RECON: TNO occultation with 11UK413

Event between 11UK413 and star GA1100:01352759 with event index number of 1006278

Geocentric closest approach at 2020/11/11 10:17:35 UTC

J2000 position of star is 05:43:05.5 +21:13:36
Equinox of date position of star is 05:44:18.0 +21:14:05
Stellar brightness G=16.9, use SENSEUP=128
Star is 91 degrees from the moon. Moon is 20% illuminated.
TNO apparent brightness V=26.3

[RECON map]
TNO is 42.1 AU from the Sun and 41.3 AU from the Earth.
The TNO is moving 20.0 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 313 seconds.
The 1-sigma cross-track error in the shadow position is 1976 km.
The sky-plane scale is 29925.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=295.1 km assuming a 5% albedo -- 3.0 sec chord
Diameter=120.5 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 11UK413, (2020/11/11 10:18UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:18.1 +07:24:33  0.4 14.12  89
Alnath         05:27:36.8 +28:37:23  1.6  8.30  93
PPM 094621     05:40:42.4 +21:46:22  6.4  1.00  91
PPM 094742     05:44:37.1 +21:25:26  8.5  0.20  90
PPM 094724     05:44:03.7 +21:23:51  9.8  0.18  91
11UK413        05:44:20.4 +21:14:06 16.9        90
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 2.9 sigma about the mid-time.
The median site spacing is 24.3 km RECON observability=1.0 and success probability=26.0%
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 10:17:19 -44.9 Dark Up 61.0 180.5 Up 10:02:19 - 10:32:19 781
Kelowna 10:17:19 -45.2 Dark Up 61.4 180.2 Up 10:02:19 - 10:32:19 744
Peachland 10:17:20 -45.4 Dark Up 61.5 179.7 Up 10:02:20 - 10:32:20 736
Summerland 10:17:20 -45.5 Dark Up 61.6 179.8 Up 10:02:20 - 10:32:20 721
Penticton 10:17:20 -45.4 Dark Up 61.7 180.1 Up 10:02:20 - 10:32:20 713
Oliver 10:17:20 -45.6 Dark Up 62.0 180.0 Up 10:02:20 - 10:32:20 679
Anarchist Mountain Observatory 10:17:19 -45.6 Dark Up 62.2 180.4 Up 10:02:19 - 10:32:19 661
Victoria 10:17:34 -48.1 Dark Up 62.5 172.4 Up 10:02:34 - 10:32:34 650
Tonasket 10:17:20 -45.8 Dark Up 62.5 180.3 Up 10:02:20 - 10:32:20 631
Okanogan 10:17:20 -46.0 Dark Up 62.9 180.0 Up 10:02:20 - 10:32:20 599
Brewster 10:17:22 -46.3 Dark Up 63.1 179.6 Up 10:02:22 - 10:32:22 574
Manson/Chelan 10:17:23 -46.6 Dark Up 63.3 178.8 Up 10:02:23 - 10:32:23 557
Entiat 10:17:24 -46.8 Dark Up 63.6 178.7 Up 10:02:24 - 10:32:24 536
Wenatchee 10:17:24 -47.0 Dark Up 63.8 178.5 Up 10:02:24 - 10:32:24 512
Ellensburg 10:17:25 -47.3 Dark Up 64.2 178.0 Up 10:02:25 - 10:32:25 473
Yakima 10:17:25 -47.5 Dark Up 64.6 177.9 Up 10:02:25 - 10:32:25 432
Toppenish/White Swan 10:17:25 -47.5 Dark Up 64.8 178.3 Up 10:02:25 - 10:32:25 409
Pasco 10:17:20 -46.8 Dark Up 65.0 181.0 Up 10:02:20 - 10:32:20 386
PNWRO 10:17:19 -46.8 Dark Up 65.2 181.5 Up 10:02:19 - 10:32:19 359
Goldendale 10:17:27 -48.0 Dark Up 65.4 177.3 Up 10:02:27 - 10:32:27 358
The Dalles 10:17:28 -48.4 Dark Up 65.6 176.5 Up 10:02:28 - 10:32:28 339
Maupin 10:17:28 -48.5 Dark Up 66.0 176.6 Up 10:02:28 - 10:32:28 296
Sisters 10:17:31 -49.2 Dark Up 66.9 175.4 Up 10:02:31 - 10:32:31 212
Redmond 10:17:29 -49.0 Dark Up 66.9 176.3 Up 10:02:29 - 10:32:29 205
Bend 10:17:30 -49.2 Dark Up 67.1 175.9 Up 10:02:30 - 10:32:30 185
Oregon Observatory 10:17:30 -49.4 Dark Up 67.3 175.6 Up 10:02:30 - 10:32:30 169
La Pine/Gilchrist 10:17:31 -49.5 Dark Up 67.5 175.4 Up 10:02:31 - 10:32:31 149
North Lake 10:17:29 -49.3 Dark Up 68.0 176.8 Up 10:02:29 - 10:32:29 98
Paisley 10:17:28 -49.3 Dark Up 68.5 177.6 Up 10:02:28 - 10:32:28 38
Klamath Falls 10:17:33 -50.3 Dark Up 68.9 174.4 Up 10:02:33 - 10:32:33 3
Lakeview 10:17:27 -49.4 Dark Up 69.0 178.1 Up 10:02:27 - 10:32:27 -16
Cedarville 10:17:27 -49.6 Dark Up 69.7 178.5 Up 10:02:27 - 10:32:27 -85
Fall River/Burney 10:17:32 -50.6 Dark Up 70.1 175.2 Up 10:02:32 - 10:32:32 -123
Susanville 10:17:30 -50.4 Dark Up 70.8 177.1 Up 10:02:30 - 10:32:30 -196
Greenville 10:17:31 -50.7 Dark Up 71.1 176.2 Up 10:02:31 - 10:32:31 -222
Gimple 10:17:31 -50.6 Dark Up 71.1 176.4 Up 10:02:31 - 10:32:31 -223
Quincy 10:17:31 -50.8 Dark Up 71.3 176.2 Up 10:02:31 - 10:32:31 -243
Portola 10:17:29 -50.5 Dark Up 71.4 177.5 Up 10:02:29 - 10:32:29 -261
Reno 10:17:27 -50.1 Dark Up 71.7 179.4 Up 10:02:27 - 10:32:27 -295
Niwot 10:16:25 -39.4 Dark Up 67.6 216.8 Up 10:01:25 - 10:31:25 -322
Carson City 10:17:27 -50.2 Dark Up 72.0 179.4 Up 10:02:27 - 10:32:27 -333
SwRI 10:16:26 -39.5 Dark Up 67.7 216.8 Up 10:01:26 - 10:31:26 -334
Gardnerville 10:17:27 -50.3 Dark Up 72.3 179.6 Up 10:02:27 - 10:32:27 -359
Yerington 10:17:24 -49.9 Dark Up 72.2 181.3 Up 10:02:24 - 10:32:24 -360
Hawthorne 10:17:22 -49.6 Dark Up 72.7 183.0 Up 10:02:22 - 10:32:22 -414
Lee Vining 10:17:25 -50.2 Dark Up 73.3 181.6 Up 10:02:25 - 10:32:25 -468
Tonopah 10:17:16 -48.8 Dark Up 73.0 187.5 Up 10:02:16 - 10:32:16 -476
Bishop 10:17:22 -49.9 Dark Up 73.8 184.0 Up 10:02:22 - 10:32:22 -539
Beatty 10:17:15 -48.8 Dark Up 74.1 189.6 Up 10:02:15 - 10:32:15 -603
Indian Springs 10:17:10 -48.0 Dark Up 74.3 193.4 Up 10:02:10 - 10:32:10 -646
Henderson 10:17:07 -47.6 Dark Up 74.7 196.2 Up 10:02:07 - 10:32:07 -709
CPSLO 10:17:33 -52.2 Dark Up 75.9 176.1 Up 10:02:33 - 10:32:33 -735
Searchlight/Boulder City 10:17:07 -47.7 Dark Up 75.2 197.1 Up 10:02:07 - 10:32:07 -771
Patrick 10:17:03 -46.9 Dark Up 75.0 200.7 Up 10:02:03 - 10:32:03 -785
Laughlin/Bullhead City 10:17:06 -47.5 Dark Up 75.4 198.6 Up 10:02:06 - 10:32:06 -806
Kingman/Dolan Springs 10:17:04 -47.1 Dark Up 75.2 200.4 Up 10:02:04 - 10:32:04 -807
DCO 10:17:00 -46.4 Dark Up 75.0 203.5 Up 10:02:00 - 10:32:00 -822
Mohave Valley 10:17:06 -47.6 Dark Up 75.7 199.0 Up 10:02:06 - 10:32:06 -835
Lake Havasu City 10:17:05 -47.5 Dark Up 76.0 200.4 Up 10:02:05 - 10:32:05 -880
Wildwood 10:17:24 -50.9 Dark Up 77.1 184.2 Up 10:02:24 - 10:32:24 -886
Parker 10:17:05 -47.5 Dark Up 76.3 201.0 Up 10:02:05 - 10:32:05 -918
Idyllwild 10:17:16 -49.5 Dark Up 77.2 192.1 Up 10:02:16 - 10:32:16 -943
Blythe 10:17:07 -47.9 Dark Up 76.9 200.7 Up 10:02:07 - 10:32:07 -973
George/Scottsdale 10:16:54 -45.6 Dark Up 75.8 210.3 Up 10:01:54 - 10:31:54 -981
Calipatria 10:17:11 -48.7 Dark Up 77.6 197.7 Up 10:02:11 - 10:32:11 -1019
Yuma 10:17:07 -48.1 Dark Up 77.7 202.0 Up 10:02:07 - 10:32:07 -1073

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 11UK413, (2020/11/11 10:18UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.12  89
Alnath         05:26:17.5 +28:36:23  1.6  8.30  93
PPM 094621     05:39:27.1 +21:45:46  6.4  1.00  91
PPM 094742     05:43:22.0 +21:24:57  8.5  0.20  90
PPM 094724     05:42:48.7 +21:23:21  9.8  0.18  91
11UK413        05:43:05.5 +21:13:36 16.9        91
Positions are for J2000

Event circumstances last updated at 2020/03/10 22:23:00 UT

Marc W. Buie, Southwest Research Institute

RECON