RECON: TNO occultation with 523715

Event between (523715) 14KU101 and star GA0680:06951956 with event index number of 2778150

Geocentric closest approach at 2029/06/04 06:53:00 UTC

J2000 position of star is 16:08:19.0 -21:13:53
Equinox of date position of star is 16:09:45.6 -21:17:42
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon. Moon is 48% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 37.9 AU from the Sun and 36.9 AU from the Earth.
Apparent velocity is 24.1 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 125 seconds.
The 1-sigma cross-track error in the shadow position is 1584 km.
The sky-plane scale is 26797.2 km/arcsec.

The object has an absolute magnitude Hv=6.2
Diameter=332.7 km assuming a 5% albedo -- 14.1 sec chord
Diameter=135.8 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 523715, (2029/06/04 06:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.0 -26:29:41  0.9  7.09  97
8Bet1Sco       16:07:09.2 -19:53:01  2.6  1.58 103
9Ome1Sco       16:08:32.0 -20:44:48  4.1  0.66 103
PPM 265153     16:09:28.8 -21:29:19  8.2  0.22 102
523715         16:10:03.1 -21:18:27 15.9       102
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 5.0 sigma about the mid-time.
The median site spacing is 13.7 km RECON observability=0.8 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:53:18 -15.4 AT Down 16.3 188.1 Really Low 06:42:23 - 07:04:14 11302
Kamloops 06:53:58 -15.4 AT Down 17.9 174.2 Really Low 06:43:02 - 07:04:53 11099
Kelowna 06:53:55 -16.4 AT Down 18.8 175.0 Really Low 06:43:00 - 07:04:51 11082
Peachland 06:53:56 -16.4 AT Down 18.9 174.7 Really Low 06:43:01 - 07:04:52 11074
Summerland 06:53:56 -16.6 AT Down 19.0 174.8 Really Low 06:43:01 - 07:04:52 11069
Penticton 06:53:56 -16.7 AT Down 19.1 174.9 Really Low 06:43:01 - 07:04:52 11068
Oliver 06:53:56 -17.0 AT Down 19.4 174.9 Really Low 06:43:01 - 07:04:52 11055
Anarchist Mountain Observatory 06:53:56 -17.2 AT Down 19.6 175.1 Really Low 06:43:00 - 07:04:51 11052
Okanogan 06:53:56 -17.8 AT Down 20.2 174.9 Low 06:43:01 - 07:04:52 11023
Brewster 06:53:56 -18.0 Dark Down 20.5 174.6 Low 06:43:01 - 07:04:52 11009
Manson/Chelan 06:53:58 -18.1 Dark Down 20.7 174.3 Low 06:43:03 - 07:04:54 10995
Wenatchee 06:53:58 -18.6 Dark Down 21.2 174.1 Low 06:43:03 - 07:04:54 10973
Victoria 06:54:06 -16.9 AT Down 19.8 171.1 Really Low 06:43:11 - 07:05:02 10971
Ellensburg 06:54:00 -18.9 Dark Down 21.5 173.9 Low 06:43:04 - 07:04:55 10953
Yakima 06:54:00 -19.3 Dark Down 22.0 173.8 Low 06:43:04 - 07:04:55 10935
PNWRO 06:53:54 -20.2 Dark Down 22.6 175.5 Low 06:42:59 - 07:04:50 10935
Toppenish/White Swan 06:53:59 -19.6 Dark Down 22.2 174.0 Low 06:43:03 - 07:04:54 10928
The Dalles 06:54:01 -20.1 Dark Down 22.9 173.2 Low 06:43:05 - 07:04:56 10882
Maupin 06:54:01 -20.6 Dark Down 23.3 173.2 Low 06:43:05 - 07:04:56 10865
Dunrhomin 06:53:07 -27.3 Dark Down 27.9 189.5 Low 06:42:11 - 07:04:02 10831
Nikitin 06:53:07 -27.4 Dark Down 28.1 189.5 Low 06:42:12 - 07:04:03 10822
CU-SBO 06:53:07 -27.5 Dark Down 28.2 189.5 Low 06:42:12 - 07:04:03 10818
Sisters 06:54:03 -21.3 Dark Down 24.1 172.7 Low 06:43:08 - 07:04:59 10816
Bend 06:54:02 -21.6 Dark Down 24.4 173.0 Low 06:43:06 - 07:04:57 10809
Oregon Observatory 06:54:02 -21.7 Dark Down 24.6 172.8 Low 06:43:06 - 07:04:57 10799
Chiloquin 06:54:04 -22.9 Dark Down 25.8 172.3 Low 06:43:08 - 07:04:59 10728
Klamath Falls 06:54:03 -23.2 Dark Down 26.2 172.4 Low 06:43:07 - 07:04:58 10712
Cedarville 06:53:58 -24.2 Dark Down 27.0 174.0 Low 06:43:02 - 07:04:53 10703
Fall River/Burney 06:54:02 -24.4 Dark Down 27.4 172.7 Low 06:43:07 - 07:04:58 10657
Gimple 06:54:01 -25.4 Dark Down 28.3 173.2 Low 06:43:06 - 07:04:57 10618
Greenville 06:54:00 -25.4 Dark Down 28.3 173.1 Low 06:43:05 - 07:04:56 10617
Portola 06:53:59 -25.8 Dark Down 28.7 173.6 Low 06:43:04 - 07:04:55 10607
Quincy 06:54:00 -25.6 Dark Down 28.5 173.1 Low 06:43:05 - 07:04:56 10606
Reno 06:53:57 -26.2 Dark Down 29.0 174.2 Low 06:43:01 - 07:04:52 10604
Carson City 06:53:56 -26.6 Dark Down 29.4 174.2 Low 06:43:01 - 07:04:52 10585
Yerington 06:53:55 -26.9 Dark Down 29.6 174.9 Low 06:42:59 - 07:04:50 10584
Gardnerville 06:53:57 -26.8 Dark Down 29.6 174.3 Low 06:43:01 - 07:04:52 10572
Hawthorne 06:53:52 -27.5 Dark Down 30.1 175.4 Up 06:42:57 - 07:04:48 10567
Lee Vining 06:53:54 -27.9 Dark Down 30.6 174.9 Up 06:42:59 - 07:04:50 10528
Bishop 06:53:51 -28.6 Dark Down 31.3 175.6 Up 06:42:56 - 07:04:47 10505
Beatty 06:53:45 -29.4 Dark Down 31.8 177.4 Up 06:42:50 - 07:04:41 10504
Patrick 06:53:36 -31.3 Dark Down 33.4 180.5 Up 06:42:40 - 07:04:31 10460
Laughlin/Bullhead City 06:53:37 -31.5 Dark Down 33.6 179.7 Up 06:42:42 - 07:04:33 10434
Lake Havasu City 06:53:36 -32.2 Dark Down 34.3 180.0 Up 06:42:40 - 07:04:31 10397
George/Scottsdale 06:53:26 -33.3 Dark Down 35.0 182.8 Up 06:42:31 - 07:04:22 10384
Idyllwild 06:53:44 -32.5 Dark Down 35.0 177.3 Up 06:42:49 - 07:04:40 10313
Wildwood 06:53:52 -31.7 Dark Down 34.5 175.2 Up 06:42:56 - 07:04:47 10303
Calipatria 06:53:40 -33.3 Dark Down 35.6 178.6 Up 06:42:45 - 07:04:36 10292
Yuma 06:53:37 -33.9 Dark Down 36.1 179.7 Up 06:42:41 - 07:04:32 10279

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 523715, (2029/06/04 06:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.09  97
8Bet1Sco       16:05:26.2 -19:48:20  2.6  1.58 103
9Ome1Sco       16:06:48.4 -20:40:10  4.1  0.66 103
PPM 265153     16:07:44.6 -21:24:44  8.2  0.22 102
523715         16:08:19.0 -21:13:53 15.9       102
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:00:35 UT

Marc W. Buie, Southwest Research Institute

RECON