RECON: TNO occultation with 03QY111

Event between 03QY111 and star GA0960:00130477 with event index number of 1357279

Geocentric closest approach at 2024/11/13 08:41:34 UTC

J2000 position of star is 01:30:20.5 +06:22:27
Equinox of date position of star is 01:31:28.9 +06:29:10
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=23.3

[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 3897 km.
The sky-plane scale is 30330.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=203.2 km assuming a 5% albedo -- 10.9 sec chord
Diameter=83.0 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03QY111, (2024/11/13 08:42UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.0 +16:33:27  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
03QY111        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 25.5 km RECON observability=1.0 and success probability=7.6%
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 08:38:31 -55.9 Dark Up 34.6 231.9 Up 08:23:31 - 08:53:31 6683
Kelowna 08:38:32 -56.3 Dark Up 34.9 231.9 Up 08:23:32 - 08:53:32 6649
Peachland 08:38:33 -56.5 Dark Up 35.1 231.7 Up 08:23:33 - 08:53:33 6643
Summerland 08:38:32 -56.6 Dark Up 35.1 231.9 Up 08:23:32 - 08:53:32 6628
Penticton 08:38:32 -56.6 Dark Up 35.1 232.0 Up 08:23:32 - 08:53:32 6620
Oliver 08:38:31 -57.0 Dark Up 35.3 232.2 Up 08:23:31 - 08:53:31 6587
Victoria 08:38:40 -58.5 Dark Up 37.7 228.5 Up 08:23:40 - 08:53:40 6581
Anarchist Mountain Observatory 08:38:30 -57.1 Dark Up 35.3 232.5 Up 08:23:30 - 08:53:30 6569
Tonasket 08:38:30 -57.4 Dark Up 35.6 232.6 Up 08:23:30 - 08:53:30 6541
Okanogan 08:38:30 -57.7 Dark Up 35.9 232.6 Up 08:23:30 - 08:53:30 6512
Brewster 08:38:30 -58.0 Dark Up 36.1 232.6 Up 08:23:30 - 08:53:30 6489
Manson/Chelan 08:38:31 -58.3 Dark Up 36.4 232.3 Up 08:23:31 - 08:53:31 6474
Wenatchee 08:38:31 -58.8 Dark Up 36.8 232.4 Up 08:23:31 - 08:53:31 6432
Ellensburg 08:38:32 -59.2 Dark Up 37.2 232.5 Up 08:23:32 - 08:53:32 6396
Yakima 08:38:31 -59.6 Dark Up 37.5 232.7 Up 08:23:31 - 08:53:31 6358
Toppenish/White Swan 08:38:30 -59.7 Dark Up 37.5 233.0 Up 08:23:30 - 08:53:30 6335
Pasco 08:38:27 -59.5 Dark Up 36.9 234.4 Up 08:23:27 - 08:53:27 6305
Goldendale 08:38:31 -60.4 Dark Up 38.1 232.9 Up 08:23:31 - 08:53:31 6288
PNWRO 08:38:26 -59.6 Dark Up 36.9 234.7 Up 08:23:26 - 08:53:26 6278
The Dalles 08:38:31 -60.7 Dark Up 38.4 232.6 Up 08:23:31 - 08:53:31 6272
Maupin 08:38:31 -61.0 Dark Up 38.6 233.0 Up 08:23:31 - 08:53:31 6230
Sisters 08:38:32 -62.0 Dark Up 39.4 233.1 Up 08:23:32 - 08:53:32 6153
Redmond 08:38:31 -61.9 Dark Up 39.2 233.5 Up 08:23:31 - 08:53:31 6144
Bend 08:38:31 -62.1 Dark Up 39.4 233.5 Up 08:23:31 - 08:53:31 6126
Oregon Observatory 08:38:31 -62.3 Dark Up 39.6 233.5 Up 08:23:31 - 08:53:31 6111
La Pine/Gilchrist 08:38:32 -62.5 Dark Up 39.7 233.6 Up 08:23:32 - 08:53:32 6092
North Lake 08:38:30 -62.7 Dark Up 39.6 234.5 Up 08:23:30 - 08:53:30 6040
Chiloquin 08:38:32 -63.6 Dark Up 40.6 233.9 Up 08:23:32 - 08:53:32 5989
Paisley 08:38:28 -63.1 Dark Up 39.7 235.2 Up 08:23:28 - 08:53:28 5980
Klamath Falls 08:38:31 -63.9 Dark Up 40.8 234.3 Up 08:23:31 - 08:53:31 5954
Lakeview 08:38:27 -63.5 Dark Up 39.9 235.7 Up 08:23:27 - 08:53:27 5927
Cedarville 08:38:26 -64.0 Dark Up 40.2 236.4 Up 08:23:26 - 08:53:26 5859
Fall River/Burney 08:38:29 -64.8 Dark Up 41.2 235.5 Up 08:23:29 - 08:53:29 5830
Susanville 08:38:26 -65.1 Dark Up 41.1 236.7 Up 08:23:26 - 08:53:26 5756
Greenville 08:38:27 -65.5 Dark Up 41.4 236.6 Up 08:23:27 - 08:53:27 5733
Gimple 08:38:27 -65.4 Dark Up 41.4 236.7 Up 08:23:27 - 08:53:27 5731
Quincy 08:38:28 -65.6 Dark Up 41.5 236.8 Up 08:23:28 - 08:53:28 5712
Portola 08:38:25 -65.6 Dark Up 41.3 237.3 Up 08:23:25 - 08:53:25 5692
Reno 08:38:23 -65.5 Dark Up 41.0 238.2 Up 08:23:23 - 08:53:23 5655
Carson City 08:38:23 -65.8 Dark Up 41.2 238.4 Up 08:23:23 - 08:53:23 5618
Gardnerville 08:38:23 -66.0 Dark Up 41.3 238.7 Up 08:23:23 - 08:53:23 5592
Yerington 08:38:22 -65.7 Dark Up 40.9 239.2 Up 08:23:22 - 08:53:22 5588
Dunrhomin 08:37:46 -57.2 Dark Up 30.7 250.5 Up 08:22:46 - 08:52:46 5543
Hawthorne 08:38:20 -65.8 Dark Up 40.8 240.1 Up 08:23:20 - 08:53:20 5532
Lee Vining 08:38:20 -66.5 Dark Up 41.4 240.0 Up 08:23:20 - 08:53:20 5483
Tonopah 08:38:15 -65.5 Dark Up 40.0 241.7 Up 08:23:15 - 08:53:15 5463
Bishop 08:38:18 -66.6 Dark Up 41.2 241.2 Up 08:23:18 - 08:53:18 5410
Beatty 08:38:13 -66.2 Dark Up 40.3 243.0 Up 08:23:13 - 08:53:13 5337
Indian Springs 08:38:10 -65.8 Dark Up 39.6 244.2 Up 08:23:10 - 08:53:10 5287
CPSLO 08:38:25 -69.4 Dark Up 43.8 240.7 Up 08:23:25 - 08:53:25 5234
Henderson 08:38:08 -65.8 Dark Up 39.4 245.2 Up 08:23:08 - 08:53:08 5221
Patrick 08:38:04 -65.5 Dark Up 38.8 246.6 Up 08:23:04 - 08:53:04 5139
Laughlin/Bullhead City 08:38:06 -66.1 Dark Up 39.4 246.2 Up 08:23:06 - 08:53:06 5124
Kingman/Dolan Springs 08:38:05 -65.8 Dark Up 39.0 246.6 Up 08:23:05 - 08:53:05 5119
Mohave Valley 08:38:06 -66.3 Dark Up 39.5 246.4 Up 08:23:06 - 08:53:06 5095
Wildwood 08:38:18 -69.2 Dark Up 42.9 243.6 Up 08:23:18 - 08:53:18 5073
Lake Havasu City 08:38:05 -66.4 Dark Up 39.5 246.9 Up 08:23:05 - 08:53:05 5049
Parker 08:38:04 -66.6 Dark Up 39.6 247.2 Up 08:23:04 - 08:53:04 5012
Idyllwild 08:38:12 -68.4 Dark Up 41.6 245.5 Up 08:23:12 - 08:53:12 5006
Blythe 08:38:05 -67.1 Dark Up 40.1 247.4 Up 08:23:05 - 08:53:05 4961
George/Scottsdale 08:37:58 -65.2 Dark Up 37.9 249.5 Up 08:22:58 - 08:52:58 4933
Calipatria 08:38:08 -68.0 Dark Up 41.0 247.0 Up 08:23:08 - 08:53:08 4923
Yuma 08:38:05 -67.7 Dark Up 40.4 248.1 Up 08:23:05 - 08:53:05 4863

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 03QY111, (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       01:30:11.5 +06:08:37  4.8  0.23   8
PPM 144653     01:29:03.1 +07:17:38  6.4  0.97   8
98Mu Psc       01:30:11.5 +06:08:37  4.8  0.23   8
PPM 144667     01:30:02.5 +06:26:37 11.1  0.10   8
03QY111        01:30:20.5 +06:22:27 14.4         8
Positions are for J2000

Event circumstances last updated at 2021/10/31 23:09:49 UT

Marc W. Buie, Southwest Research Institute

RECON