RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:28500731 with event index number of 2801278

Geocentric closest approach at 2029/07/05 04:45:45 UTC

J2000 position of star is 17:53:19.7 -30:58:37
Equinox of date position of star is 17:54:54.6 -30:58:50
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon. Moon is 37% 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 18.0 km/sec on the sky relative to the star, or, 7.4 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 779 km.
The sky-plane scale is 8805.0 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, (2029/07/05 04:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.3 -26:29:41  0.9 18.92 140
34Ups Sco      17:32:46.4 -37:18:58  2.7  7.85 125
PPM 296839     17:51:05.6 -31:42:37  4.9  1.15 122
PPM 296920     17:54:11.7 -31:19:58  7.0  0.42 121
PPM 296968     17:56:03.5 -30:52:17  8.9  0.21 121
543377         17:55:14.1 -30:58:52 15.8       121
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=0.1 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)
Sleaford 04:47:47 -9.1 NT Down 5.3 163.9 Really Low 04:32:47 - 05:02:47 4868
Dunrhomin 04:47:58 -19.3 Dark Down 16.8 163.9 Really Low 04:32:58 - 05:02:58 4527
Nikitin 04:47:58 -19.5 Dark Down 17.0 163.9 Really Low 04:32:58 - 05:02:58 4519
CU-SBO 04:47:59 -19.5 Dark Down 17.1 163.8 Really Low 04:32:59 - 05:02:59 4514
Kelowna 04:48:36 -5.6 CT Down 4.3 152.8 Really Low 04:33:36 - 05:03:36 4473
Kamloops 04:48:37 -4.7 CT Down 3.3 152.1 Really Low 04:33:37 - 05:03:37 4472
Peachland 04:48:37 -5.6 CT Down 4.3 152.5 Really Low 04:33:37 - 05:03:37 4461
Penticton 04:48:36 -5.8 CT Down 4.5 152.7 Really Low 04:33:36 - 05:03:36 4460
Summerland 04:48:37 -5.7 CT Down 4.4 152.6 Really Low 04:33:37 - 05:03:37 4459
Anarchist Mountain Observatory 04:48:37 -6.3 NT Down 5.1 152.8 Really Low 04:33:37 - 05:03:37 4450
Oliver 04:48:37 -6.1 NT Down 4.8 152.7 Really Low 04:33:37 - 05:03:37 4449
Okanogan 04:48:39 -6.7 NT Down 5.6 152.6 Really Low 04:33:39 - 05:03:39 4421
Brewster 04:48:41 -6.8 NT Down 5.7 152.4 Really Low 04:33:41 - 05:03:41 4406
Manson/Chelan 04:48:42 -6.8 NT Down 5.8 152.1 Really Low 04:33:42 - 05:03:42 4388
Wenatchee 04:48:44 -7.0 NT Down 6.2 152.0 Really Low 04:33:44 - 05:03:44 4366
PNWRO 04:48:42 -8.7 NT Down 7.9 153.0 Really Low 04:33:42 - 05:03:42 4359
Ellensburg 04:48:45 -7.2 NT Down 6.5 151.8 Really Low 04:33:45 - 05:03:45 4344
Yakima 04:48:46 -7.5 NT Down 6.8 151.8 Really Low 04:33:46 - 05:03:46 4329
Toppenish/White Swan 04:48:47 -7.7 NT Down 7.1 151.9 Really Low 04:33:47 - 05:03:47 4326
Victoria 04:48:51 -4.8 CT Down 4.2 149.6 Really Low 04:33:51 - 05:03:51 4310
The Dalles 04:48:50 -7.9 NT Down 7.5 151.2 Really Low 04:33:50 - 05:03:50 4271
Maupin 04:48:51 -8.2 NT Down 7.9 151.3 Really Low 04:33:51 - 05:03:51 4258
Sisters 04:48:55 -8.6 NT Down 8.5 150.8 Really Low 04:33:55 - 05:03:55 4207
Bend 04:48:54 -8.9 NT Down 8.8 151.0 Really Low 04:33:54 - 05:03:54 4206
Oregon Observatory 04:48:55 -9.0 NT Down 8.9 150.9 Really Low 04:33:55 - 05:03:55 4194
Cedarville 04:48:55 -11.3 NT Down 11.4 151.7 Really Low 04:33:55 - 05:03:55 4134
Chiloquin 04:48:58 -9.7 NT Down 9.9 150.5 Really Low 04:33:58 - 05:03:58 4124
Klamath Falls 04:48:59 -9.9 NT Down 10.3 150.5 Really Low 04:33:59 - 05:03:59 4111
Fall River/Burney 04:49:00 -11.0 NT Down 11.4 150.7 Really Low 04:34:00 - 05:04:00 4070
Reno 04:48:57 -12.9 AT Down 13.3 151.8 Really Low 04:33:57 - 05:03:57 4054
Yerington 04:48:56 -13.6 AT Down 14.0 152.3 Really Low 04:33:56 - 05:03:56 4050
Patrick 04:48:40 -19.1 Dark Down 19.1 156.1 Really Low 04:33:40 - 05:03:40 4048
Gimple 04:49:00 -11.9 NT Down 12.4 151.0 Really Low 04:34:00 - 05:04:00 4046
Hawthorne 04:48:54 -14.2 AT Down 14.6 152.6 Really Low 04:33:54 - 05:03:54 4045
Portola 04:48:59 -12.3 AT Down 12.8 151.3 Really Low 04:33:59 - 05:03:59 4044
Greenville 04:49:00 -11.8 NT Down 12.4 151.0 Really Low 04:34:00 - 05:04:00 4043
Carson City 04:48:58 -13.1 AT Down 13.6 151.8 Really Low 04:33:58 - 05:03:58 4037
Quincy 04:49:01 -12.0 NT Down 12.6 151.0 Really Low 04:34:01 - 05:04:01 4033
Beatty 04:48:50 -16.4 AT Down 16.8 153.9 Really Low 04:33:50 - 05:03:50 4027
Gardnerville 04:48:58 -13.3 AT Down 13.9 151.8 Really Low 04:33:58 - 05:03:58 4027
George/Scottsdale 04:48:33 -21.4 Dark Down 21.3 157.5 Low 04:33:33 - 05:03:33 4024
Laughlin/Bullhead City 04:48:43 -18.9 Dark Down 19.1 155.5 Really Low 04:33:43 - 05:03:43 4011
Lee Vining 04:48:58 -14.4 AT Down 15.0 152.2 Really Low 04:33:58 - 05:03:58 4001
Bishop 04:48:56 -15.2 AT Down 15.8 152.7 Really Low 04:33:56 - 05:03:56 3995
Lake Havasu City 04:48:43 -19.5 Dark Down 19.8 155.6 Really Low 04:33:43 - 05:03:43 3984
Yuma 04:48:46 -20.7 Dark Down 21.3 155.0 Low 04:33:46 - 05:03:46 3874
Calipatria 04:48:50 -19.9 Dark Down 20.6 154.4 Low 04:33:50 - 05:03:50 3868
Idyllwild 04:48:54 -18.7 Dark Down 19.6 153.5 Really Low 04:33:54 - 05:03:54 3861
Wildwood 04:49:01 -17.4 AT Down 18.6 152.1 Really Low 04:34:01 - 05:04:01 3813

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, (2029/07/05 04:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.92 140
34Ups Sco      17:30:45.8 -37:17:46  2.7  7.85 125
PPM 296839     17:49:10.5 -31:42:12  4.9  1.15 122
PPM 296920     17:52:17.0 -31:19:41  7.0  0.42 121
PPM 296968     17:54:09.2 -30:52:04  8.9  0.21 121
543377         17:53:19.7 -30:58:37 15.8       121
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:04:33 UT

Marc W. Buie, Southwest Research Institute

RECON