RECON: TNO occultation with 05JB186

Event between 05JB186 and star GA0760:08340354 with event index number of 1991583

Geocentric closest approach at 2024/06/07 10:14:31 UTC

J2000 position of star is 17:38:17.9 -13:54:01
Equinox of date position of star is 17:39:39.1 -13:54:45
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 165 degrees from the moon. Moon is 1% illuminated.
Apparent brightness V=23.5

[RECON map]
Object is 37.1 AU from the Sun and 36.1 AU from the Earth.
Apparent velocity is 24.3 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 266 seconds.
The 1-sigma cross-track error in the shadow position is 2817 km.
The sky-plane scale is 26209.3 km/arcsec.

The object has an absolute magnitude Hv=7.8
Diameter=165.2 km assuming a 5% albedo -- 6.8 sec chord
Diameter=67.4 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 05JB186, (2024/06/07 10:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.6 -26:29:03  0.9 20.41 161
35Eta Oph      17:11:46.9 -15:45:12  2.6  6.99 164
56Omi Ser      17:42:47.4 -12:53:10  4.4  1.27 164
PPM 233370     17:39:47.1 -14:06:58  7.7  0.20 165
PPM 233360     17:39:19.2 -13:45:42  8.8  0.18 165
05JB186        17:39:41.1 -13:54:46 16.9       165
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 3.4 sigma about the mid-time.
The median site spacing is 25.6 km RECON observability=0.6 and success probability=8.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:13:21 -4.3 CT Down 15.8 219.6 Really Low 09:58:21 - 10:28:21 -219
Kamloops 10:13:53 -10.8 NT Down 21.9 206.1 Low 09:58:53 - 10:28:53 -266
Kelowna 10:13:49 -11.2 NT Down 22.3 207.1 Low 09:58:49 - 10:28:49 -302
Peachland 10:13:50 -11.4 NT Down 22.5 206.8 Low 09:58:50 - 10:28:50 -307
Summerland 10:13:49 -11.5 NT Down 22.6 206.9 Low 09:58:49 - 10:28:49 -314
Penticton 10:13:49 -11.5 NT Down 22.7 207.1 Low 09:58:49 - 10:28:49 -317
Oliver 10:13:48 -11.8 NT Down 23.0 207.1 Low 09:58:48 - 10:28:48 -334
Anarchist Mountain Observatory 10:13:47 -11.9 NT Down 23.1 207.4 Low 09:58:47 - 10:28:47 -341
Victoria 10:13:58 -13.7 AT Down 24.6 203.4 Low 09:58:58 - 10:28:58 -372
Okanogan 10:13:47 -12.5 AT Down 23.7 207.3 Low 09:58:47 - 10:28:47 -373
Brewster 10:13:47 -12.8 AT Down 24.0 207.1 Low 09:58:47 - 10:28:47 -386
Manson/Chelan 10:13:48 -13.1 AT Down 24.3 206.8 Low 09:58:48 - 10:28:48 -397
Wenatchee 10:13:47 -13.6 AT Down 24.8 206.7 Low 09:58:47 - 10:28:47 -421
Ellensburg 10:13:47 -14.0 AT Down 25.2 206.6 Low 09:58:47 - 10:28:47 -442
Yakima 10:13:47 -14.4 AT Down 25.6 206.6 Low 09:58:47 - 10:28:47 -463
Toppenish/White Swan 10:13:46 -14.5 AT Down 25.7 206.8 Low 09:58:46 - 10:28:46 -474
PNWRO 10:13:41 -14.3 AT Down 25.6 208.4 Low 09:58:41 - 10:28:41 -491
The Dalles 10:13:47 -15.5 AT Down 26.7 206.2 Low 09:58:47 - 10:28:47 -516
Maupin 10:13:46 -15.8 AT Down 27.0 206.4 Low 09:58:46 - 10:28:46 -539
Sisters 10:13:46 -16.7 AT Down 28.0 206.1 Low 09:58:46 - 10:28:46 -587
Bend 10:13:45 -16.8 AT Down 28.1 206.4 Low 09:58:45 - 10:28:45 -600
Oregon Observatory 10:13:45 -17.0 AT Down 28.3 206.3 Low 09:58:45 - 10:28:45 -610
Chiloquin 10:13:44 -18.3 Dark Down 29.6 206.2 Low 09:58:44 - 10:28:44 -686
Klamath Falls 10:13:43 -18.6 Dark Down 29.9 206.4 Low 09:58:43 - 10:28:43 -706
Cedarville 10:13:37 -18.6 Dark Down 30.0 208.2 Low 09:58:37 - 10:28:37 -744
Fall River/Burney 10:13:40 -19.5 Dark Down 30.8 207.1 Up 09:58:40 - 10:28:40 -776
Gimple 10:13:37 -20.0 Dark Down 31.4 207.9 Up 09:58:37 - 10:28:37 -831
Greenville 10:13:37 -20.1 Dark Down 31.5 207.8 Up 09:58:37 - 10:28:37 -831
Dunrhomin 10:12:51 -12.5 AT Down 24.5 223.0 Low 09:57:51 - 10:27:51 -843
Quincy 10:13:37 -20.2 Dark Down 31.7 207.9 Up 09:58:37 - 10:28:37 -844
Portola 10:13:35 -20.1 Dark Down 31.6 208.4 Up 09:58:35 - 10:28:35 -851
Nikitin 10:12:50 -12.7 AT Down 24.6 223.1 Low 09:57:50 - 10:27:50 -854
CU-SBO 10:12:50 -12.8 AT Down 24.7 223.0 Low 09:57:50 - 10:27:50 -858
Reno 10:13:33 -20.1 Dark Down 31.6 209.1 Up 09:58:33 - 10:28:33 -866
Carson City 10:13:32 -20.4 Dark Down 31.9 209.3 Up 09:58:32 - 10:28:32 -889
Yerington 10:13:30 -20.3 Dark Down 31.8 210.0 Up 09:58:30 - 10:28:30 -901
Gardnerville 10:13:32 -20.6 Dark Down 32.1 209.4 Up 09:58:32 - 10:28:32 -905
Hawthorne 10:13:28 -20.4 Dark Down 32.0 210.7 Up 09:58:28 - 10:28:28 -930
Lee Vining 10:13:28 -21.1 Dark Down 32.7 210.3 Up 09:58:28 - 10:28:28 -967
Bishop 10:13:25 -21.3 Dark Down 32.9 211.3 Up 09:58:25 - 10:28:25 -1007
Beatty 10:13:19 -20.9 Dark Down 32.6 213.1 Up 09:58:19 - 10:28:19 -1037
Patrick 10:13:07 -20.7 Dark Down 32.5 216.6 Up 09:58:07 - 10:28:07 -1140
Laughlin/Bullhead City 10:13:09 -21.2 Dark Down 33.1 215.9 Up 09:58:09 - 10:28:09 -1157
Lake Havasu City 10:13:07 -21.6 Dark Down 33.5 216.5 Up 09:58:07 - 10:28:07 -1204
Wildwood 10:13:21 -24.1 Dark Down 35.8 212.2 Up 09:58:21 - 10:28:21 -1233
Idyllwild 10:13:14 -23.5 Dark Down 35.3 214.3 Up 09:58:14 - 10:28:14 -1257
George/Scottsdale 10:12:58 -21.0 Dark Down 32.9 219.2 Up 09:57:58 - 10:27:58 -1263
Calipatria 10:13:09 -23.3 Dark Down 35.2 215.8 Up 09:58:09 - 10:28:09 -1303
Yuma 10:13:05 -23.2 Dark Down 35.1 216.9 Up 09:58:05 - 10:28:05 -1335

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 05JB186, (2024/06/07 10:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.41 161
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.99 164
56Omi Ser      17:41:24.8 -12:52:32  4.4  1.27 164
PPM 233370     17:38:23.8 -14:06:13  7.7  0.20 165
PPM 233360     17:37:56.2 -13:44:56  8.8  0.18 165
05JB186        17:38:17.9 -13:54:01 16.9       165
Positions are for J2000

Event circumstances last updated at 2023/11/04 04:13:02 UT

Marc W. Buie, Southwest Research Institute

RECON