RECON: TNO occultation with 560552

Event between (560552) 15GO50 and star GA0640:06125912 with event index number of 2306854

Geocentric closest approach at 2027/03/03 12:57:33 UTC

J2000 position of star is 13:10:20.6 -25:11:52
Equinox of date position of star is 13:11:40.6 -25:19:39
Stellar brightness G=16.7, 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 21% illuminated.
Apparent brightness V=22.3

[RECON map]
Object is 39.5 AU from the Sun and 38.8 AU from the Earth.
Apparent velocity is 17.4 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 278 seconds.
The 1-sigma cross-track error in the shadow position is 2431 km.
The sky-plane scale is 28113.9 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=317.7 km assuming a 5% albedo -- 18.7 sec chord
Diameter=129.7 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 560552, (2027/03/03 12:54UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:37.7 -11:18:08  1.0 14.47  85
9Bet Crv       12:35:49.2 -23:32:48  2.6  8.39  91
PPM 261317     13:13:08.3 -26:41:44  6.5  1.39  82
PPM 261284     13:11:40.1 -25:40:54  8.1  0.34  82
PPM 261296     13:12:13.2 -25:16:55  9.5  0.11  82
560552         13:11:49.4 -25:20:30 16.7        82
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 3.2 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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 12:55:40 -17.5 AT Down 7.4 213.3 Really Low 12:40:40 - 13:10:40 1423
Victoria 12:55:44 -19.9 Dark Down 10.2 210.9 Really Low 12:40:44 - 13:10:44 1395
Peachland 12:55:35 -17.3 AT Up 7.9 213.9 Really Low 12:40:35 - 13:10:35 1386
Kelowna 12:55:35 -17.1 AT Up 7.7 214.1 Really Low 12:40:35 - 13:10:35 1385
Summerland 12:55:35 -17.3 AT Up 8.0 214.0 Really Low 12:40:35 - 13:10:35 1380
Penticton 12:55:33 -17.2 AT Up 8.0 214.1 Really Low 12:40:33 - 13:10:33 1376
Oliver 12:55:33 -17.3 AT Up 8.3 214.1 Really Low 12:40:33 - 13:10:33 1365
Anarchist Mountain Observatory 12:55:32 -17.2 AT Up 8.4 214.3 Really Low 12:40:32 - 13:10:32 1357
Okanogan 12:55:32 -17.4 AT Up 9.0 214.2 Really Low 12:40:32 - 13:10:32 1338
Brewster 12:55:32 -17.6 AT Up 9.3 214.0 Really Low 12:40:32 - 13:10:32 1332
Manson/Chelan 12:55:32 -17.9 AT Up 9.6 213.7 Really Low 12:40:32 - 13:10:32 1330
Wenatchee 12:55:32 -18.1 Dark Up 10.1 213.6 Really Low 12:40:32 - 13:10:32 1316
Ellensburg 12:55:32 -18.3 Dark Up 10.5 213.5 Really Low 12:40:32 - 13:10:32 1304
Yakima 12:55:32 -18.4 Dark Up 10.9 213.5 Really Low 12:40:32 - 13:10:32 1290
Toppenish/White Swan 12:55:32 -18.3 Dark Up 11.0 213.7 Really Low 12:40:32 - 13:10:32 1281
The Dalles 12:55:32 -19.0 Dark Up 11.9 213.1 Really Low 12:40:32 - 13:10:32 1262
PNWRO 12:55:32 -17.3 AT Up 10.7 215.0 Really Low 12:40:32 - 13:10:32 1258
Maupin 12:55:32 -19.0 Dark Up 12.2 213.2 Really Low 12:40:32 - 13:10:32 1246
Sleaford 12:55:03 -8.5 NT Up 0.7 225.0 Really Low 12:40:03 - 13:10:03 1229
Sisters 12:55:32 -19.5 Dark Up 13.2 212.9 Really Low 12:40:32 - 13:10:32 1219
Bend 12:55:32 -19.3 Dark Up 13.3 213.2 Really Low 12:40:32 - 13:10:32 1209
Oregon Observatory 12:55:32 -19.5 Dark Up 13.5 213.1 Really Low 12:40:32 - 13:10:32 1204
Chiloquin 12:55:32 -20.0 Dark Up 14.7 212.9 Really Low 12:40:32 - 13:10:32 1159
Klamath Falls 12:55:32 -20.0 Dark Up 15.0 213.0 Really Low 12:40:32 - 13:10:32 1146
Cedarville 12:55:13 -18.9 Dark Up 14.9 214.4 Really Low 12:40:13 - 13:10:13 1072
Fall River/Burney 12:55:16 -19.9 Dark Up 15.9 213.5 Really Low 12:40:16 - 13:10:16 1068
Greenville 12:55:12 -19.7 Dark Up 16.4 214.0 Really Low 12:40:12 - 13:10:12 1018
Gimple 12:55:12 -19.7 Dark Up 16.4 214.1 Really Low 12:40:12 - 13:10:12 1017
Quincy 12:55:12 -19.8 Dark Up 16.6 214.0 Really Low 12:40:12 - 13:10:12 1008
Portola 12:55:10 -19.4 Dark Up 16.5 214.4 Really Low 12:40:10 - 13:10:10 995
Reno 12:55:06 -19.0 Dark Up 16.4 215.0 Really Low 12:40:06 - 13:10:06 971
Carson City 12:55:06 -19.0 Dark Up 16.7 215.1 Really Low 12:40:06 - 13:10:06 953
Gardnerville 12:55:04 -19.0 Dark Up 16.9 215.2 Really Low 12:40:04 - 13:10:04 940
Yerington 12:55:02 -18.5 Dark Up 16.6 215.6 Really Low 12:40:02 - 13:10:02 932
Hawthorne 12:54:59 -18.2 Dark Up 16.7 216.1 Really Low 12:39:59 - 13:09:59 899
Lee Vining 12:54:59 -18.6 Dark Up 17.4 215.8 Really Low 12:39:59 - 13:09:59 879
Bishop 12:54:55 -18.1 Dark Up 17.6 216.5 Really Low 12:39:55 - 13:09:55 834
Beatty 12:54:48 -16.9 AT Up 17.2 217.9 Really Low 12:39:48 - 13:09:48 778
Dunrhomin 12:54:16 -7.9 NT Up 8.7 226.1 Really Low 12:39:16 - 13:09:16 708
Nikitin 12:54:16 -7.9 NT Up 8.8 226.1 Really Low 12:39:16 - 13:09:16 698
CU-SBO 12:54:16 -7.9 NT Up 8.9 226.0 Really Low 12:39:16 - 13:09:16 697
Wildwood 12:54:48 -18.6 Dark Up 20.3 217.0 Low 12:39:48 - 13:09:48 653
Patrick 12:54:32 -14.7 AT Up 16.9 220.4 Really Low 12:39:32 - 13:09:32 637
Laughlin/Bullhead City 12:54:34 -15.3 AT Up 17.4 219.9 Really Low 12:39:34 - 13:09:34 637
Idyllwild 12:54:39 -17.1 AT Up 19.6 218.6 Really Low 12:39:39 - 13:09:39 597
Lake Havasu City 12:54:31 -15.1 AT Up 17.8 220.2 Really Low 12:39:31 - 13:09:31 592
Calipatria 12:54:32 -16.1 AT Up 19.5 219.6 Really Low 12:39:32 - 13:09:32 535
George/Scottsdale 12:54:20 -13.1 AT Up 17.1 222.2 Really Low 12:39:20 - 13:09:20 492
Yuma 12:54:28 -15.4 AT Up 19.4 220.4 Really Low 12:39:28 - 13:09:28 489

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 560552, (2027/03/03 12:54UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 14.47  85
9Bet Crv       12:34:23.2 -23:23:49  2.6  8.39  91
PPM 261317     13:11:39.1 -26:33:06  6.5  1.39  82
PPM 261284     13:10:11.2 -25:32:15  8.1  0.34  82
PPM 261296     13:10:44.4 -25:08:17  9.5  0.11  82
560552         13:10:20.6 -25:11:52 16.7        82
Positions are for J2000

Event circumstances last updated at 2024/06/21 21:27:09 UT

Marc W. Buie, Southwest Research Institute

RECON