RECON: TNO occultation with 523717

Event between (523717) 14KY101 and star GA0660:29102197 with event index number of 2762644

Geocentric closest approach at 2029/05/18 10:56:18 UTC

J2000 position of star is 18:12:46.8 -22:40:09
Equinox of date position of star is 18:14:15.7 -22:39:40
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 159 degrees from the moon. Moon is 22% 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 18.9 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 936 seconds.
The 1-sigma cross-track error in the shadow position is 4402 km.
The sky-plane scale is 26245.0 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 3:2E
 
 
 
 
 
 

Star training set for 523717, (2029/05/18 10:56UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.8 -26:29:40  0.9 23.76 135
Nunki          18:57:05.1 -26:15:27  2.0 10.32 167
14 Sgr         18:16:01.9 -21:42:09  5.4  1.02 159
PPM 268070     18:15:06.6 -22:49:25  8.5  0.21 159
PPM 268073     18:15:12.0 -22:42:27  8.9  0.16 159
523717         18:14:33.5 -22:39:34 15.6       159
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 1.0 sigma about the mid-time.
The median site spacing is 20.3 km RECON observability=0.5 and success probability=1.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 10:55:37 -9.5 NT Down 16.4 186.5 Really Low 10:40:37 - 11:10:37 10387
Kelowna 10:55:33 -9.8 NT Down 17.2 187.4 Really Low 10:40:33 - 11:10:33 10353
Peachland 10:55:34 -10.0 NT Down 17.3 187.1 Really Low 10:40:34 - 11:10:34 10351
Summerland 10:55:33 -10.0 NT Down 17.4 187.2 Really Low 10:40:33 - 11:10:33 10346
Penticton 10:55:33 -10.0 NT Down 17.5 187.3 Really Low 10:40:33 - 11:10:33 10342
Victoria 10:55:47 -12.5 AT Down 18.7 183.7 Really Low 10:40:47 - 11:10:47 10332
Oliver 10:55:33 -10.3 NT Down 17.8 187.3 Really Low 10:40:33 - 11:10:33 10330
Anarchist Mountain Observatory 10:55:32 -10.3 NT Down 18.0 187.5 Really Low 10:40:32 - 11:10:32 10323
Okanogan 10:55:33 -10.9 NT Down 18.6 187.3 Really Low 10:40:33 - 11:10:33 10301
Brewster 10:55:34 -11.2 NT Down 18.9 187.1 Really Low 10:40:34 - 11:10:34 10292
Sleaford 10:54:48 -2.0 CT Down 13.0 199.8 Really Low 10:39:48 - 11:09:48 10289
Manson/Chelan 10:55:35 -11.5 NT Down 19.2 186.8 Really Low 10:40:35 - 11:10:35 10287
Wenatchee 10:55:36 -12.0 NT Down 19.7 186.7 Really Low 10:40:36 - 11:10:36 10270
Ellensburg 10:55:35 -12.4 AT Down 20.1 186.5 Low 10:40:35 - 11:10:35 10256
Yakima 10:55:36 -12.7 AT Down 20.5 186.5 Low 10:40:36 - 11:10:36 10240
Toppenish/White Swan 10:55:35 -12.8 AT Down 20.7 186.6 Low 10:40:35 - 11:10:35 10230
The Dalles 10:55:38 -13.7 AT Down 21.5 185.9 Low 10:40:38 - 11:10:38 10203
PNWRO 10:55:29 -12.3 AT Down 20.9 188.1 Low 10:40:29 - 11:10:29 10203
Maupin 10:55:37 -14.0 AT Down 21.9 186.0 Low 10:40:37 - 11:10:37 10185
Sisters 10:55:39 -14.8 AT Down 22.8 185.6 Low 10:40:39 - 11:10:39 10151
Bend 10:55:39 -14.9 AT Down 23.1 185.8 Low 10:40:39 - 11:10:39 10139
Oregon Observatory 10:55:40 -15.1 AT Down 23.2 185.7 Low 10:40:40 - 11:10:40 10133
Chiloquin 10:55:40 -16.3 AT Down 24.6 185.3 Low 10:40:40 - 11:10:40 10075
Klamath Falls 10:55:39 -16.5 AT Down 24.9 185.4 Low 10:40:39 - 11:10:39 10058
Cedarville 10:55:33 -16.2 AT Down 25.5 187.1 Low 10:40:33 - 11:10:33 10013
Fall River/Burney 10:55:38 -17.2 AT Down 26.1 185.9 Low 10:40:38 - 11:10:38 9998
Greenville 10:55:36 -17.6 AT Down 26.9 186.4 Low 10:40:36 - 11:10:36 9949
Gimple 10:55:36 -17.6 AT Down 26.9 186.5 Low 10:40:36 - 11:10:36 9948
Quincy 10:55:36 -17.7 AT Down 27.1 186.4 Low 10:40:36 - 11:10:36 9938
Portola 10:55:34 -17.6 AT Down 27.2 186.9 Low 10:40:34 - 11:10:34 9928
Reno 10:55:31 -17.4 AT Down 27.4 187.6 Low 10:40:31 - 11:10:31 9909
Carson City 10:55:31 -17.7 AT Down 27.8 187.6 Low 10:40:31 - 11:10:31 9890
Gardnerville 10:55:31 -17.8 AT Down 28.0 187.7 Low 10:40:31 - 11:10:31 9876
Yerington 10:55:27 -17.5 AT Down 27.9 188.3 Low 10:40:27 - 11:10:27 9874
Hawthorne 10:55:25 -17.5 AT Down 28.3 188.9 Low 10:40:25 - 11:10:25 9844
Lee Vining 10:55:27 -18.2 Dark Down 28.9 188.4 Low 10:40:27 - 11:10:27 9818
Bishop 10:55:24 -18.2 Dark Down 29.4 189.2 Low 10:40:24 - 11:10:24 9777
Dunrhomin 10:54:29 -8.6 NT Down 23.9 201.9 Low 10:39:29 - 11:09:29 9764
Nikitin 10:54:29 -8.7 NT Down 24.1 201.9 Low 10:39:29 - 11:09:29 9754
CU-SBO 10:54:29 -8.8 NT Down 24.2 201.8 Low 10:39:29 - 11:09:29 9752
Beatty 10:55:16 -17.6 AT Down 29.6 190.9 Low 10:40:16 - 11:10:16 9734
Patrick 10:55:03 -16.9 AT Down 30.6 194.1 Up 10:40:03 - 11:10:03 9613
Laughlin/Bullhead City 10:55:06 -17.5 AT Down 31.0 193.4 Up 10:40:06 - 11:10:06 9607
Wildwood 10:55:23 -20.6 Dark Down 32.7 189.3 Up 10:40:23 - 11:10:23 9586
Lake Havasu City 10:55:04 -17.7 AT Down 31.6 193.7 Up 10:40:04 - 11:10:04 9563
Idyllwild 10:55:15 -19.7 Dark Down 32.7 191.3 Up 10:40:15 - 11:10:15 9545
Calipatria 10:55:09 -19.4 Dark Down 33.1 192.7 Up 10:40:09 - 11:10:09 9492
George/Scottsdale 10:54:52 -16.7 AT Down 31.8 196.4 Up 10:39:52 - 11:09:52 9482
Yuma 10:55:05 -19.1 Dark Down 33.4 193.7 Up 10:40:05 - 11:10:05 9453

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, (2029/05/18 10:56UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 23.76 135
Nunki          18:55:15.9 -26:17:49  2.0 10.32 167
14 Sgr         18:14:15.9 -21:42:48  5.4  1.02 159
PPM 268070     18:13:19.8 -22:50:02  8.5  0.21 159
PPM 268073     18:13:25.3 -22:43:04  8.9  0.16 159
523717         18:12:46.8 -22:40:09 15.6       159
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:35:27 UT

Marc W. Buie, Southwest Research Institute

RECON