RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:35838958 with event index number of 2741681

Geocentric closest approach at 2029/04/17 10:19:12 UTC

J2000 position of star is 18:07:22.9 -31:00:30
Equinox of date position of star is 18:08:57.9 -31:00:13
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon. Moon is 11% illuminated.
Apparent brightness V=20.9

[RECON map]
Object is 13.0 AU from the Sun and 12.5 AU from the Earth.
Apparent velocity is 2.8 km/sec on the sky relative to the star, or, 1.1 arcsec/hr.
The 1-sigma error in the time of the event is 904 seconds.
The 1-sigma cross-track error in the shadow position is 2513 km.
The sky-plane scale is 9058.7 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 27.2 sec chord
Diameter=30.8 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/04/17 10:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.5 -26:29:40  0.9 21.91 176
Kap Sco        17:44:31.0 -39:02:31  2.4  9.50 156
PPM 297335     18:11:59.1 -30:43:15  5.2  0.65 154
PPM 297286     18:09:56.4 -30:59:41  8.0  0.14 154
543377         18:09:16.5 -31:00:09 16.8       154
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 0.0 km RECON observability=0.1 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)
Victoria 10:09:05 -25.5 Dark Down 3.8 148.7 Really Low 09:54:05 - 10:24:05 6383
Chiloquin 10:10:33 -29.7 Dark Down 9.6 149.9 Really Low 09:55:33 - 10:25:33 6375
Klamath Falls 10:10:42 -30.0 Dark Down 10.0 150.0 Really Low 09:55:42 - 10:25:42 6372
Sisters 10:10:01 -28.3 Dark Down 8.2 150.1 Really Low 09:55:01 - 10:25:01 6369
Oregon Observatory 10:10:00 -28.6 Dark Down 8.6 150.2 Really Low 09:55:00 - 10:25:00 6366
Bend 10:09:55 -28.4 Dark Down 8.5 150.3 Really Low 09:54:55 - 10:24:55 6363
Fall River/Burney 10:10:51 -30.7 Dark Down 11.1 150.2 Really Low 09:55:51 - 10:25:51 6358
The Dalles 10:09:20 -27.1 Dark Down 7.1 150.4 Really Low 09:54:20 - 10:24:20 6356
Maupin 10:09:26 -27.4 Dark Down 7.5 150.5 Really Low 09:54:26 - 10:24:26 6355
Greenville 10:11:08 -31.2 Dark Down 12.1 150.5 Really Low 09:56:08 - 10:26:08 6341
Quincy 10:11:11 -31.4 Dark Down 12.3 150.5 Really Low 09:56:11 - 10:26:11 6340
Gimple 10:11:01 -31.2 Dark Down 12.1 150.5 Really Low 09:56:01 - 10:26:01 6339
Yakima 10:08:52 -26.1 Dark Down 6.4 150.9 Really Low 09:53:52 - 10:23:52 6338
Ellensburg 10:08:42 -25.8 Dark Down 6.1 150.9 Really Low 09:53:42 - 10:23:42 6335
Toppenish/White Swan 10:08:52 -26.2 Dark Down 6.7 151.0 Really Low 09:53:52 - 10:23:52 6335
Cedarville 10:10:29 -29.8 Dark Down 11.1 151.1 Really Low 09:55:29 - 10:25:29 6330
Wenatchee 10:08:33 -25.4 Dark Down 5.8 151.0 Really Low 09:53:33 - 10:23:33 6327
Portola 10:11:05 -31.3 Dark Down 12.6 150.8 Really Low 09:56:05 - 10:26:05 6327
Manson/Chelan 10:08:21 -24.9 Dark Down 5.4 151.2 Really Low 09:53:21 - 10:23:21 6320
Brewster 10:08:09 -24.6 Dark Down 5.3 151.4 Really Low 09:53:09 - 10:23:09 6310
Reno 10:10:58 -31.2 Dark Down 13.0 151.3 Really Low 09:55:58 - 10:25:58 6308
Carson City 10:11:01 -31.4 Dark Down 13.4 151.3 Really Low 09:56:01 - 10:26:01 6304
Okanogan 10:08:02 -24.4 Dark Down 5.1 151.6 Really Low 09:53:02 - 10:23:02 6304
PNWRO 10:08:30 -25.9 Dark Down 7.5 152.1 Really Low 09:53:30 - 10:23:30 6301
Gardnerville 10:11:12 -31.6 Dark Down 13.6 151.3 Really Low 09:56:12 - 10:26:12 6301
Kamloops 10:07:34 -22.8 Dark Down 2.8 150.9 Really Low 09:52:34 - 10:22:34 6297
Oliver 10:07:47 -23.7 Dark Down 4.4 151.6 Really Low 09:52:47 - 10:22:47 6296
Peachland 10:07:38 -23.3 Dark Down 3.8 151.4 Really Low 09:52:38 - 10:22:38 6295
Summerland 10:07:37 -23.4 Dark Down 4.0 151.5 Really Low 09:52:37 - 10:22:37 6294
Anarchist Mountain Observatory 10:07:43 -23.8 Dark Down 4.6 151.7 Really Low 09:52:43 - 10:22:43 6294
Penticton 10:07:40 -23.4 Dark Down 4.1 151.6 Really Low 09:52:40 - 10:22:40 6293
Kelowna 10:07:33 -23.1 Dark Down 3.8 151.6 Really Low 09:52:33 - 10:22:33 6287
Yerington 10:10:54 -31.3 Dark Down 13.8 151.7 Really Low 09:55:54 - 10:25:54 6285
Lee Vining 10:11:10 -32.0 Dark Down 14.7 151.7 Really Low 09:56:10 - 10:26:10 6273
Hawthorne 10:10:47 -31.4 Dark Down 14.4 152.1 Really Low 09:55:47 - 10:25:47 6266
Bishop 10:11:05 -32.1 Dark Down 15.5 152.2 Really Low 09:56:05 - 10:26:05 6245
Wildwood 10:12:18 -34.5 Dark Down 18.4 151.8 Really Low 09:57:18 - 10:27:18 6196
Beatty 10:10:44 -31.6 Dark Down 16.5 153.4 Really Low 09:55:44 - 10:25:44 6190
Idyllwild 10:11:47 -33.8 Dark Down 19.4 153.2 Really Low 09:56:47 - 10:26:47 6133
Laughlin/Bullhead City 10:10:29 -31.7 Dark Down 18.8 154.9 Really Low 09:55:29 - 10:25:29 6092
Calipatria 10:11:31 -33.5 Dark Down 20.4 154.0 Low 09:56:31 - 10:26:31 6080
Patrick 10:10:08 -31.1 Dark Down 18.8 155.4 Really Low 09:55:08 - 10:25:08 6074
Lake Havasu City 10:10:33 -32.0 Dark Down 19.5 155.0 Really Low 09:55:33 - 10:25:33 6070
Yuma 10:11:16 -33.3 Dark Down 21.1 154.6 Low 09:56:16 - 10:26:16 6041
George/Scottsdale 10:09:52 -31.1 Dark Down 21.0 156.8 Low 09:54:52 - 10:24:52 5969
Sleaford 10:02:58 -16.4 AT Down 4.9 161.9 Really Low 09:47:58 - 10:17:58 5914
CU-SBO 10:05:48 -23.7 Dark Down 16.6 162.3 Really Low 09:50:48 - 10:20:48 5847
Dunrhomin 10:05:36 -23.5 Dark Down 16.4 162.4 Really Low 09:50:36 - 10:20:36 5847
Nikitin 10:05:41 -23.6 Dark Down 16.6 162.4 Really Low 09:50:41 - 10:20:41 5845

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, (2029/04/17 10:00UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.91 176
Kap Sco        17:42:29.3 -39:01:49  2.4  9.50 156
PPM 297335     18:10:05.8 -30:43:43  5.2  0.65 154
PPM 297286     18:08:02.8 -31:00:04  8.0  0.14 154
543377         18:07:22.9 -31:00:30 16.8       154
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:34:39 UT

Marc W. Buie, Southwest Research Institute

RECON