RECON: TNO occultation with 05JB186

Event between 05JB186 and star GA0740:08054122 with event index number of 1991123

Geocentric closest approach at 2022/05/26 11:22:28 UTC

J2000 position of star is 17:25:45.6 -14:51:41
Equinox of date position of star is 17:27:01.6 -14:52:46
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=23.5

[RECON map]
TNO is 37.2 AU from the Sun and 36.2 AU from the Earth.
The TNO is moving 23.4 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 204 seconds.
The 1-sigma cross-track error in the shadow position is 2042 km.
The sky-plane scale is 26265.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.8
Diameter=165.2 km assuming a 5% albedo -- 7.1 sec chord
Diameter=67.4 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 05JB186, (2022/05/26 11:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.1 -26:28:47  0.9 17.51 130
35Eta Oph      17:11:39.9 -15:45:04  2.6  3.81 122
PPM 232892     17:19:36.8 -16:20:02  5.9  2.30 120
PPM 233087     17:28:27.2 -15:52:15  6.6  1.05 118
PPM 233044     17:26:46.3 -14:48:37  9.8  0.09 119
05JB186        17:27:02.3 -14:52:46 16.2       118
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 4.4 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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)
Sleaford 11:21:10 2.5 Sun up Up 11.7 226.2 Really Low 11:06:10 - 11:36:10 4903
Kamloops 11:21:40 -5.4 CT Up 18.5 213.3 Really Low 11:06:40 - 11:36:40 4868
Kelowna 11:21:36 -5.6 CT Up 18.9 214.3 Really Low 11:06:36 - 11:36:36 4836
Peachland 11:21:36 -5.8 CT Up 19.1 214.1 Really Low 11:06:36 - 11:36:36 4831
Summerland 11:21:36 -5.8 CT Up 19.2 214.2 Really Low 11:06:36 - 11:36:36 4825
Penticton 11:21:35 -5.8 CT Up 19.2 214.3 Really Low 11:06:35 - 11:36:35 4822
Oliver 11:21:34 -6.1 NT Up 19.5 214.4 Really Low 11:06:34 - 11:36:34 4807
Anarchist Mountain Observatory 11:21:33 -6.1 NT Up 19.5 214.6 Really Low 11:06:33 - 11:36:33 4800
Tonasket 11:21:33 -6.3 NT Up 19.8 214.6 Really Low 11:06:33 - 11:36:33 4786
Okanogan 11:21:33 -6.6 NT Up 20.2 214.5 Low 11:06:33 - 11:36:33 4771
Victoria 11:21:43 -8.3 NT Up 21.4 210.8 Low 11:06:43 - 11:36:43 4771
Brewster 11:21:32 -6.9 NT Up 20.5 214.4 Low 11:06:32 - 11:36:32 4759
Manson/Chelan 11:21:33 -7.2 NT Up 20.8 214.1 Low 11:06:33 - 11:36:33 4749
Wenatchee 11:21:32 -7.6 NT Up 21.2 214.0 Low 11:06:32 - 11:36:32 4727
Ellensburg 11:21:32 -8.0 NT Up 21.7 213.9 Low 11:06:32 - 11:36:32 4707
Yakima 11:21:31 -8.3 NT Up 22.0 213.9 Low 11:06:31 - 11:36:31 4688
Toppenish/White Swan 11:21:30 -8.4 NT Up 22.1 214.2 Low 11:06:30 - 11:36:30 4678
PNWRO 11:21:25 -7.9 NT Up 21.8 215.6 Low 11:06:25 - 11:36:25 4662
Goldendale 11:21:31 -9.0 NT Up 22.7 213.9 Low 11:06:31 - 11:36:31 4651
The Dalles 11:21:31 -9.3 NT Up 23.1 213.6 Low 11:06:31 - 11:36:31 4639
Maupin 11:21:30 -9.6 NT Up 23.4 213.8 Low 11:06:30 - 11:36:30 4618
Sisters 11:21:29 -10.4 NT Up 24.3 213.5 Low 11:06:29 - 11:36:29 4573
Bend 11:21:28 -10.5 NT Up 24.4 213.8 Low 11:06:28 - 11:36:28 4561
Oregon Observatory 11:21:28 -10.6 NT Up 24.6 213.7 Low 11:06:28 - 11:36:28 4552
North Lake 11:21:25 -10.8 NT Up 24.9 214.4 Low 11:06:25 - 11:36:25 4520
Chiloquin 11:21:27 -11.8 NT Up 25.9 213.7 Low 11:06:27 - 11:36:27 4481
Lakeview 11:21:21 -11.2 NT Up 25.6 215.2 Low 11:06:21 - 11:36:21 4463
Klamath Falls 11:21:26 -12.0 NT Up 26.1 213.8 Low 11:06:26 - 11:36:26 4463
Cedarville 11:21:19 -11.6 NT Up 26.0 215.6 Low 11:06:19 - 11:36:19 4427
Fall River/Burney 11:21:22 -12.6 AT Up 26.9 214.5 Low 11:06:22 - 11:36:22 4397
Susanville 11:21:18 -12.6 AT Up 27.1 215.4 Low 11:06:18 - 11:36:18 4362
Gimple 11:21:18 -12.9 AT Up 27.5 215.3 Low 11:06:18 - 11:36:18 4346
Greenville 11:21:18 -13.0 AT Up 27.5 215.2 Low 11:06:18 - 11:36:18 4346
Quincy 11:21:18 -13.1 AT Up 27.7 215.3 Low 11:06:18 - 11:36:18 4334
Portola 11:21:16 -12.9 AT Up 27.5 215.8 Low 11:06:16 - 11:36:16 4328
Dunrhomin 11:20:34 -3.4 CT Up 19.4 229.1 Really Low 11:05:34 - 11:35:34 4326
Reno 11:21:14 -12.7 AT Up 27.5 216.5 Low 11:06:14 - 11:36:14 4313
CU-SBO 11:20:34 -3.6 CT Up 19.6 229.1 Really Low 11:05:34 - 11:35:34 4312
Carson City 11:21:13 -13.0 AT Up 27.8 216.6 Low 11:06:13 - 11:36:13 4291
Yerington 11:21:11 -12.7 AT Up 27.6 217.3 Low 11:06:11 - 11:36:11 4280
Gardnerville 11:21:12 -13.1 AT Up 27.9 216.7 Low 11:06:12 - 11:36:12 4277
Hawthorne 11:21:08 -12.7 AT Up 27.7 217.9 Low 11:06:08 - 11:36:08 4252
Tonopah 11:21:02 -12.2 AT Up 27.4 219.4 Low 11:06:02 - 11:36:02 4225
Lee Vining 11:21:09 -13.4 AT Up 28.4 217.6 Low 11:06:09 - 11:36:09 4218
Bishop 11:21:05 -13.3 AT Up 28.5 218.5 Low 11:06:05 - 11:36:05 4180
Beatty 11:20:58 -12.7 AT Up 28.1 220.2 Low 11:05:58 - 11:35:58 4151
Indian Springs 11:20:54 -12.2 AT Up 27.8 221.3 Low 11:05:54 - 11:35:54 4130
Henderson 11:20:51 -12.1 AT Up 27.8 222.1 Low 11:05:51 - 11:35:51 4095
Patrick 11:20:46 -11.8 NT Up 27.7 223.3 Low 11:05:46 - 11:35:46 4053
Kingman/Dolan Springs 11:20:47 -12.0 AT Up 27.9 223.2 Low 11:05:47 - 11:35:47 4038
Laughlin/Bullhead City 11:20:48 -12.4 AT Up 28.2 222.7 Low 11:05:48 - 11:35:48 4037
Mohave Valley 11:20:47 -12.5 AT Up 28.4 222.8 Low 11:05:47 - 11:35:47 4019
Lake Havasu City 11:20:46 -12.6 AT Up 28.6 223.2 Low 11:05:46 - 11:35:46 3992
Parker 11:20:45 -12.8 AT Up 28.8 223.4 Low 11:05:45 - 11:35:45 3968
Wildwood 11:20:59 -15.6 AT Up 31.2 219.5 Up 11:05:59 - 11:35:59 3966
Idyllwild 11:20:52 -14.6 AT Up 30.5 221.3 Up 11:05:52 - 11:35:52 3943
George/Scottsdale 11:20:37 -11.5 NT Up 27.7 225.6 Low 11:05:37 - 11:35:37 3935
Calipatria 11:20:47 -14.2 AT Up 30.3 222.6 Up 11:05:47 - 11:35:47 3899
Yuma 11:20:43 -13.9 AT Up 30.1 223.6 Up 11:05:43 - 11:35:43 3868

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, (2022/05/26 11:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.51 130
35Eta Oph      17:10:22.7 -15:43:29  2.6  3.81 122
PPM 232892     17:18:19.3 -16:18:42  5.9  2.30 120
PPM 233087     17:27:09.9 -15:51:12  6.6  1.05 118
PPM 233044     17:25:29.6 -14:47:31  9.8  0.09 119
05JB186        17:25:45.6 -14:51:41 16.2       119
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:13:02 UT

Marc W. Buie, Southwest Research Institute

RECON