RECON: TNO occultation with 14KD102

Event between 14KD102 and star GA0720:16644880 with event index number of 1050242

Geocentric closest approach at 2020/04/24 10:42:58 UTC

J2000 position of star is 17:52:31.7 -16:29:10
Equinox of date position of star is 17:53:39.1 -16:29:22
Stellar brightness G=15.7, use SENSEUP=128
Star is 141 degrees from the moon. Moon is 2% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 30.8 AU from the Sun and 30.2 AU from the Earth.
The TNO is moving 11.6 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 1179 seconds.
The 1-sigma cross-track error in the shadow position is 1157 km.
The sky-plane scale is 21894.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 17.2 sec chord
Diameter=81.8 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KD102, (2020/04/24 10:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:39.4 -26:28:31  0.9 21.70 158
35Eta Oph      17:11:32.7 -15:44:55  2.6 10.15 151
PPM 233766     17:57:29.2 -15:48:52  6.1  1.13 140
PPM 233699     17:53:32.1 -16:39:20  8.3  0.17 141
14KD102        17:53:42.2 -16:29:22 15.7       141
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 9.5 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)
Kelowna 10:46:29 -16.7 AT Down 22.6 166.5 Low 10:31:29 - 11:01:29 11235
Summerland 10:46:31 -17.1 AT Down 22.9 166.2 Low 10:31:31 - 11:01:31 11214
Penticton 10:46:27 -17.1 AT Down 23.0 166.3 Low 10:31:27 - 11:01:27 11213
Okanagan Falls 10:46:28 -17.2 AT Down 23.1 166.3 Low 10:31:28 - 11:01:28 11203
Oliver 10:46:31 -17.3 AT Down 23.3 166.3 Low 10:31:31 - 11:01:31 11196
Anarchist Mountain Observatory 10:46:29 -17.4 AT Down 23.5 166.5 Low 10:31:29 - 11:01:29 11192
Oroville 10:46:29 -17.4 AT Down 23.6 166.4 Low 10:31:29 - 11:01:29 11186
Tonasket 10:46:28 -17.6 AT Down 23.8 166.3 Low 10:31:28 - 11:01:28 11174
Okanogan 10:46:30 -17.9 AT Down 24.1 166.2 Low 10:31:30 - 11:01:30 11154
Brewster 10:46:32 -18.2 Dark Down 24.3 165.9 Low 10:31:32 - 11:01:32 11135
Manson/Chelan 10:46:32 -18.5 Dark Down 24.5 165.5 Low 10:31:32 - 11:01:32 11114
Entiat 10:46:33 -18.7 Dark Down 24.7 165.4 Low 10:31:33 - 11:01:33 11101
Wenatchee 10:46:34 -18.9 Dark Down 24.9 165.3 Low 10:31:34 - 11:01:34 11085
Ellensburg 10:46:34 -19.3 Dark Down 25.3 165.0 Low 10:31:34 - 11:01:34 11057
Pasco 10:46:26 -19.2 Dark Down 26.2 166.4 Low 10:31:26 - 11:01:26 11053
Niwot 10:44:56 -15.3 AT Down 33.4 181.0 Up 10:29:56 - 10:59:56 11048
PNWRO 10:46:25 -19.3 Dark Down 26.5 166.6 Low 10:31:25 - 11:01:25 11045
SwRI 10:44:54 -15.5 AT Down 33.5 180.9 Up 10:29:54 - 10:59:54 11039
Yakima 10:46:34 -19.6 Dark Down 25.7 165.0 Low 10:31:34 - 11:01:34 11035
George/Umatilla 10:46:27 -19.6 Dark Down 26.5 166.1 Low 10:31:27 - 11:01:27 11029
Toppenish/White Swan 10:46:33 -19.7 Dark Down 25.9 165.1 Low 10:31:33 - 11:01:33 11027
Goldendale 10:46:38 -20.3 Dark Down 26.3 164.6 Low 10:31:38 - 11:01:38 10986
The Dalles 10:46:41 -20.7 Dark Down 26.5 164.2 Low 10:31:41 - 11:01:41 10964
Maupin 10:46:40 -20.9 Dark Down 26.9 164.2 Low 10:31:40 - 11:01:40 10943
Madras/Culver 10:46:40 -21.3 Dark Down 27.4 164.1 Low 10:31:40 - 11:01:40 10910
Redmond 10:46:41 -21.6 Dark Down 27.8 164.0 Low 10:31:41 - 11:01:41 10888
Sisters 10:46:43 -21.8 Dark Down 27.7 163.6 Low 10:31:43 - 11:01:43 10879
Bend 10:46:40 -21.8 Dark Down 28.0 163.8 Low 10:31:40 - 11:01:40 10872
Oregon Observatory 10:46:41 -22.0 Dark Down 28.1 163.7 Low 10:31:41 - 11:01:41 10858
La Pine/Gilchrist 10:46:42 -22.2 Dark Down 28.3 163.6 Low 10:31:42 - 11:01:42 10844
North Lake 10:46:37 -22.2 Dark Down 28.8 164.1 Low 10:31:37 - 11:01:37 10835
Paisley 10:46:36 -22.4 Dark Down 29.4 164.4 Low 10:31:36 - 11:01:36 10811
Lakeview 10:46:34 -22.7 Dark Down 29.9 164.6 Low 10:31:34 - 11:01:34 10786
Chiloquin 10:46:45 -23.2 Dark Down 29.3 163.0 Low 10:31:45 - 11:01:45 10767
Cedarville 10:46:34 -23.1 Dark Down 30.6 164.7 Up 10:31:34 - 11:01:34 10750
Klamath Falls 10:46:43 -23.4 Dark Down 29.6 163.1 Low 10:31:43 - 11:01:43 10748
Tulelake 10:46:42 -23.4 Dark Down 29.9 163.4 Low 10:31:42 - 11:01:42 10740
Fall River/Burney 10:46:40 -24.1 Dark Down 30.8 163.3 Up 10:31:40 - 11:01:40 10686
Susanville 10:46:34 -24.1 Dark Down 31.6 164.0 Up 10:31:34 - 11:01:34 10666
Gimple 10:46:37 -24.4 Dark Down 31.8 163.7 Up 10:31:37 - 11:01:37 10643
Greenville 10:46:40 -24.5 Dark Down 31.8 163.6 Up 10:31:40 - 11:01:40 10640
Reno 10:46:33 -24.3 Dark Down 32.6 164.7 Up 10:31:33 - 11:01:33 10634
Portola 10:46:36 -24.5 Dark Down 32.2 164.1 Up 10:31:36 - 11:01:36 10633
Quincy 10:46:39 -24.6 Dark Down 32.0 163.6 Up 10:31:39 - 11:01:39 10627
Yerington 10:46:25 -24.3 Dark Down 33.3 165.3 Up 10:31:25 - 11:01:25 10617
Carson City 10:46:29 -24.5 Dark Down 32.9 164.7 Up 10:31:29 - 11:01:29 10611
Tonopah 10:46:12 -23.9 Dark Down 34.5 167.3 Up 10:31:12 - 11:01:12 10610
Hawthorne 10:46:24 -24.3 Dark Down 33.8 165.8 Up 10:31:24 - 11:01:24 10601
Gardnerville 10:46:30 -24.7 Dark Down 33.2 164.7 Up 10:31:30 - 11:01:30 10597
Indian Springs 10:46:02 -23.9 Dark Down 36.2 168.8 Up 10:31:02 - 11:01:02 10555
Lee Vining 10:46:26 -25.0 Dark Down 34.3 165.2 Up 10:31:26 - 11:01:26 10550
Beatty 10:46:12 -24.3 Dark Down 35.7 167.7 Up 10:31:12 - 11:01:12 10546
Henderson 10:45:56 -23.8 Dark Down 36.8 169.6 Up 10:30:56 - 11:00:56 10538
Bishop 10:46:22 -25.0 Dark Down 35.0 165.9 Up 10:31:22 - 11:01:22 10531
Patrick 10:45:47 -23.5 Dark Down 37.6 170.8 Up 10:30:47 - 11:00:47 10527
DCO 10:45:43 -23.3 Dark Down 38.0 171.6 Up 10:30:43 - 11:00:43 10526
Kingman/Dolan Springs 10:45:48 -23.8 Dark Down 37.8 170.5 Up 10:30:48 - 11:00:48 10506
Searchlight/Boulder City 10:45:57 -24.1 Dark Down 37.4 169.6 Up 10:30:57 - 11:00:57 10501
Laughlin/Bullhead City 10:45:53 -24.1 Dark Down 37.7 169.9 Up 10:30:53 - 11:00:53 10490
Lone Pine 10:46:17 -25.3 Dark Down 35.8 166.1 Up 10:31:17 - 11:01:17 10489
Mohave Valley 10:45:54 -24.3 Dark Down 38.0 169.9 Up 10:30:54 - 11:00:54 10471
Lake Havasu City 10:45:49 -24.4 Dark Down 38.4 170.1 Up 10:30:49 - 11:00:49 10450
Parker 10:45:49 -24.6 Dark Down 38.8 170.1 Up 10:30:49 - 11:00:49 10427
Blythe 10:45:51 -25.1 Dark Down 39.3 169.7 Up 10:30:51 - 11:00:51 10381
Idyllwild 10:46:08 -26.4 Dark Down 38.8 167.2 Up 10:31:08 - 11:01:08 10327
CPSLO 10:46:38 -27.7 Dark Down 36.5 163.0 Up 10:31:38 - 11:01:38 10321
Calipatria 10:45:59 -26.0 Dark Down 39.6 168.5 Up 10:30:59 - 11:00:59 10318
Yuma 10:45:51 -25.7 Dark Down 40.2 169.5 Up 10:30:51 - 11:00:51 10313
Wildwood 10:46:20 -27.3 Dark Down 38.1 165.1 Up 10:31:20 - 11:01:20 10297

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 14KD102, (2020/04/24 10:43UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.70 158
35Eta Oph      17:10:22.7 -15:43:29  2.6 10.15 151
PPM 233766     17:56:19.0 -15:48:46  6.1  1.13 140
PPM 233699     17:52:21.5 -16:39:08  8.3  0.17 141
14KD102        17:52:31.7 -16:29:10 15.7       141
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:30:36 UT

Marc W. Buie, Southwest Research Institute

RECON