RECON: TNO occultation with 06QJ181

Event between 06QJ181 and star GA1040:01949528 with event index number of 1195488

Geocentric closest approach at 2022/09/16 11:39:45 UTC

J2000 position of star is 06:29:01.3 +14:21:57
Equinox of date position of star is 06:30:14.0 +14:21:02
Stellar brightness G=10.0, use SENSEUP=2 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 31 degrees from the moon. Moon is 64% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 31.8 AU from the Sun and 32.1 AU from the Earth.
The TNO is moving 14.3 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 622 seconds.
The 1-sigma cross-track error in the shadow position is 4115 km.
The sky-plane scale is 23259.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=245.5 km assuming a 5% albedo -- 17.2 sec chord
Diameter=100.2 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 06QJ181, (2022/09/16 11:40UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.1 +07:24:34  0.4 10.83  27
Alhena         06:39:01.4 +16:22:41  1.9  2.92  32
PPM 122497     06:28:33.7 +14:52:26  6.2  0.67  31
PPM 122571     06:31:22.7 +14:29:02  7.9  0.29  31
PPM 122535     06:29:55.5 +14:07:43  8.7  0.24  31
06QJ181        06:30:18.8 +14:20:58 10.0        31
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 1.4 sigma about the mid-time.
The median site spacing is 27.7 km RECON observability=1.0 and success probability=7.5%
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 11:34:23 -19.1 Dark Up 37.5 115.7 Up 11:19:23 - 11:49:23 -4930
Kelowna 11:34:21 -19.4 Dark Up 37.6 115.3 Up 11:19:21 - 11:49:21 -4973
Peachland 11:34:18 -19.6 Dark Up 37.4 114.9 Up 11:19:18 - 11:49:18 -4988
Summerland 11:34:21 -19.6 Dark Up 37.6 114.9 Up 11:19:21 - 11:49:21 -5002
Penticton 11:34:21 -19.6 Dark Up 37.7 114.9 Up 11:19:21 - 11:49:21 -5008
Oliver 11:34:21 -19.8 Dark Up 37.8 114.7 Up 11:19:21 - 11:49:21 -5045
Anarchist Mountain Observatory 11:34:21 -19.7 Dark Up 38.0 114.8 Up 11:19:21 - 11:49:21 -5060
Tonasket 11:34:21 -19.9 Dark Up 38.1 114.5 Up 11:19:21 - 11:49:21 -5093
Okanogan 11:34:20 -20.2 Dark Up 38.1 114.1 Up 11:19:20 - 11:49:20 -5130
Victoria 11:34:04 -22.3 Dark Up 35.7 110.5 Up 11:19:04 - 11:49:04 -5158
Brewster 11:34:19 -20.4 Dark Up 38.1 113.7 Up 11:19:19 - 11:49:19 -5161
Manson/Chelan 11:34:18 -20.7 Dark Up 38.0 113.2 Up 11:19:18 - 11:49:18 -5188
Wenatchee 11:34:18 -21.1 Dark Up 38.0 112.7 Up 11:19:18 - 11:49:18 -5240
Ellensburg 11:34:15 -21.4 Dark Up 38.0 112.2 Up 11:19:15 - 11:49:15 -5286
Yakima 11:34:15 -21.6 Dark Up 38.2 111.9 Up 11:19:15 - 11:49:15 -5330
Pasco 11:34:21 -20.9 Dark Up 39.3 113.0 Up 11:19:21 - 11:49:21 -5347
Toppenish/White Swan 11:34:15 -21.6 Dark Up 38.4 111.9 Up 11:19:15 - 11:49:15 -5351
PNWRO 11:34:21 -20.9 Dark Up 39.5 113.0 Up 11:19:21 - 11:49:21 -5370
Goldendale 11:34:11 -22.2 Dark Up 38.3 111.0 Up 11:19:11 - 11:49:11 -5415
The Dalles 11:34:12 -22.5 Dark Up 38.1 110.5 Up 11:19:12 - 11:49:12 -5443
Maupin 11:34:13 -22.6 Dark Up 38.4 110.3 Up 11:19:13 - 11:49:13 -5487
Redmond 11:34:12 -23.1 Dark Up 38.6 109.6 Up 11:19:12 - 11:49:12 -5584
Sisters 11:34:10 -23.4 Dark Up 38.3 109.2 Up 11:19:10 - 11:49:10 -5587
Bend 11:34:10 -23.3 Dark Up 38.6 109.3 Up 11:19:10 - 11:49:10 -5609
Oregon Observatory 11:34:09 -23.5 Dark Up 38.5 109.0 Up 11:19:09 - 11:49:09 -5629
La Pine/Gilchrist 11:34:10 -23.6 Dark Up 38.6 108.8 Up 11:19:10 - 11:49:10 -5652
North Lake 11:34:12 -23.5 Dark Up 39.1 109.0 Up 11:19:12 - 11:49:12 -5691
Dunrhomin 11:35:21 -13.4 AT Up 51.2 122.3 Up 11:20:21 - 11:50:21 -5703
Paisley 11:34:13 -23.5 Dark Up 39.6 108.9 Up 11:19:13 - 11:49:13 -5745
Chiloquin 11:34:08 -24.4 Dark Up 38.7 107.7 Up 11:19:08 - 11:49:08 -5776
Lakeview 11:34:14 -23.6 Dark Up 39.9 108.7 Up 11:19:14 - 11:49:14 -5798
Klamath Falls 11:34:08 -24.5 Dark Up 38.8 107.5 Up 11:19:08 - 11:49:08 -5812
Cedarville 11:34:14 -23.8 Dark Up 40.2 108.3 Up 11:19:14 - 11:49:14 -5866
Fall River/Burney 11:34:07 -24.8 Dark Up 39.4 106.9 Up 11:19:07 - 11:49:07 -5935
Susanville 11:34:13 -24.6 Dark Up 40.2 107.0 Up 11:19:13 - 11:49:13 -5993
Gimple 11:34:11 -24.9 Dark Up 40.1 106.6 Up 11:19:11 - 11:49:11 -6026
Greenville 11:34:11 -24.9 Dark Up 40.0 106.5 Up 11:19:11 - 11:49:11 -6027
Quincy 11:34:10 -25.0 Dark Up 40.1 106.4 Up 11:19:10 - 11:49:10 -6049
Portola 11:34:13 -24.7 Dark Up 40.5 106.7 Up 11:19:13 - 11:49:13 -6056
Reno 11:34:17 -24.4 Dark Up 41.1 107.0 Up 11:19:17 - 11:49:17 -6075
Carson City 11:34:15 -24.5 Dark Up 41.2 106.7 Up 11:19:15 - 11:49:15 -6114
Yerington 11:34:19 -24.2 Dark Up 41.7 107.1 Up 11:19:19 - 11:49:19 -6125
Gardnerville 11:34:16 -24.6 Dark Up 41.3 106.6 Up 11:19:16 - 11:49:16 -6140
Hawthorne 11:34:21 -24.0 Dark Up 42.3 107.1 Up 11:19:21 - 11:49:21 -6168
Tonopah 11:34:27 -23.1 Dark Up 43.5 107.9 Up 11:19:27 - 11:49:27 -6195
Lee Vining 11:34:19 -24.6 Dark Up 42.0 106.2 Up 11:19:19 - 11:49:19 -6237
Bishop 11:34:22 -24.3 Dark Up 42.8 106.3 Up 11:19:22 - 11:49:22 -6290
Beatty 11:34:30 -23.3 Dark Up 44.2 107.3 Up 11:19:30 - 11:49:30 -6312
Indian Springs 11:34:35 -22.6 Dark Up 45.1 107.9 Up 11:19:35 - 11:49:35 -6328
Henderson 11:34:39 -22.2 Dark Up 45.8 108.0 Up 11:19:39 - 11:49:39 -6372
Patrick 11:34:45 -21.6 Dark Up 46.9 108.3 Up 11:19:45 - 11:49:45 -6418
Kingman/Dolan Springs 11:34:43 -21.8 Dark Up 46.8 107.9 Up 11:19:43 - 11:49:43 -6445
Laughlin/Bullhead City 11:34:41 -22.2 Dark Up 46.4 107.5 Up 11:19:41 - 11:49:41 -6458
Mohave Valley 11:34:42 -22.3 Dark Up 46.5 107.2 Up 11:19:42 - 11:49:42 -6488
Lake Havasu City 11:34:44 -22.2 Dark Up 46.8 107.0 Up 11:19:44 - 11:49:44 -6526
CPSLO 11:34:14 -26.8 Dark Up 41.5 102.7 Up 11:19:14 - 11:49:14 -6550
George/Scottsdale 11:34:56 -20.5 Dark Up 49.0 108.3 Up 11:19:56 - 11:49:56 -6556
Parker 11:34:43 -22.3 Dark Up 46.9 106.7 Up 11:19:43 - 11:49:43 -6563
Blythe 11:34:43 -22.7 Dark Up 46.9 105.9 Up 11:19:43 - 11:49:43 -6626
Wildwood 11:34:23 -25.7 Dark Up 43.4 103.2 Up 11:19:23 - 11:49:23 -6649
Idyllwild 11:34:32 -24.4 Dark Up 45.1 104.3 Up 11:19:32 - 11:49:32 -6655
Calipatria 11:34:38 -23.7 Dark Up 46.2 104.6 Up 11:19:38 - 11:49:38 -6698
Yuma 11:34:44 -23.1 Dark Up 47.1 104.9 Up 11:19:44 - 11:49:44 -6727

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 06QJ181, (2022/09/16 11:40UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.83  27
Alhena         06:37:42.8 +16:23:57  1.9  2.92  32
PPM 122497     06:27:15.8 +14:53:21  6.2  0.67  31
PPM 122571     06:30:05.1 +14:30:03  7.9  0.29  31
PPM 122535     06:28:38.1 +14:08:41  8.7  0.24  31
06QJ181        06:29:01.3 +14:21:57 10.0        31
Positions are for J2000

Event circumstances last updated at 2021/04/20 23:15:54 UT

Marc W. Buie, Southwest Research Institute

RECON