RECON: TNO occultation with 14KD102

Event between 14KD102 and star GA0720:17792115 with event index number of 1144427

Geocentric closest approach at 2021/07/01 05:22:28 UTC

J2000 position of star is 17:56:20.1 -16:16:59
Equinox of date position of star is 17:57:32.9 -16:17:05
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 94 degrees from the moon. Moon is 57% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 30.8 AU from the Sun and 29.9 AU from the Earth.
The TNO is moving 22.9 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 713 seconds.
The 1-sigma cross-track error in the shadow position is 1237 km.
The sky-plane scale is 21651.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 8.7 sec chord
Diameter=81.8 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KD102, (2021/07/01 05:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.7 -26:28:40  0.9 22.59 112
35Eta Oph      17:11:36.8 -15:45:00  2.6 11.06 105
PPM 233766     17:57:33.3 -15:48:52  6.1  0.47  94
PPM 233797     17:58:30.2 -16:08:29  9.9  0.26  93
14KD102        17:57:34.6 -16:17:05 15.7        93
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 1.3 sigma about the mid-time.
The median site spacing is 17.2 km RECON observability=0.5 and success probability=0.1%
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 05:23:49 -8.8 NT Down 19.1 151.6 Really Low 05:08:49 - 05:38:49 6171
Kelowna 05:23:51 -9.1 NT Down 19.4 151.4 Really Low 05:08:51 - 05:38:51 6152
Peachland 05:23:52 -9.1 NT Down 19.4 151.1 Really Low 05:08:52 - 05:38:52 6144
Summerland 05:23:52 -9.2 NT Down 19.5 151.1 Really Low 05:08:52 - 05:38:52 6138
Penticton 05:23:51 -9.3 NT Down 19.6 151.2 Really Low 05:08:51 - 05:38:51 6135
Oliver 05:23:52 -9.6 NT Down 19.9 151.2 Really Low 05:08:52 - 05:38:52 6118
Anarchist Mountain Observatory 05:23:52 -9.8 NT Down 20.1 151.3 Low 05:08:52 - 05:38:52 6112
Tonasket 05:23:52 -10.0 NT Down 20.4 151.2 Low 05:08:52 - 05:38:52 6096
Okanogan 05:23:53 -10.3 NT Down 20.6 151.0 Low 05:08:53 - 05:38:53 6078
Brewster 05:23:54 -10.4 NT Down 20.8 150.8 Low 05:08:54 - 05:38:54 6062
Victoria 05:24:05 -8.6 NT Down 19.2 147.4 Really Low 05:09:05 - 05:39:05 6049
Manson/Chelan 05:23:56 -10.4 NT Down 20.9 150.4 Low 05:08:56 - 05:38:56 6049
Wenatchee 05:23:57 -10.7 NT Down 21.2 150.1 Low 05:08:57 - 05:38:57 6023
Ellensburg 05:23:59 -11.0 NT Down 21.5 149.8 Low 05:08:59 - 05:38:59 5999
Yakima 05:23:59 -11.3 NT Down 21.9 149.7 Low 05:08:59 - 05:38:59 5978
Pasco 05:23:56 -12.1 AT Down 22.6 151.1 Low 05:08:56 - 05:38:56 5973
Toppenish/White Swan 05:24:00 -11.5 NT Down 22.1 149.9 Low 05:09:00 - 05:39:00 5968
PNWRO 05:23:55 -12.4 AT Down 22.9 151.2 Low 05:08:55 - 05:38:55 5962
Goldendale 05:24:01 -11.8 NT Down 22.4 149.3 Low 05:09:01 - 05:39:01 5934
The Dalles 05:24:03 -11.8 NT Down 22.5 148.9 Low 05:09:03 - 05:39:03 5918
Maupin 05:24:03 -12.2 AT Down 22.9 149.0 Low 05:09:03 - 05:39:03 5896
Redmond 05:24:05 -12.9 AT Down 23.6 148.7 Low 05:09:05 - 05:39:05 5845
Sisters 05:24:06 -12.7 AT Down 23.5 148.3 Low 05:09:06 - 05:39:06 5842
Bend 05:24:06 -13.0 AT Down 23.8 148.5 Low 05:09:06 - 05:39:06 5831
Oregon Observatory 05:24:07 -13.0 AT Down 23.9 148.3 Low 05:09:07 - 05:39:07 5820
La Pine/Gilchrist 05:24:07 -13.2 AT Down 24.0 148.2 Low 05:09:07 - 05:39:07 5807
North Lake 05:24:06 -13.8 AT Down 24.6 148.7 Low 05:09:06 - 05:39:06 5788
Paisley 05:24:06 -14.4 AT Down 25.2 148.9 Low 05:09:06 - 05:39:06 5760
Lakeview 05:24:06 -14.9 AT Down 25.7 149.0 Low 05:09:06 - 05:39:06 5731
Dunrhomin 05:23:18 -22.4 Dark Down 32.0 164.2 Up 05:08:18 - 05:38:18 5728
Klamath Falls 05:24:11 -14.2 AT Down 25.2 147.6 Low 05:09:11 - 05:39:11 5718
Cedarville 05:24:07 -15.5 AT Down 26.4 149.0 Low 05:09:07 - 05:39:07 5693
Fall River/Burney 05:24:11 -15.3 AT Down 26.3 147.7 Low 05:09:11 - 05:39:11 5650
Susanville 05:24:10 -16.1 AT Down 27.1 148.2 Low 05:09:10 - 05:39:10 5619
Gimple 05:24:11 -16.2 AT Down 27.3 148.0 Low 05:09:11 - 05:39:11 5599
Greenville 05:24:11 -16.2 AT Down 27.3 147.9 Low 05:09:11 - 05:39:11 5598
Quincy 05:24:12 -16.4 AT Down 27.4 147.8 Low 05:09:12 - 05:39:12 5585
Portola 05:24:10 -16.7 AT Down 27.7 148.3 Low 05:09:10 - 05:39:10 5583
Reno 05:24:09 -17.2 AT Down 28.2 148.8 Low 05:09:09 - 05:39:09 5572
Carson City 05:24:09 -17.5 AT Down 28.5 148.7 Low 05:09:09 - 05:39:09 5549
Yerington 05:24:07 -17.9 AT Down 28.9 149.3 Low 05:09:07 - 05:39:07 5543
Gardnerville 05:24:09 -17.7 AT Down 28.8 148.7 Low 05:09:09 - 05:39:09 5534
Hawthorne 05:24:06 -18.6 Dark Down 29.6 149.7 Low 05:09:06 - 05:39:06 5518
Tonopah 05:24:02 -19.6 Dark Down 30.5 151.0 Up 05:09:02 - 05:39:02 5502
Lee Vining 05:24:09 -18.8 Dark Down 29.9 149.1 Low 05:09:09 - 05:39:09 5476
Bishop 05:24:07 -19.6 Dark Down 30.7 149.6 Up 05:09:07 - 05:39:07 5443
Beatty 05:24:02 -20.7 Dark Down 31.7 151.1 Up 05:09:02 - 05:39:02 5428
Indian Springs 05:23:59 -21.5 Dark Down 32.4 152.1 Up 05:08:59 - 05:38:59 5416
Henderson 05:23:57 -22.3 Dark Down 33.1 152.7 Up 05:08:57 - 05:38:57 5385
Patrick 05:23:53 -23.3 Dark Down 34.1 153.7 Up 05:08:53 - 05:38:53 5352
Kingman/Dolan Springs 05:23:55 -23.4 Dark Down 34.2 153.4 Up 05:08:55 - 05:38:55 5335
Laughlin/Bullhead City 05:23:56 -23.2 Dark Down 34.0 152.9 Up 05:08:56 - 05:38:56 5328
Mohave Valley 05:23:57 -23.4 Dark Down 34.3 152.8 Up 05:08:57 - 05:38:57 5309
Lake Havasu City 05:23:56 -23.8 Dark Down 34.7 152.9 Up 05:08:56 - 05:38:56 5282
CPSLO 05:24:18 -20.1 Dark Down 31.5 146.7 Up 05:09:18 - 05:39:18 5276
Parker 05:23:56 -24.1 Dark Down 35.1 152.9 Up 05:08:56 - 05:38:56 5258
George/Scottsdale 05:23:48 -25.6 Dark Down 36.3 155.4 Up 05:08:48 - 05:38:48 5248
Blythe 05:23:59 -24.4 Dark Down 35.4 152.4 Up 05:08:59 - 05:38:59 5217
Wildwood 05:24:12 -22.1 Dark Down 33.4 148.4 Up 05:09:12 - 05:39:12 5212
Idyllwild 05:24:06 -23.3 Dark Down 34.5 150.2 Up 05:09:06 - 05:39:06 5206
Calipatria 05:24:02 -24.4 Dark Down 35.5 151.2 Up 05:09:02 - 05:39:02 5172
Yuma 05:23:59 -25.2 Dark Down 36.2 152.0 Up 05:08:59 - 05:38:59 5149

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, (2021/07/01 05:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.59 112
35Eta Oph      17:10:22.7 -15:43:29  2.6 11.06 105
PPM 233766     17:56:19.0 -15:48:47  6.1  0.47  94
PPM 233797     17:57:15.8 -16:08:25  9.9  0.26  93
14KD102        17:56:20.1 -16:16:59 15.7        94
Positions are for J2000

Event circumstances last updated at 2021/01/02 20:22:47 UT

Marc W. Buie, Southwest Research Institute

RECON