RECON: TNO occultation with 06QJ181

Event between 06QJ181 and star GA1020:01868998 with event index number of 2013978

Geocentric closest approach at 2022/11/11 07:57:06 UTC

J2000 position of star is 06:28:40.1 +13:59:57
Equinox of date position of star is 06:29:54.9 +13:59:01
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 31.8 AU from the Sun and 31.2 AU from the Earth.
The TNO is moving 15.2 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 183 seconds.
The 1-sigma cross-track error in the shadow position is 1989 km.
The sky-plane scale is 22611.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=242.1 km assuming a 5% albedo -- 15.9 sec chord
Diameter=98.8 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 06QJ181, (2022/11/11 07:48UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.6 +07:24:34  0.4 10.54  21
Alhena         06:39:01.9 +16:22:40  1.9  3.24  20
PPM 122497     06:28:34.2 +14:52:25  6.2  0.95  19
PPM 122554     06:30:42.8 +13:37:20  7.7  0.40  20
PPM 122534     06:29:47.1 +13:52:52 10.0  0.11  20
06QJ181        06:29:57.9 +13:58:59 15.1        20
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 4.9 sigma about the mid-time.
The median site spacing is 17.5 km RECON observability=1.0 and success probability=0.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:58:52 -56.7 Dark Up 37.1 116.4 Up 07:43:52 - 08:13:52 9666
Victoria 07:59:12 -58.9 Dark Up 36.3 112.1 Up 07:44:12 - 08:14:12 9621
Peachland 07:58:57 -57.5 Dark Up 37.9 116.4 Up 07:43:57 - 08:13:57 9595
Kelowna 07:58:54 -57.4 Dark Up 38.0 116.8 Up 07:43:54 - 08:13:54 9593
Summerland 07:58:55 -57.7 Dark Up 38.0 116.4 Up 07:43:55 - 08:13:55 9583
Penticton 07:58:56 -57.7 Dark Up 38.1 116.5 Up 07:43:56 - 08:13:56 9576
Oliver 07:58:59 -58.1 Dark Up 38.3 116.2 Up 07:43:59 - 08:13:59 9555
Anarchist Mountain Observatory 07:59:00 -58.2 Dark Up 38.5 116.3 Up 07:44:00 - 08:14:00 9539
Tonasket 07:58:59 -58.5 Dark Up 38.6 116.0 Up 07:43:59 - 08:13:59 9522
Okanogan 07:59:03 -58.9 Dark Up 38.6 115.6 Up 07:44:03 - 08:14:03 9505
Brewster 07:59:06 -59.2 Dark Up 38.6 115.3 Up 07:44:06 - 08:14:06 9494
Manson/Chelan 07:59:07 -59.4 Dark Up 38.5 114.8 Up 07:44:07 - 08:14:07 9491
Wenatchee 07:59:11 -59.9 Dark Up 38.6 114.3 Up 07:44:11 - 08:14:11 9466
Ellensburg 07:59:14 -60.3 Dark Up 38.6 113.8 Up 07:44:14 - 08:14:14 9446
Yakima 07:59:16 -60.7 Dark Up 38.8 113.5 Up 07:44:16 - 08:14:16 9420
Toppenish/White Swan 07:59:18 -60.9 Dark Up 39.0 113.5 Up 07:44:18 - 08:14:18 9401
Goldendale 07:59:20 -61.5 Dark Up 38.9 112.7 Up 07:44:20 - 08:14:20 9378
The Dalles 07:59:22 -61.8 Dark Up 38.8 112.2 Up 07:44:22 - 08:14:22 9373
Sleaford 07:58:00 -52.7 Dark Up 43.6 132.9 Up 07:43:00 - 08:13:00 9368
Pasco 07:59:14 -60.9 Dark Up 39.8 114.6 Up 07:44:14 - 08:14:14 9356
Maupin 07:59:26 -62.2 Dark Up 39.0 112.0 Up 07:44:26 - 08:14:26 9343
PNWRO 07:59:14 -61.1 Dark Up 40.1 114.6 Up 07:44:14 - 08:14:14 9333
Sisters 07:59:32 -63.1 Dark Up 39.0 110.9 Up 07:44:32 - 08:14:32 9299
Redmond 07:59:31 -63.1 Dark Up 39.3 111.2 Up 07:44:31 - 08:14:31 9286
Bend 07:59:32 -63.3 Dark Up 39.3 110.9 Up 07:44:32 - 08:14:32 9275
Oregon Observatory 07:59:34 -63.5 Dark Up 39.3 110.7 Up 07:44:34 - 08:14:34 9268
La Pine/Gilchrist 07:59:34 -63.7 Dark Up 39.3 110.5 Up 07:44:34 - 08:14:34 9256
North Lake 07:59:34 -64.1 Dark Up 39.9 110.7 Up 07:44:34 - 08:14:34 9208
Chiloquin 07:59:43 -64.8 Dark Up 39.5 109.3 Up 07:44:43 - 08:14:43 9190
Klamath Falls 07:59:43 -65.1 Dark Up 39.6 109.1 Up 07:44:43 - 08:14:43 9164
Paisley 07:59:36 -64.6 Dark Up 40.3 110.6 Up 07:44:36 - 08:14:36 9158
Lakeview 07:59:39 -65.1 Dark Up 40.6 110.4 Up 07:44:39 - 08:14:39 9117
Fall River/Burney 07:59:48 -66.3 Dark Up 40.3 108.5 Up 07:44:48 - 08:14:48 9068
Cedarville 07:59:41 -65.7 Dark Up 41.0 110.0 Up 07:44:41 - 08:14:41 9064
Susanville 07:59:50 -66.8 Dark Up 41.1 108.7 Up 07:44:50 - 08:14:50 8999
Greenville 07:59:52 -67.2 Dark Up 40.9 108.2 Up 07:44:52 - 08:14:52 8988
Gimple 07:59:51 -67.1 Dark Up 41.0 108.3 Up 07:44:51 - 08:14:51 8986
Quincy 07:59:55 -67.4 Dark Up 41.0 108.1 Up 07:44:55 - 08:14:55 8973
Portola 07:59:51 -67.4 Dark Up 41.4 108.3 Up 07:44:51 - 08:14:51 8949
Reno 07:59:52 -67.6 Dark Up 41.9 108.7 Up 07:44:52 - 08:14:52 8908
Carson City 07:59:54 -68.0 Dark Up 42.1 108.4 Up 07:44:54 - 08:14:54 8881
Gardnerville 07:59:55 -68.2 Dark Up 42.2 108.2 Up 07:44:55 - 08:14:55 8861
Yerington 07:59:53 -68.0 Dark Up 42.6 108.8 Up 07:44:53 - 08:14:53 8845
Hawthorne 07:59:53 -68.4 Dark Up 43.2 108.8 Up 07:44:53 - 08:14:53 8793
Lee Vining 07:59:57 -69.0 Dark Up 43.0 107.9 Up 07:44:57 - 08:14:57 8766
Tonopah 07:59:48 -68.6 Dark Up 44.3 109.6 Up 07:44:48 - 08:14:48 8710
Bishop 07:59:58 -69.5 Dark Up 43.7 108.0 Up 07:44:58 - 08:14:58 8695
CPSLO 08:00:16 -71.9 Dark Up 42.6 104.4 Up 07:45:16 - 08:15:16 8611
Beatty 07:59:53 -69.5 Dark Up 45.1 108.9 Up 07:44:53 - 08:14:53 8604
Indian Springs 07:59:52 -69.5 Dark Up 46.0 109.6 Up 07:44:52 - 08:14:52 8541
Dunrhomin 07:58:52 -62.1 Dark Up 51.6 123.8 Up 07:43:52 - 08:13:52 8483
Henderson 07:59:51 -69.8 Dark Up 46.7 109.6 Up 07:44:51 - 08:14:51 8474
Wildwood 08:00:14 -72.6 Dark Up 44.5 104.8 Up 07:45:14 - 08:15:14 8442
Laughlin/Bullhead City 07:59:53 -70.4 Dark Up 47.3 109.1 Up 07:44:53 - 08:14:53 8389
Patrick 07:59:51 -69.9 Dark Up 47.8 110.0 Up 07:44:51 - 08:14:51 8385
Kingman/Dolan Springs 07:59:52 -70.2 Dark Up 47.7 109.6 Up 07:44:52 - 08:14:52 8373
Mohave Valley 07:59:56 -70.6 Dark Up 47.4 108.8 Up 07:44:56 - 08:14:56 8366
Idyllwild 08:00:08 -72.4 Dark Up 46.1 105.9 Up 07:45:08 - 08:15:08 8347
Lake Havasu City 07:59:56 -70.9 Dark Up 47.7 108.6 Up 07:44:56 - 08:14:56 8325
Parker 07:59:55 -71.2 Dark Up 47.9 108.3 Up 07:44:55 - 08:14:55 8295
Blythe 08:00:01 -71.7 Dark Up 47.8 107.5 Up 07:45:01 - 08:15:01 8261
Calipatria 08:00:07 -72.5 Dark Up 47.2 106.3 Up 07:45:07 - 08:15:07 8254
Yuma 08:00:05 -72.6 Dark Up 48.1 106.5 Up 07:45:05 - 08:15:05 8185
George/Scottsdale 07:59:50 -70.4 Dark Up 49.9 109.9 Up 07:44:50 - 08:14:50 8173

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, (2022/11/11 07:48UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.54  21
Alhena         06:37:42.8 +16:23:57  1.9  3.24  20
PPM 122497     06:27:15.8 +14:53:21  6.2  0.95  19
PPM 122554     06:29:25.2 +13:38:20  7.7  0.40  20
PPM 122534     06:28:29.4 +13:53:50 10.0  0.11  20
06QJ181        06:28:40.1 +13:59:57 15.1        20
Positions are for J2000

Event circumstances last updated at 2021/12/18 01:50:37 UT

Marc W. Buie, Southwest Research Institute

RECON