RECON: TNO occultation with 10TS191

Event between 10TS191 and star GA1060:00871568 with event index number of 2366216

Geocentric closest approach at 2028/11/09 08:29:59 UTC

J2000 position of star is 05:17:53.9 +17:49:47
Equinox of date position of star is 05:19:12.3 +17:51:08
Stellar brightness G=14.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 51 degrees from the moon. Moon is 56% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 28.7 AU from the Sun and 27.8 AU from the Earth.
The TNO is moving 19.8 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 197 seconds.
The 1-sigma cross-track error in the shadow position is 1163 km.
The sky-plane scale is 20174.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.0
Diameter=148.6 km assuming a 5% albedo -- 7.5 sec chord
Diameter=60.7 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 10TS191, (2028/11/09 08:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:34.8 +16:33:55  0.8 10.11  61
Alnath         05:28:07.1 +28:37:45  1.6 10.95  49
111 Tau        05:26:06.5 +17:24:28  5.5  1.62  49
PPM 120798     05:19:12.4 +17:41:32  8.5  0.19  51
10TS191        05:19:34.9 +17:51:31 14.5        50
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 4.6 sigma about the mid-time.
The median site spacing is 24.9 km RECON observability=1.0 and success probability=15.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 08:30:58 -55.2 Dark Up 52.4 142.4 Up 08:15:58 - 08:45:58 -1532
Sleaford 08:30:09 -49.5 Dark Up 55.0 165.2 Up 08:15:09 - 08:45:09 -1609
Kelowna 08:30:57 -55.7 Dark Up 53.4 143.0 Up 08:15:57 - 08:45:57 -1618
Peachland 08:30:58 -55.9 Dark Up 53.3 142.5 Up 08:15:58 - 08:45:58 -1623
Summerland 08:30:58 -56.0 Dark Up 53.5 142.5 Up 08:15:58 - 08:45:58 -1637
Penticton 08:30:58 -56.0 Dark Up 53.6 142.6 Up 08:15:58 - 08:45:58 -1645
Oliver 08:30:59 -56.4 Dark Up 53.9 142.3 Up 08:15:59 - 08:45:59 -1676
Victoria 08:30:59 -57.8 Dark Up 52.7 136.3 Up 08:15:59 - 08:45:59 -1690
Anarchist Mountain Observatory 08:30:59 -56.5 Dark Up 54.1 142.5 Up 08:15:59 - 08:45:59 -1694
Tonasket 08:30:59 -56.8 Dark Up 54.3 142.1 Up 08:15:59 - 08:45:59 -1721
Okanogan 08:30:59 -57.1 Dark Up 54.5 141.6 Up 08:15:59 - 08:45:59 -1749
Brewster 08:30:59 -57.4 Dark Up 54.6 141.0 Up 08:15:59 - 08:45:59 -1770
Manson/Chelan 08:30:59 -57.7 Dark Up 54.6 140.3 Up 08:15:59 - 08:45:59 -1784
Wenatchee 08:30:59 -58.2 Dark Up 54.9 139.6 Up 08:15:59 - 08:45:59 -1825
Ellensburg 08:30:59 -58.6 Dark Up 55.1 138.9 Up 08:15:59 - 08:45:59 -1861
Yakima 08:30:59 -59.0 Dark Up 55.4 138.5 Up 08:15:59 - 08:45:59 -1899
Toppenish/White Swan 08:30:59 -59.2 Dark Up 55.7 138.6 Up 08:15:59 - 08:45:59 -1922
Goldendale 08:30:59 -59.8 Dark Up 55.9 137.4 Up 08:15:59 - 08:45:59 -1970
PNWRO 08:30:59 -59.1 Dark Up 56.6 140.5 Up 08:15:59 - 08:45:59 -1976
The Dalles 08:30:59 -60.1 Dark Up 55.9 136.6 Up 08:15:59 - 08:45:59 -1988
Maupin 08:30:59 -60.5 Dark Up 56.2 136.3 Up 08:15:59 - 08:45:59 -2029
Sisters 08:30:59 -61.4 Dark Up 56.6 134.7 Up 08:15:59 - 08:45:59 -2111
Bend 08:30:59 -61.6 Dark Up 56.9 134.8 Up 08:15:59 - 08:45:59 -2137
Oregon Observatory 08:30:59 -61.8 Dark Up 57.0 134.4 Up 08:15:59 - 08:45:59 -2153
North Lake 08:30:59 -62.2 Dark Up 57.7 134.5 Up 08:15:59 - 08:45:59 -2220
Chiloquin 08:31:21 -63.1 Dark Up 57.7 132.5 Up 08:16:21 - 08:46:21 -2240
Klamath Falls 08:31:21 -63.4 Dark Up 58.0 132.2 Up 08:16:21 - 08:46:21 -2274
Lakeview 08:30:59 -63.0 Dark Up 58.7 134.1 Up 08:15:59 - 08:45:59 -2330
Fall River/Burney 08:31:22 -64.4 Dark Up 59.0 131.3 Up 08:16:22 - 08:46:22 -2393
Cedarville 08:30:59 -63.6 Dark Up 59.3 133.6 Up 08:15:59 - 08:45:59 -2397
Susanville 08:31:21 -64.7 Dark Up 59.8 131.6 Up 08:16:21 - 08:46:21 -2469
Greenville 08:31:22 -65.0 Dark Up 59.8 130.8 Up 08:16:22 - 08:46:22 -2490
Gimple 08:31:22 -65.0 Dark Up 59.9 131.0 Up 08:16:22 - 08:46:22 -2491
Quincy 08:31:23 -65.2 Dark Up 60.0 130.6 Up 08:16:23 - 08:46:23 -2509
Portola 08:31:21 -65.2 Dark Up 60.3 131.1 Up 08:16:21 - 08:46:21 -2531
Reno 08:31:20 -65.2 Dark Up 60.9 131.8 Up 08:16:20 - 08:46:20 -2569
Carson City 08:31:20 -65.5 Dark Up 61.1 131.3 Up 08:16:20 - 08:46:20 -2605
Gardnerville 08:31:21 -65.7 Dark Up 61.3 131.1 Up 08:16:21 - 08:46:21 -2630
Yerington 08:31:18 -65.4 Dark Up 61.6 132.0 Up 08:16:18 - 08:46:18 -2636
Hawthorne 08:30:59 -65.6 Dark Up 62.2 132.1 Up 08:15:59 - 08:45:59 -2716
Lee Vining 08:31:20 -66.3 Dark Up 62.3 130.7 Up 08:16:20 - 08:46:20 -2738
Dunrhomin 08:30:20 -57.4 Dark Up 66.5 160.5 Up 08:15:20 - 08:45:20 -2745
CU-SBO 08:30:20 -57.6 Dark Up 66.7 160.1 Up 08:15:20 - 08:45:20 -2769
Tonopah 08:30:59 -65.4 Dark Up 63.3 133.8 Up 08:15:59 - 08:45:59 -2778
Bishop 08:31:18 -66.5 Dark Up 63.1 130.9 Up 08:16:18 - 08:46:18 -2812
Beatty 08:30:59 -66.1 Dark Up 64.4 132.9 Up 08:15:59 - 08:45:59 -2902
Indian Springs 08:30:59 -65.8 Dark Up 65.2 134.3 Up 08:15:59 - 08:45:59 -2950
Henderson 08:30:59 -65.9 Dark Up 66.0 134.7 Up 08:15:59 - 08:45:59 -3014
Patrick 08:30:59 -65.7 Dark Up 67.1 135.8 Up 08:15:59 - 08:45:59 -3096
Laughlin/Bullhead City 08:30:59 -66.3 Dark Up 66.9 134.1 Up 08:15:59 - 08:45:59 -3110
Kingman/Dolan Springs 08:30:59 -65.9 Dark Up 67.1 135.1 Up 08:15:59 - 08:45:59 -3116
Wildwood 08:31:24 -69.2 Dark Up 65.1 125.3 Up 08:16:24 - 08:46:24 -3138
Mohave Valley 08:30:59 -66.5 Dark Up 67.0 133.6 Up 08:15:59 - 08:45:59 -3139
Lake Havasu City 08:30:59 -66.6 Dark Up 67.5 133.4 Up 08:15:59 - 08:45:59 -3184
Idyllwild 08:31:17 -68.5 Dark Up 66.5 127.8 Up 08:16:17 - 08:46:17 -3212
Parker 08:30:59 -66.8 Dark Up 67.7 132.8 Up 08:15:59 - 08:45:59 -3221
George/Scottsdale 08:30:56 -65.6 Dark Up 69.5 137.0 Up 08:15:56 - 08:45:56 -3306
Calipatria 08:30:59 -68.3 Dark Up 67.6 128.6 Up 08:15:59 - 08:45:59 -3311
Yuma 08:30:59 -68.0 Dark Up 68.5 129.5 Up 08:15:59 - 08:45:59 -3368

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 10TS191, (2028/11/09 08:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 10.11  61
Alnath         05:26:17.6 +28:36:23  1.6 10.95  49
111 Tau        05:24:25.8 +17:23:00  5.5  1.62  49
PPM 120798     05:17:31.6 +17:39:47  8.5  0.19  51
10TS191        05:17:53.9 +17:49:47 14.5        51
Positions are for J2000

Event circumstances last updated at 2022/05/30 23:02:19 UT

Marc W. Buie, Southwest Research Institute

RECON