RECON: TNO occultation with 14KX101

Event between 14KX101 and star GA0680:15315990 with event index number of 2503596

Geocentric closest approach at 2024/06/19 07:35:58 UTC

J2000 position of star is 17:38:38.5 -20:27:14
Equinox of date position of star is 17:40:04.6 -20:27:57
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 30 degrees from the moon. Moon is 92% illuminated.
Apparent brightness V=22.5

[RECON map]
Object is 32.3 AU from the Sun and 31.3 AU from the Earth.
Apparent velocity is 23.6 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 394 seconds.
The 1-sigma cross-track error in the shadow position is 2195 km.
The sky-plane scale is 22682.4 km/arcsec.

The object has an absolute magnitude Hv=7.5
Diameter=188.8 km assuming a 5% albedo -- 8.0 sec chord
Diameter=77.1 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KX101, (2024/06/19 07:36UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.7 -26:29:03  0.9 16.95  15
35Eta Oph      17:11:47.0 -15:45:13  2.6  8.21  25
PPM 267109     17:40:13.2 -21:55:30  6.4  1.46  30
PPM 267087     17:39:18.1 -20:40:49  8.4  0.28  30
PPM 267097     17:39:36.3 -20:34:06  9.4  0.15  30
14KX101        17:40:05.9 -20:27:58 16.7        31
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 2.3 sigma about the mid-time.
The median site spacing is 18.0 km RECON observability=0.9 and success probability=11.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:35:31 -14.2 AT Up 16.8 191.1 Really Low 07:20:31 - 07:50:31 -685
Kamloops 07:36:13 -15.7 AT Up 18.8 177.1 Really Low 07:21:13 - 07:51:13 -730
Kelowna 07:36:10 -16.5 AT Up 19.7 178.0 Really Low 07:21:10 - 07:51:10 -758
Peachland 07:36:11 -16.6 AT Up 19.8 177.7 Really Low 07:21:11 - 07:51:11 -763
Summerland 07:36:11 -16.8 AT Up 19.9 177.7 Really Low 07:21:11 - 07:51:11 -768
Penticton 07:36:11 -16.8 AT Up 20.0 177.9 Really Low 07:21:11 - 07:51:11 -771
Oliver 07:36:11 -17.2 AT Up 20.3 177.9 Low 07:21:11 - 07:51:11 -784
Anarchist Mountain Observatory 07:36:10 -17.4 AT Up 20.5 178.0 Low 07:21:10 - 07:51:10 -790
Okanogan 07:36:11 -18.0 Dark Up 21.2 177.8 Low 07:21:11 - 07:51:11 -817
Victoria 07:36:22 -17.5 AT Up 20.8 174.0 Low 07:21:22 - 07:51:22 -823
Brewster 07:36:12 -18.3 Dark Up 21.4 177.6 Low 07:21:12 - 07:51:12 -828
Manson/Chelan 07:36:13 -18.4 Dark Up 21.6 177.2 Low 07:21:13 - 07:51:13 -838
Wenatchee 07:36:13 -18.9 Dark Up 22.1 177.1 Low 07:21:13 - 07:51:13 -858
Ellensburg 07:36:14 -19.3 Dark Up 22.5 176.8 Low 07:21:14 - 07:51:14 -876
Yakima 07:36:14 -19.7 Dark Up 22.9 176.8 Low 07:21:14 - 07:51:14 -894
Toppenish/White Swan 07:36:14 -19.9 Dark Up 23.1 177.0 Low 07:21:14 - 07:51:14 -903
PNWRO 07:36:09 -20.4 Dark Up 23.5 178.5 Low 07:21:09 - 07:51:09 -915
The Dalles 07:36:16 -20.6 Dark Up 23.9 176.2 Low 07:21:16 - 07:51:16 -940
Maupin 07:36:16 -21.1 Dark Up 24.3 176.2 Low 07:21:16 - 07:51:16 -958
Sisters 07:36:18 -21.9 Dark Up 25.1 175.7 Low 07:21:18 - 07:51:18 -1001
Bend 07:36:17 -22.2 Dark Up 25.4 176.0 Low 07:21:17 - 07:51:17 -1011
Oregon Observatory 07:36:18 -22.3 Dark Up 25.6 175.8 Low 07:21:18 - 07:51:18 -1020
Chiloquin 07:36:19 -23.6 Dark Up 26.8 175.4 Low 07:21:19 - 07:51:19 -1086
Klamath Falls 07:36:19 -23.9 Dark Up 27.2 175.4 Low 07:21:19 - 07:51:19 -1104
Cedarville 07:36:14 -24.8 Dark Up 28.0 177.1 Low 07:21:14 - 07:51:14 -1134
Fall River/Burney 07:36:18 -25.1 Dark Up 28.4 175.8 Low 07:21:18 - 07:51:18 -1164
Dunrhomin 07:35:21 -25.8 Dark Up 28.3 192.8 Low 07:20:21 - 07:50:21 -1210
Gimple 07:36:16 -26.1 Dark Up 29.3 176.3 Low 07:21:16 - 07:51:16 -1211
Greenville 07:36:17 -26.1 Dark Up 29.3 176.2 Low 07:21:17 - 07:51:17 -1211
Nikitin 07:35:21 -26.0 Dark Up 28.4 192.8 Low 07:20:21 - 07:50:21 -1220
Quincy 07:36:17 -26.3 Dark Up 29.5 176.2 Low 07:21:17 - 07:51:17 -1222
CU-SBO 07:35:21 -26.1 Dark Up 28.5 192.7 Low 07:20:21 - 07:50:21 -1223
Portola 07:36:15 -26.4 Dark Up 29.7 176.7 Low 07:21:15 - 07:51:15 -1227
Reno 07:36:13 -26.8 Dark Up 30.0 177.4 Low 07:21:13 - 07:51:13 -1240
Carson City 07:36:13 -27.1 Dark Up 30.3 177.4 Up 07:21:13 - 07:51:13 -1260
Yerington 07:36:10 -27.4 Dark Up 30.5 178.1 Up 07:21:10 - 07:51:10 -1269
Gardnerville 07:36:13 -27.4 Dark Up 30.6 177.5 Up 07:21:13 - 07:51:13 -1273
Hawthorne 07:36:08 -27.9 Dark Up 31.0 178.7 Up 07:21:08 - 07:51:08 -1294
Lee Vining 07:36:10 -28.4 Dark Up 31.6 178.1 Up 07:21:10 - 07:51:10 -1327
Bishop 07:36:07 -29.0 Dark Up 32.2 178.9 Up 07:21:07 - 07:51:07 -1361
Beatty 07:36:01 -29.6 Dark Up 32.6 180.7 Up 07:21:01 - 07:51:01 -1385
Patrick 07:35:50 -31.2 Dark Up 34.0 183.9 Up 07:20:50 - 07:50:50 -1474
Laughlin/Bullhead City 07:35:53 -31.4 Dark Up 34.3 183.1 Up 07:20:53 - 07:50:53 -1490
Lake Havasu City 07:35:52 -32.1 Dark Up 35.0 183.4 Up 07:20:52 - 07:50:52 -1532
Wildwood 07:36:08 -32.3 Dark Up 35.4 178.6 Up 07:21:08 - 07:51:08 -1564
Idyllwild 07:36:01 -32.8 Dark Up 35.8 180.8 Up 07:21:01 - 07:51:01 -1582
George/Scottsdale 07:35:42 -32.8 Dark Up 35.6 186.3 Up 07:20:42 - 07:50:42 -1583
Calipatria 07:35:56 -33.4 Dark Up 36.4 182.1 Up 07:20:56 - 07:50:56 -1622
Yuma 07:35:53 -33.9 Dark Up 36.8 183.2 Up 07:20:53 - 07:50:53 -1650

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, (2024/06/19 07:36UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.95  15
35Eta Oph      17:10:22.7 -15:43:29  2.6  8.21  25
PPM 267109     17:38:44.8 -21:54:46  6.4  1.46  30
PPM 267087     17:37:50.6 -20:40:03  8.4  0.28  30
PPM 267097     17:38:08.8 -20:33:21  9.4  0.15  30
14KX101        17:38:38.5 -20:27:14 16.7        30
Positions are for J2000

Event circumstances last updated at 2024/02/12 04:27:20 UT

Marc W. Buie, Southwest Research Institute

RECON