 Up 10:54:56 - 11:24:56 2242
Henderson 11:09:49 -34.0 Dark Up 77.0 140.0 Up 10:54:49 - 11:24:49 2198
Patrick 11:09:36 -33.3 Dark Up 78.1 141.8 Up 10:54:36 - 11:24:36 2153
Kingman/Dolan Springs 11:09:38 -33.5 Dark Up 78.1 140.5 Up 10:54:38 - 11:24:38 2125
Laughlin/Bullhead City 11:09:43 -33.9 Dark Up 77.9 138.7 Up 10:54:43 - 11:24:43 2112
Mohave Valley 11:09:41 -33.9 Dark Up 78.1 137.8 Up 10:54:41 - 11:24:41 2083
Lake Havasu City 11:09:39 -33.8 Dark Up 78.5 137.4 Up 10:54:39 - 11:24:39 2045
CPSLO 11:10:43 -38.5 Dark Up 74.2 123.2 Up 10:55:43 - 11:25:43 2018
George/Scottsdale 11:09:12 -32.0 Dark Up 80.4 144.2 Up 10:54:12 - 11:24:12 2014
Parker 11:09:37 -33.8 Dark Up 78.8 136.3 Up 10:54:37 - 11:24:37 2008
Blythe 11:09:39 -34.1 Dark Up 79.0 133.3 Up 10:54:39 - 11:24:39 1945
Wildwood 11:10:20 -37.2 Dark Up 76.2 123.8 Up 10:55:20 - 11:25:20 1921
Idyllwild 11:10:00 -35.8 Dark Up 77.6 127.3 Up 10:55:00 - 11:25:00 1916
Calipatria 11:09:48 -35.0 Dark Up 78.7 128.4 Up 10:54:48 - 11:24:48 1873
Yuma 11:09:37 -34.3 Dark Up 79.6 129.5 Up 10:54:37 - 11:24:37 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 14WB510, (2024/10/24 11:08UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 19.09  10
Alhena         06:37:42.8 +16:23:57  1.9 10.20  26
PPM 095919     06:24:43.7 +25:02:55  6.3  1.24  28
PPM 095750     06:18:43.8 +25:20:53  8.0  0.51  29
PPM 095817     06:20:52.8 +25:42:10  9.4  0.16  28
PPM 095812     06:20:37.1 +25:47:33 11.6  0.11  28
14WB510        06:20:10.4 +25:44:45 12.9        29
Positions are for J2000

Event circumstances last updated at 2021/10/30 23:06:48 UT

Marc W. Buie, Southwest Research Institute

RECON