RECON: TNO occultation with 613469

Event between (613469) 06QJ181 and star GA1020:01969242 with event index number of 2809466

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 06:29:56.1 +13:59:00
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=22.2

[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=7.1
Diameter=231.2 km assuming a 5% albedo -- 15.3 sec chord
Diameter=94.4 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 613469, (2022/11/11 07:57UT)
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
613469         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 21.4 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 07:58:53 -56.7 Dark Up 37.1 116.5 Up 07:43:53 - 08:13:53 9668
Victoria 07:59:14 -58.9 Dark Up 36.3 112.1 Up 07:44:14 - 08:14:14 9623
Peachland 07:58:56 -57.5 Dark Up 37.9 116.4 Up 07:43:56 - 08:13:56 9597
Kelowna 07:58:56 -57.4 Dark Up 38.0 116.8 Up 07:43:56 - 08:13:56 9595
Summerland 07:58:57 -57.7 Dark Up 38.0 116.4 Up 07:43:57 - 08:13:57 9585
Penticton 07:58:58 -57.7 Dark Up 38.1 116.5 Up 07:43:58 - 08:13:58 9578
Oliver 07:58:58 -58.1 Dark Up 38.3 116.2 Up 07:43:58 - 08:13:58 9557
Anarchist Mountain Observatory 07:59:00 -58.2 Dark Up 38.5 116.3 Up 07:44:00 - 08:14:00 9541
Tonasket 07:59:00 -58.5 Dark Up 38.6 116.0 Up 07:44:00 - 08:14:00 9524
Okanogan 07:59:05 -58.9 Dark Up 38.6 115.7 Up 07:44:05 - 08:14:05 9507
Brewster 07:59:05 -59.2 Dark Up 38.6 115.3 Up 07:44:05 - 08:14:05 9495
Manson/Chelan 07:59:09 -59.4 Dark Up 38.5 114.8 Up 07:44:09 - 08:14:09 9493
Wenatchee 07:59:11 -59.9 Dark Up 38.6 114.3 Up 07:44:11 - 08:14:11 9468
Ellensburg 07:59:16 -60.3 Dark Up 38.6 113.8 Up 07:44:16 - 08:14:16 9448
Yakima 07:59:17 -60.7 Dark Up 38.8 113.5 Up 07:44:17 - 08:14:17 9422
Toppenish/White Swan 07:59:17 -60.9 Dark Up 39.0 113.5 Up 07:44:17 - 08:14:17 9403
Goldendale 07:59:19 -61.5 Dark Up 38.9 112.7 Up 07:44:19 - 08:14:19 9380
The Dalles 07:59:24 -61.8 Dark Up 38.8 112.2 Up 07:44:24 - 08:14:24 9375
Sleaford 07:58:02 -52.7 Dark Up 43.6 132.9 Up 07:43:02 - 08:13:02 9370
Maupin 07:59:26 -62.2 Dark Up 39.0 112.0 Up 07:44:26 - 08:14:26 9345
PNWRO 07:59:16 -61.1 Dark Up 40.1 114.6 Up 07:44:16 - 08:14:16 9335
Sisters 07:59:33 -63.1 Dark Up 39.1 110.9 Up 07:44:33 - 08:14:33 9301
Bend 07:59:33 -63.3 Dark Up 39.3 110.9 Up 07:44:33 - 08:14:33 9277
Oregon Observatory 07:59:33 -63.5 Dark Up 39.3 110.7 Up 07:44:33 - 08:14:33 9270
North Lake 07:59:36 -64.1 Dark Up 39.9 110.7 Up 07:44:36 - 08:14:36 9209
Chiloquin 07:59:42 -64.8 Dark Up 39.5 109.3 Up 07:44:42 - 08:14:42 9192
Klamath Falls 07:59:44 -65.1 Dark Up 39.6 109.1 Up 07:44:44 - 08:14:44 9166
Lakeview 07:59:40 -65.1 Dark Up 40.6 110.4 Up 07:44:40 - 08:14:40 9119
Fall River/Burney 07:59:49 -66.3 Dark Up 40.3 108.5 Up 07:44:49 - 08:14:49 9070
Cedarville 07:59:43 -65.7 Dark Up 41.0 110.0 Up 07:44:43 - 08:14:43 9066
Susanville 07:59:50 -66.8 Dark Up 41.1 108.7 Up 07:44:50 - 08:14:50 9001
Greenville 07:59:54 -67.2 Dark Up 40.9 108.2 Up 07:44:54 - 08:14:54 8990
Gimple 07:59:52 -67.1 Dark Up 41.0 108.3 Up 07:44:52 - 08:14:52 8987
Quincy 07:59:54 -67.4 Dark Up 41.0 108.0 Up 07:44:54 - 08:14:54 8975
Portola 07:59:52 -67.4 Dark Up 41.4 108.3 Up 07:44:52 - 08:14:52 8951
Reno 07:59:53 -67.6 Dark Up 41.9 108.7 Up 07:44:53 - 08:14:53 8910
Carson City 07:59:54 -68.0 Dark Up 42.1 108.4 Up 07:44:54 - 08:14:54 8883
Gardnerville 07:59:55 -68.2 Dark Up 42.2 108.2 Up 07:44:55 - 08:14:55 8863
Yerington 07:59:51 -68.0 Dark Up 42.6 108.8 Up 07:44:51 - 08:14:51 8847
Hawthorne 07:59:54 -68.4 Dark Up 43.2 108.8 Up 07:44:54 - 08:14:54 8795
Lee Vining 07:59:59 -69.0 Dark Up 43.0 107.9 Up 07:44:59 - 08:14:59 8768
Tonopah 07:59:49 -68.6 Dark Up 44.3 109.6 Up 07:44:49 - 08:14:49 8712
Bishop 08:00:00 -69.5 Dark Up 43.7 108.0 Up 07:45:00 - 08:15:00 8697
Beatty 07:59:55 -69.5 Dark Up 45.1 108.9 Up 07:44:55 - 08:14:55 8606
Indian Springs 07:59:53 -69.5 Dark Up 46.0 109.6 Up 07:44:53 - 08:14:53 8543
Dunrhomin 07:58:53 -62.1 Dark Up 51.6 123.8 Up 07:43:53 - 08:13:53 8485
Henderson 07:59:52 -69.8 Dark Up 46.7 109.6 Up 07:44:52 - 08:14:52 8476
CU-SBO 07:58:55 -62.3 Dark Up 51.6 123.5 Up 07:43:55 - 08:13:55 8468
Wildwood 08:00:15 -72.6 Dark Up 44.5 104.8 Up 07:45:15 - 08:15:15 8444
Laughlin/Bullhead City 07:59:56 -70.4 Dark Up 47.3 109.1 Up 07:44:56 - 08:14:56 8391
Patrick 07:59:51 -69.9 Dark Up 47.8 110.0 Up 07:44:51 - 08:14:51 8387
Kingman/Dolan Springs 07:59:53 -70.2 Dark Up 47.7 109.6 Up 07:44:53 - 08:14:53 8375
Mohave Valley 07:59:57 -70.6 Dark Up 47.4 108.9 Up 07:44:57 - 08:14:57 8368
Idyllwild 08:00:10 -72.4 Dark Up 46.1 105.9 Up 07:45:10 - 08:15:10 8349
Lake Havasu City 07:59:58 -70.9 Dark Up 47.7 108.7 Up 07:44:58 - 08:14:58 8327
Parker 07:59:57 -71.2 Dark Up 47.9 108.3 Up 07:44:57 - 08:14:57 8296
Calipatria 08:00:07 -72.5 Dark Up 47.2 106.3 Up 07:45:07 - 08:15:07 8256
Yuma 08:00:06 -72.6 Dark Up 48.1 106.5 Up 07:45:06 - 08:15:06 8187
George/Scottsdale 07:59:51 -70.4 Dark Up 49.9 109.9 Up 07:44:51 - 08:14:51 8175

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 613469, (2022/11/11 07:57UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.54  21
Alhena         06:37:42.8 +16:23:56  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
613469         06:28:40.1 +13:59:57 15.1        20
Positions are for J2000

Event circumstances last updated at 2022/05/03 00:43:53 UT

Marc W. Buie, Southwest Research Institute

RECON