RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1080:01274116 with event index number of 2134841

Geocentric closest approach at 2022/03/18 07:22:17 UTC

J2000 position of star is 05:43:02.4 +18:38:38
Equinox of date position of star is 05:44:20.3 +18:39:09
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 92 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 17.2 AU from the Sun and 17.2 AU from the Earth.
The TNO is moving 8.8 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 91 seconds.
The 1-sigma cross-track error in the shadow position is 634 km.
The sky-plane scale is 12443.5 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=72.1 km assuming a 5% albedo -- 8.1 sec chord
Diameter=29.4 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2022/03/18 07:23UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:22.5 +07:24:34  0.4 11.62  90
Alnath         05:27:41.9 +28:37:27  1.6 10.67  95
122 Tau        05:38:21.1 +17:03:07  5.7  2.14  94
PPM 121313     05:44:25.5 +18:31:42  8.3  0.13  92
11UQ62         05:44:20.7 +18:39:09 16.9        92
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 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:29:53 -38.7 Dark Up 10.7 286.7 Really Low 07:21:49 - 07:37:58 6679
Kamloops 07:30:04 -39.6 Dark Up 19.2 276.3 Really Low 07:21:59 - 07:38:08 6262
Kelowna 07:30:13 -40.5 Dark Up 18.5 277.3 Really Low 07:22:09 - 07:38:18 6222
Peachland 07:30:13 -40.5 Dark Up 18.7 277.1 Really Low 07:22:09 - 07:38:18 6207
Summerland 07:30:14 -40.7 Dark Up 18.6 277.2 Really Low 07:22:10 - 07:38:19 6198
Penticton 07:30:16 -40.8 Dark Up 18.5 277.3 Really Low 07:22:12 - 07:38:21 6196
Oliver 07:30:18 -41.1 Dark Up 18.4 277.4 Really Low 07:22:14 - 07:38:23 6170
Anarchist Mountain Observatory 07:30:20 -41.3 Dark Up 18.3 277.6 Really Low 07:22:16 - 07:38:25 6162
Tonasket 07:30:23 -41.6 Dark Up 18.3 277.7 Really Low 07:22:19 - 07:38:28 6137
Okanogan 07:30:26 -41.9 Dark Up 18.3 277.7 Really Low 07:22:22 - 07:38:31 6108
Brewster 07:30:28 -42.2 Dark Up 18.4 277.7 Really Low 07:22:24 - 07:38:33 6082
Manson/Chelan 07:30:29 -42.3 Dark Up 18.6 277.5 Really Low 07:22:25 - 07:38:34 6058
Victoria 07:30:20 -41.1 Dark Up 20.9 274.9 Low 07:22:15 - 07:38:24 6031
Wenatchee 07:30:35 -42.8 Dark Up 18.7 277.5 Really Low 07:22:31 - 07:38:40 6017
Ellensburg 07:30:38 -43.1 Dark Up 18.8 277.5 Really Low 07:22:33 - 07:38:42 5980
Yakima 07:30:42 -43.5 Dark Up 18.7 277.7 Really Low 07:22:38 - 07:38:47 5948
PNWRO 07:30:47 -44.3 Dark Up 17.5 279.0 Really Low 07:22:43 - 07:38:52 5943
Toppenish/White Swan 07:30:43 -43.8 Dark Up 18.6 277.9 Really Low 07:22:38 - 07:38:47 5935
Goldendale 07:30:47 -44.2 Dark Up 18.8 277.8 Really Low 07:22:42 - 07:38:51 5881
The Dalles 07:30:48 -44.4 Dark Up 19.0 277.6 Really Low 07:22:44 - 07:38:53 5854
Dunrhomin 07:31:33 -50.3 Dark Up 6.2 289.2 Really Low 07:23:29 - 07:39:38 5848
Maupin 07:30:52 -44.8 Dark Up 18.8 277.8 Really Low 07:22:48 - 07:38:57 5824
Sisters 07:31:00 -45.6 Dark Up 19.0 277.8 Really Low 07:22:55 - 07:39:04 5741
Bend 07:31:01 -45.9 Dark Up 18.8 278.1 Really Low 07:22:57 - 07:39:06 5728
Oregon Observatory 07:31:03 -46.0 Dark Up 18.9 278.0 Really Low 07:22:59 - 07:39:08 5710
North Lake 07:31:08 -46.7 Dark Up 18.4 278.6 Really Low 07:23:04 - 07:39:13 5672
Lakeview 07:31:17 -47.9 Dark Up 17.8 279.3 Really Low 07:23:13 - 07:39:22 5598
Chiloquin 07:31:13 -47.2 Dark Up 19.0 278.2 Really Low 07:23:09 - 07:39:18 5591
Klamath Falls 07:31:15 -47.5 Dark Up 18.9 278.4 Really Low 07:23:11 - 07:39:20 5565
Cedarville 07:31:24 -48.5 Dark Up 17.5 279.7 Really Low 07:23:19 - 07:39:28 5548
Fall River/Burney 07:31:25 -48.8 Dark Up 18.4 279.1 Really Low 07:23:21 - 07:39:30 5475
Susanville 07:31:31 -49.5 Dark Up 17.7 279.7 Really Low 07:23:27 - 07:39:36 5441
Gimple 07:31:34 -49.7 Dark Up 17.8 279.7 Really Low 07:23:29 - 07:39:38 5412
Greenville 07:31:34 -49.7 Dark Up 17.9 279.7 Really Low 07:23:29 - 07:39:38 5410
Portola 07:31:36 -50.1 Dark Up 17.4 280.1 Really Low 07:23:32 - 07:39:41 5395
Quincy 07:31:35 -49.9 Dark Up 17.8 279.7 Really Low 07:23:30 - 07:39:39 5392
Reno 07:31:40 -50.5 Dark Up 16.9 280.5 Really Low 07:23:36 - 07:39:45 5389
Yerington 07:31:45 -51.2 Dark Up 16.3 281.1 Really Low 07:23:40 - 07:39:49 5360
Carson City 07:31:43 -50.9 Dark Up 16.8 280.7 Really Low 07:23:38 - 07:39:47 5359
Gardnerville 07:31:44 -51.1 Dark Up 16.7 280.8 Really Low 07:23:40 - 07:39:49 5339
Hawthorne 07:31:48 -51.7 Dark Up 15.7 281.5 Really Low 07:23:44 - 07:39:53 5334
Tonopah 07:31:53 -52.4 Dark Up 14.5 282.5 Really Low 07:23:48 - 07:39:57 5333
Lee Vining 07:31:52 -52.2 Dark Up 16.0 281.4 Really Low 07:23:48 - 07:39:57 5272
Indian Springs 07:32:05 -54.1 Dark Up 13.0 283.7 Really Low 07:24:00 - 07:40:09 5247
Beatty 07:32:02 -53.6 Dark Up 13.9 283.1 Really Low 07:23:57 - 07:40:06 5245
Bishop 07:31:57 -52.9 Dark Up 15.3 282.0 Really Low 07:23:52 - 07:40:01 5239
Henderson 07:32:10 -54.7 Dark Up 12.3 284.2 Really Low 07:24:06 - 07:40:15 5220
Patrick 07:32:14 -55.4 Dark Up 11.2 285.0 Really Low 07:24:09 - 07:40:18 5198
Kingman/Dolan Springs 07:32:15 -55.6 Dark Up 11.3 284.9 Really Low 07:24:10 - 07:40:19 5173
Laughlin/Bullhead City 07:32:15 -55.6 Dark Up 11.7 284.7 Really Low 07:24:11 - 07:40:20 5155
Mohave Valley 07:32:17 -55.9 Dark Up 11.7 284.7 Really Low 07:24:13 - 07:40:22 5131
George/Scottsdale 07:32:26 -57.2 Dark Up 9.1 286.4 Really Low 07:24:21 - 07:40:30 5107
Lake Havasu City 07:32:19 -56.3 Dark Up 11.3 284.9 Really Low 07:24:15 - 07:40:24 5103
Parker 07:32:22 -56.6 Dark Up 11.2 285.0 Really Low 07:24:18 - 07:40:27 5073
Idyllwild 07:32:23 -56.8 Dark Up 13.1 283.9 Really Low 07:24:19 - 07:40:28 4965
Calipatria 07:32:29 -57.5 Dark Up 11.9 284.6 Really Low 07:24:24 - 07:40:33 4945
Wildwood 07:32:20 -56.1 Dark Up 14.7 282.8 Really Low 07:24:15 - 07:40:24 4942
Yuma 07:32:31 -58.1 Dark Up 11.1 285.1 Really Low 07:24:27 - 07:40:36 4932

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, (2022/03/18 07:23UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.62  90
Alnath         05:26:17.6 +28:36:23  1.6 10.67  95
122 Tau        05:37:03.8 +17:02:24  5.7  2.14  94
PPM 121313     05:43:07.3 +18:31:11  8.3  0.13  92
11UQ62         05:43:02.4 +18:38:38 16.9        92
Positions are for J2000

Event circumstances last updated at 2022/02/02 01:09:19 UT

Marc W. Buie, Southwest Research Institute

RECON