RECON: TNO occultation with 14JE80

Event between 14JE80 and star GA0720:29853540 with event index number of 2487060

Geocentric closest approach at 2022/08/20 06:21:49 UTC

J2000 position of star is 18:58:27.9 -17:05:48
Equinox of date position of star is 18:59:44.9 -17:03:55
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 144 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 18.5 AU from the Sun and 17.8 AU from the Earth.
The TNO is moving 14.6 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 288 seconds.
The 1-sigma cross-track error in the shadow position is 3400 km.
The sky-plane scale is 12898.1 km/arcsec.

The TNO has an absolute magnitude Hv=9.7
Diameter=70.1 km assuming a 5% albedo -- 4.8 sec chord
Diameter=28.6 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JE80, (2022/08/20 06:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.9 -26:28:49  0.9 35.71 177
Nunki          18:56:40.0 -26:16:00  2.0  9.23 147
PPM 235210     18:56:00.9 -15:34:23  4.8  1.74 145
PPM 235269     18:58:03.3 -17:24:47  7.2  0.54 145
PPM 235309     19:00:28.4 -17:03:12  9.6  0.17 144
14JE80         18:59:46.4 -17:03:53 16.9       144
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 18.2 km RECON observability=1.0 and success probability=6.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 06:17:26 -23.5 Dark Down 23.1 195.5 Low 06:02:26 - 06:32:26 6469
Kamloops 06:17:14 -22.7 Dark Down 20.4 198.3 Low 06:02:14 - 06:32:14 6455
Peachland 06:17:11 -23.7 Dark Down 21.2 199.0 Low 06:02:11 - 06:32:11 6384
Kelowna 06:17:11 -23.6 Dark Down 21.0 199.3 Low 06:02:11 - 06:32:11 6378
Summerland 06:17:11 -23.8 Dark Down 21.3 199.1 Low 06:02:11 - 06:32:11 6372
Penticton 06:17:12 -23.9 Dark Down 21.3 199.2 Low 06:02:12 - 06:32:12 6364
Oliver 06:17:11 -24.2 Dark Down 21.7 199.2 Low 06:02:11 - 06:32:11 6346
Anarchist Mountain Observatory 06:17:11 -24.4 Dark Down 21.8 199.5 Low 06:02:11 - 06:32:11 6329
Tonasket 06:17:11 -24.7 Dark Down 22.1 199.4 Low 06:02:11 - 06:32:11 6315
Okanogan 06:17:11 -24.9 Dark Down 22.5 199.3 Low 06:02:11 - 06:32:11 6303
Manson/Chelan 06:17:14 -25.2 Dark Down 23.0 198.8 Low 06:02:14 - 06:32:14 6301
Brewster 06:17:14 -25.1 Dark Down 22.7 199.2 Low 06:02:14 - 06:32:14 6297
Wenatchee 06:17:14 -25.5 Dark Down 23.5 198.7 Low 06:02:14 - 06:32:14 6282
Ellensburg 06:17:15 -25.8 Dark Down 24.0 198.6 Low 06:02:15 - 06:32:15 6269
Yakima 06:17:16 -26.2 Dark Down 24.3 198.6 Low 06:02:16 - 06:32:16 6247
Toppenish/White Swan 06:17:15 -26.4 Dark Down 24.5 198.8 Low 06:02:15 - 06:32:15 6227
The Dalles 06:17:19 -26.8 Dark Down 25.4 198.1 Low 06:02:19 - 06:32:19 6218
Goldendale 06:17:17 -26.7 Dark Down 25.1 198.5 Low 06:02:17 - 06:32:17 6215
Maupin 06:17:18 -27.2 Dark Down 25.8 198.3 Low 06:02:18 - 06:32:18 6190
Sisters 06:17:21 -27.8 Dark Down 26.7 197.9 Low 06:02:21 - 06:32:21 6161
PNWRO 06:17:10 -27.2 Dark Down 24.5 200.4 Low 06:02:10 - 06:32:10 6141
Bend 06:17:21 -28.1 Dark Down 26.9 198.2 Low 06:02:21 - 06:32:21 6136
Oregon Observatory 06:17:20 -28.2 Dark Down 27.1 198.1 Low 06:02:20 - 06:32:20 6132
Chiloquin 06:17:23 -29.2 Dark Down 28.4 197.9 Low 06:02:23 - 06:32:23 6073
North Lake 06:17:20 -28.9 Dark Down 27.6 198.8 Low 06:02:20 - 06:32:20 6070
Klamath Falls 06:17:24 -29.5 Dark Down 28.7 198.1 Low 06:02:24 - 06:32:24 6048
Lakeview 06:17:18 -30.1 Dark Down 28.5 199.6 Low 06:02:18 - 06:32:18 5980
Sleaford 06:16:27 -24.6 Dark Up 15.4 211.8 Really Low 06:01:27 - 06:31:27 5966
Fall River/Burney 06:17:22 -30.6 Dark Down 29.8 198.7 Low 06:02:22 - 06:32:22 5958
Cedarville 06:17:17 -30.7 Dark Down 29.0 199.9 Low 06:02:17 - 06:32:17 5931
Susanville 06:17:20 -31.5 Dark Down 30.2 199.6 Up 06:02:20 - 06:32:20 5884
Greenville 06:17:22 -31.6 Dark Down 30.5 199.3 Up 06:02:22 - 06:32:22 5881
Gimple 06:17:21 -31.6 Dark Down 30.5 199.4 Up 06:02:21 - 06:32:21 5876
Quincy 06:17:22 -31.7 Dark Down 30.7 199.4 Up 06:02:22 - 06:32:22 5868
Portola 06:17:21 -32.0 Dark Down 30.7 199.9 Up 06:02:21 - 06:32:21 5837
Reno 06:17:17 -32.5 Dark Down 30.8 200.6 Up 06:02:17 - 06:32:17 5789
Carson City 06:17:18 -32.8 Dark Down 31.1 200.7 Up 06:02:18 - 06:32:18 5764
Gardnerville 06:17:18 -33.1 Dark Down 31.3 200.8 Up 06:02:18 - 06:32:18 5746
Yerington 06:17:16 -33.3 Dark Down 31.1 201.4 Up 06:02:16 - 06:32:16 5721
Hawthorne 06:17:14 -33.9 Dark Down 31.4 202.1 Up 06:02:14 - 06:32:14 5664
Lee Vining 06:17:15 -34.2 Dark Down 32.1 201.7 Up 06:02:15 - 06:32:15 5651
Bishop 06:17:14 -35.0 Dark Down 32.4 202.6 Up 06:02:14 - 06:32:14 5574
Tonopah 06:17:08 -34.8 Dark Down 31.4 203.7 Up 06:02:08 - 06:32:08 5563
Beatty 06:17:06 -36.0 Dark Down 32.3 204.5 Up 06:02:06 - 06:32:06 5460
Indian Springs 06:17:02 -36.7 Dark Down 32.3 205.7 Up 06:02:02 - 06:32:02 5383
Wildwood 06:17:18 -37.7 Dark Down 35.5 203.3 Up 06:02:18 - 06:32:18 5356
Henderson 06:17:00 -37.4 Dark Down 32.5 206.5 Up 06:02:00 - 06:32:00 5310
Idyllwild 06:17:09 -38.8 Dark Down 35.2 205.4 Up 06:02:09 - 06:32:09 5233
Laughlin/Bullhead City 06:16:58 -38.3 Dark Down 33.1 207.2 Up 06:01:58 - 06:31:58 5226
Patrick 06:16:55 -38.4 Dark Down 32.7 207.9 Up 06:01:55 - 06:31:55 5207
Mohave Valley 06:16:58 -38.6 Dark Down 33.4 207.3 Up 06:01:58 - 06:31:58 5205
Kingman/Dolan Springs 06:16:56 -38.5 Dark Down 32.9 207.7 Up 06:01:56 - 06:31:56 5201
Lake Havasu City 06:16:58 -39.0 Dark Down 33.6 207.7 Up 06:01:58 - 06:31:58 5163
Parker 06:16:59 -39.4 Dark Down 33.9 207.8 Up 06:01:59 - 06:31:59 5136
Dunrhomin 06:16:16 -36.2 Dark Up 25.0 214.9 Low 06:01:16 - 06:31:16 5131
Calipatria 06:17:04 -39.8 Dark Down 35.3 206.9 Up 06:02:04 - 06:32:04 5125
CU-SBO 06:16:17 -36.4 Dark Up 25.3 214.9 Low 06:01:17 - 06:31:17 5118
Yuma 06:17:02 -40.5 Dark Down 35.3 208.0 Up 06:02:02 - 06:32:02 5046
George/Scottsdale 06:16:48 -40.6 Dark Down 33.3 210.5 Up 06:01:48 - 06:31:48 4977

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 14JE80, (2022/08/20 06:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 35.71 177
Nunki          18:55:15.9 -26:17:49  2.0  9.23 147
PPM 235210     18:54:43.1 -15:36:12  4.8  1.74 145
PPM 235269     18:56:44.5 -17:26:39  7.2  0.54 145
PPM 235309     18:59:09.8 -17:05:09  9.6  0.17 144
14JE80         18:58:27.9 -17:05:48 16.9       144
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:07:02 UT

Marc W. Buie, Southwest Research Institute

RECON