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 07:42:48 UTC

J2000 position of star is 05:36:24.5 +21:27:57
Equinox of date position of star is 05:37:32.2 +21:28:35
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 512 seconds.
The 1-sigma cross-track error in the shadow position is 2804 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 07:43UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.0 +07:24:33  0.4 14.77 149
Alnath         05:27:33.1 +28:37:21  1.6  7.50 156
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 1.8 sigma about the mid-time.
The median site spacing is 22.2 km RECON observability=1.0 and success probability=17.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 07:43:43 -61.0 Dark Down 56.3 139.1 Up 07:28:43 - 07:58:43 -114
Kelowna 07:43:43 -61.0 Dark Down 56.4 139.7 Up 07:28:43 - 07:58:43 -116
Penticton 07:43:43 -61.4 Dark Down 56.6 139.1 Up 07:28:43 - 07:58:43 -147
Okanagan Falls 07:43:44 -61.5 Dark Down 56.8 138.8 Up 07:28:44 - 07:58:44 -164
Oliver 07:43:44 -61.7 Dark Down 56.9 138.7 Up 07:28:44 - 07:58:44 -179
Anarchist Mountain Observatory 07:43:44 -61.9 Dark Down 57.1 138.8 Up 07:28:44 - 07:58:44 -198
Oroville 07:43:44 -62.0 Dark Down 57.2 138.6 Up 07:28:44 - 07:58:44 -204
Tonasket 07:43:45 -62.2 Dark Down 57.3 138.4 Up 07:28:45 - 07:58:45 -226
Okanogan 07:43:46 -62.5 Dark Down 57.5 137.8 Up 07:28:46 - 07:58:46 -254
Brewster 07:43:46 -62.8 Dark Down 57.6 137.2 Up 07:28:46 - 07:58:46 -276
Manson/Chelan 07:43:48 -63.0 Dark Down 57.6 136.5 Up 07:28:48 - 07:58:48 -289
Entiat 07:43:49 -63.2 Dark Down 57.7 136.1 Up 07:28:49 - 07:58:49 -309
Wenatchee 07:43:50 -63.5 Dark Down 57.9 135.7 Up 07:28:50 - 07:58:50 -331
Ellensburg 07:43:51 -63.9 Dark Down 58.1 134.9 Up 07:28:51 - 07:58:51 -366
Yakima 07:43:51 -64.3 Dark Down 58.3 134.4 Up 07:28:51 - 07:58:51 -404
Toppenish/White Swan 07:43:51 -64.5 Dark Down 58.6 134.4 Up 07:28:51 - 07:58:51 -427
Pasco 07:43:48 -64.6 Dark Down 59.3 136.2 Up 07:28:48 - 07:58:48 -461
Goldendale 07:43:54 -65.0 Dark Down 58.8 133.1 Up 07:28:54 - 07:58:54 -472
The Dalles 07:43:55 -65.2 Dark Down 58.7 132.3 Up 07:28:55 - 07:58:55 -487
PNWRO 07:43:48 -64.9 Dark Down 59.6 136.3 Up 07:28:48 - 07:58:48 -489
George/Umatilla 07:43:49 -65.0 Dark Down 59.4 135.5 Up 07:28:49 - 07:58:49 -490
Maupin 07:43:55 -65.7 Dark Down 59.1 132.0 Up 07:28:55 - 07:58:55 -529
Madras/Culver 07:43:57 -66.2 Dark Down 59.4 131.2 Up 07:28:57 - 07:58:57 -580
Sisters 07:43:58 -66.5 Dark Down 59.4 130.1 Up 07:28:58 - 07:58:58 -604
Redmond 07:43:57 -66.6 Dark Down 59.6 130.7 Up 07:28:57 - 07:58:57 -614
Bend 07:43:58 -66.8 Dark Down 59.7 130.2 Up 07:28:58 - 07:58:58 -632
Oregon Observatory 07:43:59 -66.9 Dark Down 59.7 129.8 Up 07:28:59 - 07:58:59 -646
La Pine/Gilchrist 07:43:59 -67.1 Dark Down 59.8 129.4 Up 07:28:59 - 07:58:59 -665
North Lake 07:43:58 -67.6 Dark Down 60.4 129.8 Up 07:28:58 - 07:58:58 -719
Chiloquin 07:44:02 -68.2 Dark Down 60.3 127.4 Up 07:29:02 - 07:59:02 -766
Paisley 07:43:58 -68.2 Dark Down 61.0 129.5 Up 07:28:58 - 07:58:58 -779
Klamath Falls 07:44:03 -68.6 Dark Down 60.6 127.1 Up 07:29:03 - 07:59:03 -801
Lakeview 07:43:58 -68.7 Dark Down 61.4 129.1 Up 07:28:58 - 07:58:58 -833
Tulelake 07:44:02 -68.9 Dark Down 60.9 127.1 Up 07:29:02 - 07:59:02 -833
Cedarville 07:43:59 -69.4 Dark Down 61.9 128.5 Up 07:28:59 - 07:58:59 -901
Fall River/Burney 07:44:03 -69.8 Dark Down 61.5 125.9 Up 07:29:03 - 07:59:03 -924
Susanville 07:44:02 -70.4 Dark Down 62.3 126.1 Up 07:29:02 - 07:59:02 -1002
Greenville 07:44:04 -70.7 Dark Down 62.3 125.2 Up 07:29:04 - 07:59:04 -1023
Gimple 07:44:03 -70.7 Dark Down 62.4 125.3 Up 07:29:03 - 07:59:03 -1025
Quincy 07:44:04 -70.9 Dark Down 62.4 124.9 Up 07:29:04 - 07:59:04 -1044
Portola 07:44:02 -71.1 Dark Down 62.8 125.4 Up 07:29:02 - 07:59:02 -1066
Reno 07:44:01 -71.3 Dark Down 63.4 126.0 Up 07:29:01 - 07:59:01 -1105
Carson City 07:44:01 -71.7 Dark Down 63.6 125.4 Up 07:29:01 - 07:59:01 -1142
Gardnerville 07:44:01 -71.9 Dark Down 63.7 125.1 Up 07:29:01 - 07:59:01 -1168
Yerington 07:44:00 -71.9 Dark Down 64.1 126.1 Up 07:29:00 - 07:59:00 -1174
Hawthorne 07:43:58 -72.4 Dark Down 64.7 126.1 Up 07:28:58 - 07:58:58 -1232
Lee Vining 07:44:01 -72.9 Dark Down 64.7 124.4 Up 07:29:01 - 07:59:01 -1279
Niwot 07:43:11 -67.4 Dark Down 70.0 156.2 Up 07:28:11 - 07:58:11 -1288
Tonopah 07:43:54 -72.8 Dark Down 65.8 127.6 Up 07:28:54 - 07:58:54 -1306
Bishop 07:43:59 -73.5 Dark Down 65.5 124.5 Up 07:28:59 - 07:58:59 -1355
Beatty 07:43:54 -73.9 Dark Down 66.8 126.3 Up 07:28:54 - 07:58:54 -1434
Lone Pine 07:43:59 -74.3 Dark Down 66.2 123.6 Up 07:28:59 - 07:58:59 -1439
Indian Springs 07:43:51 -74.0 Dark Down 67.7 127.5 Up 07:28:51 - 07:58:51 -1488
CPSLO 07:44:10 -75.5 Dark Down 65.0 117.3 Up 07:29:10 - 07:59:10 -1519
Henderson 07:43:50 -74.4 Dark Down 68.5 127.7 Up 07:28:50 - 07:58:50 -1556
Searchlight/Boulder City 07:43:50 -75.0 Dark Down 68.9 126.6 Up 07:28:50 - 07:58:50 -1617
Patrick 07:43:46 -74.8 Dark Down 69.6 128.5 Up 07:28:46 - 07:58:46 -1642
Laughlin/Bullhead City 07:43:49 -75.2 Dark Down 69.3 126.7 Up 07:28:49 - 07:58:49 -1654
Kingman/Dolan Springs 07:43:47 -75.0 Dark Down 69.6 127.7 Up 07:28:47 - 07:58:47 -1662
Mohave Valley 07:43:50 -75.4 Dark Down 69.4 126.1 Up 07:28:50 - 07:58:50 -1683
DCO 07:43:44 -74.8 Dark Down 70.2 129.2 Up 07:28:44 - 07:58:44 -1686
Wildwood 07:44:05 -76.8 Dark Down 67.1 117.8 Up 07:29:05 - 07:59:05 -1687
Lake Havasu City 07:43:49 -75.7 Dark Down 69.8 125.7 Up 07:28:49 - 07:58:49 -1729
Idyllwild 07:43:59 -77.0 Dark Down 68.6 119.9 Up 07:28:59 - 07:58:59 -1763
Parker 07:43:50 -76.1 Dark Down 70.1 124.9 Up 07:28:50 - 07:58:50 -1767
Blythe 07:43:51 -76.6 Dark Down 70.2 123.2 Up 07:28:51 - 07:58:51 -1816
Calipatria 07:43:55 -77.3 Dark Down 69.8 120.4 Up 07:28:55 - 07:58:55 -1850
Yuma 07:43:52 -77.5 Dark Down 70.6 120.9 Up 07:28:52 - 07:58:52 -1913

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 07:43UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.77 149
Alnath         05:26:17.5 +28:36:23  1.6  7.50 156
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 2018/10/25 20:35:11 UT

Marc W. Buie, Southwest Research Institute

RECON