RECON: TNO occultation with 11UK413

Event between 11UK413 and star UC4-558-018009 with event index number of 226342

Geocentric closest approach at 2019/11/26 07:07:05 UTC

J2000 position of star is 05:36:24.5 +21:27:57
Equinox of date position of star is 05:37:29.0 +21:28:34
Stellar brightness R=16.5, use SENSEUP=128
Star is 155 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 42.0 AU from the Sun and 41.1 AU from the Earth.
The TNO is moving 23.9 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 1157 seconds.
The 1-sigma cross-track error in the shadow position is 5475 km.
The sky-plane scale is 29776.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=317.7 km assuming a 5% albedo -- 13.3 sec chord
Diameter=129.7 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 11UK413, (2019/11/26 07:07UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.0 +07:24:33  0.4 14.77 148
Alnath         05:27:33.1 +28:37:21  1.6  7.50 155
123Zet Tau     05:38:50.1 +21:09:10  3.0  0.43 155
PPM 094534     05:36:52.1 +21:24:52  7.3  0.18 155
11UK413        05:37:36.1 +21:28:37 16.5       155
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 0.8 sigma about the mid-time.
The median site spacing is 21.0 km RECON observability=1.0 and success probability=6.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:08:15 -61.0 Dark Down 52.8 126.3 Up 06:53:15 - 07:23:15 6981
Tonasket 07:08:15 -61.2 Dark Down 53.0 126.0 Up 06:53:15 - 07:23:15 6960
Okanogan 07:08:15 -61.5 Dark Down 53.1 125.5 Up 06:53:15 - 07:23:15 6934
Brewster 07:08:15 -61.7 Dark Down 53.1 124.9 Up 06:53:15 - 07:23:15 6915
Manson/Chelan 07:08:15 -61.9 Dark Down 53.1 124.3 Up 06:53:15 - 07:23:15 6905
Entiat 07:08:15 -62.0 Dark Down 53.1 123.9 Up 06:53:15 - 07:23:15 6888
Wenatchee 07:08:15 -62.3 Dark Down 53.2 123.5 Up 06:53:15 - 07:23:15 6868
Ellensburg 07:08:33 -62.6 Dark Down 53.4 122.9 Up 06:53:33 - 07:23:33 6824
Yakima 07:08:34 -63.0 Dark Down 53.6 122.4 Up 06:53:34 - 07:23:34 6787
Toppenish/White Swan 07:08:34 -63.2 Dark Down 53.8 122.4 Up 06:53:34 - 07:23:34 6763
Pasco 07:08:15 -63.6 Dark Down 54.6 123.7 Up 06:53:15 - 07:23:15 6736
Goldendale 07:08:36 -63.6 Dark Down 53.8 121.2 Up 06:53:36 - 07:23:36 6722
The Dalles 07:08:38 -63.8 Dark Down 53.7 120.5 Up 06:53:38 - 07:23:38 6709
PNWRO 07:08:15 -63.9 Dark Down 54.8 123.7 Up 06:53:15 - 07:23:15 6708
George/Umatilla 07:08:32 -63.9 Dark Down 54.6 123.1 Up 06:53:32 - 07:23:32 6699
Maupin 07:08:38 -64.2 Dark Down 54.0 120.1 Up 06:53:38 - 07:23:38 6668
Madras/Culver 07:08:40 -64.7 Dark Down 54.3 119.4 Up 06:53:40 - 07:23:40 6618
Sisters 07:08:42 -64.8 Dark Down 54.1 118.5 Up 06:53:42 - 07:23:42 6597
Redmond 07:08:40 -65.0 Dark Down 54.4 119.0 Up 06:53:40 - 07:23:40 6586
Bend 07:08:42 -65.1 Dark Down 54.4 118.5 Up 06:53:42 - 07:23:42 6569
Oregon Observatory 07:08:42 -65.2 Dark Down 54.4 118.2 Up 06:53:42 - 07:23:42 6556
La Pine/Gilchrist 07:08:43 -65.4 Dark Down 54.5 117.8 Up 06:53:43 - 07:23:43 6538
North Lake 07:08:42 -66.0 Dark Down 55.1 118.0 Up 06:53:42 - 07:23:42 6484
Chiloquin 07:08:46 -66.3 Dark Down 54.8 116.1 Up 06:53:46 - 07:23:46 6442
Paisley 07:08:42 -66.6 Dark Down 55.6 117.7 Up 06:53:42 - 07:23:42 6423
Klamath Falls 07:08:47 -66.6 Dark Down 55.0 115.7 Up 06:53:47 - 07:23:47 6407
Tulelake 07:08:46 -67.0 Dark Down 55.3 115.7 Up 06:53:46 - 07:23:46 6375
Lakeview 07:08:43 -67.1 Dark Down 55.9 117.3 Up 06:53:43 - 07:23:43 6371
Cedarville 07:08:44 -67.8 Dark Down 56.3 116.6 Up 06:53:44 - 07:23:44 6304
Fall River/Burney 07:08:48 -67.8 Dark Down 55.7 114.6 Up 06:53:48 - 07:23:48 6286
Susanville 07:08:47 -68.6 Dark Down 56.5 114.6 Up 06:53:47 - 07:23:47 6208
Greenville 07:08:49 -68.8 Dark Down 56.4 113.9 Up 06:53:49 - 07:23:49 6188
Gimple 07:08:49 -68.8 Dark Down 56.5 114.0 Up 06:53:49 - 07:23:49 6186
Quincy 07:08:49 -68.9 Dark Down 56.5 113.6 Up 06:53:49 - 07:23:49 6168
Portola 07:08:48 -69.2 Dark Down 56.9 114.0 Up 06:53:48 - 07:23:48 6145
Reno 07:08:46 -69.7 Dark Down 57.5 114.3 Up 06:53:46 - 07:23:46 6103
Carson City 07:08:47 -70.0 Dark Down 57.6 113.8 Up 06:53:47 - 07:23:47 6068
Gardnerville 07:08:48 -70.3 Dark Down 57.7 113.5 Up 06:53:48 - 07:23:48 6043
Yerington 07:08:45 -70.4 Dark Down 58.1 114.2 Up 06:53:45 - 07:23:45 6034
Hawthorne 07:08:45 -71.0 Dark Down 58.7 114.2 Up 06:53:45 - 07:23:45 5976
Lee Vining 07:08:48 -71.3 Dark Down 58.6 112.8 Up 06:53:48 - 07:23:48 5931
Tonopah 07:08:42 -71.9 Dark Down 59.9 115.1 Up 06:53:42 - 07:23:42 5896
Niwot 07:07:59 -70.3 Dark Down 66.2 136.5 Up 06:52:59 - 07:22:59 5861
Bishop 07:08:46 -72.1 Dark Down 59.3 112.7 Up 06:53:46 - 07:23:46 5855
Lone Pine 07:08:47 -72.9 Dark Down 59.9 111.8 Up 06:53:47 - 07:23:47 5771
Beatty 07:08:42 -73.1 Dark Down 60.7 113.8 Up 06:53:42 - 07:23:42 5770
Indian Springs 07:08:39 -73.7 Dark Down 61.6 114.5 Up 06:53:39 - 07:23:39 5713
CPSLO 07:08:57 -73.0 Dark Down 58.4 107.1 Up 06:53:57 - 07:23:57 5704
Henderson 07:08:38 -74.3 Dark Down 62.4 114.4 Up 06:53:38 - 07:23:38 5643
Searchlight/Boulder City 07:08:39 -74.9 Dark Down 62.6 113.5 Up 06:53:39 - 07:23:39 5583
Patrick 07:08:35 -75.2 Dark Down 63.4 114.7 Up 06:53:35 - 07:23:35 5554
Laughlin/Bullhead City 07:08:38 -75.3 Dark Down 63.0 113.4 Up 06:53:38 - 07:23:38 5545
Kingman/Dolan Springs 07:08:36 -75.3 Dark Down 63.4 114.1 Up 06:53:36 - 07:23:36 5535
Wildwood 07:08:53 -75.0 Dark Down 60.3 107.2 Up 06:53:53 - 07:23:53 5531
Mohave Valley 07:08:38 -75.5 Dark Down 63.1 112.9 Up 06:53:38 - 07:23:38 5517
DCO 07:08:33 -75.6 Dark Down 64.1 115.0 Up 06:53:33 - 07:23:33 5507
Lake Havasu City 07:08:38 -76.0 Dark Down 63.5 112.5 Up 06:53:38 - 07:23:38 5470
Idyllwild 07:08:47 -76.0 Dark Down 61.9 108.5 Up 06:53:47 - 07:23:47 5448
Parker 07:08:38 -76.3 Dark Down 63.6 111.9 Up 06:53:38 - 07:23:38 5433
Blythe 07:08:41 -76.7 Dark Down 63.6 110.5 Up 06:53:41 - 07:23:41 5386
Calipatria 07:08:44 -77.0 Dark Down 63.0 108.6 Up 06:53:44 - 07:23:44 5357
Yuma 07:08:42 -77.6 Dark Down 63.9 108.7 Up 06:53:42 - 07:23:42 5292

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, (2019/11/26 07:07UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.77 148
Alnath         05:26:17.5 +28:36:24  1.6  7.50 155
123Zet Tau     05:37:38.7 +21:08:33  3.0  0.43 155
PPM 094534     05:35:40.5 +21:24:11  7.3  0.18 155
11UK413        05:36:24.5 +21:27:57 16.5       155
Positions are for J2000

Event circumstances last updated at 2017/12/07 17:07:38 UT

Marc W. Buie, Southwest Research Institute

RECON