RECON: TNO occultation with 14WE510

Event between 14WE510 and star GA1040:01079219 with event index number of 2570490

Geocentric closest approach at 2021/10/06 12:33:57 UTC

J2000 position of star is 05:43:22.6 +15:41:42
Equinox of date position of star is 05:44:37.4 +15:42:12
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 27.6 AU from the Sun and 27.3 AU from the Earth.
The TNO is moving 3.7 km/sec on the sky relative to the star, or, 0.7 arcsec/hr.
The 1-sigma error in the time of the event is 1337 seconds.
The 1-sigma cross-track error in the shadow position is 2912 km.
The sky-plane scale is 19775.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=159.2 km assuming a 5% albedo -- 43.4 sec chord
Diameter=65.0 km assuming a 30% albedo -- 17.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WE510, (2021/10/06 12:34UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:21.0 +07:24:34  0.4  8.78 106
Bellatrix      05:26:18.0 +06:22:03  1.6 10.36 113
126 Tau        05:42:33.2 +16:32:36  4.6  0.98 109
PPM 121346     05:46:08.5 +16:05:37  7.1  0.53 108
PPM 121300     05:43:48.5 +15:47:50  9.4  0.22 109
14WE510        05:44:37.7 +15:42:12 17.0       108
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 0.7 sigma about the mid-time.
The median site spacing is 24.9 km RECON observability=0.8 and success probability=16.4%
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 12:30:14 -16.0 AT Down 55.4 176.3 Up 12:15:14 - 12:45:14 208
Kelowna 12:30:19 -16.2 AT Down 55.8 176.0 Up 12:15:19 - 12:45:19 177
Peachland 12:30:25 -16.4 AT Down 55.9 175.5 Up 12:15:25 - 12:45:25 173
Summerland 12:30:26 -16.3 AT Down 56.0 175.7 Up 12:15:26 - 12:45:26 158
Penticton 12:30:24 -16.3 AT Down 56.1 175.8 Up 12:15:24 - 12:45:24 150
Victoria 12:31:39 -18.8 Dark Down 56.8 169.5 Up 12:16:39 - 12:46:39 138
Oliver 12:30:27 -16.3 AT Down 56.5 175.8 Up 12:15:27 - 12:45:27 119
Anarchist Mountain Observatory 12:30:24 -16.3 AT Down 56.6 176.1 Up 12:15:24 - 12:45:24 100
Tonasket 12:30:27 -16.4 AT Down 56.9 176.0 Up 12:15:27 - 12:45:27 74
Okanogan 12:30:32 -16.5 AT Down 57.3 175.7 Up 12:15:32 - 12:45:32 47
Brewster 12:30:38 -16.7 AT Down 57.5 175.4 Up 12:15:38 - 12:45:38 26
Manson/Chelan 12:30:46 -16.9 AT Down 57.7 174.7 Up 12:15:46 - 12:45:46 15
Wenatchee 12:30:53 -17.1 AT Down 58.2 174.4 Up 12:15:53 - 12:45:53 -24
Ellensburg 12:31:00 -17.3 AT Down 58.6 174.0 Up 12:16:00 - 12:46:00 -57
Yakima 12:31:03 -17.4 AT Down 59.0 173.9 Up 12:16:03 - 12:46:03 -94
Toppenish/White Swan 12:31:02 -17.3 AT Down 59.2 174.2 Up 12:16:02 - 12:46:02 -117
Pasco 12:30:39 -16.6 AT Down 59.4 176.4 Up 12:15:39 - 12:45:39 -154
Goldendale 12:31:14 -17.7 AT Down 59.7 173.4 Up 12:16:14 - 12:46:14 -158
The Dalles 12:31:22 -18.0 AT Down 59.9 172.7 Up 12:16:22 - 12:46:22 -171
PNWRO 12:30:36 -16.4 AT Down 59.7 176.8 Up 12:15:36 - 12:45:36 -181
Maupin 12:31:24 -18.0 AT Down 60.4 172.8 Up 12:16:24 - 12:46:24 -212
Sisters 12:31:39 -18.4 Dark Down 61.2 171.8 Up 12:16:39 - 12:46:39 -283
Redmond 12:31:32 -18.2 Dark Down 61.2 172.5 Up 12:16:32 - 12:46:32 -294
Bend 12:31:37 -18.3 Dark Down 61.4 172.2 Up 12:16:37 - 12:46:37 -310
Oregon Observatory 12:31:40 -18.4 Dark Down 61.6 171.9 Up 12:16:40 - 12:46:40 -324
La Pine/Gilchrist 12:31:42 -18.5 Dark Down 61.8 171.8 Up 12:16:42 - 12:46:42 -341
North Lake 12:31:34 -18.2 Dark Down 62.3 172.8 Up 12:16:34 - 12:46:34 -395
Chiloquin 12:31:58 -18.9 Dark Down 62.9 170.8 Up 12:16:58 - 12:46:58 -438
Paisley 12:31:31 -18.0 Dark Down 62.9 173.4 Up 12:16:31 - 12:46:31 -455
Klamath Falls 12:31:58 -18.9 Dark Down 63.2 170.9 Up 12:16:58 - 12:46:58 -472
Lakeview 12:31:31 -17.9 AT Down 63.4 173.7 Up 12:16:31 - 12:46:31 -508
Cedarville 12:31:31 -17.9 AT Down 64.1 174.0 Up 12:16:31 - 12:46:31 -574
Fall River/Burney 12:31:59 -18.8 Dark Down 64.4 171.4 Up 12:16:59 - 12:46:59 -593
Susanville 12:31:49 -18.4 Dark Down 65.1 172.8 Up 12:16:49 - 12:46:49 -671
Greenville 12:31:57 -18.6 Dark Down 65.4 172.1 Up 12:16:57 - 12:46:57 -690
Gimple 12:31:56 -18.6 Dark Down 65.4 172.3 Up 12:16:56 - 12:46:56 -693
Quincy 12:31:59 -18.7 Dark Down 65.6 172.1 Up 12:16:59 - 12:46:59 -710
Portola 12:31:52 -18.3 Dark Down 65.7 173.1 Up 12:16:52 - 12:46:52 -733
Reno 12:31:40 -17.9 AT Down 66.1 174.4 Up 12:16:40 - 12:46:40 -774
Carson City 12:31:40 -18.0 AT Down 66.4 174.4 Up 12:16:40 - 12:46:40 -809
Gardnerville 12:31:42 -17.9 AT Down 66.7 174.5 Up 12:16:42 - 12:46:42 -834
Yerington 12:31:28 -17.5 AT Down 66.7 175.8 Up 12:16:28 - 12:46:28 -843
Hawthorne 12:31:22 -17.2 AT Down 67.1 176.9 Up 12:16:22 - 12:46:22 -901
Lee Vining 12:31:36 -17.6 AT Down 67.7 175.8 Up 12:16:36 - 12:46:36 -945
Tonopah 12:30:54 -16.2 AT Down 67.6 180.2 Up 12:15:54 - 12:45:54 -978
Dunrhomin 12:26:36 -7.6 NT Down 63.6 204.5 Up 12:11:36 - 12:41:36 -999
Bishop 12:31:26 -17.1 AT Down 68.3 177.4 Up 12:16:26 - 12:46:26 -1021
Beatty 12:30:54 -16.0 AT Down 68.8 181.4 Up 12:15:54 - 12:45:54 -1104
Indian Springs 12:30:31 -15.2 AT Down 69.1 184.1 Up 12:15:31 - 12:45:31 -1161
CPSLO 12:32:26 -19.0 Dark Down 70.2 171.4 Up 12:17:26 - 12:47:26 -1174
Henderson 12:30:21 -14.8 AT Down 69.6 185.9 Up 12:15:21 - 12:45:21 -1231
Patrick 12:29:59 -14.0 AT Down 70.1 189.0 Up 12:14:59 - 12:44:59 -1319
Laughlin/Bullhead City 12:30:17 -14.5 AT Down 70.4 187.3 Up 12:15:17 - 12:45:17 -1328
Kingman/Dolan Springs 12:30:05 -14.1 AT Down 70.3 188.6 Up 12:15:05 - 12:45:05 -1337
Wildwood 12:31:52 -17.6 AT Down 71.6 176.7 Up 12:16:52 - 12:46:52 -1345
Mohave Valley 12:30:19 -14.5 AT Down 70.7 187.5 Up 12:15:19 - 12:45:19 -1356
Lake Havasu City 12:30:14 -14.3 AT Down 71.0 188.3 Up 12:15:14 - 12:45:14 -1403
Idyllwild 12:31:11 -16.2 AT Down 72.0 182.0 Up 12:16:11 - 12:46:11 -1426
Parker 12:30:16 -14.3 AT Down 71.4 188.5 Up 12:15:16 - 12:45:16 -1439
Blythe 12:30:27 -14.6 AT Down 71.9 188.0 Up 12:15:27 - 12:45:27 -1487
Calipatria 12:30:49 -15.3 AT Down 72.5 185.5 Up 12:15:49 - 12:45:49 -1516
George/Scottsdale 12:29:25 -12.5 AT Down 71.4 195.4 Up 12:14:25 - 12:44:25 -1536
Yuma 12:30:32 -14.6 AT Down 72.8 188.4 Up 12:15:32 - 12:45:32 -1581

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 14WE510, (2021/10/06 12:34UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  8.78 106
Bellatrix      05:25:07.8 +06:20:58  1.6 10.36 113
126 Tau        05:41:17.7 +16:32:02  4.6  0.98 109
PPM 121346     05:44:53.2 +16:05:10  7.1  0.53 108
PPM 121300     05:42:33.4 +15:47:18  9.4  0.22 109
14WE510        05:43:22.6 +15:41:42 17.0       109
Positions are for J2000

Event circumstances last updated at 2021/09/02 01:54:56 UT

Marc W. Buie, Southwest Research Institute

RECON