RECON: TNO occultation with 567122

Event between (567122) 20PM3 and star GA1360:00582788 with event index number of 2643227

Geocentric closest approach at 2027/11/03 06:23:33 UTC

J2000 position of star is 01:26:50.3 +47:14:39
Equinox of date position of star is 01:28:16.7 +47:22:03
Stellar brightness G=13.5, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 118 degrees from the moon. Moon is 22% illuminated.
Apparent brightness V=20.2

[RECON map]
Object is 12.2 AU from the Sun and 11.4 AU from the Earth.
Apparent velocity is 20.5 km/sec on the sky relative to the star, or, 8.9 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is 1457 km.
The sky-plane scale is 8234.4 km/arcsec.

The object has an absolute magnitude Hv=9.2
Diameter=80.5 km assuming a 5% albedo -- 4.2 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 567122, (2027/11/03 06:22UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:22.9 +45:22:52  1.3 47.59  77
57Gam1And      02:05:37.2 +42:27:43  2.3  8.20 124
49 And         01:31:47.1 +47:08:59  6.1  0.60 118
PPM 043971     01:27:21.2 +47:15:45  8.2  0.23 118
567122         01:28:31.0 +47:23:16 13.5       118
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 27.2 km RECON observability=1.0 and success probability=34.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 06:23:41 -50.7 Dark Down 85.7 142.1 Up 06:17:15 - 06:30:07 2048
Kelowna 06:23:40 -51.7 Dark Down 86.7 142.0 Up 06:17:14 - 06:30:06 1940
Peachland 06:23:41 -51.7 Dark Down 86.7 138.0 Up 06:17:15 - 06:30:07 1937
Summerland 06:23:41 -51.9 Dark Down 86.8 137.1 Up 06:17:15 - 06:30:07 1919
Victoria 06:23:56 -51.4 Dark Down 85.2 103.0 Up 06:17:30 - 06:30:22 1917
Penticton 06:23:41 -52.0 Dark Down 86.9 137.3 Up 06:17:15 - 06:30:07 1909
Sleaford 06:22:53 -52.6 Dark Down 81.7 238.3 Up 06:16:27 - 06:29:19 1896
Oliver 06:23:42 -52.3 Dark Down 87.2 132.5 Up 06:17:16 - 06:30:08 1873
Anarchist Mountain Observatory 06:23:41 -52.5 Dark Down 87.4 131.7 Up 06:17:15 - 06:30:07 1849
Okanogan 06:23:44 -53.0 Dark Down 87.7 117.4 Up 06:17:18 - 06:30:10 1789
Brewster 06:23:45 -53.1 Dark Down 87.6 109.9 Up 06:17:19 - 06:30:11 1767
Manson/Chelan 06:23:46 -53.2 Dark Down 87.5 103.3 Up 06:17:20 - 06:30:12 1756
Wenatchee 06:23:48 -53.5 Dark Down 87.4 92.3 Up 06:17:22 - 06:30:14 1712
Ellensburg 06:23:50 -53.8 Dark Down 87.3 83.3 Up 06:17:24 - 06:30:16 1676
Yakima 06:23:51 -54.1 Dark Down 87.2 75.1 Up 06:17:25 - 06:30:17 1635
Toppenish/White Swan 06:23:50 -54.3 Dark Down 87.2 70.3 Up 06:17:24 - 06:30:16 1608
The Dalles 06:23:55 -54.6 Dark Down 86.4 61.0 Up 06:17:29 - 06:30:21 1552
PNWRO 06:23:46 -55.2 Dark Down 88.0 51.8 Up 06:17:20 - 06:30:12 1526
Maupin 06:23:55 -55.0 Dark Down 86.3 54.9 Up 06:17:29 - 06:30:21 1506
Sisters 06:23:59 -55.5 Dark Down 85.4 48.0 Up 06:17:33 - 06:30:25 1431
Bend 06:23:58 -55.8 Dark Down 85.4 44.4 Up 06:17:32 - 06:30:24 1399
Oregon Observatory 06:23:59 -55.9 Dark Down 85.2 43.7 Up 06:17:33 - 06:30:25 1385
Chiloquin 06:24:03 -56.7 Dark Down 84.0 36.7 Up 06:17:37 - 06:30:29 1264
Klamath Falls 06:24:04 -57.0 Dark Down 83.8 34.5 Up 06:17:38 - 06:30:30 1227
Cedarville 06:24:00 -58.3 Dark Down 83.7 22.9 Up 06:17:34 - 06:30:26 1104
Fall River/Burney 06:24:05 -58.1 Dark Down 82.9 27.4 Up 06:17:39 - 06:30:31 1094
Greenville 06:24:05 -59.0 Dark Down 82.2 22.4 Up 06:17:39 - 06:30:31 987
Gimple 06:24:05 -59.0 Dark Down 82.3 22.0 Up 06:17:39 - 06:30:31 984
Quincy 06:24:06 -59.1 Dark Down 82.0 21.8 Up 06:17:40 - 06:30:32 967
Portola 06:24:04 -59.5 Dark Down 82.1 19.4 Up 06:17:38 - 06:30:30 938
Reno 06:24:02 -60.0 Dark Down 82.0 15.8 Up 06:17:36 - 06:30:28 890
Carson City 06:24:03 -60.3 Dark Down 81.6 15.1 Up 06:17:37 - 06:30:29 852
Gardnerville 06:24:03 -60.5 Dark Down 81.4 14.4 Up 06:17:37 - 06:30:29 826
Yerington 06:24:01 -60.8 Dark Down 81.5 12.0 Up 06:17:35 - 06:30:27 812
Hawthorne 06:23:59 -61.4 Dark Down 81.2 9.1 Up 06:17:33 - 06:30:25 747
Lee Vining 06:24:03 -61.6 Dark Down 80.5 10.5 Up 06:17:37 - 06:30:29 705
Bishop 06:24:01 -62.4 Dark Down 80.0 7.1 Up 06:17:35 - 06:30:27 621
Dunrhomin 06:23:03 -64.3 Dark Down 79.3 314.6 Up 06:16:37 - 06:29:29 600
Nikitin 06:23:04 -64.5 Dark Down 79.2 315.4 Up 06:16:38 - 06:29:30 581
CU-SBO 06:23:04 -64.6 Dark Down 79.2 315.8 Up 06:16:38 - 06:29:30 575
Beatty 06:23:55 -63.6 Dark Down 79.7 0.7 Up 06:17:29 - 06:30:21 523
Wildwood 06:24:08 -64.7 Dark Down 76.8 5.9 Up 06:17:42 - 06:30:34 296
Patrick 06:23:46 -66.1 Dark Down 78.0 351.3 Up 06:17:20 - 06:30:12 285
Laughlin/Bullhead City 06:23:49 -66.0 Dark Down 77.8 353.7 Up 06:17:23 - 06:30:15 280
Lake Havasu City 06:23:49 -66.7 Dark Down 77.1 353.2 Up 06:17:23 - 06:30:15 204
Idyllwild 06:24:00 -66.0 Dark Down 76.5 0.4 Up 06:17:34 - 06:30:26 198
Calipatria 06:23:56 -67.1 Dark Down 75.9 357.1 Up 06:17:30 - 06:30:22 100
George/Scottsdale 06:23:40 -68.4 Dark Down 76.0 346.8 Up 06:17:14 - 06:30:06 56
Yuma 06:23:53 -67.9 Dark Down 75.4 354.8 Up 06:17:27 - 06:30:19 29

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 567122, (2027/11/03 06:22UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 47.59  77
57Gam1And      02:03:54.1 +42:19:46  2.3  8.20 124
49 And         01:30:06.1 +47:00:25  6.1  0.60 118
PPM 043971     01:25:40.8 +47:07:07  8.2  0.23 118
567122         01:26:50.3 +47:14:39 13.5       118
Positions are for J2000

Event circumstances last updated at 2023/11/27 04:22:18 UT

Marc W. Buie, Southwest Research Institute

RECON