RECON: TNO occultation with 183595

Event between (183595) 03TG58 and star GA1120:02388136 with event index number of 2670063

Geocentric closest approach at 2028/12/26 07:14:21 UTC

J2000 position of star is 06:42:44.0 +22:59:27
Equinox of date position of star is 06:44:05.5 +22:58:02
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon. Moon is 72% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 41.4 AU from the Sun and 40.5 AU from the Earth.
The TNO is moving 25.4 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 1376 seconds.
The 1-sigma cross-track error in the shadow position is 5491 km.
The sky-plane scale is 29343.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=291.1 km assuming a 5% albedo -- 11.5 sec chord
Diameter=118.8 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 183595, (2028/12/26 07:14UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:05.4 +27:57:14  1.1 14.97  81
Alhena         06:39:23.2 +16:22:19  1.9  6.70  69
PPM 096308     06:40:49.9 +22:00:10  6.0  1.28  68
PPM 096508     06:47:55.8 +23:20:19  7.4  0.88  69
PPM 096423     06:44:39.4 +23:11:00  8.8  0.23  69
183595         06:44:29.3 +22:57:37 15.9        69
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 0.7 sigma about the mid-time.
The median site spacing is 31.1 km RECON observability=1.0 and success probability=4.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:14:37 -61.2 Dark Up 60.8 175.0 Up 06:59:37 - 07:29:37 11513
Kamloops 07:15:16 -61.2 Dark Up 59.4 148.3 Up 07:00:16 - 07:30:16 11373
Kelowna 07:15:15 -62.2 Dark Up 60.3 149.1 Up 07:00:15 - 07:30:15 11290
Peachland 07:15:15 -62.2 Dark Up 60.3 148.5 Up 07:00:15 - 07:30:15 11280
Summerland 07:15:15 -62.3 Dark Up 60.5 148.5 Up 07:00:15 - 07:30:15 11265
Penticton 07:15:15 -62.4 Dark Up 60.6 148.6 Up 07:00:15 - 07:30:15 11258
Oliver 07:15:16 -62.8 Dark Up 60.9 148.3 Up 07:00:16 - 07:30:16 11223
Anarchist Mountain Observatory 07:15:15 -63.0 Dark Up 61.1 148.5 Up 07:00:15 - 07:30:15 11205
Tonasket 07:15:16 -63.2 Dark Up 61.3 148.1 Up 07:00:16 - 07:30:16 11174
Victoria 07:15:27 -62.2 Dark Up 60.0 141.2 Up 07:00:27 - 07:30:27 11172
Okanogan 07:15:16 -63.5 Dark Up 61.6 147.5 Up 07:00:16 - 07:30:16 11141
Brewster 07:15:17 -63.7 Dark Up 61.7 146.9 Up 07:00:17 - 07:30:17 11114
Manson/Chelan 07:15:19 -63.8 Dark Up 61.8 146.0 Up 07:00:19 - 07:30:19 11094
Wenatchee 07:15:19 -64.2 Dark Up 62.1 145.2 Up 07:00:19 - 07:30:19 11047
Ellensburg 07:15:20 -64.5 Dark Up 62.4 144.4 Up 07:00:20 - 07:30:20 11006
Yakima 07:15:21 -64.9 Dark Up 62.7 143.9 Up 07:00:21 - 07:30:21 10965
Toppenish/White Swan 07:15:20 -65.1 Dark Up 62.9 143.9 Up 07:00:20 - 07:30:20 10942
PNWRO 07:15:15 -65.9 Dark Up 63.8 146.3 Up 07:00:15 - 07:30:15 10899
Goldendale 07:15:21 -65.5 Dark Up 63.2 142.5 Up 07:00:21 - 07:30:21 10887
The Dalles 07:15:23 -65.5 Dark Up 63.2 141.6 Up 07:00:23 - 07:30:23 10865
Maupin 07:15:23 -65.9 Dark Up 63.6 141.3 Up 07:00:23 - 07:30:23 10822
Sisters 07:15:25 -66.5 Dark Up 64.0 139.2 Up 07:00:25 - 07:30:25 10733
Bend 07:15:25 -66.8 Dark Up 64.3 139.4 Up 07:00:25 - 07:30:25 10708
Oregon Observatory 07:15:24 -66.9 Dark Up 64.4 138.9 Up 07:00:24 - 07:30:24 10690
North Lake 07:15:23 -67.7 Dark Up 65.1 139.0 Up 07:00:23 - 07:30:23 10622
Chiloquin 07:15:27 -67.9 Dark Up 65.2 136.3 Up 07:00:27 - 07:30:27 10555
Klamath Falls 07:15:27 -68.2 Dark Up 65.5 135.9 Up 07:00:27 - 07:30:27 10519
Lakeview 07:15:22 -68.8 Dark Up 66.2 138.5 Up 07:00:22 - 07:30:22 10509
Cedarville 07:15:23 -69.4 Dark Up 66.8 137.9 Up 07:00:23 - 07:30:23 10439
Fall River/Burney 07:15:26 -69.3 Dark Up 66.5 134.7 Up 07:00:26 - 07:30:26 10393
Susanville 07:15:24 -70.2 Dark Up 67.3 135.1 Up 07:00:24 - 07:30:24 10323
Dunrhomin 07:14:33 -72.9 Dark Up 72.7 174.1 Up 06:59:33 - 07:29:33 10310
Greenville 07:15:25 -70.3 Dark Up 67.4 134.1 Up 07:00:25 - 07:30:25 10295
Gimple 07:15:25 -70.3 Dark Up 67.4 134.2 Up 07:00:25 - 07:30:25 10295
CU-SBO 07:14:34 -73.1 Dark Up 72.9 173.8 Up 06:59:34 - 07:29:34 10283
Quincy 07:15:25 -70.4 Dark Up 67.5 133.7 Up 07:00:25 - 07:30:25 10274
Portola 07:15:24 -70.7 Dark Up 67.9 134.4 Up 07:00:24 - 07:30:24 10258
Reno 07:15:23 -71.2 Dark Up 68.4 135.2 Up 07:00:23 - 07:30:23 10227
Carson City 07:15:22 -71.5 Dark Up 68.7 134.6 Up 07:00:22 - 07:30:22 10189
Yerington 07:15:21 -72.0 Dark Up 69.2 135.6 Up 07:00:21 - 07:30:21 10166
Gardnerville 07:15:22 -71.8 Dark Up 68.9 134.3 Up 07:00:22 - 07:30:22 10163
Hawthorne 07:15:19 -72.6 Dark Up 69.8 135.8 Up 07:00:19 - 07:30:19 10115
Tonopah 07:15:15 -73.6 Dark Up 70.9 138.0 Up 07:00:15 - 07:30:15 10061
Lee Vining 07:15:21 -72.9 Dark Up 69.9 133.7 Up 07:00:21 - 07:30:21 10056
Bishop 07:15:18 -73.7 Dark Up 70.7 134.0 Up 07:00:18 - 07:30:18 9989
Beatty 07:15:12 -74.7 Dark Up 72.0 136.7 Up 07:00:12 - 07:30:12 9935
Indian Springs 07:15:09 -75.4 Dark Up 72.8 138.7 Up 07:00:09 - 07:30:09 9898
Henderson 07:15:07 -76.2 Dark Up 73.5 139.3 Up 07:00:07 - 07:30:07 9839
Patrick 07:15:03 -77.1 Dark Up 74.6 141.0 Up 07:00:03 - 07:30:03 9770
Kingman/Dolan Springs 07:15:04 -77.2 Dark Up 74.7 139.9 Up 07:00:04 - 07:30:04 9746
Laughlin/Bullhead City 07:15:06 -77.1 Dark Up 74.4 138.4 Up 07:00:06 - 07:30:06 9744
Mohave Valley 07:15:05 -77.3 Dark Up 74.6 137.8 Up 07:00:05 - 07:30:05 9715
Lake Havasu City 07:15:05 -77.8 Dark Up 75.1 137.5 Up 07:00:05 - 07:30:05 9671
Wildwood 07:15:20 -76.2 Dark Up 72.7 126.0 Up 07:00:20 - 07:30:20 9636
Parker 07:15:05 -78.1 Dark Up 75.3 136.6 Up 07:00:05 - 07:30:05 9633
Idyllwild 07:15:14 -77.4 Dark Up 74.2 129.3 Up 07:00:14 - 07:30:14 9592
George/Scottsdale 07:14:56 -79.2 Dark Up 76.9 143.0 Up 06:59:56 - 07:29:56 9586
Calipatria 07:15:09 -78.5 Dark Up 75.3 130.5 Up 07:00:09 - 07:30:09 9523
Yuma 07:15:07 -79.2 Dark Up 76.1 131.6 Up 07:00:07 - 07:30:07 9474

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 183595, (2028/12/26 07:14UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 14.97  81
Alhena         06:37:42.8 +16:23:56  1.9  6.70  69
PPM 096308     06:39:05.3 +22:01:51  6.0  1.28  68
PPM 096508     06:46:10.3 +23:22:18  7.4  0.88  69
PPM 096423     06:42:53.9 +23:12:50  8.8  0.23  69
183595         06:42:44.0 +22:59:27 15.9        69
Positions are for J2000

Event circumstances last updated at 2022/06/02 23:04:55 UT

Marc W. Buie, Southwest Research Institute

RECON