RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0820:06173285 with event index number of 2590200

Geocentric closest approach at 2023/07/22 08:40:38 UTC

J2000 position of star is 17:33:16.1 -06:10:00
Equinox of date position of star is 17:34:26.3 -06:10:49
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 86 seconds.
The 1-sigma cross-track error in the shadow position is 952 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 08:41UT)
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=36.7%
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 08:36:35 -19.1 Dark Down 20.9 230.4 Low 08:28:56 - 08:44:15 1888
Kelowna 08:36:34 -19.5 Dark Down 21.2 230.3 Low 08:28:55 - 08:44:14 1859
Peachland 08:36:35 -19.6 Dark Down 21.4 230.1 Low 08:28:56 - 08:44:15 1857
Summerland 08:36:35 -19.8 Dark Down 21.5 230.2 Low 08:28:55 - 08:44:14 1843
Victoria 08:36:43 -21.1 Dark Down 24.0 227.1 Low 08:29:03 - 08:44:22 1839
Penticton 08:36:34 -19.8 Dark Down 21.4 230.3 Low 08:28:54 - 08:44:13 1835
Oliver 08:36:33 -20.2 Dark Down 21.7 230.4 Low 08:28:54 - 08:44:13 1806
Anarchist Mountain Observatory 08:36:33 -20.3 Dark Down 21.7 230.7 Low 08:28:54 - 08:44:13 1788
Tonasket 08:36:32 -20.6 Dark Down 21.9 230.7 Low 08:28:52 - 08:44:11 1763
Okanogan 08:36:32 -21.0 Dark Down 22.2 230.7 Low 08:28:52 - 08:44:11 1739
Brewster 08:36:32 -21.3 Dark Down 22.5 230.6 Low 08:28:53 - 08:44:12 1721
Manson/Chelan 08:36:33 -21.5 Dark Down 22.8 230.3 Low 08:28:53 - 08:44:12 1712
Wenatchee 08:36:32 -22.0 Dark Down 23.2 230.3 Low 08:28:53 - 08:44:12 1676
Ellensburg 08:36:32 -22.4 Dark Down 23.6 230.2 Low 08:28:53 - 08:44:12 1647
Yakima 08:36:32 -22.8 Dark Down 23.8 230.3 Low 08:28:52 - 08:44:11 1613
Toppenish/White Swan 08:36:30 -23.0 Dark Down 23.9 230.6 Low 08:28:51 - 08:44:10 1590
Goldendale 08:36:31 -23.6 Dark Down 24.5 230.4 Low 08:28:52 - 08:44:11 1553
Pasco 08:36:27 -23.0 Dark Down 23.3 231.8 Low 08:28:48 - 08:44:07 1550
The Dalles 08:36:32 -23.9 Dark Down 24.8 230.1 Low 08:28:52 - 08:44:11 1543
PNWRO 08:36:26 -23.2 Dark Down 23.3 232.0 Low 08:28:47 - 08:44:06 1524
Maupin 08:36:30 -24.3 Dark Down 25.0 230.4 Low 08:28:51 - 08:44:10 1504
Sisters 08:36:31 -25.2 Dark Down 25.9 230.2 Low 08:28:52 - 08:44:11 1441
Redmond 08:36:30 -25.2 Dark Down 25.7 230.6 Low 08:28:50 - 08:44:09 1429
Bend 08:36:30 -25.4 Dark Down 25.9 230.6 Low 08:28:50 - 08:44:09 1414
Oregon Observatory 08:36:30 -25.6 Dark Down 26.1 230.5 Low 08:28:50 - 08:44:09 1402
La Pine/Gilchrist 08:36:30 -25.8 Dark Down 26.2 230.5 Low 08:28:50 - 08:44:09 1386
North Lake 08:36:27 -26.2 Dark Down 26.2 231.2 Low 08:28:48 - 08:44:07 1333
Chiloquin 08:36:29 -26.9 Dark Down 27.1 230.6 Low 08:28:50 - 08:44:09 1297
Paisley 08:36:25 -26.7 Dark Down 26.3 231.8 Low 08:28:46 - 08:44:05 1275
Klamath Falls 08:36:28 -27.3 Dark Down 27.3 230.8 Low 08:28:49 - 08:44:08 1265
Lakeview 08:36:24 -27.2 Dark Down 26.5 232.1 Low 08:28:45 - 08:44:04 1225
Cedarville 08:36:23 -27.8 Dark Down 26.8 232.5 Low 08:28:44 - 08:44:03 1162
Fall River/Burney 08:36:26 -28.4 Dark Down 27.8 231.7 Low 08:28:47 - 08:44:06 1149
Susanville 08:36:23 -29.0 Dark Down 27.8 232.6 Low 08:28:44 - 08:44:03 1073
Greenville 08:36:23 -29.3 Dark Down 28.1 232.4 Low 08:28:44 - 08:44:03 1056
Gimple 08:36:24 -29.3 Dark Down 28.1 232.5 Low 08:28:44 - 08:44:03 1054
Quincy 08:36:24 -29.5 Dark Down 28.2 232.5 Low 08:28:44 - 08:44:03 1037
Portola 08:36:22 -29.5 Dark Down 28.0 233.0 Low 08:28:42 - 08:44:01 1014
Reno 08:36:19 -29.7 Dark Down 27.8 233.7 Low 08:28:40 - 08:43:59 972
Carson City 08:36:19 -30.1 Dark Down 28.0 233.8 Low 08:28:39 - 08:43:58 939
Gardnerville 08:36:19 -30.3 Dark Down 28.1 234.0 Low 08:28:39 - 08:43:58 915
Yerington 08:36:17 -30.2 Dark Down 27.7 234.5 Low 08:28:37 - 08:43:56 904
Hawthorne 08:36:15 -30.6 Dark Down 27.6 235.1 Low 08:28:36 - 08:43:55 847
Lee Vining 08:36:16 -31.2 Dark Down 28.3 234.9 Low 08:28:36 - 08:43:55 807
Tonopah 08:36:10 -30.9 Dark Down 27.0 236.5 Low 08:28:31 - 08:43:50 767
Bishop 08:36:13 -31.7 Dark Down 28.2 235.8 Low 08:28:33 - 08:43:52 732
Dunrhomin 08:35:44 -26.0 Dark Down 17.9 245.1 Really Low 08:28:04 - 08:43:23 689
Beatty 08:36:08 -31.9 Dark Down 27.3 237.4 Low 08:28:28 - 08:43:47 645
CPSLO 08:36:18 -34.0 Dark Down 30.8 234.9 Up 08:28:39 - 08:43:58 598
Indian Springs 08:36:04 -32.1 Dark Down 26.8 238.4 Low 08:28:25 - 08:43:44 585
Henderson 08:36:02 -32.5 Dark Down 26.6 239.2 Low 08:28:22 - 08:43:41 516
Patrick 08:35:58 -32.8 Dark Down 26.1 240.3 Low 08:28:18 - 08:43:37 426
Wildwood 08:36:11 -35.0 Dark Down 30.1 237.2 Up 08:28:31 - 08:43:50 425
Laughlin/Bullhead City 08:36:00 -33.2 Dark Down 26.8 239.8 Low 08:28:20 - 08:43:39 420
Kingman/Dolan Springs 08:35:58 -33.1 Dark Down 26.4 240.2 Low 08:28:19 - 08:43:38 409
Mohave Valley 08:35:59 -33.5 Dark Down 26.9 240.0 Low 08:28:20 - 08:43:39 394
Lake Havasu City 08:35:58 -33.8 Dark Down 26.9 240.3 Low 08:28:19 - 08:43:38 348
Idyllwild 08:36:04 -35.0 Dark Down 29.0 238.8 Low 08:28:25 - 08:43:44 338
Parker 08:35:58 -34.2 Dark Down 27.1 240.5 Low 08:28:19 - 08:43:38 313
Blythe 08:35:58 -34.7 Dark Down 27.5 240.5 Low 08:28:19 - 08:43:38 269
Calipatria 08:36:01 -35.4 Dark Down 28.5 240.0 Low 08:28:21 - 08:43:40 246
George/Scottsdale 08:35:51 -34.0 Dark Down 25.5 242.5 Low 08:28:11 - 08:43:30 207
Yuma 08:35:58 -35.6 Dark Down 28.0 240.9 Low 08:28:18 - 08:43:37 179

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 08:41UT)
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 2021/10/18 00:38:51 UT

Marc W. Buie, Southwest Research Institute

RECON