RECON: TNO occultation with 463368

Event between (463368) 12VU85 and star GA1060:02195363 with event index number of 2278690

Geocentric closest approach at 2022/09/07 10:34:44 UTC

J2000 position of star is 06:38:40.5 +16:52:50
Equinox of date position of star is 06:39:57.6 +16:51:34
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 153 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=21.2

[RECON map]
TNO is 22.9 AU from the Sun and 23.3 AU from the Earth.
The TNO is moving 19.1 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 293 seconds.
The 1-sigma cross-track error in the shadow position is 2943 km.
The sky-plane scale is 16867.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 10.9 sec chord
Diameter=85.3 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 463368, (2022/09/07 10:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.0 +07:24:34  0.4 14.23 139
Alhena         06:39:01.3 +16:22:41  1.9  0.53 152
PPM 122879     06:42:40.4 +16:22:28  5.9  0.81 153
PPM 122848     06:41:26.3 +16:41:49  8.5  0.38 153
PPM 122792     06:39:27.0 +16:46:57  9.2  0.15 153
463368         06:39:59.3 +16:51:32 15.1       153
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 3.1 sigma about the mid-time.
The median site spacing is 28.0 km RECON observability=1.0 and success probability=8.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:30:19 -24.7 Dark Down 21.8 89.7 Low 10:15:19 - 10:45:19 6066
Sleaford 10:30:45 -17.0 AT Down 30.7 102.3 Up 10:15:45 - 10:45:45 6051
Kelowna 10:30:17 -24.9 Dark Down 22.4 90.1 Low 10:15:17 - 10:45:17 5976
Peachland 10:30:17 -25.1 Dark Down 22.2 89.8 Low 10:15:17 - 10:45:17 5970
Summerland 10:30:16 -25.2 Dark Down 22.3 89.8 Low 10:15:16 - 10:45:16 5954
Penticton 10:30:17 -25.2 Dark Down 22.3 89.9 Low 10:15:17 - 10:45:17 5946
Oliver 10:30:15 -25.5 Dark Down 22.3 89.7 Low 10:15:15 - 10:45:15 5912
Victoria 10:30:09 -27.6 Dark Down 19.7 86.6 Really Low 10:15:09 - 10:45:09 5906
Anarchist Mountain Observatory 10:30:15 -25.5 Dark Down 22.4 89.8 Low 10:15:15 - 10:45:15 5893
Tonasket 10:30:14 -25.8 Dark Down 22.4 89.6 Low 10:15:14 - 10:45:14 5864
Okanogan 10:30:13 -26.1 Dark Down 22.3 89.4 Low 10:15:13 - 10:45:13 5833
Brewster 10:30:11 -26.4 Dark Down 22.1 89.1 Low 10:15:11 - 10:45:11 5810
Manson/Chelan 10:30:11 -26.7 Dark Down 21.9 88.7 Low 10:15:11 - 10:45:11 5795
Wenatchee 10:30:10 -27.1 Dark Down 21.8 88.4 Low 10:15:10 - 10:45:10 5751
Ellensburg 10:30:08 -27.5 Dark Down 21.6 88.1 Low 10:15:08 - 10:45:08 5714
Yakima 10:30:06 -27.8 Dark Down 21.6 87.9 Low 10:15:06 - 10:45:06 5674
Toppenish/White Swan 10:30:07 -27.9 Dark Down 21.7 87.9 Low 10:15:07 - 10:45:07 5650
Goldendale 10:30:05 -28.5 Dark Down 21.4 87.4 Low 10:15:05 - 10:45:05 5602
PNWRO 10:30:07 -27.4 Dark Down 22.7 88.9 Low 10:15:07 - 10:45:07 5591
The Dalles 10:30:03 -28.9 Dark Down 21.1 87.1 Low 10:15:03 - 10:45:03 5586
Maupin 10:30:03 -29.1 Dark Down 21.1 87.0 Low 10:15:03 - 10:45:03 5542
Sisters 10:30:00 -30.0 Dark Down 20.7 86.3 Low 10:15:00 - 10:45:00 5463
Bend 10:29:59 -30.0 Dark Down 20.9 86.4 Low 10:14:59 - 10:44:59 5435
Oregon Observatory 10:29:59 -30.2 Dark Down 20.8 86.2 Low 10:14:59 - 10:44:59 5420
North Lake 10:29:58 -30.4 Dark Down 21.1 86.3 Low 10:14:58 - 10:44:58 5346
Chiloquin 10:29:55 -31.4 Dark Down 20.4 85.4 Low 10:14:55 - 10:44:55 5294
Klamath Falls 10:29:55 -31.6 Dark Down 20.4 85.4 Low 10:14:55 - 10:44:55 5258
Lakeview 10:29:56 -30.9 Dark Down 21.5 86.3 Low 10:14:56 - 10:44:56 5230
Cedarville 10:29:55 -31.3 Dark Down 21.6 86.1 Low 10:14:55 - 10:44:55 5160
Fall River/Burney 10:29:51 -32.3 Dark Down 20.6 85.2 Low 10:14:51 - 10:44:51 5131
Susanville 10:29:52 -32.3 Dark Down 21.1 85.4 Low 10:14:52 - 10:44:52 5054
Greenville 10:29:51 -32.7 Dark Down 20.8 85.1 Low 10:14:51 - 10:44:51 5031
Gimple 10:29:50 -32.6 Dark Down 20.9 85.2 Low 10:14:50 - 10:44:50 5029
Quincy 10:29:50 -32.8 Dark Down 20.8 85.0 Low 10:14:50 - 10:44:50 5010
Portola 10:29:51 -32.6 Dark Down 21.2 85.3 Low 10:14:51 - 10:44:51 4989
Reno 10:29:51 -32.5 Dark Down 21.7 85.6 Low 10:14:51 - 10:44:51 4950
Carson City 10:29:50 -32.7 Dark Down 21.7 85.4 Low 10:14:50 - 10:44:50 4913
Gardnerville 10:29:50 -32.8 Dark Down 21.7 85.4 Low 10:14:50 - 10:44:50 4887
Yerington 10:29:50 -32.5 Dark Down 22.1 85.7 Low 10:14:50 - 10:44:50 4882
Dunrhomin 10:30:20 -23.0 Dark Down 33.0 95.5 Up 10:15:20 - 10:45:20 4840
Hawthorne 10:29:51 -32.5 Dark Down 22.5 85.9 Low 10:14:51 - 10:44:51 4825
CU-SBO 10:30:19 -23.2 Dark Down 32.9 95.3 Up 10:15:19 - 10:45:19 4814
Lee Vining 10:29:49 -33.1 Dark Down 22.1 85.4 Low 10:14:49 - 10:44:49 4774
Tonopah 10:29:51 -31.9 Dark Down 23.6 86.5 Low 10:14:51 - 10:44:51 4753
Bishop 10:29:48 -33.1 Dark Down 22.6 85.5 Low 10:14:48 - 10:44:48 4699
Beatty 10:29:51 -32.4 Dark Down 23.9 86.3 Low 10:14:51 - 10:44:51 4624
Indian Springs 10:29:52 -31.9 Dark Down 24.7 86.8 Low 10:14:52 - 10:44:52 4573
Henderson 10:29:52 -31.8 Dark Down 25.3 86.9 Low 10:14:52 - 10:44:52 4506
Patrick 10:29:54 -31.4 Dark Down 26.1 87.2 Low 10:14:54 - 10:44:54 4423
Laughlin/Bullhead City 10:29:51 -32.1 Dark Down 25.5 86.7 Low 10:14:51 - 10:44:51 4407
Kingman/Dolan Springs 10:29:52 -31.7 Dark Down 26.0 87.0 Low 10:14:52 - 10:44:52 4402
Mohave Valley 10:29:51 -32.2 Dark Down 25.5 86.6 Low 10:14:51 - 10:44:51 4377
Wildwood 10:29:43 -35.4 Dark Down 22.1 84.1 Low 10:14:43 - 10:44:43 4357
Lake Havasu City 10:29:51 -32.3 Dark Down 25.7 86.5 Low 10:14:51 - 10:44:51 4331
Parker 10:29:51 -32.5 Dark Down 25.7 86.4 Low 10:14:51 - 10:44:51 4293
Idyllwild 10:29:46 -34.3 Dark Down 23.7 84.9 Low 10:14:46 - 10:44:46 4287
George/Scottsdale 10:29:55 -31.0 Dark Down 27.7 87.5 Low 10:14:55 - 10:44:55 4213
Calipatria 10:29:47 -33.9 Dark Down 24.6 85.3 Low 10:14:47 - 10:44:47 4202
Yuma 10:29:48 -33.5 Dark Down 25.3 85.5 Low 10:14:48 - 10:44:48 4142

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 463368, (2022/09/07 10:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.23 139
Alhena         06:37:42.8 +16:23:57  1.9  0.53 152
PPM 122879     06:41:21.9 +16:23:51  5.9  0.81 153
PPM 122848     06:40:07.6 +16:43:09  8.5  0.38 153
PPM 122792     06:38:08.2 +16:48:13  9.2  0.15 153
463368         06:38:40.5 +16:52:50 15.1       153
Positions are for J2000

Event circumstances last updated at 2022/03/16 00:57:54 UT

Marc W. Buie, Southwest Research Institute

RECON