RECON: TNO occultation with 11HJ103

Event between 11HJ103 and star GA0680:35464827 with event index number of 2118250

Geocentric closest approach at 2022/06/07 08:40:41 UTC

J2000 position of star is 19:42:41.6 -20:04:24
Equinox of date position of star is 19:43:59.6 -20:01:10
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 130 degrees from the moon. Moon is 48% illuminated.
TNO apparent brightness V=24.2

[RECON map]
TNO is 39.8 AU from the Sun and 39.0 AU from the Earth.
The TNO is moving 18.0 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 892 seconds.
The 1-sigma cross-track error in the shadow position is 2450 km.
The sky-plane scale is 28264.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=146.6 km assuming a 5% albedo -- 8.1 sec chord
Diameter=59.8 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 11HJ103, (2022/06/07 08:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.2 -26:28:47  0.9 44.60  87
Nunki          18:56:39.3 -26:16:01  2.0 12.54 119
PPM 236251     19:38:21.3 -18:10:46  5.7  2.27 129
PPM 270117     19:41:29.0 -20:29:41  7.9  0.76 129
PPM 270175     19:44:06.7 -20:08:29  9.0  0.13 130
11HJ103        19:44:00.4 -20:01:08 16.0       130
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 1.0 sigma about the mid-time.
The median site spacing is 16.5 km RECON observability=0.6 and success probability=4.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:40:40 -12.1 AT Down 16.6 164.6 Really Low 08:25:40 - 08:55:40 3504
Kamloops 08:41:34 -16.0 AT Up 14.5 151.1 Really Low 08:26:34 - 08:56:34 3491
Kelowna 08:41:33 -16.7 AT Up 15.5 151.8 Really Low 08:26:33 - 08:56:33 3464
Peachland 08:41:34 -16.8 AT Up 15.5 151.5 Really Low 08:26:34 - 08:56:34 3461
Summerland 08:41:34 -17.0 AT Up 15.7 151.6 Really Low 08:26:34 - 08:56:34 3456
Penticton 08:41:34 -17.0 AT Up 15.8 151.7 Really Low 08:26:34 - 08:56:34 3453
Oliver 08:41:35 -17.4 AT Up 16.1 151.6 Really Low 08:26:35 - 08:56:35 3441
Anarchist Mountain Observatory 08:41:35 -17.5 AT Up 16.3 151.8 Really Low 08:26:35 - 08:56:35 3436
Tonasket 08:41:36 -17.8 AT Up 16.5 151.7 Really Low 08:26:36 - 08:56:36 3424
Okanogan 08:41:37 -18.2 Dark Up 16.8 151.5 Really Low 08:26:37 - 08:56:37 3412
Victoria 08:41:49 -18.4 Dark Up 15.4 148.1 Really Low 08:26:49 - 08:56:49 3411
Brewster 08:41:39 -18.5 Dark Up 17.0 151.3 Really Low 08:26:39 - 08:56:39 3401
Manson/Chelan 08:41:41 -18.7 Dark Up 17.0 150.9 Really Low 08:26:41 - 08:56:41 3393
Wenatchee 08:41:43 -19.2 Dark Up 17.4 150.7 Really Low 08:26:43 - 08:56:43 3375
Ellensburg 08:41:45 -19.6 Dark Up 17.7 150.4 Really Low 08:26:45 - 08:56:45 3359
Yakima 08:41:45 -20.0 Dark Up 18.0 150.3 Really Low 08:26:45 - 08:56:45 3343
Toppenish/White Swan 08:41:45 -20.2 Dark Up 18.3 150.5 Really Low 08:26:45 - 08:56:45 3334
PNWRO 08:41:41 -20.4 Dark Up 19.1 151.8 Really Low 08:26:41 - 08:56:41 3321
Goldendale 08:41:48 -20.8 Dark Up 18.6 150.0 Really Low 08:26:48 - 08:56:48 3311
The Dalles 08:41:49 -21.1 Dark Up 18.7 149.6 Really Low 08:26:49 - 08:56:49 3301
Maupin 08:41:49 -21.5 Dark Up 19.1 149.6 Really Low 08:26:49 - 08:56:49 3284
Sisters 08:41:49 -22.4 Dark Up 19.6 149.0 Really Low 08:26:49 - 08:56:49 3248
Bend 08:41:49 -22.6 Dark Up 19.9 149.2 Really Low 08:26:49 - 08:56:49 3238
Oregon Observatory 08:41:49 -22.8 Dark Up 20.0 149.1 Low 08:26:49 - 08:56:49 3230
North Lake 08:41:49 -23.4 Dark Up 20.8 149.5 Low 08:26:49 - 08:56:49 3202
Chiloquin 08:41:49 -24.2 Dark Up 21.0 148.4 Low 08:26:49 - 08:56:49 3175
Klamath Falls 08:41:49 -24.5 Dark Up 21.3 148.4 Low 08:26:49 - 08:56:49 3159
Lakeview 08:41:49 -24.3 Dark Up 21.9 149.8 Low 08:26:49 - 08:56:49 3154
Cedarville 08:41:49 -25.0 Dark Up 22.5 149.8 Low 08:26:49 - 08:56:49 3123
Fall River/Burney 08:41:49 -25.6 Dark Up 22.5 148.5 Low 08:26:49 - 08:56:49 3105
Susanville 08:41:49 -26.1 Dark Up 23.3 149.1 Low 08:26:49 - 08:56:49 3073
Greenville 08:41:49 -26.4 Dark Up 23.4 148.8 Low 08:26:49 - 08:56:49 3061
Gimple 08:41:49 -26.4 Dark Up 23.5 148.8 Low 08:26:49 - 08:56:49 3061
Quincy 08:41:49 -26.6 Dark Up 23.6 148.7 Low 08:26:49 - 08:56:49 3052
Portola 08:41:49 -26.7 Dark Up 23.9 149.1 Low 08:26:49 - 08:56:49 3043
Reno 08:41:49 -26.9 Dark Down 24.4 149.7 Low 08:26:49 - 08:56:49 3027
Dunrhomin 08:40:56 -22.7 Dark Down 28.1 164.1 Low 08:25:56 - 08:55:56 3012
Carson City 08:41:49 -27.2 Dark Down 24.7 149.6 Low 08:26:49 - 08:56:49 3010
CU-SBO 08:40:57 -23.0 Dark Down 28.3 164.0 Low 08:25:57 - 08:55:57 3000
Gardnerville 08:41:49 -27.4 Dark Down 24.9 149.6 Low 08:26:49 - 08:56:49 2998
Yerington 08:41:49 -27.3 Dark Down 25.1 150.2 Low 08:26:49 - 08:56:49 2997
Hawthorne 08:41:49 -27.7 Dark Down 25.7 150.6 Low 08:26:49 - 08:56:49 2971
Lee Vining 08:41:49 -28.3 Dark Down 26.0 150.0 Low 08:26:49 - 08:56:49 2945
Tonopah 08:41:49 -27.9 Dark Down 26.7 151.8 Low 08:26:49 - 08:56:49 2942
Bishop 08:41:49 -28.8 Dark Down 26.8 150.5 Low 08:26:49 - 08:56:49 2910
Beatty 08:41:49 -28.9 Dark Down 27.9 152.0 Low 08:26:49 - 08:56:49 2877
Indian Springs 08:41:49 -29.0 Dark Down 28.6 153.0 Low 08:26:49 - 08:56:49 2856
Henderson 08:41:49 -29.3 Dark Down 29.3 153.5 Low 08:26:49 - 08:56:49 2824
Patrick 08:41:44 -29.7 Dark Down 30.3 154.5 Up 08:26:44 - 08:56:44 2785
Kingman/Dolan Springs 08:41:45 -29.9 Dark Down 30.4 154.2 Up 08:26:45 - 08:56:45 2772
Laughlin/Bullhead City 08:41:48 -30.1 Dark Down 30.2 153.7 Up 08:26:48 - 08:56:48 2771
Mohave Valley 08:41:48 -30.3 Dark Down 30.5 153.6 Up 08:26:48 - 08:56:48 2755
Wildwood 08:41:49 -32.0 Dark Down 29.6 149.4 Low 08:26:49 - 08:56:49 2734
Lake Havasu City 08:41:48 -30.7 Dark Down 30.9 153.8 Up 08:26:48 - 08:56:48 2730
Parker 08:41:48 -31.0 Dark Down 31.2 153.7 Up 08:26:48 - 08:56:48 2709
Idyllwild 08:41:49 -31.9 Dark Down 30.7 151.2 Up 08:26:49 - 08:56:49 2697
George/Scottsdale 08:41:38 -30.7 Dark Down 32.5 156.1 Up 08:26:38 - 08:56:38 2676
Calipatria 08:41:49 -32.3 Dark Down 31.7 152.2 Up 08:26:49 - 08:56:49 2651
Yuma 08:41:49 -32.4 Dark Down 32.4 153.0 Up 08:26:49 - 08:56:49 2620

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 11HJ103, (2022/06/07 08:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 44.60  87
Nunki          18:55:15.9 -26:17:49  2.0 12.54 119
PPM 236251     19:37:03.4 -18:13:52  5.7  2.27 129
PPM 270117     19:40:09.9 -20:32:52  7.9  0.76 129
PPM 270175     19:42:47.8 -20:11:45  9.0  0.13 130
11HJ103        19:42:41.6 -20:04:24 16.0       130
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:03:17 UT

Marc W. Buie, Southwest Research Institute

RECON