RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0820:06173285 with event index number of 1606446

Geocentric closest approach at 2023/07/22 08:39:58 UTC

J2000 position of star is 17:33:16.1 -06:10:00
Equinox of date position of star is 17:34:24.1 -06:10:48
Stellar brightness G=14.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 93 degrees from the moon. Moon is 18% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 20.9 AU from the Sun and 20.1 AU from the Earth.
The TNO is moving 18.4 km/sec on the sky relative to the star, or, 4.5 arcsec/hr.
The 1-sigma error in the time of the event is 98 seconds.
The 1-sigma cross-track error in the shadow position is 1006 km.
The sky-plane scale is 14600.0 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 4.3 sec chord
Diameter=32.6 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533396, (2023/07/22 08:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.3 -26:28:56  0.9 25.34  81
60Bet Oph      17:44:38.2 +04:33:33  2.8 11.03  94
PPM 200792     17:34:45.4 -05:45:36  5.6  0.43  92
PPM 200831     17:36:45.8 -05:56:43  8.4  0.60  93
PPM 200788     17:34:39.1 -06:20:01  9.7  0.15  93
533396         17:34:32.0 -06:10:53 14.9        93
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 23.8 km RECON observability=1.0 and success probability=44.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 08:35:55 -19.1 Dark Down 20.9 230.2 Low 08:27:14 - 08:44:36 1054
Kelowna 08:35:55 -19.5 Dark Down 21.3 230.2 Low 08:27:14 - 08:44:36 1026
Peachland 08:35:55 -19.6 Dark Down 21.5 229.9 Low 08:27:14 - 08:44:36 1024
Summerland 08:35:55 -19.8 Dark Down 21.5 230.1 Low 08:27:14 - 08:44:36 1009
Victoria 08:36:02 -21.1 Dark Down 24.1 226.9 Low 08:27:21 - 08:44:43 1006
Penticton 08:35:54 -19.8 Dark Down 21.5 230.2 Low 08:27:13 - 08:44:35 1001
Oliver 08:35:54 -20.2 Dark Down 21.8 230.3 Low 08:27:13 - 08:44:35 973
Anarchist Mountain Observatory 08:35:52 -20.3 Dark Down 21.8 230.5 Low 08:27:11 - 08:44:33 955
Tonasket 08:35:52 -20.6 Dark Down 22.0 230.5 Low 08:27:11 - 08:44:33 930
Okanogan 08:35:52 -21.0 Dark Down 22.3 230.5 Low 08:27:11 - 08:44:33 906
Brewster 08:35:52 -21.3 Dark Down 22.6 230.4 Low 08:27:11 - 08:44:33 888
Manson/Chelan 08:35:53 -21.5 Dark Down 22.9 230.1 Low 08:27:12 - 08:44:34 879
Wenatchee 08:35:52 -22.0 Dark Down 23.3 230.1 Low 08:27:11 - 08:44:33 843
Ellensburg 08:35:52 -22.4 Dark Down 23.7 230.1 Low 08:27:11 - 08:44:33 814
Yakima 08:35:51 -22.8 Dark Down 23.9 230.2 Low 08:27:10 - 08:44:32 780
Toppenish/White Swan 08:35:51 -23.0 Dark Down 24.0 230.4 Low 08:27:10 - 08:44:32 757
Goldendale 08:35:51 -23.6 Dark Down 24.6 230.2 Low 08:27:10 - 08:44:32 720
Pasco 08:35:47 -23.0 Dark Down 23.4 231.6 Low 08:27:06 - 08:44:28 717
The Dalles 08:35:51 -23.9 Dark Down 24.9 230.0 Low 08:27:10 - 08:44:32 710
PNWRO 08:35:46 -23.3 Dark Down 23.4 231.9 Low 08:27:05 - 08:44:27 691
Maupin 08:35:50 -24.3 Dark Down 25.1 230.2 Low 08:27:09 - 08:44:31 672
Sisters 08:35:51 -25.2 Dark Down 26.0 230.1 Low 08:27:10 - 08:44:32 608
Redmond 08:35:50 -25.2 Dark Down 25.7 230.4 Low 08:27:09 - 08:44:31 596
Bend 08:35:50 -25.4 Dark Down 26.0 230.4 Low 08:27:09 - 08:44:31 581
Oregon Observatory 08:35:50 -25.6 Dark Down 26.1 230.3 Low 08:27:09 - 08:44:31 569
La Pine/Gilchrist 08:35:50 -25.8 Dark Down 26.3 230.4 Low 08:27:09 - 08:44:31 553
North Lake 08:35:47 -26.2 Dark Down 26.3 231.1 Low 08:27:06 - 08:44:28 500
Chiloquin 08:35:49 -26.9 Dark Down 27.2 230.5 Low 08:27:08 - 08:44:30 464
Paisley 08:35:45 -26.7 Dark Down 26.4 231.6 Low 08:27:04 - 08:44:26 442
Klamath Falls 08:35:48 -27.3 Dark Down 27.4 230.7 Low 08:27:07 - 08:44:29 432
Lakeview 08:35:44 -27.2 Dark Down 26.6 232.0 Low 08:27:03 - 08:44:25 392
Cedarville 08:35:43 -27.8 Dark Down 26.9 232.4 Low 08:27:02 - 08:44:24 329
Fall River/Burney 08:35:46 -28.4 Dark Down 27.9 231.5 Low 08:27:05 - 08:44:27 317
Susanville 08:35:43 -29.0 Dark Down 27.9 232.4 Low 08:27:02 - 08:44:24 241
Greenville 08:35:43 -29.3 Dark Down 28.2 232.3 Low 08:27:02 - 08:44:24 223
Gimple 08:35:43 -29.3 Dark Down 28.2 232.3 Low 08:27:02 - 08:44:24 221
Quincy 08:35:43 -29.5 Dark Down 28.3 232.4 Low 08:27:02 - 08:44:24 205
Portola 08:35:42 -29.6 Dark Down 28.1 232.8 Low 08:27:01 - 08:44:23 181
Reno 08:35:39 -29.8 Dark Down 27.9 233.5 Low 08:26:58 - 08:44:20 140
Carson City 08:35:39 -30.1 Dark Down 28.1 233.7 Low 08:26:58 - 08:44:20 106
Gardnerville 08:35:39 -30.3 Dark Down 28.2 233.8 Low 08:26:58 - 08:44:20 82
Yerington 08:35:37 -30.2 Dark Down 27.8 234.3 Low 08:26:56 - 08:44:18 71
Hawthorne 08:35:35 -30.6 Dark Down 27.7 235.0 Low 08:26:54 - 08:44:16 14
Lee Vining 08:35:36 -31.2 Dark Down 28.4 234.8 Low 08:26:55 - 08:44:17 -25
Tonopah 08:35:30 -30.9 Dark Down 27.1 236.4 Low 08:26:49 - 08:44:11 -66
Bishop 08:35:33 -31.7 Dark Down 28.3 235.7 Low 08:26:52 - 08:44:14 -101
Dunrhomin 08:35:04 -26.1 Dark Down 18.0 245.0 Really Low 08:26:23 - 08:43:45 -144
Beatty 08:35:28 -32.0 Dark Down 27.4 237.2 Low 08:26:47 - 08:44:09 -188
CPSLO 08:35:38 -34.0 Dark Down 30.9 234.7 Up 08:26:57 - 08:44:19 -235
Indian Springs 08:35:24 -32.1 Dark Down 26.9 238.2 Low 08:26:43 - 08:44:05 -247
Henderson 08:35:22 -32.5 Dark Down 26.7 239.0 Low 08:26:41 - 08:44:03 -317
Patrick 08:35:18 -32.9 Dark Down 26.3 240.2 Low 08:26:37 - 08:43:59 -407
Wildwood 08:35:30 -35.0 Dark Down 30.2 237.0 Up 08:26:49 - 08:44:11 -408
Laughlin/Bullhead City 08:35:20 -33.3 Dark Down 26.9 239.7 Low 08:26:39 - 08:44:01 -412
Kingman/Dolan Springs 08:35:18 -33.1 Dark Down 26.5 240.1 Low 08:26:37 - 08:43:59 -423
Mohave Valley 08:35:19 -33.5 Dark Down 27.0 239.8 Low 08:26:38 - 08:44:00 -439
Lake Havasu City 08:35:18 -33.9 Dark Down 27.0 240.2 Low 08:26:37 - 08:43:59 -484
Idyllwild 08:35:24 -35.0 Dark Down 29.1 238.7 Low 08:26:43 - 08:44:05 -494
Parker 08:35:18 -34.2 Dark Down 27.2 240.4 Low 08:26:37 - 08:43:59 -520
Blythe 08:35:18 -34.8 Dark Down 27.7 240.4 Low 08:26:37 - 08:43:59 -563
Calipatria 08:35:20 -35.4 Dark Down 28.6 239.9 Low 08:26:39 - 08:44:01 -587
George/Scottsdale 08:35:11 -34.0 Dark Down 25.6 242.4 Low 08:26:30 - 08:43:52 -625
Yuma 08:35:18 -35.7 Dark Down 28.1 240.8 Low 08:26:37 - 08:43:59 -653

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 533396, (2023/07/22 08:40UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 25.34  81
60Bet Oph      17:43:28.3 +04:34:06  2.8 11.03  94
PPM 200792     17:33:29.8 -05:44:43  5.6  0.43  92
PPM 200831     17:35:30.1 -05:55:54  8.4  0.60  93
PPM 200788     17:33:23.2 -06:19:07  9.7  0.15  93
533396         17:33:16.1 -06:10:00 14.9        92
Positions are for J2000

Event circumstances last updated at 2021/02/04 21:38:58 UT

Marc W. Buie, Southwest Research Institute

RECON