RECON: TNO occultation with 523701

Event between (523701) 14HT199 and star GA0640:13676102 with event index number of 2778314

Geocentric closest approach at 2029/06/23 06:45:37 UTC

J2000 position of star is 17:17:19.8 -24:59:58
Equinox of date position of star is 17:18:41.6 -25:01:19
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 26 degrees from the moon. Moon is 89% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 30.0 AU from the Sun and 29.0 AU from the Earth.
The TNO is moving 22.9 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 291 seconds.
The 1-sigma cross-track error in the shadow position is 2524 km.
The sky-plane scale is 21044.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 8.9 sec chord
Diameter=83.4 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 523701, (2029/06/23 06:46UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9 10.88  16
35Eta Oph      17:12:04.2 -15:45:33  2.6  9.42  26
PPM 266746     17:23:30.2 -24:55:59  6.5  0.99  27
PPM 266644     17:18:58.9 -24:50:38  8.5  0.19  26
PPM 266647     17:19:23.2 -25:08:06  9.1  0.12  26
523701         17:19:08.5 -25:01:45 16.2        27
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 14.0 km RECON observability=0.6 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 06:45:20 -14.4 AT Up 12.6 187.2 Really Low 06:30:20 - 07:00:20 4658
Kamloops 06:46:02 -13.9 AT Up 14.1 174.0 Really Low 06:31:02 - 07:01:02 4609
Kelowna 06:46:00 -14.9 AT Up 15.0 174.8 Really Low 06:31:00 - 07:01:00 4589
Peachland 06:46:01 -14.9 AT Up 15.1 174.5 Really Low 06:31:01 - 07:01:01 4585
Summerland 06:46:01 -15.1 AT Up 15.2 174.6 Really Low 06:31:01 - 07:01:01 4581
Penticton 06:46:00 -15.2 AT Up 15.3 174.7 Really Low 06:31:00 - 07:01:00 4579
Oliver 06:46:01 -15.5 AT Up 15.6 174.7 Really Low 06:31:01 - 07:01:01 4568
Anarchist Mountain Observatory 06:46:00 -15.7 AT Up 15.8 174.8 Really Low 06:31:00 - 07:01:00 4565
Tonasket 06:46:01 -16.0 AT Up 16.1 174.8 Really Low 06:31:01 - 07:01:01 4554
Okanogan 06:46:01 -16.3 AT Up 16.5 174.6 Really Low 06:31:01 - 07:01:01 4543
Brewster 06:46:02 -16.5 AT Up 16.7 174.4 Really Low 06:31:02 - 07:01:02 4533
Victoria 06:46:13 -15.3 AT Up 16.0 171.1 Really Low 06:31:13 - 07:01:13 4527
Manson/Chelan 06:46:03 -16.6 AT Up 16.9 174.1 Really Low 06:31:03 - 07:01:03 4525
Wenatchee 06:46:04 -17.0 AT Up 17.4 173.9 Really Low 06:31:04 - 07:01:04 4508
Ellensburg 06:46:05 -17.4 AT Up 17.8 173.7 Really Low 06:31:05 - 07:01:05 4493
Yakima 06:46:05 -17.8 AT Up 18.2 173.7 Really Low 06:31:05 - 07:01:05 4478
Toppenish/White Swan 06:46:04 -18.0 Dark Up 18.4 173.8 Really Low 06:31:04 - 07:01:04 4471
PNWRO 06:45:59 -18.7 Dark Up 18.9 175.2 Really Low 06:30:59 - 07:00:59 4465
Goldendale 06:46:06 -18.4 Dark Up 18.9 173.4 Really Low 06:31:06 - 07:01:06 4449
The Dalles 06:46:07 -18.6 Dark Up 19.1 173.0 Really Low 06:31:07 - 07:01:07 4439
Maupin 06:46:07 -19.0 Dark Up 19.5 173.1 Really Low 06:31:07 - 07:01:07 4424
Sisters 06:46:09 -19.7 Dark Up 20.4 172.6 Low 06:31:09 - 07:01:09 4387
Bend 06:46:08 -20.0 Dark Up 20.6 172.8 Low 06:31:08 - 07:01:08 4379
Oregon Observatory 06:46:08 -20.1 Dark Up 20.8 172.7 Low 06:31:08 - 07:01:08 4372
North Lake 06:46:07 -20.9 Dark Up 21.5 173.2 Low 06:31:07 - 07:01:07 4349
Chiloquin 06:46:11 -21.3 Dark Up 22.0 172.3 Low 06:31:11 - 07:01:11 4314
Lakeview 06:46:06 -22.0 Dark Up 22.6 173.7 Low 06:31:06 - 07:01:06 4307
Klamath Falls 06:46:11 -21.6 Dark Up 22.4 172.3 Low 06:31:11 - 07:01:11 4300
Cedarville 06:46:05 -22.7 Dark Up 23.2 173.8 Low 06:31:05 - 07:01:05 4279
Fall River/Burney 06:46:10 -22.8 Dark Up 23.6 172.6 Low 06:31:10 - 07:01:10 4250
Dunrhomin 06:45:11 -26.2 Dark Up 24.3 188.5 Low 06:30:11 - 07:00:11 4231
Susanville 06:46:07 -23.6 Dark Up 24.3 173.3 Low 06:31:07 - 07:01:07 4225
CU-SBO 06:45:11 -26.4 Dark Up 24.5 188.4 Low 06:30:11 - 07:00:11 4220
Gimple 06:46:08 -23.8 Dark Up 24.5 173.1 Low 06:31:08 - 07:01:08 4211
Greenville 06:46:09 -23.8 Dark Up 24.5 173.0 Low 06:31:09 - 07:01:09 4211
Quincy 06:46:09 -24.0 Dark Up 24.7 173.0 Low 06:31:09 - 07:01:09 4201
Portola 06:46:07 -24.2 Dark Up 24.9 173.5 Low 06:31:07 - 07:01:07 4198
Reno 06:46:04 -24.6 Dark Up 25.2 174.1 Low 06:31:04 - 07:01:04 4189
Carson City 06:46:04 -25.0 Dark Up 25.6 174.1 Low 06:31:04 - 07:01:04 4172
Yerington 06:46:02 -25.3 Dark Up 25.8 174.7 Low 06:31:02 - 07:01:02 4165
Gardnerville 06:46:04 -25.2 Dark Up 25.8 174.1 Low 06:31:04 - 07:01:04 4160
Hawthorne 06:46:00 -25.9 Dark Up 26.3 175.2 Low 06:31:00 - 07:01:00 4145
Tonopah 06:45:56 -26.6 Dark Up 26.9 176.6 Low 06:30:56 - 07:00:56 4128
Lee Vining 06:46:03 -26.3 Dark Up 26.8 174.7 Low 06:31:03 - 07:01:03 4115
Bishop 06:46:00 -27.0 Dark Up 27.5 175.4 Low 06:31:00 - 07:01:00 4087
Beatty 06:45:54 -27.9 Dark Up 28.0 177.0 Low 06:30:54 - 07:00:54 4069
Indian Springs 06:45:50 -28.4 Dark Up 28.4 178.1 Low 06:30:50 - 07:00:50 4055
Henderson 06:45:46 -29.1 Dark Up 29.0 178.8 Low 06:30:46 - 07:00:46 4028
Patrick 06:45:43 -29.9 Dark Up 29.6 180.0 Low 06:30:43 - 07:00:43 3996
Kingman/Dolan Springs 06:45:43 -30.1 Dark Up 29.8 179.8 Low 06:30:43 - 07:00:43 3984
Laughlin/Bullhead City 06:45:46 -30.0 Dark Up 29.8 179.2 Low 06:30:46 - 07:00:46 3981
Mohave Valley 06:45:46 -30.3 Dark Up 30.1 179.2 Up 06:30:46 - 07:00:46 3966
Lake Havasu City 06:45:45 -30.7 Dark Up 30.5 179.5 Up 06:30:45 - 07:00:45 3944
Parker 06:45:44 -31.0 Dark Up 30.9 179.5 Up 06:30:44 - 07:00:44 3924
Wildwood 06:46:01 -30.1 Dark Up 30.7 175.0 Up 06:31:01 - 07:01:01 3908
George/Scottsdale 06:45:35 -31.9 Dark Up 31.3 182.1 Up 06:30:35 - 07:00:35 3903
Idyllwild 06:45:54 -30.9 Dark Up 31.2 177.0 Up 06:30:54 - 07:00:54 3895
Calipatria 06:45:50 -31.8 Dark Up 31.9 178.2 Up 06:30:50 - 07:00:50 3862
Yuma 06:45:46 -32.4 Dark Up 32.3 179.1 Up 06:30:46 - 07:00:46 3839

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 523701, (2029/06/23 06:46UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.88  16
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.42  26
PPM 266746     17:21:41.5 -24:54:23  6.5  0.99  27
PPM 266644     17:17:10.3 -24:48:51  8.5  0.19  26
PPM 266647     17:17:34.4 -25:06:19  9.1  0.12  26
523701         17:17:19.8 -24:59:58 16.2        26
Positions are for J2000

Event circumstances last updated at 2022/03/07 21:48:35 UT

Marc W. Buie, Southwest Research Institute

RECON