RECON: TNO occultation with 543377

Event between (543377) 14BF70 and star GA0580:30337211 with event index number of 2776129

Geocentric closest approach at 2029/06/20 06:04:56 UTC

J2000 position of star is 17:56:51.1 -31:04:14
Equinox of date position of star is 17:58:26.1 -31:04:19
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon. Moon is 60% 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 18.9 km/sec on the sky relative to the star, or, 7.8 arcsec/hr.
The 1-sigma error in the time of the event is 181 seconds.
The 1-sigma cross-track error in the shadow position is 693 km.
The sky-plane scale is 8760.8 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 4.1 sec chord
Diameter=30.8 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 543377, (2029/06/20 06:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9 19.68  59
34Ups Sco      17:32:46.2 -37:18:58  2.7  8.23  73
PPM 297024     17:58:11.8 -32:28:37  6.5  1.41  78
PPM 297054     17:59:26.2 -31:00:58  8.4  0.16  79
PPM 297031     17:58:30.0 -31:07:12  9.4  0.07  78
543377         17:58:45.4 -31:04:20 15.7        79
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 5.0 sigma about the mid-time.
The median site spacing is 22.7 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)
Sleaford 06:06:19 -13.4 AT Up 5.8 167.3 Really Low 05:51:19 - 06:21:19 3980
Kamloops 06:07:09 -11.6 NT Up 4.3 155.3 Really Low 05:52:09 - 06:22:09 3675
Kelowna 06:07:08 -12.6 AT Up 5.3 156.1 Really Low 05:52:08 - 06:22:08 3675
Dunrhomin 06:06:28 -25.0 Dark Up 17.5 167.4 Really Low 05:51:28 - 06:21:28 3667
Peachland 06:07:09 -12.6 AT Up 5.3 155.8 Really Low 05:52:09 - 06:22:09 3665
Penticton 06:07:09 -12.8 AT Up 5.6 156.0 Really Low 05:52:09 - 06:22:09 3664
Summerland 06:07:09 -12.8 AT Up 5.5 155.9 Really Low 05:52:09 - 06:22:09 3663
Nikitin 06:06:28 -25.2 Dark Up 17.7 167.4 Really Low 05:51:28 - 06:21:28 3660
CU-SBO 06:06:28 -25.2 Dark Up 17.7 167.3 Really Low 05:51:28 - 06:21:28 3656
Anarchist Mountain Observatory 06:07:09 -13.4 AT Up 6.1 156.1 Really Low 05:52:09 - 06:22:09 3655
Oliver 06:07:10 -13.2 AT Up 5.9 156.0 Really Low 05:52:10 - 06:22:10 3654
Okanogan 06:07:11 -13.9 AT Up 6.6 155.9 Really Low 05:52:11 - 06:22:11 3631
Brewster 06:07:13 -14.1 AT Up 6.8 155.7 Really Low 05:52:13 - 06:22:13 3618
Manson/Chelan 06:07:14 -14.1 AT Up 6.9 155.4 Really Low 05:52:14 - 06:22:14 3603
Wenatchee 06:07:15 -14.5 AT Up 7.3 155.3 Really Low 05:52:15 - 06:22:15 3584
PNWRO 06:07:13 -16.2 AT Up 9.0 156.3 Really Low 05:52:13 - 06:22:13 3575
Ellensburg 06:07:17 -14.8 AT Up 7.6 155.1 Really Low 05:52:17 - 06:22:17 3566
Yakima 06:07:18 -15.2 AT Up 8.0 155.0 Really Low 05:52:18 - 06:22:18 3552
Toppenish/White Swan 06:07:17 -15.4 AT Up 8.2 155.2 Really Low 05:52:17 - 06:22:17 3550
Victoria 06:07:23 -12.6 AT Up 5.4 152.8 Really Low 05:52:23 - 06:22:23 3541
The Dalles 06:07:22 -15.9 AT Up 8.7 154.5 Really Low 05:52:22 - 06:22:22 3503
Maupin 06:07:23 -16.3 AT Up 9.1 154.5 Really Low 05:52:23 - 06:22:23 3491
Sisters 06:07:26 -16.9 AT Up 9.8 154.1 Really Low 05:52:26 - 06:22:26 3447
Bend 06:07:25 -17.2 AT Up 10.1 154.3 Really Low 05:52:25 - 06:22:25 3446
Oregon Observatory 06:07:26 -17.3 AT Up 10.2 154.2 Really Low 05:52:26 - 06:22:26 3436
Cedarville 06:07:26 -19.8 Dark Up 12.7 155.0 Really Low 05:52:26 - 06:22:26 3378
Chiloquin 06:07:30 -18.3 Dark Up 11.2 153.7 Really Low 05:52:30 - 06:22:30 3374
Klamath Falls 06:07:30 -18.6 Dark Up 11.6 153.8 Really Low 05:52:30 - 06:22:30 3362
Fall River/Burney 06:07:31 -19.8 Dark Up 12.7 154.0 Really Low 05:52:31 - 06:22:31 3324
Reno 06:07:27 -21.7 Dark Up 14.6 155.1 Really Low 05:52:27 - 06:22:27 3303
Gimple 06:07:31 -20.8 Dark Up 13.7 154.3 Really Low 05:52:31 - 06:22:31 3300
Greenville 06:07:31 -20.7 Dark Up 13.7 154.2 Really Low 05:52:31 - 06:22:31 3297
Portola 06:07:30 -21.2 Dark Up 14.2 154.6 Really Low 05:52:30 - 06:22:30 3297
Yerington 06:07:26 -22.4 Dark Up 15.3 155.6 Really Low 05:52:26 - 06:22:26 3297
Hawthorne 06:07:25 -23.0 Dark Up 15.9 155.9 Really Low 05:52:25 - 06:22:25 3290
Quincy 06:07:31 -20.9 Dark Up 13.9 154.2 Really Low 05:52:31 - 06:22:31 3289
Carson City 06:07:28 -22.0 Dark Up 14.9 155.1 Really Low 05:52:28 - 06:22:28 3288
Gardnerville 06:07:28 -22.2 Dark Up 15.2 155.1 Really Low 05:52:28 - 06:22:28 3278
Patrick 06:07:09 -27.4 Dark Up 20.2 159.5 Low 05:52:09 - 06:22:09 3269
Beatty 06:07:19 -25.1 Dark Up 18.0 157.3 Really Low 05:52:19 - 06:22:19 3265
Lee Vining 06:07:27 -23.3 Dark Up 16.3 155.5 Really Low 05:52:27 - 06:22:27 3251
Bishop 06:07:25 -24.1 Dark Up 17.1 156.0 Really Low 05:52:25 - 06:22:25 3243
Laughlin/Bullhead City 06:07:12 -27.4 Dark Up 20.2 158.9 Low 05:52:12 - 06:22:12 3238
George/Scottsdale 06:07:02 -29.6 Dark Up 22.4 161.0 Low 05:52:02 - 06:22:02 3233
Lake Havasu City 06:07:12 -28.1 Dark Up 21.0 159.0 Low 05:52:12 - 06:22:12 3211
Idyllwild 06:07:23 -28.0 Dark Up 20.9 156.9 Low 05:52:23 - 06:22:23 3109
Yuma 06:07:15 -29.7 Dark Up 22.5 158.5 Low 05:52:15 - 06:22:15 3109
Calipatria 06:07:19 -29.0 Dark Up 21.9 157.8 Low 05:52:19 - 06:22:19 3108
Wildwood 06:07:30 -27.0 Dark Up 20.0 155.4 Really Low 05:52:30 - 06:22:30 3074

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, (2029/06/20 06:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.68  59
34Ups Sco      17:30:45.8 -37:17:46  2.7  8.23  73
PPM 297024     17:56:16.1 -32:28:30  6.5  1.41  78
PPM 297054     17:57:32.0 -31:00:54  8.4  0.16  79
PPM 297031     17:56:35.6 -31:07:06  9.4  0.07  78
543377         17:56:51.1 -31:04:14 15.7        78
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:02:35 UT

Marc W. Buie, Southwest Research Institute

RECON