RECON: TNO occultation with 10JJ124

Event between 10JJ124 and star GA0760:18628699 with event index number of 2098189

Geocentric closest approach at 2022/06/24 06:47:18 UTC

J2000 position of star is 18:50:14.4 -12:26:14
Equinox of date position of star is 18:51:29.1 -12:24:36
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon. Moon is 20% illuminated.
TNO apparent brightness V=20.7

[RECON map]
TNO is 25.8 AU from the Sun and 24.8 AU from the Earth.
The TNO is moving 23.5 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 276 seconds.
The 1-sigma cross-track error in the shadow position is 5607 km.
The sky-plane scale is 17991.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=284.5 km assuming a 5% albedo -- 12.1 sec chord
Diameter=116.1 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10JJ124, (2022/06/24 06:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.4 -26:28:48  0.9 35.87 149
Nunki          18:56:39.4 -26:16:00  2.0 13.91 117
PPM 235105     18:51:47.4 -13:32:40  6.5  1.14 117
PPM 235073     18:50:41.9 -11:45:41  8.5  0.68 117
PPM 235083     18:50:51.8 -12:20:02  9.2  0.17 117
10JJ124        18:51:30.0 -12:24:35 16.2       117
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 3.3 sigma about the mid-time.
The median site spacing is 18.6 km RECON observability=1.0 and success probability=3.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:48:27 -14.4 AT Down 24.4 165.0 Low 06:33:27 - 07:03:27 9392
Kamloops 06:49:11 -14.1 AT Down 22.3 150.1 Low 06:34:11 - 07:04:11 9111
Kelowna 06:49:09 -15.0 AT Down 23.2 150.8 Low 06:34:09 - 07:04:09 9078
Peachland 06:49:11 -15.1 AT Down 23.2 150.5 Low 06:34:11 - 07:04:11 9067
Summerland 06:49:11 -15.3 AT Down 23.4 150.5 Low 06:34:11 - 07:04:11 9060
Penticton 06:49:10 -15.3 AT Down 23.5 150.6 Low 06:34:10 - 07:04:10 9057
Oliver 06:49:10 -15.7 AT Down 23.8 150.6 Low 06:34:10 - 07:04:10 9036
Anarchist Mountain Observatory 06:49:10 -15.9 AT Down 24.0 150.7 Low 06:34:10 - 07:04:10 9030
Tonasket 06:49:11 -16.2 AT Down 24.3 150.6 Low 06:34:11 - 07:04:11 9009
Okanogan 06:49:12 -16.5 AT Down 24.5 150.4 Low 06:34:12 - 07:04:12 8987
Brewster 06:49:13 -16.7 AT Down 24.7 150.1 Low 06:34:13 - 07:04:13 8967
Manson/Chelan 06:49:14 -16.8 AT Down 24.7 149.7 Low 06:34:14 - 07:04:14 8948
Victoria 06:49:21 -15.5 AT Down 23.1 146.6 Low 06:34:21 - 07:04:21 8933
Wenatchee 06:49:15 -17.2 AT Down 25.1 149.4 Low 06:34:15 - 07:04:15 8915
Ellensburg 06:49:16 -17.6 AT Down 25.4 149.1 Low 06:34:16 - 07:04:16 8886
Yakima 06:49:16 -18.0 AT Down 25.7 149.0 Low 06:34:16 - 07:04:16 8860
PNWRO 06:49:12 -18.9 Dark Down 26.8 150.5 Low 06:34:12 - 07:04:12 8850
Toppenish/White Swan 06:49:17 -18.2 Dark Down 26.0 149.1 Low 06:34:17 - 07:04:17 8848
Goldendale 06:49:18 -18.6 Dark Down 26.3 148.5 Low 06:34:18 - 07:04:18 8806
The Dalles 06:49:20 -18.8 Dark Down 26.3 148.1 Low 06:34:20 - 07:04:20 8784
Maupin 06:49:20 -19.2 Dark Down 26.7 148.1 Low 06:34:20 - 07:04:20 8759
Sisters 06:49:23 -19.9 Dark Down 27.3 147.4 Low 06:34:23 - 07:04:23 8691
Dunrhomin 06:48:27 -26.2 Dark Down 35.9 164.0 Up 06:33:27 - 07:03:27 8690
Bend 06:49:21 -20.2 Dark Down 27.6 147.6 Low 06:34:21 - 07:04:21 8680
CU-SBO 06:48:27 -26.5 Dark Down 36.1 163.9 Up 06:33:27 - 07:03:27 8671
Oregon Observatory 06:49:22 -20.3 Dark Down 27.7 147.4 Low 06:34:22 - 07:04:22 8666
North Lake 06:49:21 -21.1 Dark Down 28.4 147.8 Low 06:34:21 - 07:04:21 8632
Lakeview 06:49:22 -22.2 Dark Down 29.6 148.0 Low 06:34:22 - 07:04:22 8568
Chiloquin 06:49:25 -21.5 Dark Down 28.6 146.6 Low 06:34:25 - 07:04:25 8567
Klamath Falls 06:49:24 -21.8 Dark Down 29.0 146.6 Low 06:34:24 - 07:04:24 8544
Cedarville 06:49:21 -22.9 Dark Down 30.2 148.0 Up 06:34:21 - 07:04:21 8524
Fall River/Burney 06:49:25 -23.0 Dark Down 30.1 146.6 Up 06:34:25 - 07:04:25 8467
Susanville 06:49:24 -23.8 Dark Down 30.9 147.2 Up 06:34:24 - 07:04:24 8435
Gimple 06:49:24 -24.0 Dark Down 31.1 146.8 Up 06:34:24 - 07:04:24 8411
Greenville 06:49:25 -24.0 Dark Down 31.0 146.8 Up 06:34:25 - 07:04:25 8409
Quincy 06:49:26 -24.2 Dark Down 31.2 146.7 Up 06:34:26 - 07:04:26 8394
Portola 06:49:24 -24.4 Dark Down 31.5 147.1 Up 06:34:24 - 07:04:24 8394
Reno 06:49:22 -24.8 Dark Down 32.0 147.7 Up 06:34:22 - 07:04:22 8387
Carson City 06:49:23 -25.2 Dark Down 32.3 147.6 Up 06:34:23 - 07:04:23 8360
Yerington 06:49:20 -25.5 Dark Down 32.7 148.2 Up 06:34:20 - 07:04:20 8358
Gardnerville 06:49:22 -25.4 Dark Down 32.5 147.6 Up 06:34:22 - 07:04:22 8343
Hawthorne 06:49:19 -26.1 Dark Down 33.4 148.6 Up 06:34:19 - 07:04:19 8333
Tonopah 06:49:15 -26.8 Dark Down 34.3 150.0 Up 06:34:15 - 07:04:15 8325
Lee Vining 06:49:22 -26.5 Dark Down 33.6 147.9 Up 06:34:22 - 07:04:22 8282
Bishop 06:49:20 -27.2 Dark Down 34.4 148.5 Up 06:34:20 - 07:04:20 8249
Beatty 06:49:15 -28.0 Dark Down 35.5 150.1 Up 06:34:15 - 07:04:15 8245
Indian Springs 06:49:12 -28.6 Dark Down 36.2 151.1 Up 06:34:12 - 07:04:12 8240
Henderson 06:49:09 -29.2 Dark Down 36.9 151.7 Up 06:34:09 - 07:04:09 8211
Patrick 06:49:06 -30.1 Dark Down 37.9 152.7 Up 06:34:06 - 07:04:06 8183
Kingman/Dolan Springs 06:49:07 -30.2 Dark Down 38.0 152.4 Up 06:34:07 - 07:04:07 8162
Laughlin/Bullhead City 06:49:09 -30.2 Dark Down 37.9 151.8 Up 06:34:09 - 07:04:09 8150
Mohave Valley 06:49:09 -30.4 Dark Down 38.1 151.7 Up 06:34:09 - 07:04:09 8129
Lake Havasu City 06:49:08 -30.9 Dark Down 38.6 151.9 Up 06:34:08 - 07:04:08 8102
George/Scottsdale 06:49:00 -32.1 Dark Down 40.2 154.4 Up 06:34:00 - 07:04:00 8086
Parker 06:49:08 -31.2 Dark Down 38.9 151.8 Up 06:34:08 - 07:04:08 8075
Idyllwild 06:49:17 -31.1 Dark Down 38.3 148.9 Up 06:34:17 - 07:04:17 7996
Wildwood 06:49:23 -30.3 Dark Down 37.1 147.0 Up 06:34:23 - 07:04:23 7987
Calipatria 06:49:12 -31.9 Dark Down 39.3 150.0 Up 06:34:12 - 07:04:12 7969
Yuma 06:49:10 -32.6 Dark Down 40.0 150.8 Up 06:34:10 - 07:04:10 7951

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 10JJ124, (2022/06/24 06:47UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 35.87 149
Nunki          18:55:15.9 -26:17:49  2.0 13.91 117
PPM 235105     18:50:31.2 -13:34:20  6.5  1.14 117
PPM 235073     18:49:26.7 -11:47:19  8.5  0.68 117
PPM 235083     18:49:36.3 -12:21:40  9.2  0.17 117
10JJ124        18:50:14.4 -12:26:14 16.2       117
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:04:34 UT

Marc W. Buie, Southwest Research Institute

RECON