RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1060:01720939 with event index number of 2135027

Geocentric closest approach at 2022/12/26 13:26:51 UTC

J2000 position of star is 06:15:34.6 +17:05:30
Equinox of date position of star is 06:16:54.7 +17:04:58
Stellar brightness G=14.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon. Moon is 14% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 17.7 AU from the Sun and 16.7 AU from the Earth.
Apparent velocity is 22.2 km/sec on the sky relative to the star, or, 6.6 arcsec/hr.
The 1-sigma error in the time of the event is 38 seconds.
The 1-sigma cross-track error in the shadow position is 630 km.
The sky-plane scale is 12134.6 km/arcsec.

The object has an absolute magnitude Hv=9.6
Diameter=71.8 km assuming a 5% albedo -- 3.2 sec chord
Diameter=29.3 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2022/12/26 13:27UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:25.0 +07:24:34  0.4 10.89 126
Alhena         06:39:02.4 +16:22:40  1.9  5.34 139
PPM 122145     06:15:49.1 +17:53:52  6.3  0.86 133
PPM 122205     06:17:43.9 +17:10:19  7.9  0.22 134
11UQ62         06:16:54.7 +17:04:58 14.6       134
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 13:23:39 -15.4 AT Down 9.7 285.4 Really Low 13:20:00 - 13:27:19 5370
Kamloops 13:23:36 -23.8 Dark Down 18.4 274.8 Really Low 13:19:57 - 13:27:16 4975
Kelowna 13:23:33 -23.1 Dark Down 17.7 275.7 Really Low 13:19:53 - 13:27:12 4930
Peachland 13:23:33 -23.3 Dark Down 17.9 275.5 Really Low 13:19:53 - 13:27:12 4916
Summerland 13:23:32 -23.2 Dark Down 17.8 275.6 Really Low 13:19:53 - 13:27:12 4906
Penticton 13:23:32 -23.1 Dark Down 17.8 275.7 Really Low 13:19:52 - 13:27:11 4903
Oliver 13:23:31 -23.1 Dark Down 17.7 275.9 Really Low 13:19:51 - 13:27:10 4876
Anarchist Mountain Observatory 13:23:30 -22.9 Dark Down 17.6 276.0 Really Low 13:19:50 - 13:27:09 4866
Okanogan 13:23:28 -23.0 Dark Down 17.7 276.1 Really Low 13:19:48 - 13:27:07 4810
Brewster 13:23:27 -23.1 Dark Down 17.8 276.0 Really Low 13:19:47 - 13:27:06 4785
Manson/Chelan 13:23:26 -23.3 Dark Down 18.0 275.8 Really Low 13:19:47 - 13:27:06 4760
Victoria 13:23:31 -25.5 Dark Down 20.2 273.2 Low 13:19:51 - 13:27:10 4744
Wenatchee 13:23:25 -23.3 Dark Down 18.1 275.8 Really Low 13:19:45 - 13:27:04 4718
Ellensburg 13:23:23 -23.4 Dark Down 18.2 275.8 Really Low 13:19:44 - 13:27:03 4680
Yakima 13:23:22 -23.3 Dark Down 18.2 275.9 Really Low 13:19:43 - 13:27:02 4646
PNWRO 13:23:19 -22.1 Dark Down 16.9 277.3 Really Low 13:19:40 - 13:26:59 4634
Toppenish/White Swan 13:23:21 -23.2 Dark Down 18.0 276.1 Really Low 13:19:42 - 13:27:01 4632
The Dalles 13:23:20 -23.6 Dark Down 18.5 275.8 Really Low 13:19:40 - 13:26:59 4550
Maupin 13:23:18 -23.4 Dark Down 18.4 276.0 Really Low 13:19:38 - 13:26:57 4518
Dunrhomin 13:23:00 -10.9 NT Down 6.0 287.4 Really Low 13:19:20 - 13:26:39 4485
Nikitin 13:22:59 -10.9 NT Down 6.0 287.4 Really Low 13:19:20 - 13:26:39 4469
CU-SBO 13:22:59 -10.9 NT Down 6.0 287.3 Really Low 13:19:19 - 13:26:38 4461
Sisters 13:23:15 -23.6 Dark Down 18.6 276.0 Really Low 13:19:36 - 13:26:55 4433
Bend 13:23:14 -23.4 Dark Down 18.4 276.2 Really Low 13:19:35 - 13:26:54 4418
Oregon Observatory 13:23:14 -23.5 Dark Down 18.5 276.2 Really Low 13:19:34 - 13:26:53 4401
Chiloquin 13:23:10 -23.5 Dark Down 18.7 276.4 Really Low 13:19:31 - 13:26:50 4278
Klamath Falls 13:23:09 -23.4 Dark Down 18.6 276.5 Really Low 13:19:30 - 13:26:49 4250
Cedarville 13:23:06 -22.1 Dark Down 17.3 277.8 Really Low 13:19:27 - 13:26:46 4226
Fall River/Burney 13:23:05 -22.9 Dark Down 18.2 277.1 Really Low 13:19:26 - 13:26:45 4154
Gimple 13:23:03 -22.4 Dark Down 17.7 277.8 Really Low 13:19:23 - 13:26:42 4086
Greenville 13:23:02 -22.4 Dark Down 17.7 277.7 Really Low 13:19:23 - 13:26:42 4084
Portola 13:23:01 -22.0 Dark Down 17.3 278.1 Really Low 13:19:21 - 13:26:40 4067
Quincy 13:23:01 -22.4 Dark Down 17.7 277.8 Really Low 13:19:22 - 13:26:41 4066
Reno 13:23:00 -21.4 Dark Down 16.8 278.6 Really Low 13:19:20 - 13:26:39 4058
Carson City 13:22:59 -21.3 Dark Down 16.7 278.7 Really Low 13:19:19 - 13:26:38 4027
Yerington 13:22:58 -20.8 Dark Down 16.2 279.1 Really Low 13:19:18 - 13:26:37 4025
Gardnerville 13:22:58 -21.3 Dark Down 16.7 278.8 Really Low 13:19:19 - 13:26:38 4006
Hawthorne 13:22:56 -20.3 Dark Down 15.7 279.6 Really Low 13:19:17 - 13:26:36 3996
Lee Vining 13:22:55 -20.6 Dark Down 16.0 279.4 Really Low 13:19:15 - 13:26:34 3933
Bishop 13:22:53 -19.9 Dark Down 15.4 280.0 Really Low 13:19:13 - 13:26:32 3896
Beatty 13:22:51 -18.5 Dark Down 14.0 281.0 Really Low 13:19:11 - 13:26:30 3895
Patrick 13:22:46 -15.8 AT Down 11.4 283.0 Really Low 13:19:07 - 13:26:26 3834
Laughlin/Bullhead City 13:22:45 -16.3 AT Down 11.9 282.6 Really Low 13:19:06 - 13:26:25 3793
Lake Havasu City 13:22:44 -15.9 AT Down 11.6 282.9 Really Low 13:19:04 - 13:26:23 3737
George/Scottsdale 13:22:41 -13.7 AT Down 9.4 284.3 Really Low 13:19:02 - 13:26:21 3732
Idyllwild 13:22:42 -17.6 AT Down 13.4 281.8 Really Low 13:19:03 - 13:26:22 3603
Wildwood 13:22:45 -19.2 Dark Down 15.0 280.7 Really Low 13:19:05 - 13:26:24 3587
Calipatria 13:22:40 -16.5 AT Down 12.3 282.5 Really Low 13:19:01 - 13:26:20 3577
Yuma 13:22:39 -15.6 AT Down 11.4 283.1 Really Low 13:19:00 - 13:26:19 3561

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, (2022/12/26 13:27UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.89 126
Alhena         06:37:42.8 +16:23:57  1.9  5.34 139
PPM 122145     06:14:28.6 +17:54:22  6.3  0.86 133
PPM 122205     06:16:23.8 +17:10:53  7.9  0.22 134
11UQ62         06:15:34.6 +17:05:30 14.6       134
Positions are for J2000

Event circumstances last updated at 2022/12/24 03:38:34 UT

Marc W. Buie, Southwest Research Institute

RECON