RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:28846609 with event index number of 2801234

Geocentric closest approach at 2029/07/02 06:23:10 UTC

J2000 position of star is 17:54:00.0 -30:59:56
Equinox of date position of star is 17:55:34.9 -31:00:07
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 86 degrees from the moon. Moon is 64% 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 18.4 km/sec on the sky relative to the star, or, 7.5 arcsec/hr.
The 1-sigma error in the time of the event is 186 seconds.
The 1-sigma cross-track error in the shadow position is 541 km.
The sky-plane scale is 8792.6 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 4.2 sec chord
Diameter=30.8 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/07/02 06:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.3 -26:29:41  0.9 19.07 105
34Ups Sco      17:32:46.4 -37:18:58  2.7  7.92  92
PPM 296839     17:51:05.5 -31:42:37  4.9  1.25  87
PPM 296920     17:54:11.7 -31:19:58  7.0  0.49  87
PPM 296968     17:56:03.5 -30:52:17  8.9  0.13  86
543377         17:55:54.3 -31:00:09 16.9        86
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 4.8 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 06:23:52 -14.3 AT Up 6.9 181.8 Really Low 06:08:52 - 06:38:52 8010
Kamloops 06:24:44 -13.0 AT Down 7.6 169.6 Really Low 06:09:44 - 06:39:44 7802
Kelowna 06:24:41 -14.0 AT Down 8.5 170.3 Really Low 06:09:41 - 06:39:41 7800
Peachland 06:24:42 -14.0 AT Down 8.6 170.0 Really Low 06:09:42 - 06:39:42 7793
Penticton 06:24:41 -14.3 AT Down 8.8 170.2 Really Low 06:09:41 - 06:39:41 7792
Summerland 06:24:42 -14.2 AT Down 8.8 170.1 Really Low 06:09:42 - 06:39:42 7792
Anarchist Mountain Observatory 06:24:42 -14.8 AT Down 9.4 170.4 Really Low 06:09:42 - 06:39:42 7785
Oliver 06:24:42 -14.6 AT Down 9.2 170.2 Really Low 06:09:42 - 06:39:42 7784
Okanogan 06:24:43 -15.3 AT Down 10.0 170.2 Really Low 06:09:43 - 06:39:43 7765
Brewster 06:24:44 -15.5 AT Down 10.2 170.0 Really Low 06:09:44 - 06:39:44 7755
Manson/Chelan 06:24:45 -15.6 AT Down 10.4 169.7 Really Low 06:09:45 - 06:39:45 7744
Dunrhomin 06:23:44 -26.0 Dark Up 18.7 182.6 Really Low 06:08:44 - 06:38:44 7733
Wenatchee 06:24:46 -16.0 AT Down 10.8 169.5 Really Low 06:09:46 - 06:39:46 7728
Nikitin 06:23:45 -26.2 Dark Up 18.9 182.6 Really Low 06:08:45 - 06:38:45 7727
CU-SBO 06:23:45 -26.3 Dark Up 19.0 182.5 Really Low 06:08:45 - 06:38:45 7724
PNWRO 06:24:42 -17.7 AT Down 12.4 170.7 Really Low 06:09:42 - 06:39:42 7717
Ellensburg 06:24:47 -16.3 AT Down 11.2 169.3 Really Low 06:09:47 - 06:39:47 7714
Yakima 06:24:48 -16.7 AT Down 11.6 169.3 Really Low 06:09:48 - 06:39:48 7703
Toppenish/White Swan 06:24:48 -17.0 AT Down 11.9 169.4 Really Low 06:09:48 - 06:39:48 7700
Victoria 06:24:56 -14.2 AT Down 9.3 166.9 Really Low 06:09:56 - 06:39:56 7697
The Dalles 06:24:51 -17.4 AT Down 12.5 168.7 Really Low 06:09:51 - 06:39:51 7662
Maupin 06:24:51 -17.8 AT Down 12.9 168.8 Really Low 06:09:51 - 06:39:51 7652
Sisters 06:24:54 -18.5 Dark Down 13.7 168.3 Really Low 06:09:54 - 06:39:54 7616
Bend 06:24:52 -18.8 Dark Down 14.0 168.5 Really Low 06:09:52 - 06:39:52 7614
Oregon Observatory 06:24:53 -18.9 Dark Down 14.2 168.4 Really Low 06:09:53 - 06:39:53 7606
Chiloquin 06:24:56 -20.0 Dark Down 15.4 168.0 Really Low 06:09:56 - 06:39:56 7553
Cedarville 06:24:50 -21.4 Dark Down 16.6 169.4 Really Low 06:09:50 - 06:39:50 7551
Klamath Falls 06:24:55 -20.3 Dark Down 15.7 168.0 Really Low 06:09:55 - 06:39:55 7543
Fall River/Burney 06:24:55 -21.5 Dark Down 16.9 168.3 Really Low 06:09:55 - 06:39:55 7508
Gimple 06:24:53 -22.5 Dark Down 17.9 168.7 Really Low 06:09:53 - 06:39:53 7485
Reno 06:24:49 -23.3 Dark Down 18.6 169.6 Really Low 06:09:49 - 06:39:49 7484
Greenville 06:24:54 -22.4 Dark Down 17.9 168.6 Really Low 06:09:54 - 06:39:54 7483
Portola 06:24:51 -22.9 Dark Down 18.3 169.0 Really Low 06:09:51 - 06:39:51 7481
Quincy 06:24:54 -22.6 Dark Down 18.1 168.6 Really Low 06:09:54 - 06:39:54 7475
Yerington 06:24:46 -24.1 Dark Down 19.3 170.1 Really Low 06:09:46 - 06:39:46 7475
Carson City 06:24:49 -23.7 Dark Down 19.0 169.6 Really Low 06:09:49 - 06:39:49 7470
Hawthorne 06:24:44 -24.7 Dark Down 19.8 170.6 Really Low 06:09:44 - 06:39:44 7467
Gardnerville 06:24:50 -23.9 Dark Down 19.3 169.6 Really Low 06:09:50 - 06:39:50 7461
Beatty 06:24:36 -26.7 Dark Down 21.6 172.1 Low 06:09:36 - 06:39:36 7435
Lee Vining 06:24:47 -25.0 Dark Down 20.3 170.1 Low 06:09:47 - 06:39:47 7434
Bishop 06:24:43 -25.8 Dark Down 21.0 170.7 Low 06:09:43 - 06:39:43 7423
Patrick 06:24:23 -28.9 Dark Up 23.4 174.7 Low 06:09:23 - 06:39:23 7421
Laughlin/Bullhead City 06:24:26 -29.0 Dark Up 23.6 174.0 Low 06:09:26 - 06:39:26 7397
George/Scottsdale 06:24:13 -31.1 Dark Up 25.2 176.5 Low 06:09:13 - 06:39:13 7376
Lake Havasu City 06:24:26 -29.7 Dark Up 24.3 174.2 Low 06:09:26 - 06:39:26 7371
Idyllwild 06:24:37 -29.7 Dark Down 24.8 172.0 Low 06:09:37 - 06:39:37 7291
Calipatria 06:24:31 -30.6 Dark Up 25.5 173.1 Low 06:09:31 - 06:39:31 7282
Yuma 06:24:27 -31.3 Dark Up 26.0 173.9 Low 06:09:27 - 06:39:27 7278
Wildwood 06:24:46 -28.7 Dark Down 24.2 170.3 Low 06:09:46 - 06:39:46 7269

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, (2029/07/02 06:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.07 105
34Ups Sco      17:30:45.8 -37:17:46  2.7  7.92  92
PPM 296839     17:49:10.5 -31:42:12  4.9  1.25  87
PPM 296920     17:52:17.0 -31:19:41  7.0  0.49  87
PPM 296968     17:54:09.2 -30:52:04  8.9  0.13  86
543377         17:54:00.0 -30:59:56 16.9        86
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:04:26 UT

Marc W. Buie, Southwest Research Institute

RECON