RECON: TNO occultation with 533559

Event between (533559) 14JG80 and star GA0780:05826809 with event index number of 2587281

Geocentric closest approach at 2023/07/06 07:39:09 UTC

J2000 position of star is 17:04:54.6 -11:30:23
Equinox of date position of star is 17:06:10.6 -11:32:11
Stellar brightness G=14.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 27.0 AU from the Sun and 26.1 AU from the Earth.
The TNO is moving 22.4 km/sec on the sky relative to the star, or, 4.3 arcsec/hr.
The 1-sigma error in the time of the event is 63 seconds.
The 1-sigma cross-track error in the shadow position is 1248 km.
The sky-plane scale is 18955.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 7.1 sec chord
Diameter=64.4 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533559, (2023/07/06 07:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.2 -26:28:56  0.9 17.11  74
35Eta Oph      17:11:43.7 -15:45:09  2.6  4.42  67
PPM 232685     17:11:06.0 -10:33:07  5.6  1.55  68
PPM 232569     17:05:51.6 -11:07:10  7.0  0.43  69
PPM 232571     17:05:54.4 -11:19:13  9.5  0.23  69
533559         17:06:13.1 -11:32:14 14.9        69
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 5.0 sigma about the mid-time.
The median site spacing is 19.7 km RECON observability=1.0 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)
Kamloops 07:37:31 -16.4 AT Up 25.0 203.7 Low 07:31:44 - 07:43:18 9411
Kelowna 07:37:28 -17.2 AT Up 25.5 204.8 Low 07:31:41 - 07:43:15 9352
Peachland 07:37:29 -17.3 AT Up 25.7 204.5 Low 07:31:42 - 07:43:16 9349
Summerland 07:37:28 -17.5 AT Up 25.8 204.6 Low 07:31:41 - 07:43:15 9339
Penticton 07:37:27 -17.5 AT Up 25.8 204.7 Low 07:31:40 - 07:43:14 9334
Victoria 07:37:38 -18.2 Dark Up 27.7 200.9 Low 07:31:51 - 07:43:25 9329
Oliver 07:37:27 -17.9 AT Up 26.1 204.8 Low 07:31:40 - 07:43:14 9313
Anarchist Mountain Observatory 07:37:26 -18.1 Dark Up 26.2 205.0 Low 07:31:39 - 07:43:13 9300
Tonasket 07:37:27 -18.4 Dark Up 26.5 205.0 Low 07:31:40 - 07:43:14 9282
Sleaford 07:36:55 -15.0 AT Up 19.2 217.7 Really Low 07:31:08 - 07:42:42 9280
Okanogan 07:37:27 -18.7 Dark Up 26.9 205.0 Low 07:31:40 - 07:43:14 9264
Brewster 07:37:26 -19.0 Dark Up 27.2 204.8 Low 07:31:39 - 07:43:13 9251
Manson/Chelan 07:37:27 -19.1 Dark Up 27.5 204.5 Low 07:31:40 - 07:43:14 9244
Wenatchee 07:37:28 -19.6 Dark Up 27.9 204.4 Low 07:31:41 - 07:43:15 9217
Ellensburg 07:37:28 -20.0 Dark Up 28.4 204.2 Low 07:31:41 - 07:43:15 9194
Yakima 07:37:28 -20.4 Dark Up 28.8 204.3 Low 07:31:41 - 07:43:15 9169
Toppenish/White Swan 07:37:26 -20.6 Dark Up 28.9 204.5 Low 07:31:39 - 07:43:13 9153
Goldendale 07:37:27 -21.1 Dark Up 29.5 204.2 Low 07:31:40 - 07:43:14 9124
The Dalles 07:37:28 -21.3 Dark Up 29.8 203.9 Low 07:31:41 - 07:43:15 9115
PNWRO 07:37:22 -21.1 Dark Up 28.8 206.2 Low 07:31:35 - 07:43:09 9106
Maupin 07:37:29 -21.7 Dark Up 30.2 204.1 Up 07:31:42 - 07:43:16 9086
Sisters 07:37:29 -22.6 Dark Up 31.1 203.8 Up 07:31:42 - 07:43:16 9036
Bend 07:37:27 -22.8 Dark Up 31.3 204.1 Up 07:31:40 - 07:43:14 9017
Oregon Observatory 07:37:28 -23.0 Dark Up 31.5 204.0 Up 07:31:41 - 07:43:15 9007
North Lake 07:37:26 -23.7 Dark Up 31.9 204.7 Up 07:31:39 - 07:43:13 8955
Chiloquin 07:37:28 -24.2 Dark Up 32.8 203.9 Up 07:31:41 - 07:43:15 8924
Klamath Falls 07:37:29 -24.6 Dark Up 33.1 204.1 Up 07:31:42 - 07:43:16 8899
Lakeview 07:37:23 -24.8 Dark Up 32.7 205.6 Up 07:31:36 - 07:43:10 8873
Cedarville 07:37:22 -25.4 Dark Up 33.2 206.0 Up 07:31:35 - 07:43:09 8824
Fall River/Burney 07:37:26 -25.8 Dark Up 34.1 204.8 Up 07:31:39 - 07:43:13 8810
Susanville 07:37:23 -26.5 Dark Up 34.4 205.8 Up 07:31:36 - 07:43:10 8753
Greenville 07:37:24 -26.7 Dark Up 34.7 205.6 Up 07:31:37 - 07:43:11 8737
Gimple 07:37:24 -26.8 Dark Up 34.7 205.6 Up 07:31:37 - 07:43:11 8736
Quincy 07:37:24 -26.9 Dark Up 34.9 205.6 Up 07:31:37 - 07:43:11 8723
Portola 07:37:22 -27.1 Dark Up 34.9 206.2 Up 07:31:35 - 07:43:09 8706
Reno 07:37:20 -27.4 Dark Up 34.9 207.0 Up 07:31:33 - 07:43:07 8675
Carson City 07:37:20 -27.8 Dark Up 35.2 207.1 Up 07:31:33 - 07:43:07 8648
Gardnerville 07:37:19 -28.0 Dark Up 35.4 207.2 Up 07:31:32 - 07:43:06 8629
Yerington 07:37:17 -28.1 Dark Up 35.2 207.9 Up 07:31:30 - 07:43:04 8623
Hawthorne 07:37:15 -28.6 Dark Up 35.4 208.6 Up 07:31:28 - 07:43:02 8579
Lee Vining 07:37:15 -29.1 Dark Up 36.0 208.3 Up 07:31:28 - 07:43:02 8545
Tonopah 07:37:09 -29.1 Dark Up 35.2 210.3 Up 07:31:22 - 07:42:56 8519
Bishop 07:37:13 -29.7 Dark Up 36.3 209.3 Up 07:31:26 - 07:43:00 8486
Dunrhomin 07:36:33 -26.6 Dark Up 28.0 221.7 Low 07:30:46 - 07:42:20 8463
CU-SBO 07:36:33 -26.9 Dark Up 28.3 221.7 Low 07:30:46 - 07:42:20 8445
Beatty 07:37:07 -30.3 Dark Up 36.1 211.2 Up 07:31:20 - 07:42:54 8421
Indian Springs 07:37:03 -30.7 Dark Up 35.9 212.5 Up 07:31:16 - 07:42:50 8375
Henderson 07:37:00 -31.2 Dark Up 36.0 213.5 Up 07:31:13 - 07:42:47 8320
Patrick 07:36:56 -31.9 Dark Up 36.0 214.9 Up 07:31:09 - 07:42:43 8249
Laughlin/Bullhead City 07:36:57 -32.1 Dark Up 36.6 214.3 Up 07:31:10 - 07:42:44 8242
Kingman/Dolan Springs 07:36:57 -32.1 Dark Up 36.3 214.8 Up 07:31:10 - 07:42:44 8234
Wildwood 07:37:11 -33.0 Dark Up 39.2 210.3 Up 07:31:24 - 07:42:58 8231
Mohave Valley 07:36:58 -32.4 Dark Up 36.8 214.4 Up 07:31:11 - 07:42:45 8220
Lake Havasu City 07:36:56 -32.8 Dark Up 37.0 214.8 Up 07:31:09 - 07:42:43 8182
Idyllwild 07:37:04 -33.5 Dark Up 38.7 212.5 Up 07:31:17 - 07:42:51 8167
Parker 07:36:56 -33.1 Dark Up 37.3 215.0 Up 07:31:09 - 07:42:43 8153
Calipatria 07:36:59 -34.1 Dark Up 38.7 214.1 Up 07:31:12 - 07:42:46 8093
George/Scottsdale 07:36:48 -33.6 Dark Up 36.4 217.7 Up 07:31:01 - 07:42:35 8071
Yuma 07:36:56 -34.6 Dark Up 38.6 215.3 Up 07:31:09 - 07:42:43 8039

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 533559, (2023/07/06 07:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.11  74
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.42  67
PPM 232685     17:09:48.0 -10:31:26  5.6  1.55  68
PPM 232569     17:04:33.3 -11:05:19  7.0  0.43  69
PPM 232571     17:04:36.0 -11:17:22  9.5  0.23  69
533559         17:04:54.6 -11:30:23 14.9        69
Positions are for J2000

Event circumstances last updated at 2022/10/05 04:13:03 UT

Marc W. Buie, Southwest Research Institute

RECON