RECON: TNO occultation with 534626

Event between (534626) 14UT224 and star GA1120:00888632 with event index number of 2162658

Geocentric closest approach at 2022/11/30 09:15:49 UTC

J2000 position of star is 04:59:20.0 +22:17:05
Equinox of date position of star is 05:00:42.0 +22:19:02
Stellar brightness G=13.8, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 101 degrees from the moon. Moon is 48% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 35.9 AU from the Sun and 34.9 AU from the Earth.
The TNO is moving 24.4 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 132 seconds.
The 1-sigma cross-track error in the shadow position is 1567 km.
The sky-plane scale is 25336.7 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=280.6 km assuming a 5% albedo -- 11.5 sec chord
Diameter=114.5 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 534626, (2022/11/30 09:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.3 +16:33:13  0.8  7.99  94
Alnath         05:27:44.5 +28:37:29  1.6  8.77 108
102Iot Tau     05:04:28.1 +21:37:14  4.6  1.12 101
PPM 093901     04:57:29.4 +22:36:39  8.5  0.80 100
PPM 093939     05:00:37.9 +22:37:03  9.7  0.30 101
534626         05:00:42.6 +22:19:03 13.8       101
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 29.1 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:14:24 -49.1 Dark Down 53.7 225.3 Up 09:02:55 - 09:25:53 10205
Kamloops 09:15:02 -56.6 Dark Down 59.9 204.1 Up 09:03:33 - 09:26:31 10023
Kelowna 09:14:59 -56.8 Dark Down 60.4 206.3 Up 09:03:30 - 09:26:28 9943
Peachland 09:15:00 -57.0 Dark Down 60.6 205.9 Up 09:03:31 - 09:26:29 9932
Summerland 09:14:59 -57.1 Dark Down 60.7 206.1 Up 09:03:30 - 09:26:28 9917
Penticton 09:14:58 -57.1 Dark Down 60.7 206.4 Up 09:03:29 - 09:26:27 9911
Oliver 09:14:59 -57.4 Dark Down 61.0 206.7 Up 09:03:30 - 09:26:28 9875
Anarchist Mountain Observatory 09:14:58 -57.4 Dark Down 61.1 207.2 Up 09:03:29 - 09:26:27 9859
Tonasket 09:14:58 -57.7 Dark Down 61.4 207.3 Up 09:03:29 - 09:26:27 9827
Victoria 09:15:11 -59.5 Dark Down 62.6 200.0 Up 09:03:42 - 09:26:40 9813
Okanogan 09:14:59 -58.0 Dark Down 61.8 207.3 Up 09:03:30 - 09:26:28 9794
Brewster 09:15:00 -58.3 Dark Down 62.1 207.2 Up 09:03:31 - 09:26:29 9767
Manson/Chelan 09:15:00 -58.6 Dark Down 62.4 206.6 Up 09:03:31 - 09:26:29 9746
Wenatchee 09:15:01 -59.1 Dark Down 62.8 206.7 Up 09:03:32 - 09:26:30 9698
Ellensburg 09:15:02 -59.5 Dark Down 63.3 206.7 Up 09:03:33 - 09:26:31 9656
Yakima 09:15:01 -59.8 Dark Down 63.6 207.0 Up 09:03:32 - 09:26:30 9615
Toppenish/White Swan 09:15:00 -59.9 Dark Down 63.8 207.5 Up 09:03:31 - 09:26:29 9592
PNWRO 09:14:55 -59.4 Dark Down 63.6 210.8 Up 09:03:26 - 09:26:24 9555
Goldendale 09:15:02 -60.5 Dark Down 64.4 207.2 Up 09:03:33 - 09:26:31 9536
The Dalles 09:15:03 -60.8 Dark Down 64.7 206.7 Up 09:03:34 - 09:26:32 9513
Maupin 09:15:02 -61.1 Dark Down 65.1 207.3 Up 09:03:33 - 09:26:31 9470
Sisters 09:15:03 -62.0 Dark Down 66.0 207.2 Up 09:03:34 - 09:26:32 9380
Bend 09:15:03 -62.0 Dark Down 66.1 208.0 Up 09:03:34 - 09:26:32 9355
Oregon Observatory 09:15:04 -62.2 Dark Down 66.3 207.9 Up 09:03:35 - 09:26:33 9337
North Lake 09:15:01 -62.4 Dark Down 66.7 209.8 Up 09:03:32 - 09:26:30 9271
Chiloquin 09:15:04 -63.4 Dark Down 67.6 208.5 Up 09:03:35 - 09:26:33 9201
Klamath Falls 09:15:03 -63.6 Dark Down 67.9 209.0 Up 09:03:34 - 09:26:32 9165
Lakeview 09:14:59 -62.8 Dark Down 67.4 212.2 Up 09:03:30 - 09:26:28 9160
Cedarville 09:14:58 -63.2 Dark Down 67.9 213.5 Up 09:03:29 - 09:26:27 9091
Fall River/Burney 09:15:03 -64.2 Dark Down 68.8 211.4 Up 09:03:34 - 09:26:32 9040
Dunrhomin 09:14:08 -54.2 Dark Down 60.4 240.9 Up 09:02:39 - 09:25:37 9015
CU-SBO 09:14:09 -54.3 Dark Down 60.6 241.2 Up 09:02:40 - 09:25:38 8988
Susanville 09:15:00 -64.2 Dark Down 69.0 214.0 Up 09:03:31 - 09:26:29 8973
Greenville 09:15:01 -64.5 Dark Down 69.4 213.7 Up 09:03:32 - 09:26:30 8944
Gimple 09:15:00 -64.5 Dark Down 69.3 213.9 Up 09:03:31 - 09:26:29 8944
Quincy 09:15:00 -64.7 Dark Down 69.5 214.0 Up 09:03:31 - 09:26:29 8923
Portola 09:14:58 -64.5 Dark Down 69.4 215.3 Up 09:03:29 - 09:26:27 8909
Reno 09:14:56 -64.2 Dark Down 69.4 217.2 Up 09:03:27 - 09:26:25 8881
Carson City 09:14:56 -64.4 Dark Down 69.6 217.8 Up 09:03:27 - 09:26:25 8842
Yerington 09:14:54 -64.2 Dark Down 69.5 219.6 Up 09:03:25 - 09:26:23 8822
Gardnerville 09:14:56 -64.6 Dark Down 69.8 218.3 Up 09:03:27 - 09:26:25 8816
Hawthorne 09:14:51 -64.1 Dark Down 69.6 221.5 Up 09:03:22 - 09:26:20 8772
Tonopah 09:14:47 -63.4 Dark Down 69.2 225.4 Up 09:03:18 - 09:26:16 8724
Lee Vining 09:14:53 -64.7 Dark Down 70.2 221.5 Up 09:03:24 - 09:26:22 8712
Bishop 09:14:51 -64.6 Dark Down 70.3 224.2 Up 09:03:22 - 09:26:20 8648
Beatty 09:14:44 -63.7 Dark Down 69.7 228.5 Up 09:03:15 - 09:26:13 8600
Indian Springs 09:14:41 -63.1 Dark Down 69.2 231.3 Up 09:03:12 - 09:26:10 8567
Henderson 09:14:38 -62.8 Dark Down 69.1 233.7 Up 09:03:09 - 09:26:07 8511
Patrick 09:14:34 -62.2 Dark Down 68.8 237.0 Up 09:03:05 - 09:26:03 8447
Kingman/Dolan Springs 09:14:34 -62.5 Dark Down 69.0 237.2 Up 09:03:05 - 09:26:03 8422
Laughlin/Bullhead City 09:14:37 -62.9 Dark Down 69.4 236.3 Up 09:03:08 - 09:26:06 8418
Mohave Valley 09:14:36 -63.0 Dark Down 69.5 236.9 Up 09:03:07 - 09:26:05 8388
Lake Havasu City 09:14:35 -62.9 Dark Down 69.6 238.3 Up 09:03:06 - 09:26:04 8346
Parker 09:14:35 -63.0 Dark Down 69.7 239.1 Up 09:03:06 - 09:26:04 8308
Wildwood 09:14:50 -66.3 Dark Down 72.6 230.9 Up 09:03:21 - 09:26:19 8294
George/Scottsdale 09:14:26 -61.3 Dark Down 68.2 243.9 Up 09:02:57 - 09:25:55 8271
Idyllwild 09:14:43 -65.0 Dark Down 71.6 235.7 Up 09:03:14 - 09:26:12 8257
Calipatria 09:14:39 -64.3 Dark Down 71.1 239.4 Up 09:03:10 - 09:26:08 8193
Yuma 09:14:36 -63.8 Dark Down 70.7 242.1 Up 09:03:07 - 09:26:05 8149

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, (2022/11/30 09:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  7.99  94
Alnath         05:26:17.6 +28:36:23  1.6  8.77 108
102Iot Tau     05:03:05.8 +21:35:23  4.6  1.12 101
PPM 093901     04:56:06.7 +22:34:34  8.5  0.80 100
PPM 093939     04:59:15.1 +22:35:04  9.7  0.30 101
534626         04:59:20.0 +22:17:05 13.8       101
Positions are for J2000

Event circumstances last updated at 2022/10/03 04:13:21 UT

Marc W. Buie, Southwest Research Institute

RECON