RECON: TNO occultation with 14KX101

Event between 14KX101 and star GA0700:09406147 with event index number of 2502540

Geocentric closest approach at 2022/07/02 09:20:10 UTC

J2000 position of star is 17:18:39.6 -19:59:43
Equinox of date position of star is 17:19:58.5 -20:01:02
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon. Moon is 10% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 31.9 AU from the Sun and 31.0 AU from the Earth.
The TNO is moving 21.9 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 294 seconds.
The 1-sigma cross-track error in the shadow position is 1368 km.
The sky-plane scale is 22471.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 8.6 sec chord
Diameter=77.1 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KX101, (2022/07/02 09:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.4 -26:28:48  0.9 13.01 114
35Eta Oph      17:11:40.2 -15:45:04  2.6  4.70 121
40Xi Oph       17:22:21.4 -21:08:06  3.9  1.25 124
PPM 232932     17:21:21.6 -20:00:11  8.4  0.32 124
PPM 232897     17:19:51.5 -19:59:51  9.8  0.04 123
14KX101        17:19:59.6 -20:01:03 16.6       124
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 3.1 sigma about the mid-time.
The median site spacing is 46.9 km RECON observability=0.2 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)
Kamloops 09:18:22 -14.6 AT Down 11.1 218.0 Really Low 09:03:22 - 09:33:22 6603
Kelowna 09:18:18 -15.2 AT Down 11.4 218.8 Really Low 09:03:18 - 09:33:18 6556
Peachland 09:18:18 -15.3 AT Down 11.6 218.6 Really Low 09:03:18 - 09:33:18 6556
Victoria 09:18:25 -17.2 AT Down 14.0 215.6 Really Low 09:03:25 - 09:33:25 6551
Summerland 09:18:18 -15.5 AT Down 11.6 218.7 Really Low 09:03:18 - 09:33:18 6548
Penticton 09:18:17 -15.5 AT Down 11.6 218.8 Really Low 09:03:17 - 09:33:17 6543
Oliver 09:18:16 -15.8 AT Down 11.9 218.8 Really Low 09:03:16 - 09:33:16 6528
Anarchist Mountain Observatory 09:18:15 -16.0 AT Down 12.0 219.0 Really Low 09:03:15 - 09:33:15 6518
Tonasket 09:18:15 -16.3 AT Down 12.2 219.0 Really Low 09:03:15 - 09:33:15 6505
Okanogan 09:18:14 -16.6 AT Down 12.6 218.9 Really Low 09:03:14 - 09:33:14 6491
Brewster 09:18:14 -16.9 AT Down 12.9 218.8 Really Low 09:03:14 - 09:33:14 6482
Manson/Chelan 09:18:15 -17.2 AT Down 13.2 218.5 Really Low 09:03:15 - 09:33:15 6478
Wenatchee 09:18:13 -17.7 AT Down 13.6 218.4 Really Low 09:03:13 - 09:33:13 6458
Ellensburg 09:18:14 -18.1 Dark Down 14.0 218.3 Really Low 09:03:14 - 09:33:14 6441
Sleaford 09:17:55 -9.7 NT Down 3.9 229.9 Really Low 09:02:55 - 09:32:55 6438
Yakima 09:18:13 -18.5 Dark Down 14.4 218.3 Really Low 09:03:13 - 09:33:13 6422
Toppenish/White Swan 09:18:12 -18.7 Dark Down 14.5 218.5 Really Low 09:03:12 - 09:33:12 6409
Goldendale 09:18:11 -19.3 Dark Down 15.1 218.2 Really Low 09:03:11 - 09:33:11 6388
The Dalles 09:18:12 -19.6 Dark Down 15.4 217.9 Really Low 09:03:12 - 09:33:12 6382
PNWRO 09:18:07 -18.7 Dark Down 14.1 219.8 Really Low 09:03:07 - 09:33:07 6368
Maupin 09:18:11 -20.0 Dark Down 15.7 218.1 Really Low 09:03:11 - 09:33:11 6359
Sisters 09:18:10 -20.9 Dark Down 16.6 217.8 Really Low 09:03:10 - 09:33:10 6322
Bend 09:18:09 -21.1 Dark Down 16.7 218.1 Really Low 09:03:09 - 09:33:09 6306
Oregon Observatory 09:18:08 -21.3 Dark Down 16.9 218.0 Really Low 09:03:08 - 09:33:08 6299
North Lake 09:18:06 -21.8 Dark Down 17.2 218.6 Really Low 09:03:06 - 09:33:06 6256
Chiloquin 09:18:07 -22.6 Dark Down 18.1 217.9 Really Low 09:03:07 - 09:33:07 6234
Klamath Falls 09:18:06 -22.9 Dark Down 18.4 218.0 Really Low 09:03:06 - 09:33:06 6214
Lakeview 09:18:02 -22.7 Dark Down 17.7 219.3 Really Low 09:03:02 - 09:33:02 6189
Cedarville 09:18:00 -23.3 Dark Down 18.2 219.5 Really Low 09:03:00 - 09:33:00 6150
Fall River/Burney 09:18:02 -24.0 Dark Down 19.1 218.6 Really Low 09:03:02 - 09:33:02 6141
Susanville 09:17:59 -24.4 Dark Down 19.3 219.4 Really Low 09:02:59 - 09:32:59 6093
Greenville 09:17:59 -24.8 Dark Down 19.6 219.2 Really Low 09:02:59 - 09:32:59 6081
Gimple 09:17:59 -24.7 Dark Down 19.6 219.2 Really Low 09:02:59 - 09:32:59 6080
Quincy 09:17:59 -25.0 Dark Down 19.8 219.2 Really Low 09:02:59 - 09:32:59 6069
Portola 09:17:57 -25.0 Dark Down 19.6 219.6 Really Low 09:02:57 - 09:32:57 6054
Reno 09:17:55 -25.1 Dark Down 19.5 220.3 Really Low 09:02:55 - 09:32:55 6027
Carson City 09:17:54 -25.4 Dark Down 19.8 220.3 Really Low 09:02:54 - 09:32:54 6005
Gardnerville 09:17:53 -25.6 Dark Down 20.0 220.4 Really Low 09:02:53 - 09:32:53 5990
Yerington 09:17:51 -25.4 Dark Down 19.6 220.9 Really Low 09:02:51 - 09:32:51 5983
Hawthorne 09:17:49 -25.7 Dark Down 19.7 221.5 Really Low 09:02:49 - 09:32:49 5945
Lee Vining 09:17:49 -26.4 Dark Down 20.4 221.2 Low 09:02:49 - 09:32:49 5919
Tonopah 09:17:43 -25.8 Dark Down 19.3 222.7 Really Low 09:02:43 - 09:32:43 5891
Bishop 09:17:46 -26.7 Dark Down 20.5 221.9 Low 09:02:46 - 09:32:46 5867
Beatty 09:17:40 -26.7 Dark Down 19.9 223.4 Really Low 09:02:40 - 09:32:40 5808
Dunrhomin 09:17:18 -19.6 Dark Down 11.0 231.6 Really Low 09:02:18 - 09:32:18 5788
CU-SBO 09:17:17 -19.8 Dark Down 11.3 231.5 Really Low 09:02:17 - 09:32:17 5774
Indian Springs 09:17:36 -26.7 Dark Down 19.6 224.3 Really Low 09:02:36 - 09:32:36 5766
Henderson 09:17:32 -26.9 Dark Down 19.6 225.0 Really Low 09:02:32 - 09:32:32 5717
Wildwood 09:17:40 -29.9 Dark Down 23.0 222.6 Low 09:02:40 - 09:32:40 5654
Patrick 09:17:28 -27.1 Dark Down 19.4 226.0 Really Low 09:02:28 - 09:32:28 5653
Laughlin/Bullhead City 09:17:30 -27.6 Dark Down 19.9 225.5 Really Low 09:02:30 - 09:32:30 5650
Kingman/Dolan Springs 09:17:28 -27.4 Dark Down 19.6 225.9 Really Low 09:02:28 - 09:32:28 5642
Mohave Valley 09:17:28 -27.8 Dark Down 20.1 225.6 Low 09:02:28 - 09:32:28 5631
Lake Havasu City 09:17:28 -28.1 Dark Down 20.3 225.9 Low 09:02:28 - 09:32:28 5599
Idyllwild 09:17:33 -29.6 Dark Down 22.2 224.2 Low 09:02:33 - 09:32:33 5594
Parker 09:17:27 -28.4 Dark Down 20.5 226.0 Low 09:02:27 - 09:32:27 5574
Calipatria 09:17:28 -29.8 Dark Down 21.9 225.3 Low 09:02:28 - 09:32:28 5527
George/Scottsdale 09:17:19 -27.9 Dark Down 19.3 227.9 Really Low 09:02:19 - 09:32:19 5494
Yuma 09:17:24 -29.9 Dark Down 21.7 226.1 Low 09:02:24 - 09:32:24 5478

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 14KX101, (2022/07/02 09:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.01 114
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.70 121
40Xi Oph       17:21:00.8 -21:06:51  3.9  1.25 124
PPM 232932     17:20:01.6 -19:58:54  8.4  0.32 124
PPM 232897     17:18:31.6 -19:58:31  9.8  0.04 123
14KX101        17:18:39.6 -19:59:43 16.6       123
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:05:00 UT

Marc W. Buie, Southwest Research Institute

RECON