RECON: TNO occultation with 11UK413

Event between 11UK413 and star GA1100:01247322 with event index number of 226342

Geocentric closest approach at 2019/11/26 07:07:04 UTC

J2000 position of star is 05:36:24.5 +21:27:57
Equinox of date position of star is 05:37:30.8 +21:28:34
Stellar brightness G=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 1176 seconds.
The 1-sigma cross-track error in the shadow position is 1968 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 23.0 km RECON observability=1.0 and success probability=16.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 07:08:15 -60.4 Dark Down 52.4 126.8 Up 06:53:15 - 07:23:15 -1633
Oroville 07:08:15 -61.0 Dark Down 52.8 126.3 Up 06:53:15 - 07:23:15 -1691
Tonasket 07:08:15 -61.2 Dark Down 53.0 126.0 Up 06:53:15 - 07:23:15 -1713
Okanogan 07:08:15 -61.5 Dark Down 53.1 125.5 Up 06:53:15 - 07:23:15 -1744
Brewster 07:08:15 -61.7 Dark Down 53.1 124.9 Up 06:53:15 - 07:23:15 -1767
Manson/Chelan 07:08:15 -61.9 Dark Down 53.1 124.3 Up 06:53:15 - 07:23:15 -1784
Entiat 07:08:15 -62.0 Dark Down 53.1 123.9 Up 06:53:15 - 07:23:15 -1804
Wenatchee 07:08:15 -62.3 Dark Down 53.2 123.5 Up 06:53:15 - 07:23:15 -1828
Ellensburg 07:08:15 -62.6 Dark Down 53.3 122.8 Up 06:53:15 - 07:23:15 -1867
Yakima 07:08:15 -63.0 Dark Down 53.5 122.3 Up 06:53:15 - 07:23:15 -1908
Toppenish/White Swan 07:08:15 -63.2 Dark Down 53.7 122.3 Up 06:53:15 - 07:23:15 -1931
Goldendale 07:08:33 -63.6 Dark Down 53.8 121.2 Up 06:53:33 - 07:23:33 -1935
The Dalles 07:08:34 -63.7 Dark Down 53.7 120.5 Up 06:53:34 - 07:23:34 -1948
Pasco 07:08:15 -63.6 Dark Down 54.6 123.7 Up 06:53:15 - 07:23:15 -1955
PNWRO 07:08:15 -63.9 Dark Down 54.8 123.7 Up 06:53:15 - 07:23:15 -1982
George/Umatilla 07:08:15 -63.9 Dark Down 54.6 123.0 Up 06:53:15 - 07:23:15 -1986
Maupin 07:08:35 -64.2 Dark Down 54.0 120.1 Up 06:53:35 - 07:23:35 -1989
Madras/Culver 07:08:36 -64.7 Dark Down 54.3 119.4 Up 06:53:36 - 07:23:36 -2039
Sisters 07:08:38 -64.8 Dark Down 54.1 118.5 Up 06:53:38 - 07:23:38 -2060
Redmond 07:08:37 -65.0 Dark Down 54.4 118.9 Up 06:53:37 - 07:23:37 -2071
Bend 07:08:38 -65.1 Dark Down 54.4 118.5 Up 06:53:38 - 07:23:38 -2088
Oregon Observatory 07:08:39 -65.2 Dark Down 54.4 118.1 Up 06:53:39 - 07:23:39 -2101
La Pine/Gilchrist 07:08:39 -65.4 Dark Down 54.5 117.8 Up 06:53:39 - 07:23:39 -2119
North Lake 07:08:39 -66.0 Dark Down 55.1 118.0 Up 06:53:39 - 07:23:39 -2173
Chiloquin 07:08:43 -66.3 Dark Down 54.8 116.0 Up 06:53:43 - 07:23:43 -2215
Paisley 07:08:39 -66.6 Dark Down 55.6 117.7 Up 06:53:39 - 07:23:39 -2234
Klamath Falls 07:08:43 -66.6 Dark Down 55.0 115.7 Up 06:53:43 - 07:23:43 -2250
Tulelake 07:08:43 -67.0 Dark Down 55.3 115.7 Up 06:53:43 - 07:23:43 -2282
Lakeview 07:08:40 -67.1 Dark Down 55.9 117.3 Up 06:53:40 - 07:23:40 -2286
Cedarville 07:08:40 -67.8 Dark Down 56.3 116.6 Up 06:53:40 - 07:23:40 -2353
Fall River/Burney 07:08:45 -67.8 Dark Down 55.7 114.6 Up 06:53:45 - 07:23:45 -2371
Susanville 07:08:44 -68.6 Dark Down 56.5 114.6 Up 06:53:44 - 07:23:44 -2449
Greenville 07:08:45 -68.8 Dark Down 56.4 113.9 Up 06:53:45 - 07:23:45 -2469
Gimple 07:08:45 -68.8 Dark Down 56.5 113.9 Up 06:53:45 - 07:23:45 -2471
Quincy 07:08:45 -68.9 Dark Down 56.5 113.6 Up 06:53:45 - 07:23:45 -2489
Portola 07:08:45 -69.2 Dark Down 56.9 113.9 Up 06:53:45 - 07:23:45 -2512
Reno 07:08:43 -69.7 Dark Down 57.4 114.3 Up 06:53:43 - 07:23:43 -2553
Carson City 07:08:44 -70.0 Dark Down 57.6 113.8 Up 06:53:44 - 07:23:44 -2589
Gardnerville 07:08:44 -70.2 Dark Down 57.7 113.5 Up 06:53:44 - 07:23:44 -2614
Yerington 07:08:42 -70.4 Dark Down 58.1 114.2 Up 06:53:42 - 07:23:42 -2623
Hawthorne 07:08:42 -71.0 Dark Down 58.7 114.1 Up 06:53:42 - 07:23:42 -2681
Lee Vining 07:08:44 -71.3 Dark Down 58.6 112.7 Up 06:53:44 - 07:23:44 -2726
Tonopah 07:08:38 -71.8 Dark Down 59.9 115.1 Up 06:53:38 - 07:23:38 -2760
Niwot 07:07:57 -70.3 Dark Down 66.2 136.5 Up 06:52:57 - 07:22:57 -2796
Bishop 07:08:43 -72.1 Dark Down 59.3 112.6 Up 06:53:43 - 07:23:43 -2802
Lone Pine 07:08:43 -72.9 Dark Down 59.9 111.8 Up 06:53:43 - 07:23:43 -2886
Beatty 07:08:39 -73.1 Dark Down 60.7 113.8 Up 06:53:39 - 07:23:39 -2887
Indian Springs 07:08:36 -73.7 Dark Down 61.6 114.5 Up 06:53:36 - 07:23:36 -2944
CPSLO 07:08:54 -73.0 Dark Down 58.3 107.1 Up 06:53:54 - 07:23:54 -2953
Henderson 07:08:34 -74.3 Dark Down 62.3 114.4 Up 06:53:34 - 07:23:34 -3014
Searchlight/Boulder City 07:08:35 -74.9 Dark Down 62.6 113.5 Up 06:53:35 - 07:23:35 -3074
Patrick 07:08:32 -75.2 Dark Down 63.4 114.7 Up 06:53:32 - 07:23:32 -3103
Laughlin/Bullhead City 07:08:34 -75.3 Dark Down 63.0 113.4 Up 06:53:34 - 07:23:34 -3112
Kingman/Dolan Springs 07:08:33 -75.3 Dark Down 63.4 114.0 Up 06:53:33 - 07:23:33 -3122
Wildwood 07:08:49 -75.0 Dark Down 60.3 107.2 Up 06:53:49 - 07:23:49 -3126
Mohave Valley 07:08:35 -75.5 Dark Down 63.1 112.9 Up 06:53:35 - 07:23:35 -3140
DCO 07:08:15 -75.6 Dark Down 64.0 114.9 Up 06:53:15 - 07:23:15 -3171
Lake Havasu City 07:08:35 -76.0 Dark Down 63.5 112.5 Up 06:53:35 - 07:23:35 -3187
Idyllwild 07:08:44 -76.0 Dark Down 61.9 108.4 Up 06:53:44 - 07:23:44 -3209
Parker 07:08:35 -76.3 Dark Down 63.6 111.8 Up 06:53:35 - 07:23:35 -3224
Blythe 07:08:37 -76.7 Dark Down 63.6 110.5 Up 06:53:37 - 07:23:37 -3271
Calipatria 07:08:41 -76.9 Dark Down 63.0 108.6 Up 06:53:41 - 07:23:41 -3300
Yuma 07:08:38 -77.6 Dark Down 63.9 108.7 Up 06:53:38 - 07:23:38 -3365

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 +28:36:23  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 2018/06/05 18:21:16 UT

Marc W. Buie, Southwest Research Institute

RECON