RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:35536423 with event index number of 2753311

Geocentric closest approach at 2029/04/28 11:42:37 UTC

J2000 position of star is 18:06:45.1 -31:03:31
Equinox of date position of star is 18:08:20.1 -31:03:15
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 52 degrees from the moon. Moon is 100% illuminated.
Apparent brightness V=20.9

[RECON map]
Object is 13.0 AU from the Sun and 12.4 AU from the Earth.
Apparent velocity is 7.1 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 488 seconds.
The 1-sigma cross-track error in the shadow position is 856 km.
The sky-plane scale is 8961.2 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 10.8 sec chord
Diameter=30.8 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/04/28 11:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.6 -26:29:40  0.9 21.79  31
Kap Sco        17:44:31.1 -39:02:31  2.4  9.39  48
10Gam2Sgr      18:07:41.6 -30:25:13  3.0  0.67  52
PPM 297286     18:09:56.5 -30:59:41  8.0  0.28  53
PPM 297240     18:08:02.7 -31:14:16  8.9  0.23  52
543377         18:08:38.9 -31:03:11 15.9        53
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 1.8 sigma about the mid-time.
The median site spacing is 54.7 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 11:40:10 -12.0 NT Up 10.4 177.1 Really Low 11:25:10 - 11:55:10 5961
Kamloops 11:39:41 -9.2 NT Up 8.3 179.7 Really Low 11:24:41 - 11:54:41 5956
Peachland 11:39:35 -9.4 NT Up 9.2 180.2 Really Low 11:24:35 - 11:54:35 5932
Kelowna 11:39:32 -9.2 NT Up 9.1 180.4 Really Low 11:24:32 - 11:54:32 5929
Summerland 11:39:34 -9.4 NT Up 9.3 180.2 Really Low 11:24:34 - 11:54:34 5928
Penticton 11:39:33 -9.4 NT Up 9.4 180.3 Really Low 11:24:33 - 11:54:33 5925
Oliver 11:39:34 -9.6 NT Up 9.8 180.3 Really Low 11:24:34 - 11:54:34 5919
Anarchist Mountain Observatory 11:39:32 -9.6 NT Up 9.9 180.5 Really Low 11:24:32 - 11:54:32 5913
Okanogan 11:39:32 -10.1 NT Up 10.6 180.3 Really Low 11:24:32 - 11:54:32 5903
Manson/Chelan 11:39:41 -10.7 NT Up 11.1 179.8 Really Low 11:24:41 - 11:54:41 5902
Brewster 11:39:37 -10.4 NT Up 10.8 180.1 Really Low 11:24:37 - 11:54:37 5901
Wenatchee 11:39:41 -11.1 NT Up 11.5 179.7 Really Low 11:24:41 - 11:54:41 5895
Ellensburg 11:39:43 -11.4 NT Up 11.9 179.5 Really Low 11:24:43 - 11:54:43 5889
Yakima 11:39:46 -11.7 NT Up 12.3 179.5 Really Low 11:24:46 - 11:54:46 5880
Toppenish/White Swan 11:39:44 -11.7 NT Up 12.6 179.6 Really Low 11:24:44 - 11:54:44 5873
The Dalles 11:39:52 -12.6 AT Up 13.3 179.0 Really Low 11:24:52 - 11:54:52 5866
Maupin 11:39:50 -12.8 AT Up 13.8 179.0 Really Low 11:24:50 - 11:54:50 5854
PNWRO 11:39:29 -11.1 NT Up 12.9 180.9 Really Low 11:24:29 - 11:54:29 5840
Sisters 11:39:58 -13.6 AT Up 14.6 178.6 Really Low 11:24:58 - 11:54:58 5839
Bend 11:39:55 -13.5 AT Up 14.9 178.9 Really Low 11:24:55 - 11:54:55 5829
Oregon Observatory 11:39:56 -13.7 AT Up 15.0 178.7 Really Low 11:24:56 - 11:54:56 5826
Chiloquin 11:40:03 -14.7 AT Up 16.4 178.4 Really Low 11:25:03 - 11:55:03 5795
Klamath Falls 11:40:03 -14.9 AT Up 16.7 178.5 Really Low 11:25:03 - 11:55:03 5783
Fall River/Burney 11:40:00 -15.3 AT Up 17.9 178.8 Really Low 11:25:00 - 11:55:00 5739
Cedarville 11:39:45 -14.3 AT Up 17.4 179.8 Really Low 11:24:45 - 11:54:45 5735
Sleaford 11:37:32 -1.0 CT Down 6.0 191.6 Really Low 11:22:32 - 11:52:32 5718
Greenville 11:39:57 -15.6 AT Up 18.8 179.2 Really Low 11:24:57 - 11:54:57 5701
Gimple 11:39:55 -15.5 AT Up 18.8 179.2 Really Low 11:24:55 - 11:54:55 5700
Quincy 11:39:56 -15.7 AT Up 19.0 179.2 Really Low 11:24:56 - 11:54:56 5694
Portola 11:39:51 -15.5 AT Up 19.1 179.6 Really Low 11:24:51 - 11:54:51 5682
Reno 11:39:45 -15.2 AT Up 19.4 180.1 Really Low 11:24:45 - 11:54:45 5661
Carson City 11:39:45 -15.4 AT Up 19.8 180.2 Really Low 11:24:45 - 11:54:45 5648
Gardnerville 11:39:45 -15.5 AT Up 20.0 180.2 Really Low 11:24:45 - 11:54:45 5638
Yerington 11:39:38 -15.1 AT Up 19.9 180.7 Really Low 11:24:38 - 11:54:38 5629
Hawthorne 11:39:32 -15.1 AT Up 20.4 181.2 Low 11:24:32 - 11:54:32 5602
Lee Vining 11:39:38 -15.7 AT Up 21.0 180.8 Low 11:24:38 - 11:54:38 5590
Bishop 11:39:32 -15.5 AT Up 21.6 181.4 Low 11:24:32 - 11:54:32 5552
Beatty 11:39:13 -14.7 AT Up 22.0 182.9 Low 11:24:13 - 11:54:13 5500
Wildwood 11:39:38 -17.4 AT Up 24.8 181.3 Low 11:24:38 - 11:54:38 5414
Laughlin/Bullhead City 11:38:50 -14.1 AT Up 23.6 184.8 Low 11:23:50 - 11:53:50 5377
Patrick 11:38:41 -13.5 AT Up 23.3 185.5 Low 11:23:41 - 11:53:41 5373
Idyllwild 11:39:15 -16.3 AT Up 25.1 183.0 Low 11:24:15 - 11:54:15 5360
Dunrhomin 11:37:08 -5.5 CT Up 17.5 192.7 Really Low 11:22:08 - 11:52:08 5358
Nikitin 11:37:07 -5.6 CT Up 17.7 192.7 Really Low 11:22:07 - 11:52:07 5352
CU-SBO 11:37:08 -5.7 CT Up 17.8 192.6 Really Low 11:22:08 - 11:52:08 5351
Lake Havasu City 11:38:47 -14.3 AT Up 24.2 185.1 Low 11:23:47 - 11:53:47 5341
Calipatria 11:39:02 -15.8 AT Up 25.7 184.1 Low 11:24:02 - 11:54:02 5303
Yuma 11:38:52 -15.4 AT Up 26.1 184.9 Low 11:23:52 - 11:53:52 5262
George/Scottsdale 11:38:19 -12.9 AT Up 24.8 187.3 Low 11:23:19 - 11:53:19 5246

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, (2029/04/28 11:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.79  31
Kap Sco        17:42:29.3 -39:01:49  2.4  9.39  48
10Gam2Sgr      18:05:48.4 -30:25:31  3.0  0.67  52
PPM 297286     18:08:02.8 -31:00:04  8.0  0.28  53
PPM 297240     18:06:08.8 -31:14:34  8.9  0.23  52
543377         18:06:45.1 -31:03:31 15.9        52
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:34:55 UT

Marc W. Buie, Southwest Research Institute

RECON