RECON: TNO occultation with 523704

Event between (523704) 14HB200 and star GA0620:08757183 with event index number of 2753684

Geocentric closest approach at 2029/05/17 10:08:27 UTC

J2000 position of star is 16:27:59.5 -26:23:25
Equinox of date position of star is 16:29:21.2 -26:26:18
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 148 degrees from the moon. Moon is 14% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 30.4 AU from the Sun and 29.4 AU from the Earth.
The TNO is moving 22.7 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 335 seconds.
The 1-sigma cross-track error in the shadow position is 2580 km.
The sky-plane scale is 21321.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=187.1 km assuming a 5% albedo -- 8.2 sec chord
Diameter=76.4 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 523704, (2029/05/17 10:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.8 -26:29:40  0.9  0.32 149
23Tau Sco      16:37:43.0 -28:16:27  2.8  2.53 150
PPM 265618     16:33:11.4 -26:35:56  6.1  0.77 149
PPM 265539     16:28:55.8 -26:19:18  8.2  0.23 148
PPM 265562     16:30:19.9 -26:17:20  9.2  0.20 148
523704         16:29:47.8 -26:27:13 15.6       149
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 2.7 sigma about the mid-time.
The median site spacing is 13.7 km RECON observability=0.5 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:07:54 -14.3 AT Down 10.9 198.2 Really Low 09:52:54 - 10:22:54 11496
Kelowna 10:07:50 -14.7 AT Down 11.5 199.0 Really Low 09:52:50 - 10:22:50 11471
Peachland 10:07:51 -14.9 AT Down 11.7 198.8 Really Low 09:52:51 - 10:22:51 11470
Summerland 10:07:50 -15.0 AT Down 11.8 198.9 Really Low 09:52:50 - 10:22:50 11466
Penticton 10:07:50 -15.0 AT Down 11.8 199.0 Really Low 09:52:50 - 10:22:50 11463
Oliver 10:07:49 -15.3 AT Down 12.2 199.0 Really Low 09:52:49 - 10:22:49 11454
Victoria 10:08:00 -17.1 AT Down 13.6 195.6 Really Low 09:53:00 - 10:23:00 11450
Anarchist Mountain Observatory 10:07:49 -15.3 AT Down 12.3 199.2 Really Low 09:52:49 - 10:22:49 11449
Tonasket 10:07:49 -15.6 AT Down 12.6 199.1 Really Low 09:52:49 - 10:22:49 11440
Okanogan 10:07:48 -16.0 AT Down 13.0 199.0 Really Low 09:52:48 - 10:22:48 11431
Brewster 10:07:48 -16.3 AT Down 13.3 198.9 Really Low 09:52:48 - 10:22:48 11424
Manson/Chelan 10:07:50 -16.6 AT Down 13.5 198.5 Really Low 09:52:50 - 10:22:50 11420
Sleaford 10:07:17 -7.7 NT Down 6.0 210.5 Really Low 09:52:17 - 10:22:17 11415
Wenatchee 10:07:49 -17.0 AT Down 14.0 198.4 Really Low 09:52:49 - 10:22:49 11407
Ellensburg 10:07:49 -17.5 AT Down 14.5 198.3 Really Low 09:52:49 - 10:22:49 11395
Yakima 10:07:48 -17.8 AT Down 14.9 198.3 Really Low 09:52:48 - 10:22:48 11382
Toppenish/White Swan 10:07:48 -17.9 AT Down 15.0 198.5 Really Low 09:52:48 - 10:22:48 11375
Goldendale 10:07:48 -18.6 Dark Down 15.6 198.1 Really Low 09:52:48 - 10:22:48 11359
PNWRO 10:07:43 -17.7 AT Down 15.0 199.8 Really Low 09:52:43 - 10:22:43 11355
The Dalles 10:07:50 -18.9 Dark Down 15.9 197.8 Really Low 09:52:50 - 10:22:50 11352
Maupin 10:07:48 -19.2 Dark Down 16.3 197.9 Really Low 09:52:48 - 10:22:48 11338
Sisters 10:07:48 -20.2 Dark Down 17.3 197.6 Really Low 09:52:48 - 10:22:48 11310
Bend 10:07:48 -20.3 Dark Down 17.4 197.8 Really Low 09:52:48 - 10:22:48 11300
Oregon Observatory 10:07:48 -20.5 Dark Down 17.6 197.7 Really Low 09:52:48 - 10:22:48 11294
North Lake 10:07:45 -20.8 Dark Down 18.1 198.3 Really Low 09:52:45 - 10:22:45 11268
Chiloquin 10:07:49 -21.7 Dark Down 19.0 197.5 Really Low 09:52:49 - 10:22:49 11246
Klamath Falls 10:07:48 -22.0 Dark Down 19.3 197.6 Really Low 09:52:48 - 10:22:48 11232
Lakeview 10:07:42 -21.5 Dark Down 19.0 198.9 Really Low 09:52:42 - 10:22:42 11225
Cedarville 10:07:41 -22.0 Dark Down 19.6 199.1 Really Low 09:52:41 - 10:22:41 11197
Fall River/Burney 10:07:45 -22.8 Dark Down 20.3 198.1 Low 09:52:45 - 10:22:45 11182
Susanville 10:07:41 -23.1 Dark Down 20.7 198.8 Low 09:52:41 - 10:22:41 11153
Greenville 10:07:42 -23.4 Dark Down 21.1 198.6 Low 09:52:42 - 10:22:42 11142
Gimple 10:07:41 -23.4 Dark Down 21.1 198.6 Low 09:52:41 - 10:22:41 11141
Quincy 10:07:42 -23.6 Dark Down 21.3 198.6 Low 09:52:42 - 10:22:42 11133
Portola 10:07:40 -23.5 Dark Down 21.3 199.0 Low 09:52:40 - 10:22:40 11126
Reno 10:07:38 -23.5 Dark Down 21.4 199.7 Low 09:52:38 - 10:22:38 11110
Carson City 10:07:37 -23.7 Dark Down 21.7 199.7 Low 09:52:37 - 10:22:37 11094
Gardnerville 10:07:37 -23.9 Dark Down 21.9 199.8 Low 09:52:37 - 10:22:37 11083
Yerington 10:07:34 -23.6 Dark Down 21.7 200.3 Low 09:52:34 - 10:22:34 11082
Hawthorne 10:07:32 -23.8 Dark Down 22.0 200.9 Low 09:52:32 - 10:22:32 11057
Lee Vining 10:07:33 -24.5 Dark Down 22.7 200.5 Low 09:52:33 - 10:22:33 11034
Tonopah 10:07:27 -23.5 Dark Down 22.0 202.2 Low 09:52:27 - 10:22:27 11026
Bishop 10:07:29 -24.6 Dark Down 23.0 201.3 Low 09:52:29 - 10:22:29 11000
Dunrhomin 10:06:51 -15.8 AT Down 15.9 212.2 Really Low 09:51:51 - 10:21:51 10994
CU-SBO 10:06:50 -16.0 AT Down 16.1 212.2 Really Low 09:51:50 - 10:21:50 10984
Beatty 10:07:23 -24.2 Dark Down 23.0 202.8 Low 09:52:23 - 10:22:23 10965
Indian Springs 10:07:19 -24.0 Dark Down 22.9 203.8 Low 09:52:19 - 10:22:19 10940
Henderson 10:07:16 -24.0 Dark Down 23.2 204.5 Low 09:52:16 - 10:22:16 10907
Patrick 10:07:12 -23.9 Dark Down 23.4 205.6 Low 09:52:12 - 10:22:12 10864
Laughlin/Bullhead City 10:07:13 -24.5 Dark Down 23.8 205.1 Low 09:52:13 - 10:22:13 10858
Kingman/Dolan Springs 10:07:12 -24.2 Dark Down 23.6 205.5 Low 09:52:12 - 10:22:12 10855
Mohave Valley 10:07:13 -24.7 Dark Down 24.1 205.1 Low 09:52:13 - 10:22:13 10843
Wildwood 10:07:26 -27.4 Dark Down 26.1 201.6 Low 09:52:26 - 10:22:26 10833
Lake Havasu City 10:07:11 -24.9 Dark Down 24.4 205.4 Low 09:52:11 - 10:22:11 10819
Idyllwild 10:07:19 -26.7 Dark Down 25.9 203.4 Low 09:52:19 - 10:22:19 10801
Parker 10:07:11 -25.1 Dark Down 24.7 205.5 Low 09:52:11 - 10:22:11 10800
Calipatria 10:07:13 -26.6 Dark Down 26.0 204.6 Low 09:52:13 - 10:22:13 10755
George/Scottsdale 10:07:01 -24.1 Dark Down 24.2 207.7 Low 09:52:01 - 10:22:01 10751
Yuma 10:07:10 -26.4 Dark Down 26.1 205.5 Low 09:52:10 - 10:22:10 10723

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 523704, (2029/05/17 10:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  0.32 149
23Tau Sco      16:35:52.9 -28:12:58  2.8  2.53 150
PPM 265618     16:31:22.8 -26:32:16  6.1  0.77 149
PPM 265539     16:27:07.6 -26:15:28  8.2  0.23 148
PPM 265562     16:28:31.7 -26:13:33  9.2  0.20 148
523704         16:27:59.5 -26:23:25 15.6       148
Positions are for J2000

Event circumstances last updated at 2022/02/27 23:59:18 UT

Marc W. Buie, Southwest Research Institute

RECON