RECON: TNO occultation with 523717

Event between (523717) 14KY101 and star GA0660:28782489 with event index number of 2784933

Geocentric closest approach at 2029/06/02 10:40:36 UTC

J2000 position of star is 18:11:32.5 -22:41:03
Equinox of date position of star is 18:13:01.5 -22:40:37
Stellar brightness G=16.3, 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 66% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 37.0 AU from the Sun and 36.1 AU from the Earth.
Apparent velocity is 22.5 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 790 seconds.
The 1-sigma cross-track error in the shadow position is 3689 km.
The sky-plane scale is 26162.8 km/arcsec.

The object has an absolute magnitude Hv=6.5
Diameter=316.2 km assuming a 5% albedo -- 13.5 sec chord
Diameter=129.1 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 523717, (2029/06/02 10:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.0 -26:29:40  0.9 23.48  75
Nunki          18:57:05.2 -26:15:26  2.0 10.58  42
11 Sgr         18:13:31.1 -23:41:33  4.5  1.02  51
PPM 268070     18:15:06.8 -22:49:25  8.5  0.44  51
PPM 267998     18:12:40.0 -22:53:34  9.4  0.27  51
523717         18:13:19.4 -22:40:31 16.3        51
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 1.1 sigma about the mid-time.
The median site spacing is 19.8 km RECON observability=0.5 and success probability=1.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:39:28 -9.0 NT Up 15.0 197.0 Really Low 10:24:28 - 10:54:28 8684
Kelowna 10:39:25 -9.3 NT Up 15.6 197.9 Really Low 10:24:25 - 10:54:25 8644
Peachland 10:39:26 -9.5 NT Up 15.7 197.6 Really Low 10:24:26 - 10:54:26 8644
Victoria 10:39:36 -11.9 NT Up 17.6 194.3 Really Low 10:24:36 - 10:54:36 8639
Summerland 10:39:25 -9.6 NT Up 15.9 197.7 Really Low 10:24:25 - 10:54:25 8637
Penticton 10:39:25 -9.6 NT Up 15.9 197.8 Really Low 10:24:25 - 10:54:25 8633
Oliver 10:39:25 -9.9 NT Up 16.2 197.8 Really Low 10:24:25 - 10:54:25 8620
Anarchist Mountain Observatory 10:39:24 -9.9 NT Up 16.4 198.0 Really Low 10:24:24 - 10:54:24 8612
Okanogan 10:39:24 -10.5 NT Up 17.0 197.9 Really Low 10:24:24 - 10:54:24 8589
Brewster 10:39:24 -10.8 NT Up 17.3 197.7 Really Low 10:24:24 - 10:54:24 8581
Manson/Chelan 10:39:25 -11.1 NT Up 17.6 197.4 Really Low 10:24:25 - 10:54:25 8577
Wenatchee 10:39:25 -11.6 NT Up 18.1 197.3 Really Low 10:24:25 - 10:54:25 8560
Ellensburg 10:39:25 -12.0 AT Up 18.5 197.1 Really Low 10:24:25 - 10:54:25 8546
Yakima 10:39:25 -12.3 AT Up 18.9 197.1 Really Low 10:24:25 - 10:54:25 8529
Sleaford 10:38:51 -1.9 CT Up 10.1 209.9 Really Low 10:23:51 - 10:53:51 8527
Toppenish/White Swan 10:39:24 -12.4 AT Up 19.1 197.3 Really Low 10:24:24 - 10:54:24 8518
The Dalles 10:39:26 -13.4 AT Up 20.0 196.7 Really Low 10:24:26 - 10:54:26 8495
PNWRO 10:39:19 -12.1 AT Up 19.1 198.8 Really Low 10:24:19 - 10:54:19 8483
Maupin 10:39:25 -13.7 AT Up 20.4 196.8 Low 10:24:25 - 10:54:25 8475
Sisters 10:39:26 -14.6 AT Up 21.3 196.4 Low 10:24:26 - 10:54:26 8442
Bend 10:39:25 -14.7 AT Up 21.5 196.7 Low 10:24:25 - 10:54:25 8428
Oregon Observatory 10:39:26 -14.9 AT Up 21.7 196.6 Low 10:24:26 - 10:54:26 8422
Chiloquin 10:39:26 -16.1 AT Up 23.0 196.3 Low 10:24:26 - 10:54:26 8364
Klamath Falls 10:39:25 -16.3 AT Up 23.3 196.5 Low 10:24:25 - 10:54:25 8347
Cedarville 10:39:19 -16.2 AT Up 23.7 198.1 Low 10:24:19 - 10:54:19 8291
Fall River/Burney 10:39:23 -17.1 AT Up 24.4 197.0 Low 10:24:23 - 10:54:23 8282
Greenville 10:39:21 -17.6 AT Up 25.2 197.5 Low 10:24:21 - 10:54:21 8229
Gimple 10:39:20 -17.6 AT Up 25.1 197.6 Low 10:24:20 - 10:54:20 8228
Quincy 10:39:20 -17.8 AT Up 25.4 197.6 Low 10:24:20 - 10:54:20 8218
Portola 10:39:19 -17.7 AT Up 25.4 198.0 Low 10:24:19 - 10:54:19 8205
Reno 10:39:17 -17.6 AT Up 25.5 198.7 Low 10:24:17 - 10:54:17 8182
Carson City 10:39:16 -17.8 AT Up 25.8 198.8 Low 10:24:16 - 10:54:16 8162
Gardnerville 10:39:15 -18.0 AT Up 26.0 198.9 Low 10:24:15 - 10:54:15 8148
Yerington 10:39:13 -17.7 AT Up 25.8 199.4 Low 10:24:13 - 10:54:13 8142
Hawthorne 10:39:11 -17.8 AT Up 26.1 200.0 Low 10:24:11 - 10:54:11 8108
Lee Vining 10:39:13 -18.4 Dark Up 26.8 199.6 Low 10:24:13 - 10:54:13 8084
Bishop 10:39:09 -18.5 Dark Up 27.2 200.5 Low 10:24:09 - 10:54:09 8038
Beatty 10:39:03 -18.0 Dark Up 27.1 202.1 Low 10:24:03 - 10:54:03 7985
Dunrhomin 10:38:29 -9.3 NT Up 20.1 212.1 Low 10:23:29 - 10:53:29 7959
Nikitin 10:38:28 -9.4 NT Up 20.2 212.1 Low 10:23:28 - 10:53:28 7950
CU-SBO 10:38:29 -9.5 NT Up 20.3 212.1 Low 10:23:29 - 10:53:29 7948
Patrick 10:38:52 -17.5 AT Up 27.6 205.2 Low 10:23:52 - 10:53:52 7844
Wildwood 10:39:08 -21.1 Dark Up 30.3 200.9 Up 10:24:08 - 10:54:08 7843
Laughlin/Bullhead City 10:38:54 -18.1 Dark Up 28.0 204.6 Low 10:23:54 - 10:53:54 7841
Lake Havasu City 10:38:52 -18.5 Dark Up 28.5 205.0 Low 10:23:52 - 10:53:52 7794
Idyllwild 10:39:01 -20.4 Dark Up 30.0 202.8 Up 10:24:01 - 10:54:01 7789
Calipatria 10:38:56 -20.1 Dark Up 30.2 204.1 Up 10:23:56 - 10:53:56 7728
George/Scottsdale 10:38:42 -17.6 AT Up 28.4 207.5 Low 10:23:42 - 10:53:42 7698
Yuma 10:38:52 -19.9 Dark Up 30.3 205.1 Up 10:23:52 - 10:53:52 7684

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 523717, (2029/06/02 10:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 23.48  75
Nunki          18:55:15.9 -26:17:49  2.0 10.58  42
11 Sgr         18:11:43.4 -23:42:05  4.5  1.02  51
PPM 268070     18:13:19.8 -22:50:02  8.5  0.44  51
PPM 267998     18:10:52.9 -22:54:05  9.4  0.27  51
523717         18:11:32.5 -22:41:03 16.3        51
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:00:31 UT

Marc W. Buie, Southwest Research Institute

RECON