RECON: TNO occultation with 523718

Event between (523718) 14KZ101 and star GA0820:16530404 with event index number of 2778092

Geocentric closest approach at 2029/06/01 05:48:56 UTC

J2000 position of star is 18:53:10.7 -06:25:17
Equinox of date position of star is 18:54:29.6 -06:23:23
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 28 degrees from the moon. Moon is 77% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 37.0 AU from the Sun and 36.2 AU from the Earth.
Apparent velocity is 18.8 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 708 seconds.
The 1-sigma cross-track error in the shadow position is 1978 km.
The sky-plane scale is 26258.0 km/arcsec.

The object has an absolute magnitude Hv=6.5
Diameter=316.2 km assuming a 5% albedo -- 16.1 sec chord
Diameter=129.1 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 523718, (2029/06/01 05:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.0 -26:29:40  0.9 39.63  59
Nunki          18:57:05.2 -26:15:26  2.0 19.88  27
Eta Sct        18:58:38.1 -05:48:20  4.8  1.12  27
PPM 202291     18:56:02.4 -05:55:07  7.8  0.56  28
PPM 202269     18:54:57.6 -06:31:25  8.6  0.15  28
523718         18:54:45.4 -06:22:59 16.9        28
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 1.3 sigma about the mid-time.
The median site spacing is 39.4 km RECON observability=0.2 and success probability=1.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 05:52:04 -14.3 AT Down 17.1 125.9 Really Low 05:37:04 - 06:07:04 5778
Kamloops 05:52:36 -12.1 AT Down 10.1 113.3 Really Low 05:37:36 - 06:07:36 5538
Kelowna 05:52:38 -13.0 AT Down 10.9 113.9 Really Low 05:37:38 - 06:07:38 5487
Peachland 05:52:38 -13.0 AT Down 10.8 113.7 Really Low 05:37:38 - 06:07:38 5476
Summerland 05:52:40 -13.2 AT Down 10.9 113.7 Really Low 05:37:40 - 06:07:40 5466
Penticton 05:52:40 -13.3 AT Down 11.0 113.8 Really Low 05:37:40 - 06:07:40 5462
Oliver 05:52:41 -13.6 AT Down 11.1 113.7 Really Low 05:37:41 - 06:07:41 5435
Anarchist Mountain Observatory 05:52:42 -13.8 AT Down 11.3 113.9 Really Low 05:37:42 - 06:07:42 5425
Okanogan 05:52:43 -14.3 AT Down 11.5 113.6 Really Low 05:37:43 - 06:07:43 5374
Brewster 05:52:44 -14.5 AT Down 11.4 113.4 Really Low 05:37:44 - 06:07:44 5351
Victoria 05:52:49 -12.9 AT Down 9.1 110.6 Really Low 05:37:49 - 06:07:49 5347
Manson/Chelan 05:52:46 -14.5 AT Down 11.3 113.0 Really Low 05:37:46 - 06:07:46 5331
Wenatchee 05:52:48 -14.9 AT Down 11.4 112.8 Really Low 05:37:48 - 06:07:48 5293
Ellensburg 05:52:50 -15.2 AT Down 11.4 112.6 Really Low 05:37:50 - 06:07:50 5259
Yakima 05:52:51 -15.5 AT Down 11.6 112.5 Really Low 05:37:51 - 06:07:51 5226
Toppenish/White Swan 05:52:52 -15.8 AT Down 11.8 112.6 Really Low 05:37:52 - 06:07:52 5211
PNWRO 05:52:51 -16.6 AT Down 12.9 113.7 Really Low 05:37:51 - 06:07:51 5198
The Dalles 05:52:55 -16.2 AT Down 11.5 111.8 Really Low 05:37:55 - 06:07:55 5141
Maupin 05:52:58 -16.6 AT Down 11.8 111.8 Really Low 05:37:58 - 06:07:58 5109
Sisters 05:53:01 -17.1 AT Down 11.8 111.3 Really Low 05:38:01 - 06:08:01 5032
Bend 05:53:02 -17.5 AT Down 12.0 111.4 Really Low 05:38:02 - 06:08:02 5016
Oregon Observatory 05:53:02 -17.5 AT Down 12.0 111.3 Really Low 05:38:02 - 06:08:02 5000
Dunrhomin 05:52:37 -25.8 Dark Down 24.3 122.9 Low 05:37:37 - 06:07:37 4888
Chiloquin 05:53:07 -18.5 Dark Down 12.2 110.8 Really Low 05:38:07 - 06:08:07 4886
Nikitin 05:52:37 -26.0 Dark Down 24.4 122.9 Low 05:37:37 - 06:07:37 4872
CU-SBO 05:52:37 -26.0 Dark Down 24.4 122.8 Low 05:37:37 - 06:07:37 4866
Klamath Falls 05:53:09 -18.8 Dark Down 12.4 110.8 Really Low 05:38:09 - 06:08:09 4858
Cedarville 05:53:08 -20.1 Dark Down 13.8 111.8 Really Low 05:38:08 - 06:08:08 4818
Fall River/Burney 05:53:12 -20.0 Dark Down 13.1 110.8 Really Low 05:38:12 - 06:08:12 4762
Gimple 05:53:13 -21.0 Dark Down 13.8 111.0 Really Low 05:38:13 - 06:08:13 4690
Greenville 05:53:14 -20.9 Dark Down 13.8 110.9 Really Low 05:38:14 - 06:08:14 4690
Quincy 05:53:14 -21.1 Dark Down 13.8 110.9 Really Low 05:38:14 - 06:08:14 4672
Portola 05:53:14 -21.4 Dark Down 14.2 111.2 Really Low 05:38:14 - 06:08:14 4667
Reno 05:53:14 -21.9 Dark Down 14.8 111.6 Really Low 05:38:14 - 06:08:14 4651
Carson City 05:53:14 -22.2 Dark Down 14.9 111.5 Really Low 05:38:14 - 06:08:14 4620
Yerington 05:53:14 -22.6 Dark Down 15.5 111.9 Really Low 05:38:14 - 06:08:14 4611
Gardnerville 05:53:15 -22.5 Dark Down 15.1 111.5 Really Low 05:38:15 - 06:08:15 4599
Hawthorne 05:53:14 -23.3 Dark Down 16.0 112.2 Really Low 05:38:14 - 06:08:14 4576
Lee Vining 05:53:17 -23.6 Dark Down 15.9 111.7 Really Low 05:38:17 - 06:08:17 4521
Bishop 05:53:17 -24.4 Dark Down 16.6 112.0 Really Low 05:38:17 - 06:08:17 4476
Beatty 05:53:15 -25.4 Dark Down 18.0 113.0 Really Low 05:38:15 - 06:08:15 4455
Patrick 05:53:12 -27.8 Dark Down 20.7 114.6 Low 05:38:12 - 06:08:12 4357
Laughlin/Bullhead City 05:53:14 -27.8 Dark Down 20.3 114.0 Low 05:38:14 - 06:08:14 4325
Lake Havasu City 05:53:15 -28.5 Dark Down 20.8 114.0 Low 05:38:15 - 06:08:15 4267
George/Scottsdale 05:53:11 -30.0 Dark Down 23.0 115.4 Low 05:38:11 - 06:08:11 4227
Wildwood 05:53:26 -27.1 Dark Down 17.7 111.0 Really Low 05:38:26 - 06:08:26 4175
Idyllwild 05:53:23 -28.2 Dark Down 19.3 112.1 Really Low 05:38:23 - 06:08:23 4166
Calipatria 05:53:21 -29.2 Dark Down 20.4 112.7 Low 05:38:21 - 06:08:21 4124
Yuma 05:53:21 -29.9 Dark Down 21.3 113.1 Low 05:38:21 - 06:08:21 4095

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 523718, (2029/06/01 05:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 39.63  59
Nunki          18:55:15.9 -26:17:49  2.0 19.88  27
Eta Sct        18:57:03.8 -05:50:48  4.8  1.12  27
PPM 202291     18:54:28.0 -05:57:27  7.8  0.56  28
PPM 202269     18:53:22.8 -06:33:43  8.6  0.15  28
523718         18:53:10.7 -06:25:17 16.9        28
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:00:29 UT

Marc W. Buie, Southwest Research Institute

RECON