RECON: TNO occultation with 10WG9

Event between 10WG9 and star GA1200:02544343 with event index number of 1201348

Geocentric closest approach at 2022/11/22 06:16:21 UTC

J2000 position of star is 06:27:12.2 +30:38:10
Equinox of date position of star is 06:28:27.3 +30:37:23
Stellar brightness G=14.1, use SENSEUP=64
Star is 121 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 26.4 AU from the Sun and 25.6 AU from the Earth.
The TNO is moving 23.9 km/sec on the sky relative to the star, or, 4.6 arcsec/hr.
The 1-sigma error in the time of the event is 118 seconds.
The 1-sigma cross-track error in the shadow position is 5056 km.
The sky-plane scale is 18543.1 km/arcsec.

The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 5.7 sec chord
Diameter=55.1 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10WG9, (2022/11/22 06:16UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:43.0 +27:58:09  1.1 17.20 104
Alnath         05:27:44.5 +28:37:29  1.6 13.38 135
48 Aur         06:30:02.3 +30:28:37  6.4  0.33 121
PPM 071636     06:29:08.7 +30:37:46  8.2  0.10 121
10WG9          06:28:40.6 +30:37:14 14.1       121
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 24.7 km RECON observability=1.0 and success probability=10.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 06:19:30 -55.9 Dark Down 41.8 90.0 Up 06:09:10 - 06:29:50 3177
Summerland 06:19:32 -56.0 Dark Down 41.6 89.5 Up 06:09:12 - 06:29:52 3150
Penticton 06:19:31 -56.1 Dark Down 41.7 89.5 Up 06:09:11 - 06:29:51 3141
Okanagan Falls 06:19:32 -56.2 Dark Down 41.6 89.4 Up 06:09:12 - 06:29:52 3121
Oliver 06:19:32 -56.4 Dark Down 41.7 89.2 Up 06:09:12 - 06:29:52 3104
Anarchist Mountain Observatory 06:19:32 -56.6 Dark Down 41.8 89.2 Up 06:09:12 - 06:29:52 3083
Oroville 06:19:32 -56.6 Dark Down 41.7 89.1 Up 06:09:12 - 06:29:52 3076
Tonasket 06:19:32 -56.8 Dark Down 41.7 88.9 Up 06:09:12 - 06:29:52 3051
Okanogan 06:19:33 -57.0 Dark Down 41.6 88.5 Up 06:09:13 - 06:29:53 3018
Brewster 06:19:34 -57.1 Dark Down 41.5 88.1 Up 06:09:14 - 06:29:54 2993
Manson/Chelan 06:19:35 -57.1 Dark Down 41.2 87.7 Up 06:09:15 - 06:29:55 2977
Entiat 06:19:35 -57.3 Dark Down 41.2 87.4 Up 06:09:15 - 06:29:55 2954
Wenatchee 06:19:36 -57.4 Dark Down 41.1 87.1 Up 06:09:16 - 06:29:56 2929
Ellensburg 06:19:37 -57.7 Dark Down 40.9 86.6 Up 06:09:17 - 06:29:57 2889
Yakima 06:19:37 -57.9 Dark Down 40.9 86.3 Up 06:09:17 - 06:29:57 2846
Toppenish/White Swan 06:19:37 -58.2 Dark Down 41.0 86.2 Up 06:09:17 - 06:29:57 2820
Pasco 06:19:35 -58.9 Dark Down 41.9 86.9 Up 06:09:15 - 06:29:55 2786
Goldendale 06:19:39 -58.4 Dark Down 40.7 85.4 Up 06:09:19 - 06:29:59 2769
PNWRO 06:19:35 -59.1 Dark Down 42.0 86.9 Up 06:09:15 - 06:29:55 2755
George/Umatilla 06:19:36 -59.0 Dark Down 41.7 86.5 Up 06:09:16 - 06:29:56 2754
The Dalles 06:19:40 -58.4 Dark Down 40.4 85.0 Up 06:09:20 - 06:30:00 2751
Maupin 06:19:40 -58.7 Dark Down 40.4 84.7 Up 06:09:20 - 06:30:00 2705
Madras/Culver 06:19:42 -59.1 Dark Down 40.4 84.2 Up 06:09:22 - 06:30:02 2647
Sisters 06:19:42 -59.1 Dark Down 40.0 83.6 Up 06:09:22 - 06:30:02 2620
Redmond 06:19:41 -59.3 Dark Down 40.3 83.9 Up 06:09:21 - 06:30:01 2610
Bend 06:19:42 -59.4 Dark Down 40.2 83.6 Up 06:09:22 - 06:30:02 2590
Oregon Observatory 06:19:43 -59.5 Dark Down 40.1 83.4 Up 06:09:23 - 06:30:03 2574
La Pine/Gilchrist 06:19:43 -59.6 Dark Down 40.0 83.2 Up 06:09:23 - 06:30:03 2553
North Lake 06:19:42 -60.2 Dark Down 40.4 83.2 Up 06:09:22 - 06:30:02 2495
Chiloquin 06:19:45 -60.1 Dark Down 39.6 82.1 Up 06:09:25 - 06:30:05 2441
Paisley 06:19:42 -60.8 Dark Down 40.6 82.9 Up 06:09:22 - 06:30:02 2429
Klamath Falls 06:19:45 -60.4 Dark Down 39.6 81.8 Up 06:09:25 - 06:30:05 2403
Lakeview 06:19:42 -61.2 Dark Down 40.6 82.6 Up 06:09:22 - 06:30:02 2371
Tulelake 06:19:45 -60.8 Dark Down 39.8 81.8 Up 06:09:25 - 06:30:05 2368
Cedarville 06:19:42 -61.8 Dark Down 40.7 82.2 Up 06:09:22 - 06:30:02 2297
Fall River/Burney 06:19:46 -61.4 Dark Down 39.7 81.1 Up 06:09:26 - 06:30:06 2269
Susanville 06:19:45 -62.2 Dark Down 40.2 81.0 Up 06:09:25 - 06:30:05 2186
Greenville 06:19:45 -62.2 Dark Down 39.9 80.6 Up 06:09:25 - 06:30:05 2162
Gimple 06:19:45 -62.3 Dark Down 40.0 80.6 Up 06:09:25 - 06:30:05 2161
Quincy 06:19:46 -62.4 Dark Down 39.9 80.4 Up 06:09:26 - 06:30:06 2141
Portola 06:19:45 -62.7 Dark Down 40.2 80.6 Up 06:09:25 - 06:30:05 2118
Reno 06:19:44 -63.3 Dark Down 40.7 80.7 Up 06:09:24 - 06:30:04 2076
Carson City 06:19:44 -63.5 Dark Down 40.6 80.4 Up 06:09:24 - 06:30:04 2037
Gardnerville 06:19:44 -63.7 Dark Down 40.6 80.2 Up 06:09:24 - 06:30:04 2010
Yerington 06:19:43 -64.0 Dark Down 41.1 80.5 Up 06:09:23 - 06:30:03 2004
Niwot 06:19:06 -69.2 Dark Down 51.8 89.6 Up 06:08:46 - 06:29:26 1955
Hawthorne 06:19:42 -64.6 Dark Down 41.4 80.4 Up 06:09:22 - 06:30:02 1944
SwRI 06:19:07 -69.2 Dark Down 51.7 89.4 Up 06:08:47 - 06:29:27 1944
Lee Vining 06:19:44 -64.7 Dark Down 40.9 79.7 Up 06:09:24 - 06:30:04 1892
Tonopah 06:19:39 -65.8 Dark Down 42.4 80.7 Up 06:09:19 - 06:29:59 1869
Bishop 06:19:42 -65.5 Dark Down 41.4 79.5 Up 06:09:22 - 06:30:02 1814
Beatty 06:19:39 -66.8 Dark Down 42.6 79.9 Up 06:09:19 - 06:29:59 1735
Lone Pine 06:19:42 -66.2 Dark Down 41.5 79.0 Up 06:09:22 - 06:30:02 1725
Indian Springs 06:19:36 -67.7 Dark Down 43.4 80.1 Up 06:09:16 - 06:29:56 1681
CPSLO 06:19:49 -65.3 Dark Down 39.2 76.8 Up 06:09:29 - 06:30:09 1635
Henderson 06:19:34 -68.4 Dark Down 43.8 79.9 Up 06:09:14 - 06:29:54 1612
Searchlight/Boulder City 06:19:35 -68.9 Dark Down 43.8 79.4 Up 06:09:15 - 06:29:55 1548
Patrick 06:19:32 -69.5 Dark Down 44.6 79.8 Up 06:09:12 - 06:29:52 1527
Laughlin/Bullhead City 06:19:34 -69.3 Dark Down 44.0 79.3 Up 06:09:14 - 06:29:54 1511
Kingman/Dolan Springs 06:19:32 -69.6 Dark Down 44.4 79.5 Up 06:09:12 - 06:29:52 1505
DCO 06:19:30 -70.2 Dark Down 45.1 79.8 Up 06:09:10 - 06:29:50 1483
Mohave Valley 06:19:34 -69.5 Dark Down 43.9 79.0 Up 06:09:14 - 06:29:54 1481
Wildwood 06:19:44 -67.3 Dark Down 40.5 76.7 Up 06:09:24 - 06:30:04 1463
Lake Havasu City 06:19:34 -69.9 Dark Down 44.1 78.7 Up 06:09:14 - 06:29:54 1433
Parker 06:19:34 -70.1 Dark Down 44.0 78.4 Up 06:09:14 - 06:29:54 1394
Idyllwild 06:19:40 -68.8 Dark Down 42.0 77.1 Up 06:09:20 - 06:30:00 1389
Blythe 06:19:35 -70.3 Dark Down 43.7 77.8 Up 06:09:15 - 06:29:55 1341
Calipatria 06:19:37 -70.0 Dark Down 42.8 77.0 Up 06:09:17 - 06:29:57 1303
Yuma 06:19:35 -70.8 Dark Down 43.4 76.9 Up 06:09:15 - 06:29:55 1241

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 10WG9, (2022/11/22 06:16UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1 17.20 104
Alnath         05:26:17.5 +28:36:23  1.6 13.38 135
48 Aur         06:28:34.1 +30:29:35  6.4  0.33 121
PPM 071636     06:27:40.3 +30:38:43  8.2  0.10 121
10WG9          06:27:12.2 +30:38:10 14.1       121
Positions are for J2000

Event circumstances last updated at 2019/06/08 04:23:00 UT

Marc W. Buie, Southwest Research Institute

RECON