RECON: TNO occultation with 534626

Event between (534626) 14UT224 and star GA1120:01075932 with event index number of 2162771

Geocentric closest approach at 2024/11/16 11:03:58 UTC

J2000 position of star is 05:16:55.1 +22:54:09
Equinox of date position of star is 05:18:15.9 +22:55:31
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 18 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 36.1 AU from the Sun and 35.2 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 218 seconds.
The 1-sigma cross-track error in the shadow position is 1483 km.
The sky-plane scale is 25558.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=280.6 km assuming a 5% albedo -- 12.9 sec chord
Diameter=114.5 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 534626, (2024/11/16 11:04UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.1 +16:33:27  0.8 11.57  12
Alnath         05:27:52.0 +28:37:34  1.6  6.08  20
108 Tau        05:16:57.5 +22:18:40  6.2  0.70  18
PPM 094242     05:19:02.7 +22:51:15  9.6  0.16  18
534626         05:18:25.4 +22:55:40 15.6        19
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 4.1 sigma about the mid-time.
The median site spacing is 29.2 km RECON observability=1.0 and success probability=18.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 11:02:03 -31.1 Dark Up 49.7 237.7 Up 10:47:03 - 11:17:03 3655
Kamloops 11:02:41 -40.0 Dark Up 57.3 220.0 Up 10:47:41 - 11:17:41 3383
Kelowna 11:02:38 -39.8 Dark Up 57.6 222.1 Up 10:47:38 - 11:17:38 3309
Peachland 11:02:38 -40.0 Dark Up 57.8 221.8 Up 10:47:38 - 11:17:38 3296
Summerland 11:02:38 -40.0 Dark Up 57.9 222.1 Up 10:47:38 - 11:17:38 3282
Penticton 11:02:38 -40.0 Dark Up 57.9 222.3 Up 10:47:38 - 11:17:38 3276
Oliver 11:02:37 -40.1 Dark Up 58.1 222.7 Up 10:47:37 - 11:17:37 3242
Anarchist Mountain Observatory 11:02:36 -40.0 Dark Up 58.2 223.2 Up 10:47:36 - 11:17:36 3226
Tonasket 11:02:36 -40.1 Dark Up 58.4 223.4 Up 10:47:36 - 11:17:36 3195
Okanogan 11:02:36 -40.4 Dark Up 58.7 223.6 Up 10:47:36 - 11:17:36 3160
Victoria 11:02:49 -42.6 Dark Up 60.3 217.3 Up 10:47:49 - 11:17:49 3152
Brewster 11:02:37 -40.6 Dark Up 59.0 223.6 Up 10:47:37 - 11:17:37 3132
Manson/Chelan 11:02:37 -40.9 Dark Up 59.4 223.2 Up 10:47:37 - 11:17:37 3108
Wenatchee 11:02:37 -41.1 Dark Up 59.8 223.5 Up 10:47:37 - 11:17:37 3060
Ellensburg 11:02:38 -41.4 Dark Up 60.2 223.7 Up 10:47:38 - 11:17:38 3017
Yakima 11:02:37 -41.5 Dark Up 60.5 224.1 Up 10:47:37 - 11:17:37 2975
Toppenish/White Swan 11:02:36 -41.5 Dark Up 60.6 224.7 Up 10:47:36 - 11:17:36 2954
PNWRO 11:02:31 -40.6 Dark Up 60.1 227.5 Up 10:47:31 - 11:17:31 2928
Goldendale 11:02:37 -41.9 Dark Up 61.2 224.7 Up 10:47:37 - 11:17:37 2895
The Dalles 11:02:39 -42.2 Dark Up 61.5 224.4 Up 10:47:39 - 11:17:39 2870
Maupin 11:02:38 -42.3 Dark Up 61.7 225.1 Up 10:47:38 - 11:17:38 2828
Sisters 11:02:38 -42.9 Dark Up 62.6 225.5 Up 10:47:38 - 11:17:38 2735
Bend 11:02:37 -42.8 Dark Up 62.6 226.2 Up 10:47:37 - 11:17:37 2712
Oregon Observatory 11:02:38 -42.9 Dark Up 62.8 226.3 Up 10:47:38 - 11:17:38 2693
North Lake 11:02:35 -42.7 Dark Up 63.0 228.1 Up 10:47:35 - 11:17:35 2631
Chiloquin 11:02:37 -43.6 Dark Up 63.9 227.5 Up 10:47:37 - 11:17:37 2554
Lakeview 11:02:32 -42.6 Dark Up 63.4 230.5 Up 10:47:32 - 11:17:32 2525
Klamath Falls 11:02:37 -43.6 Dark Up 64.1 228.1 Up 10:47:37 - 11:17:37 2519
Dunrhomin 11:01:38 -31.7 Dark Up 54.4 252.2 Up 10:46:38 - 11:16:38 2500
CU-SBO 11:01:38 -31.8 Dark Up 54.5 252.4 Up 10:46:38 - 11:16:38 2473
Cedarville 11:02:31 -42.6 Dark Up 63.7 231.8 Up 10:47:31 - 11:17:31 2457
Fall River/Burney 11:02:35 -43.6 Dark Up 64.7 230.6 Up 10:47:35 - 11:17:35 2398
Susanville 11:02:32 -43.2 Dark Up 64.6 232.9 Up 10:47:32 - 11:17:32 2337
Gimple 11:02:32 -43.4 Dark Up 64.9 233.0 Up 10:47:32 - 11:17:32 2306
Greenville 11:02:32 -43.5 Dark Up 65.0 232.9 Up 10:47:32 - 11:17:32 2305
Quincy 11:02:32 -43.5 Dark Up 65.1 233.2 Up 10:47:32 - 11:17:32 2284
Portola 11:02:30 -43.2 Dark Up 64.9 234.2 Up 10:47:30 - 11:17:30 2274
Reno 11:02:28 -42.8 Dark Up 64.6 235.7 Up 10:47:28 - 11:17:28 2251
Carson City 11:02:27 -42.8 Dark Up 64.8 236.3 Up 10:47:27 - 11:17:27 2214
Yerington 11:02:25 -42.4 Dark Up 64.5 237.6 Up 10:47:25 - 11:17:25 2198
Gardnerville 11:02:27 -42.9 Dark Up 64.9 236.9 Up 10:47:27 - 11:17:27 2188
Hawthorne 11:02:22 -42.1 Dark Up 64.4 239.2 Up 10:47:22 - 11:17:22 2153
Tonopah 11:02:17 -41.1 Dark Up 63.7 242.0 Up 10:47:17 - 11:17:17 2117
Lee Vining 11:02:24 -42.5 Dark Up 65.0 239.6 Up 10:47:24 - 11:17:24 2089
Bishop 11:02:20 -42.1 Dark Up 64.8 241.7 Up 10:47:20 - 11:17:20 2032
Beatty 11:02:14 -40.9 Dark Up 63.9 244.7 Up 10:47:14 - 11:17:14 1998
Indian Springs 11:02:10 -40.0 Dark Up 63.3 246.7 Up 10:47:10 - 11:17:10 1974
Henderson 11:02:07 -39.5 Dark Up 63.0 248.5 Up 10:47:07 - 11:17:07 1925
Patrick 11:02:02 -38.7 Dark Up 62.3 250.9 Up 10:47:02 - 11:17:02 1871
Kingman/Dolan Springs 11:02:02 -38.9 Dark Up 62.6 251.1 Up 10:47:02 - 11:17:02 1845
Laughlin/Bullhead City 11:02:04 -39.3 Dark Up 63.0 250.5 Up 10:47:04 - 11:17:04 1836
Mohave Valley 11:02:04 -39.3 Dark Up 63.0 251.0 Up 10:47:04 - 11:17:04 1807
Lake Havasu City 11:02:03 -39.1 Dark Up 63.0 252.1 Up 10:47:03 - 11:17:03 1767
Parker 11:02:02 -39.1 Dark Up 63.1 252.7 Up 10:47:02 - 11:17:02 1729
George/Scottsdale 11:01:52 -37.1 Dark Up 61.3 255.9 Up 10:46:52 - 11:16:52 1714
Wildwood 11:02:19 -42.6 Dark Up 66.4 248.0 Up 10:47:19 - 11:17:19 1678
Idyllwild 11:02:11 -41.1 Dark Up 65.1 250.9 Up 10:47:11 - 11:17:11 1659
Calipatria 11:02:06 -40.2 Dark Up 64.3 253.4 Up 10:47:06 - 11:17:06 1605
Yuma 11:02:02 -39.5 Dark Up 63.7 255.2 Up 10:47:02 - 11:17:02 1569

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 534626, (2024/11/16 11:04UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 11.57  12
Alnath         05:26:17.6 +28:36:23  1.6  6.08  20
108 Tau        05:15:27.6 +22:17:05  6.2  0.70  18
PPM 094242     05:17:32.4 +22:49:45  9.6  0.16  18
534626         05:16:55.1 +22:54:09 15.6        18
Positions are for J2000

Event circumstances last updated at 2022/03/30 23:17:29 UT

Marc W. Buie, Southwest Research Institute

RECON