RECON: TNO occultation with 533206

Event between (533206) 14DE143 and star GA0880:04083751 with event index number of 2593032

Geocentric closest approach at 2028/02/20 07:32:48 UTC

J2000 position of star is 12:46:46.6 -01:49:06
Equinox of date position of star is 12:47:58.8 -01:56:45
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 84 degrees from the moon. Moon is 22% illuminated.
Apparent brightness V=22.5

[RECON map]
Object is 43.7 AU from the Sun and 43.0 AU from the Earth.
Apparent velocity is 18.2 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 210 seconds.
The 1-sigma cross-track error in the shadow position is 2729 km.
The sky-plane scale is 31179.9 km/arcsec.

The object has an absolute magnitude Hv=6.0
Diameter=375.0 km assuming a 5% albedo -- 20.8 sec chord
Diameter=153.1 km assuming a 30% albedo -- 8.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533206, (2028/02/20 07:32UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:40.8 -11:18:26  1.0 13.35  72
Vindemiatrix   13:03:34.8 +10:48:30  2.8 13.34  86
38 Vir         12:54:37.9 -03:42:20  6.1  2.36  82
PPM 178863     12:45:04.9 -01:43:53  6.8  0.82  85
PPM 178885     12:50:24.5 -01:39:27  9.1  0.63  84
PPM 178878     12:48:30.5 -02:14:20 11.7  0.28  84
533206         12:48:13.4 -01:58:18 15.5        84
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 4.3 sigma about the mid-time.
The median site spacing is 23.0 km RECON observability=1.0 and success probability=23.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:36:44 -48.8 Dark Down 29.1 140.7 Low 07:21:44 - 07:51:44 2288
Kamloops 07:37:20 -49.6 Dark Down 23.6 125.9 Low 07:22:20 - 07:52:20 1801
Kelowna 07:37:20 -50.6 Dark Down 24.5 126.5 Low 07:22:20 - 07:52:20 1749
Peachland 07:37:22 -50.6 Dark Down 24.4 126.2 Low 07:22:22 - 07:52:22 1732
Summerland 07:37:21 -50.8 Dark Down 24.6 126.2 Low 07:22:21 - 07:52:21 1720
Penticton 07:37:21 -50.9 Dark Down 24.7 126.3 Low 07:22:21 - 07:52:21 1717
Oliver 07:37:21 -51.2 Dark Down 24.9 126.2 Low 07:22:21 - 07:52:21 1685
Anarchist Mountain Observatory 07:37:21 -51.4 Dark Down 25.1 126.3 Low 07:22:21 - 07:52:21 1674
Okanogan 07:37:23 -52.0 Dark Down 25.3 125.8 Low 07:22:23 - 07:52:23 1609
Brewster 07:37:23 -52.2 Dark Down 25.4 125.5 Low 07:22:23 - 07:52:23 1579
Manson/Chelan 07:37:25 -52.4 Dark Down 25.3 125.1 Low 07:22:25 - 07:52:25 1551
Victoria 07:37:31 -51.1 Dark Down 23.2 122.4 Low 07:22:31 - 07:52:31 1533
Wenatchee 07:37:26 -52.8 Dark Down 25.5 124.8 Low 07:22:26 - 07:52:26 1503
Ellensburg 07:37:26 -53.1 Dark Down 25.6 124.4 Low 07:22:26 - 07:52:26 1459
Yakima 07:37:27 -53.5 Dark Down 25.8 124.2 Low 07:22:27 - 07:52:27 1420
PNWRO 07:37:23 -54.4 Dark Down 27.1 125.5 Low 07:22:23 - 07:52:23 1408
Toppenish/White Swan 07:37:27 -53.8 Dark Down 26.0 124.3 Low 07:22:27 - 07:52:27 1404
The Dalles 07:37:30 -54.4 Dark Down 26.0 123.3 Low 07:22:30 - 07:52:30 1310
Dunrhomin 07:36:45 -60.4 Dark Down 38.3 136.2 Up 07:21:45 - 07:51:45 1288
Maupin 07:37:30 -54.8 Dark Down 26.3 123.2 Low 07:22:30 - 07:52:30 1273
Nikitin 07:36:45 -60.6 Dark Down 38.4 136.1 Up 07:21:45 - 07:51:45 1270
CU-SBO 07:36:45 -60.6 Dark Down 38.4 136.0 Up 07:21:45 - 07:51:45 1262
Sisters 07:37:31 -55.5 Dark Down 26.5 122.4 Low 07:22:31 - 07:52:31 1177
Bend 07:37:31 -55.8 Dark Down 26.8 122.5 Low 07:22:31 - 07:52:31 1161
Oregon Observatory 07:37:32 -55.9 Dark Down 26.8 122.3 Low 07:22:32 - 07:52:32 1140
Chiloquin 07:37:34 -57.1 Dark Down 27.2 121.4 Low 07:22:34 - 07:52:34 1002
Klamath Falls 07:37:34 -57.4 Dark Down 27.5 121.3 Low 07:22:34 - 07:52:34 971
Cedarville 07:37:29 -58.5 Dark Down 28.8 122.4 Low 07:22:29 - 07:52:29 946
Fall River/Burney 07:37:33 -58.6 Dark Down 28.3 121.1 Low 07:22:33 - 07:52:33 865
Gimple 07:37:33 -59.6 Dark Down 29.1 121.2 Low 07:22:33 - 07:52:33 790
Greenville 07:37:33 -59.6 Dark Down 29.1 121.1 Low 07:22:33 - 07:52:33 788
Portola 07:37:32 -60.0 Dark Down 29.6 121.4 Low 07:22:32 - 07:52:32 769
Quincy 07:37:33 -59.8 Dark Down 29.2 121.0 Low 07:22:33 - 07:52:33 768
Reno 07:37:31 -60.4 Dark Down 30.1 121.8 Up 07:22:31 - 07:52:31 761
Carson City 07:37:31 -60.8 Dark Down 30.3 121.6 Up 07:22:31 - 07:52:31 727
Yerington 07:37:29 -61.1 Dark Down 30.8 122.1 Up 07:22:29 - 07:52:29 726
Gardnerville 07:37:30 -61.0 Dark Down 30.5 121.5 Up 07:22:30 - 07:52:30 704
Hawthorne 07:37:27 -61.7 Dark Down 31.4 122.3 Up 07:22:27 - 07:52:27 695
Lee Vining 07:37:29 -62.1 Dark Down 31.4 121.6 Up 07:22:29 - 07:52:29 625
Beatty 07:37:22 -63.6 Dark Down 33.6 123.1 Up 07:22:22 - 07:52:22 591
Bishop 07:37:27 -62.8 Dark Down 32.2 121.9 Up 07:22:27 - 07:52:27 587
Patrick 07:37:12 -65.5 Dark Down 36.3 124.8 Up 07:22:12 - 07:52:12 536
Laughlin/Bullhead City 07:37:15 -65.7 Dark Down 36.0 124.0 Up 07:22:15 - 07:52:15 489
George/Scottsdale 07:37:06 -67.3 Dark Down 38.6 125.6 Up 07:22:06 - 07:52:06 436
Lake Havasu City 07:37:15 -66.3 Dark Down 36.5 123.8 Up 07:22:15 - 07:52:15 430
Idyllwild 07:37:22 -66.7 Dark Down 35.3 121.3 Up 07:22:22 - 07:52:22 277
Calipatria 07:37:18 -67.5 Dark Down 36.4 121.9 Up 07:22:18 - 07:52:18 254
Wildwood 07:37:28 -65.9 Dark Down 33.8 119.9 Up 07:22:28 - 07:52:28 253
Yuma 07:37:15 -68.1 Dark Down 37.3 122.4 Up 07:22:15 - 07:52:15 240

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 533206, (2028/02/20 07:32UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 13.35  72
Vindemiatrix   13:02:10.2 +10:57:33  2.8 13.34  86
38 Vir         12:53:10.8 -03:33:11  6.1  2.36  82
PPM 178863     12:43:38.2 -01:34:40  6.8  0.82  85
PPM 178885     12:48:57.8 -01:30:17  9.1  0.63  84
PPM 178878     12:47:03.7 -02:05:08 11.7  0.28  84
533206         12:46:46.6 -01:49:06 15.5        84
Positions are for J2000

Event circumstances last updated at 2023/05/23 02:46:50 UT

Marc W. Buie, Southwest Research Institute

RECON