RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:29816471 with event index number of 2801093

Geocentric closest approach at 2029/06/24 07:19:38 UTC

J2000 position of star is 17:55:52.7 -31:02:58
Equinox of date position of star is 17:57:27.7 -31:03:06
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 21 degrees from the moon. Moon is 96% illuminated.
Apparent brightness V=20.6

[RECON map]
Object is 13.1 AU from the Sun and 12.1 AU from the Earth.
Apparent velocity is 18.8 km/sec on the sky relative to the star, or, 7.7 arcsec/hr.
The 1-sigma error in the time of the event is 182 seconds.
The 1-sigma cross-track error in the shadow position is 495 km.
The sky-plane scale is 8768.1 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 4.1 sec chord
Diameter=30.8 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/06/24 07:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9 19.47   2
34Ups Sco      17:32:46.3 -37:18:58  2.7  8.12  19
PPM 297024     17:58:11.8 -32:28:37  6.5  1.43  21
PPM 297054     17:59:26.3 -31:00:58  8.4  0.36  21
PPM 297031     17:58:30.0 -31:07:12  9.4  0.17  21
543377         17:57:47.0 -31:03:07 16.9        21
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 4.9 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.2 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 07:19:46 -14.5 AT Up 6.6 186.7 Really Low 07:04:46 - 07:34:46 7865
Kamloops 07:20:37 -15.3 AT Up 8.1 174.4 Really Low 07:05:37 - 07:35:37 7742
Kelowna 07:20:35 -16.2 AT Up 8.9 175.2 Really Low 07:05:35 - 07:35:35 7737
Peachland 07:20:36 -16.3 AT Up 9.0 174.9 Really Low 07:05:36 - 07:35:36 7732
Summerland 07:20:35 -16.4 AT Up 9.2 175.0 Really Low 07:05:35 - 07:35:35 7730
Penticton 07:20:35 -16.5 AT Up 9.3 175.1 Really Low 07:05:35 - 07:35:35 7730
Oliver 07:20:35 -16.9 AT Up 9.6 175.1 Really Low 07:05:35 - 07:35:35 7723
Anarchist Mountain Observatory 07:20:35 -17.1 AT Up 9.8 175.3 Really Low 07:05:35 - 07:35:35 7723
Okanogan 07:20:35 -17.7 AT Up 10.4 175.1 Really Low 07:05:35 - 07:35:35 7706
Brewster 07:20:36 -17.9 AT Up 10.7 174.9 Really Low 07:05:36 - 07:35:36 7697
Manson/Chelan 07:20:38 -18.1 Dark Up 10.9 174.6 Really Low 07:05:38 - 07:35:38 7688
Wenatchee 07:20:39 -18.5 Dark Up 11.3 174.4 Really Low 07:05:39 - 07:35:39 7675
Ellensburg 07:20:40 -18.9 Dark Up 11.7 174.2 Really Low 07:05:40 - 07:35:40 7663
Victoria 07:20:50 -17.0 AT Up 10.0 171.8 Really Low 07:05:50 - 07:35:50 7660
PNWRO 07:20:33 -20.1 Dark Up 12.8 175.6 Really Low 07:05:33 - 07:35:33 7658
Yakima 07:20:40 -19.3 Dark Up 12.1 174.2 Really Low 07:05:40 - 07:35:40 7653
Toppenish/White Swan 07:20:39 -19.5 Dark Up 12.4 174.3 Really Low 07:05:39 - 07:35:39 7649
The Dalles 07:20:43 -20.2 Dark Up 13.1 173.6 Really Low 07:05:43 - 07:35:43 7619
Maupin 07:20:43 -20.6 Dark Up 13.5 173.7 Really Low 07:05:43 - 07:35:43 7609
Dunrhomin 07:19:35 -26.2 Dark Up 18.3 187.7 Really Low 07:04:35 - 07:34:35 7588
Nikitin 07:19:35 -26.4 Dark Up 18.4 187.7 Really Low 07:04:35 - 07:34:35 7581
CU-SBO 07:19:35 -26.5 Dark Up 18.5 187.6 Really Low 07:04:35 - 07:34:35 7579
Sisters 07:20:45 -21.4 Dark Up 14.3 173.3 Really Low 07:05:45 - 07:35:45 7577
Bend 07:20:44 -21.7 Dark Up 14.6 173.5 Really Low 07:05:44 - 07:35:44 7574
Oregon Observatory 07:20:45 -21.8 Dark Up 14.8 173.4 Really Low 07:05:45 - 07:35:45 7567
Chiloquin 07:20:46 -23.1 Dark Up 16.0 173.0 Really Low 07:05:46 - 07:35:46 7520
Klamath Falls 07:20:47 -23.4 Dark Up 16.4 173.0 Really Low 07:05:47 - 07:35:47 7510
Cedarville 07:20:40 -24.3 Dark Up 17.2 174.4 Really Low 07:05:40 - 07:35:40 7509
Fall River/Burney 07:20:45 -24.6 Dark Up 17.6 173.3 Really Low 07:05:45 - 07:35:45 7475
Gimple 07:20:44 -25.6 Dark Up 18.5 173.8 Really Low 07:05:44 - 07:35:44 7449
Greenville 07:20:44 -25.6 Dark Up 18.5 173.7 Really Low 07:05:44 - 07:35:44 7448
Portola 07:20:42 -26.0 Dark Up 18.9 174.1 Really Low 07:05:42 - 07:35:42 7443
Reno 07:20:39 -26.3 Dark Up 19.2 174.7 Really Low 07:05:39 - 07:35:39 7442
Quincy 07:20:44 -25.8 Dark Up 18.7 173.7 Really Low 07:05:44 - 07:35:44 7441
Yerington 07:20:36 -27.0 Dark Up 19.8 175.2 Really Low 07:05:36 - 07:35:36 7430
Carson City 07:20:39 -26.7 Dark Up 19.6 174.7 Really Low 07:05:39 - 07:35:39 7429
Gardnerville 07:20:38 -26.9 Dark Up 19.8 174.7 Really Low 07:05:38 - 07:35:38 7420
Hawthorne 07:20:34 -27.5 Dark Up 20.3 175.7 Low 07:05:34 - 07:35:34 7419
Lee Vining 07:20:36 -28.0 Dark Up 20.8 175.2 Low 07:05:36 - 07:35:36 7390
Beatty 07:20:25 -29.3 Dark Up 22.0 177.3 Low 07:05:25 - 07:35:25 7376
Bishop 07:20:33 -28.7 Dark Up 21.5 175.9 Low 07:05:33 - 07:35:33 7375
Patrick 07:20:12 -31.0 Dark Up 23.5 180.0 Low 07:05:12 - 07:35:12 7343
Laughlin/Bullhead City 07:20:15 -31.2 Dark Up 23.8 179.3 Low 07:05:15 - 07:35:15 7324
Lake Havasu City 07:20:14 -31.9 Dark Up 24.5 179.5 Low 07:05:14 - 07:35:14 7296
George/Scottsdale 07:20:02 -32.8 Dark Up 25.2 181.8 Low 07:05:02 - 07:35:02 7284
Idyllwild 07:20:25 -32.5 Dark Up 25.2 177.3 Low 07:05:25 - 07:35:25 7235
Wildwood 07:20:34 -31.9 Dark Up 24.7 175.6 Low 07:05:34 - 07:35:34 7227
Calipatria 07:20:20 -33.2 Dark Up 25.8 178.4 Low 07:05:20 - 07:35:20 7219
Yuma 07:20:15 -33.7 Dark Up 26.3 179.2 Low 07:05:15 - 07:35:15 7208

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 543377, (2029/06/24 07:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.47   2
34Ups Sco      17:30:45.8 -37:17:46  2.7  8.12  19
PPM 297024     17:56:16.1 -32:28:30  6.5  1.43  21
PPM 297054     17:57:32.0 -31:00:54  8.4  0.36  21
PPM 297031     17:56:35.6 -31:07:06  9.4  0.17  21
543377         17:55:52.7 -31:02:58 16.9        21
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:02:48 UT

Marc W. Buie, Southwest Research Institute

RECON