RECON: TNO occultation with 567122

Event between (567122) 20PM3 and star GA1120:16439006 with event index number of 2642914

Geocentric closest approach at 2024/09/26 07:30:43 UTC

J2000 position of star is 23:56:56.7 +23:03:29
Equinox of date position of star is 23:58:03.7 +23:10:46
Stellar brightness G=14.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 100 degrees from the moon. Moon is 35% illuminated.
TNO apparent brightness V=20.4

[RECON map]
TNO is 12.6 AU from the Sun and 11.7 AU from the Earth.
The TNO is moving 21.9 km/sec on the sky relative to the star, or, 9.3 arcsec/hr.
The 1-sigma error in the time of the event is 51 seconds.
The 1-sigma cross-track error in the shadow position is 1576 km.
The sky-plane scale is 8457.2 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.4 km assuming a 5% albedo -- 3.6 sec chord
Diameter=32.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 567122, (2024/09/26 07:31UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:16.6 +45:22:11  1.3 45.24 107
Algenib        00:14:30.8 +15:19:15  2.8  8.76 101
PPM 115976     23:57:57.4 +22:47:09  6.1  0.41 100
PPM 115969     23:57:23.8 +23:01:10  9.2  0.26 100
PPM 116002     23:58:57.2 +23:17:18 11.3  0.19 100
567122         23:58:12.7 +23:11:44 14.6       100
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 25.5 km RECON observability=1.0 and success probability=21.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 07:30:23 -41.1 Dark Up 62.8 179.3 Up 07:25:39 - 07:35:08 3028
Kelowna 07:30:25 -41.4 Dark Up 63.2 179.0 Up 07:25:40 - 07:35:09 2991
Peachland 07:30:25 -41.5 Dark Up 63.3 178.4 Up 07:25:41 - 07:35:10 2984
Summerland 07:30:25 -41.7 Dark Up 63.5 178.6 Up 07:25:41 - 07:35:10 2969
Penticton 07:30:25 -41.8 Dark Up 63.5 178.8 Up 07:25:40 - 07:35:09 2961
Oliver 07:30:25 -42.1 Dark Up 63.9 178.8 Up 07:25:41 - 07:35:10 2926
Victoria 07:30:38 -42.4 Dark Up 64.3 170.6 Up 07:25:54 - 07:35:23 2913
Anarchist Mountain Observatory 07:30:25 -42.3 Dark Up 64.0 179.2 Up 07:25:40 - 07:35:09 2907
Tonasket 07:30:25 -42.6 Dark Up 64.4 179.0 Up 07:25:41 - 07:35:10 2877
Okanogan 07:30:26 -42.9 Dark Up 64.7 178.7 Up 07:25:41 - 07:35:10 2846
Brewster 07:30:27 -43.2 Dark Up 65.0 178.2 Up 07:25:42 - 07:35:11 2821
Manson/Chelan 07:30:28 -43.4 Dark Up 65.2 177.4 Up 07:25:43 - 07:35:12 2806
Wenatchee 07:30:29 -43.8 Dark Up 65.6 177.0 Up 07:25:45 - 07:35:14 2761
Ellensburg 07:30:30 -44.2 Dark Up 66.0 176.5 Up 07:25:46 - 07:35:15 2722
Yakima 07:30:31 -44.6 Dark Up 66.4 176.4 Up 07:25:46 - 07:35:15 2682
Toppenish/White Swan 07:30:30 -44.8 Dark Up 66.7 176.7 Up 07:25:46 - 07:35:15 2658
Pasco 07:30:26 -45.1 Dark Up 66.8 179.7 Up 07:25:42 - 07:35:11 2629
Goldendale 07:30:32 -45.3 Dark Up 67.2 175.7 Up 07:25:48 - 07:35:17 2608
PNWRO 07:30:26 -45.3 Dark Up 67.1 180.2 Up 07:25:41 - 07:35:10 2601
The Dalles 07:30:34 -45.5 Dark Up 67.4 174.8 Up 07:25:49 - 07:35:18 2591
Maupin 07:30:34 -45.9 Dark Up 67.8 174.9 Up 07:25:49 - 07:35:18 2547
Sisters 07:30:36 -46.8 Dark Up 68.7 173.5 Up 07:25:52 - 07:35:21 2465
Redmond 07:30:35 -46.8 Dark Up 68.7 174.5 Up 07:25:50 - 07:35:19 2457
Bend 07:30:36 -47.0 Dark Up 68.9 174.1 Up 07:25:51 - 07:35:20 2437
Oregon Observatory 07:30:36 -47.2 Dark Up 69.1 173.7 Up 07:25:52 - 07:35:21 2422
La Pine/Gilchrist 07:30:36 -47.4 Dark Up 69.3 173.5 Up 07:25:52 - 07:35:21 2402
North Lake 07:30:35 -47.9 Dark Up 69.8 175.0 Up 07:25:51 - 07:35:20 2348
Chiloquin 07:30:39 -48.4 Dark Down 70.3 172.2 Up 07:25:54 - 07:35:23 2293
Paisley 07:30:34 -48.5 Dark Up 70.3 175.8 Up 07:25:49 - 07:35:18 2286
Klamath Falls 07:30:39 -48.8 Dark Down 70.7 172.3 Up 07:25:55 - 07:35:24 2257
Lakeview 07:30:34 -49.0 Dark Up 70.8 176.2 Up 07:25:49 - 07:35:18 2231
Cedarville 07:30:34 -49.7 Dark Down 71.5 176.6 Up 07:25:49 - 07:35:18 2161
Fall River/Burney 07:30:39 -50.0 Dark Down 71.9 173.0 Up 07:25:54 - 07:35:23 2129
Susanville 07:30:37 -50.7 Dark Down 72.6 175.0 Up 07:25:52 - 07:35:21 2052
Greenville 07:30:38 -50.9 Dark Down 72.8 174.0 Up 07:25:53 - 07:35:22 2028
Gimple 07:30:38 -51.0 Dark Down 72.8 174.2 Up 07:25:53 - 07:35:22 2026
Quincy 07:30:38 -51.1 Dark Down 73.0 173.9 Up 07:25:53 - 07:35:22 2007
Portola 07:30:36 -51.3 Dark Down 73.2 175.4 Up 07:25:52 - 07:35:21 1986
Reno 07:30:34 -51.7 Dark Down 73.5 177.4 Up 07:25:50 - 07:35:19 1949
Carson City 07:30:34 -52.0 Dark Down 73.9 177.4 Up 07:25:50 - 07:35:19 1911
Gardnerville 07:30:34 -52.3 Dark Down 74.1 177.5 Up 07:25:50 - 07:35:19 1884
Yerington 07:30:32 -52.3 Dark Down 74.1 179.5 Up 07:25:47 - 07:35:16 1881
Dunrhomin 07:29:38 -50.3 Dark Up 69.3 217.8 Up 07:24:54 - 07:34:23 1868
Hawthorne 07:30:30 -52.8 Dark Down 74.5 181.2 Up 07:25:46 - 07:35:15 1824
Lee Vining 07:30:33 -53.3 Dark Down 75.1 179.6 Up 07:25:48 - 07:35:17 1772
Tonopah 07:30:25 -53.3 Dark Down 74.9 186.2 Up 07:25:41 - 07:35:10 1755
Bishop 07:30:30 -54.0 Dark Down 75.7 182.2 Up 07:25:46 - 07:35:15 1697
Beatty 07:30:24 -54.5 Dark Down 76.0 188.4 Up 07:25:40 - 07:35:09 1625
Indian Springs 07:30:20 -54.9 Dark Down 76.2 192.7 Up 07:25:36 - 07:35:05 1576
CPSLO 07:30:41 -55.7 Dark Down 77.7 173.0 Up 07:25:57 - 07:35:26 1513
Henderson 07:30:18 -55.4 Dark Down 76.6 195.9 Up 07:25:33 - 07:35:02 1509
Patrick 07:30:14 -56.1 Dark Up 76.9 201.0 Up 07:25:29 - 07:34:58 1428
Laughlin/Bullhead City 07:30:17 -56.3 Dark Down 77.3 198.6 Up 07:25:32 - 07:35:01 1410
Kingman/Dolan Springs 07:30:14 -56.3 Dark Up 77.1 200.6 Up 07:25:30 - 07:34:59 1406
Mohave Valley 07:30:17 -56.6 Dark Down 77.6 199.0 Up 07:25:32 - 07:35:01 1381
Wildwood 07:30:34 -57.2 Dark Down 79.0 181.9 Up 07:25:49 - 07:35:18 1351
Lake Havasu City 07:30:16 -57.0 Dark Down 77.9 200.6 Up 07:25:32 - 07:35:01 1334
Parker 07:30:16 -57.3 Dark Down 78.2 201.3 Up 07:25:32 - 07:35:01 1296
Idyllwild 07:30:27 -57.7 Dark Down 79.1 191.1 Up 07:25:42 - 07:35:11 1285
Blythe 07:30:18 -57.9 Dark Down 78.8 201.0 Up 07:25:33 - 07:35:02 1243
George/Scottsdale 07:30:06 -57.6 Dark Up 77.7 211.9 Up 07:25:22 - 07:34:51 1221
Calipatria 07:30:22 -58.3 Dark Down 79.5 197.6 Up 07:25:37 - 07:35:06 1202
Yuma 07:30:18 -58.8 Dark Down 79.6 202.6 Up 07:25:34 - 07:35:03 1143

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, (2024/09/26 07:31UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 45.24 107
Algenib        00:13:14.2 +15:11:01  2.8  8.76 101
PPM 115976     23:56:41.5 +22:38:53  6.1  0.41 100
PPM 115969     23:56:07.9 +22:52:54  9.2  0.26 100
PPM 116002     23:57:41.2 +23:09:03 11.3  0.19 100
567122         23:56:56.7 +23:03:29 14.6       100
Positions are for J2000

Event circumstances last updated at 2021/10/30 22:53:36 UT

Marc W. Buie, Southwest Research Institute

RECON