RECON: TNO occultation with 612582

Event between (612582) 03QY111 and star GA0960:00143240 with event index number of 2815868

Geocentric closest approach at 2024/11/13 08:41:57 UTC

J2000 position of star is 01:30:20.5 +06:22:27
Equinox of date position of star is 01:31:30.5 +06:29:20
Stellar brightness G=14.4, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 8 degrees from the moon. Moon is 91% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 42.7 AU from the Sun and 41.8 AU from the Earth.
The TNO is moving 21.8 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 282 seconds.
The 1-sigma cross-track error in the shadow position is 3885 km.
The sky-plane scale is 30330.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=226.0 km assuming a 5% albedo -- 10.4 sec chord
Diameter=92.2 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 612582, (2024/11/13 08:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.0 +16:33:26  0.8 46.47  54
68Omi Cet      02:20:36.3 -02:51:57  2.0 15.40  23
98Mu Psc       01:31:29.4 +06:16:16  4.8  0.23   8
PPM 144653     01:30:21.2 +07:25:18  6.4  0.97   8
98Mu Psc       01:31:29.4 +06:16:16  4.8  0.23   8
PPM 144667     01:31:20.4 +06:34:17 11.1  0.10   8
612582         01:31:38.4 +06:30:06 14.4         8
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 27.1 km RECON observability=1.0 and success probability=8.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 08:38:58 -55.8 Dark Up 34.8 230.7 Up 08:23:58 - 08:53:58 6601
Sleaford 08:38:29 -49.7 Dark Up 26.5 244.0 Low 08:23:29 - 08:53:29 6581
Kelowna 08:38:54 -56.3 Dark Up 34.8 232.0 Up 08:23:54 - 08:53:54 6514
Peachland 08:38:55 -56.5 Dark Up 35.0 231.8 Up 08:23:55 - 08:53:55 6508
Summerland 08:38:55 -56.6 Dark Up 35.1 232.0 Up 08:23:55 - 08:53:55 6493
Penticton 08:38:54 -56.6 Dark Up 35.1 232.1 Up 08:23:54 - 08:53:54 6485
Oliver 08:38:53 -56.9 Dark Up 35.3 232.3 Up 08:23:53 - 08:53:53 6452
Victoria 08:39:03 -58.5 Dark Up 37.6 228.6 Up 08:24:03 - 08:54:03 6446
Anarchist Mountain Observatory 08:38:53 -57.0 Dark Up 35.3 232.6 Up 08:23:53 - 08:53:53 6434
Tonasket 08:38:53 -57.3 Dark Up 35.5 232.7 Up 08:23:53 - 08:53:53 6406
Okanogan 08:38:53 -57.7 Dark Up 35.8 232.7 Up 08:23:53 - 08:53:53 6377
Brewster 08:38:54 -58.0 Dark Up 36.1 232.7 Up 08:23:54 - 08:53:54 6354
Manson/Chelan 08:38:54 -58.3 Dark Up 36.4 232.4 Up 08:23:54 - 08:53:54 6339
Wenatchee 08:38:54 -58.7 Dark Up 36.8 232.5 Up 08:23:54 - 08:53:54 6297
Ellensburg 08:38:54 -59.2 Dark Up 37.1 232.6 Up 08:23:54 - 08:53:54 6261
Yakima 08:38:54 -59.6 Dark Up 37.4 232.8 Up 08:23:54 - 08:53:54 6223
Toppenish/White Swan 08:38:54 -59.7 Dark Up 37.4 233.1 Up 08:23:54 - 08:53:54 6199
Goldendale 08:38:53 -60.3 Dark Up 38.0 233.0 Up 08:23:53 - 08:53:53 6153
PNWRO 08:38:49 -59.6 Dark Up 36.8 234.8 Up 08:23:49 - 08:53:49 6143
The Dalles 08:38:55 -60.6 Dark Up 38.3 232.7 Up 08:23:55 - 08:53:55 6137
Maupin 08:38:54 -61.0 Dark Up 38.5 233.1 Up 08:23:54 - 08:53:54 6095
Sisters 08:38:55 -61.9 Dark Up 39.3 233.2 Up 08:23:55 - 08:53:55 6018
Bend 08:38:54 -62.1 Dark Up 39.3 233.6 Up 08:23:54 - 08:53:54 5990
Oregon Observatory 08:38:55 -62.3 Dark Up 39.5 233.6 Up 08:23:55 - 08:53:55 5976
North Lake 08:38:53 -62.7 Dark Up 39.6 234.6 Up 08:23:53 - 08:53:53 5905
Chiloquin 08:38:55 -63.6 Dark Up 40.5 234.0 Up 08:23:55 - 08:53:55 5853
Klamath Falls 08:38:54 -63.9 Dark Up 40.7 234.4 Up 08:23:54 - 08:53:54 5818
Lakeview 08:38:50 -63.4 Dark Up 39.9 235.8 Up 08:23:50 - 08:53:50 5792
Cedarville 08:38:49 -63.9 Dark Up 40.1 236.5 Up 08:23:49 - 08:53:49 5724
Fall River/Burney 08:38:53 -64.8 Dark Up 41.1 235.6 Up 08:23:53 - 08:53:53 5695
Susanville 08:38:49 -65.1 Dark Up 41.0 236.8 Up 08:23:49 - 08:53:49 5620
Greenville 08:38:51 -65.4 Dark Up 41.4 236.7 Up 08:23:51 - 08:53:51 5597
Gimple 08:38:50 -65.4 Dark Up 41.3 236.8 Up 08:23:50 - 08:53:50 5596
Quincy 08:38:50 -65.6 Dark Up 41.5 236.8 Up 08:23:50 - 08:53:50 5577
Portola 08:38:49 -65.5 Dark Up 41.2 237.4 Up 08:23:49 - 08:53:49 5557
Reno 08:38:47 -65.5 Dark Up 41.0 238.3 Up 08:23:47 - 08:53:47 5519
Carson City 08:38:47 -65.8 Dark Up 41.1 238.5 Up 08:23:47 - 08:53:47 5483
Gardnerville 08:38:46 -66.0 Dark Up 41.2 238.8 Up 08:23:46 - 08:53:46 5457
Yerington 08:38:45 -65.7 Dark Up 40.8 239.3 Up 08:23:45 - 08:53:45 5453
Dunrhomin 08:38:09 -57.1 Dark Up 30.6 250.6 Up 08:23:09 - 08:53:09 5409
Hawthorne 08:38:42 -65.8 Dark Up 40.7 240.1 Up 08:23:42 - 08:53:42 5397
CU-SBO 08:38:09 -57.3 Dark Up 30.8 250.7 Up 08:23:09 - 08:53:09 5384
Lee Vining 08:38:44 -66.5 Dark Up 41.3 240.1 Up 08:23:44 - 08:53:44 5347
Tonopah 08:38:38 -65.5 Dark Up 40.0 241.8 Up 08:23:38 - 08:53:38 5328
Bishop 08:38:42 -66.6 Dark Up 41.1 241.2 Up 08:23:42 - 08:53:42 5274
Beatty 08:38:36 -66.1 Dark Up 40.2 243.1 Up 08:23:36 - 08:53:36 5201
Indian Springs 08:38:33 -65.7 Dark Up 39.6 244.3 Up 08:23:33 - 08:53:33 5152
Henderson 08:38:31 -65.7 Dark Up 39.3 245.3 Up 08:23:31 - 08:53:31 5086
Patrick 08:38:28 -65.5 Dark Up 38.7 246.7 Up 08:23:28 - 08:53:28 5004
Laughlin/Bullhead City 08:38:30 -66.0 Dark Up 39.4 246.3 Up 08:23:30 - 08:53:30 4989
Kingman/Dolan Springs 08:38:28 -65.7 Dark Up 39.0 246.7 Up 08:23:28 - 08:53:28 4984
Mohave Valley 08:38:30 -66.2 Dark Up 39.5 246.5 Up 08:23:30 - 08:53:30 4960
Wildwood 08:38:41 -69.2 Dark Up 42.8 243.7 Up 08:23:41 - 08:53:41 4938
Lake Havasu City 08:38:28 -66.3 Dark Up 39.4 247.0 Up 08:23:28 - 08:53:28 4914
Parker 08:38:27 -66.5 Dark Up 39.6 247.3 Up 08:23:27 - 08:53:27 4877
Idyllwild 08:38:35 -68.3 Dark Up 41.5 245.6 Up 08:23:35 - 08:53:35 4870
George/Scottsdale 08:38:20 -65.1 Dark Up 37.9 249.5 Up 08:23:20 - 08:53:20 4798
Calipatria 08:38:31 -68.0 Dark Up 40.9 247.1 Up 08:23:31 - 08:53:31 4788
Yuma 08:38:28 -67.6 Dark Up 40.4 248.1 Up 08:23:28 - 08:53:28 4728

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 612582, (2024/11/13 08:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 46.47  54
68Omi Cet      02:19:20.8 -02:58:45  2.0 15.40  23
98Mu Psc       01:30:11.6 +06:08:37  4.8  0.23   8
PPM 144653     01:29:03.1 +07:17:38  6.4  0.97   8
98Mu Psc       01:30:11.6 +06:08:37  4.8  0.23   8
PPM 144667     01:30:02.5 +06:26:37 11.1  0.10   8
612582         01:30:20.5 +06:22:27 14.4         8
Positions are for J2000

Event circumstances last updated at 2022/05/03 23:50:53 UT

Marc W. Buie, Southwest Research Institute

RECON