RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:35003065 with event index number of 2753367

Geocentric closest approach at 2029/05/08 10:37:49 UTC

J2000 position of star is 18:05:38.3 -31:05:40
Equinox of date position of star is 18:07:13.3 -31:05:27
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 82 degrees from the moon. Moon is 22% illuminated.
Apparent brightness V=20.8

[RECON map]
Object is 13.0 AU from the Sun and 12.3 AU from the Earth.
Apparent velocity is 10.8 km/sec on the sky relative to the star, or, 4.4 arcsec/hr.
The 1-sigma error in the time of the event is 326 seconds.
The 1-sigma cross-track error in the shadow position is 485 km.
The sky-plane scale is 8886.2 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 7.1 sec chord
Diameter=30.8 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/05/08 10:32UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.7 -26:29:40  0.9 21.55 102
Kap Sco        17:44:31.2 -39:02:31  2.4  9.24  87
10Gam2Sgr      18:07:41.7 -30:25:13  3.0  0.67  81
PPM 297232     18:07:48.4 -30:39:21  8.4  0.44  81
PPM 297216     18:07:12.5 -31:02:56  8.9  0.08  82
543377         18:07:32.2 -31:05:23 16.3        81
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 2.8 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)
Kamloops 10:37:29 -13.6 AT Up 8.1 174.9 Really Low 10:22:29 - 10:52:29 4658
Kelowna 10:37:24 -13.9 AT Up 8.9 175.7 Really Low 10:22:24 - 10:52:24 4641
Peachland 10:37:26 -14.1 AT Up 9.0 175.4 Really Low 10:22:26 - 10:52:26 4641
Summerland 10:37:26 -14.2 AT Up 9.2 175.5 Really Low 10:22:26 - 10:52:26 4638
Penticton 10:37:25 -14.2 AT Up 9.2 175.6 Really Low 10:22:25 - 10:52:25 4636
Oliver 10:37:25 -14.4 AT Up 9.6 175.6 Really Low 10:22:25 - 10:52:25 4630
Victoria 10:37:51 -16.5 AT Up 10.0 172.3 Really Low 10:22:51 - 10:52:51 4629
Anarchist Mountain Observatory 10:37:24 -14.5 AT Up 9.8 175.8 Really Low 10:22:24 - 10:52:24 4627
Okanogan 10:37:26 -15.1 AT Up 10.4 175.6 Really Low 10:22:26 - 10:52:26 4615
Brewster 10:37:28 -15.4 AT Up 10.7 175.4 Really Low 10:22:28 - 10:52:28 4610
Manson/Chelan 10:37:30 -15.7 AT Up 10.9 175.1 Really Low 10:22:30 - 10:52:30 4607
Wenatchee 10:37:32 -16.1 AT Up 11.3 174.9 Really Low 10:22:32 - 10:52:32 4598
Ellensburg 10:37:34 -16.5 AT Up 11.7 174.7 Really Low 10:22:34 - 10:52:34 4590
Yakima 10:37:35 -16.8 AT Up 12.1 174.7 Really Low 10:22:35 - 10:52:35 4581
Toppenish/White Swan 10:37:33 -16.9 AT Up 12.3 174.9 Really Low 10:22:33 - 10:52:33 4575
Sleaford 10:36:01 -6.4 NT Up 6.5 187.1 Really Low 10:21:01 - 10:51:01 4568
PNWRO 10:37:24 -16.6 AT Up 12.8 176.1 Really Low 10:22:24 - 10:52:24 4560
The Dalles 10:37:40 -17.9 AT Up 13.1 174.2 Really Low 10:22:40 - 10:52:40 4559
Maupin 10:37:40 -18.2 Dark Up 13.5 174.2 Really Low 10:22:40 - 10:52:40 4548
Sisters 10:37:44 -19.1 Dark Up 14.3 173.8 Really Low 10:22:44 - 10:52:44 4527
Bend 10:37:43 -19.1 Dark Up 14.6 174.0 Really Low 10:22:43 - 10:52:43 4520
Oregon Observatory 10:37:43 -19.3 Dark Up 14.8 173.9 Really Low 10:22:43 - 10:52:43 4516
Chiloquin 10:37:48 -20.5 Dark Up 16.0 173.5 Really Low 10:22:48 - 10:52:48 4479
Klamath Falls 10:37:48 -20.7 Dark Up 16.4 173.6 Really Low 10:22:48 - 10:52:48 4468
Cedarville 10:37:37 -20.5 Dark Up 17.2 175.0 Really Low 10:22:37 - 10:52:37 4440
Fall River/Burney 10:37:46 -21.5 Dark Up 17.6 173.9 Really Low 10:22:46 - 10:52:46 4429
Greenville 10:37:44 -21.9 Dark Up 18.5 174.2 Really Low 10:22:44 - 10:52:44 4396
Gimple 10:37:43 -21.9 Dark Up 18.5 174.3 Really Low 10:22:43 - 10:52:43 4396
Quincy 10:37:44 -22.1 Dark Up 18.7 174.2 Really Low 10:22:44 - 10:52:44 4389
Portola 10:37:41 -22.0 Dark Up 18.9 174.7 Really Low 10:22:41 - 10:52:41 4383
Reno 10:37:36 -21.8 Dark Up 19.2 175.2 Really Low 10:22:36 - 10:52:36 4371
Carson City 10:37:36 -22.1 Dark Up 19.5 175.2 Really Low 10:22:36 - 10:52:36 4358
Gardnerville 10:37:36 -22.2 Dark Up 19.8 175.3 Really Low 10:22:36 - 10:52:36 4349
Yerington 10:37:33 -21.9 Dark Up 19.8 175.8 Really Low 10:22:33 - 10:52:33 4347
Hawthorne 10:37:28 -22.0 Dark Up 20.3 176.2 Low 10:22:28 - 10:52:28 4327
Lee Vining 10:37:33 -22.6 Dark Up 20.8 175.8 Low 10:22:33 - 10:52:33 4309
Bishop 10:37:28 -22.7 Dark Up 21.4 176.4 Low 10:22:28 - 10:52:28 4280
Dunrhomin 10:35:47 -13.3 AT Up 18.2 188.0 Really Low 10:20:47 - 10:50:47 4253
Beatty 10:37:15 -22.1 Dark Up 22.0 177.9 Low 10:22:15 - 10:52:15 4251
Nikitin 10:35:47 -13.4 AT Up 18.4 188.0 Really Low 10:20:47 - 10:50:47 4246
CU-SBO 10:35:48 -13.5 AT Up 18.4 188.0 Really Low 10:20:48 - 10:50:48 4245
Patrick 10:36:53 -21.5 Dark Up 23.5 180.5 Low 10:21:53 - 10:51:53 4164
Laughlin/Bullhead City 10:36:59 -22.1 Dark Up 23.7 179.8 Low 10:21:59 - 10:51:59 4159
Wildwood 10:37:32 -25.1 Dark Up 24.7 176.2 Low 10:22:32 - 10:52:32 4140
Lake Havasu City 10:36:57 -22.4 Dark Up 24.4 180.1 Low 10:21:57 - 10:51:57 4126
Idyllwild 10:37:17 -24.3 Dark Up 25.1 177.9 Low 10:22:17 - 10:52:17 4112
Calipatria 10:37:07 -24.0 Dark Up 25.8 178.9 Low 10:22:07 - 10:52:07 4072
George/Scottsdale 10:36:37 -21.4 Dark Up 25.1 182.3 Low 10:21:37 - 10:51:37 4065
Yuma 10:37:01 -23.8 Dark Up 26.2 179.8 Low 10:22:01 - 10:52:01 4044

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, (2029/05/08 10:32UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.55 102
Kap Sco        17:42:29.3 -39:01:49  2.4  9.24  87
10Gam2Sgr      18:05:48.4 -30:25:31  3.0  0.67  81
PPM 297232     18:05:54.9 -30:39:39  8.4  0.44  81
PPM 297216     18:05:18.6 -31:03:12  8.9  0.08  82
543377         18:05:38.3 -31:05:40 16.3        81
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:35:10 UT

Marc W. Buie, Southwest Research Institute

RECON