RECON: TNO occultation with 533398

Event between (533398) 14GA54 and star GA0780:05952782 with event index number of 1607372

Geocentric closest approach at 2021/07/02 04:09:12 UTC

J2000 position of star is 17:10:38.3 -10:17:15
Equinox of date position of star is 17:11:48.1 -10:18:44
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon. Moon is 47% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 31.4 AU from the Sun and 30.5 AU from the Earth.
The TNO is moving 21.5 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 80 seconds.
The 1-sigma cross-track error in the shadow position is 1159 km.
The sky-plane scale is 22103.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 10.0 sec chord
Diameter=88.1 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is REMOVED
 
 
 
 
 
 

Star training set for 533398, (2021/07/02 04:09UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.7 -26:28:40  0.9 18.85 123
35Eta Oph      17:11:36.8 -15:45:00  2.6  5.44 116
PPM 232685     17:10:59.4 -10:32:59  5.6  0.31 117
PPM 200424     17:12:42.4 -09:57:09  8.3  0.42 116
PPM 232723     17:12:23.5 -10:26:03  9.6  0.18 116
533398         17:11:49.5 -10:18:46 15.9       116
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 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)
Clarence Fulton 04:10:39 -0.8 CT Down 22.6 143.5 Low 04:03:31 - 04:17:48 3153
Kelowna 04:10:40 -1.0 CT Down 22.9 143.3 Low 04:03:32 - 04:17:49 3132
Peachland 04:10:41 -0.9 CT Down 22.9 143.0 Low 04:03:33 - 04:17:50 3125
Summerland 04:10:42 -1.0 CT Down 23.0 143.0 Low 04:03:33 - 04:17:50 3117
Penticton 04:10:41 -1.1 CT Down 23.1 143.1 Low 04:03:33 - 04:17:50 3114
Oliver 04:10:42 -1.4 CT Down 23.4 143.0 Low 04:03:34 - 04:17:51 3094
Anarchist Mountain Observatory 04:10:42 -1.6 CT Down 23.6 143.2 Low 04:03:34 - 04:17:51 3086
Tonasket 04:10:43 -1.7 CT Down 23.8 143.0 Low 04:03:35 - 04:17:52 3068
Okanogan 04:10:44 -1.9 CT Down 24.1 142.8 Low 04:03:36 - 04:17:53 3048
Victoria 04:10:54 0.2 Sun up Down 22.4 139.2 Low 04:03:46 - 04:18:03 3045
Brewster 04:10:46 -1.9 CT Down 24.2 142.5 Low 04:03:37 - 04:17:54 3032
Manson/Chelan 04:10:47 -1.9 CT Down 24.2 142.1 Low 04:03:39 - 04:17:56 3020
Wenatchee 04:10:49 -2.1 CT Down 24.5 141.8 Low 04:03:40 - 04:17:57 2991
Ellensburg 04:10:50 -2.2 CT Down 24.7 141.5 Low 04:03:42 - 04:17:59 2967
Yakima 04:10:51 -2.5 CT Down 25.1 141.4 Low 04:03:43 - 04:18:00 2943
Toppenish/White Swan 04:10:51 -2.7 CT Down 25.3 141.5 Low 04:03:43 - 04:18:00 2930
Pasco 04:10:48 -3.4 CT Down 25.9 142.7 Low 04:03:40 - 04:17:57 2926
PNWRO 04:10:48 -3.7 CT Down 26.2 142.8 Low 04:03:39 - 04:17:56 2912
Goldendale 04:10:54 -2.8 CT Down 25.6 140.9 Low 04:03:45 - 04:18:02 2895
The Dalles 04:10:55 -2.7 CT Down 25.6 140.5 Low 04:03:47 - 04:18:04 2880
Maupin 04:10:56 -3.1 CT Down 25.9 140.5 Low 04:03:48 - 04:18:05 2855
Sisters 04:11:00 -3.3 CT Down 26.4 139.7 Low 04:03:51 - 04:18:08 2799
Redmond 04:10:59 -3.6 CT Down 26.6 140.1 Low 04:03:50 - 04:18:07 2799
Bend 04:10:59 -3.6 CT Down 26.7 139.9 Low 04:03:51 - 04:18:08 2785
Oregon Observatory 04:11:00 -3.6 CT Down 26.8 139.7 Low 04:03:52 - 04:18:09 2773
La Pine/Gilchrist 04:11:01 -3.7 CT Down 26.9 139.6 Low 04:03:53 - 04:18:10 2760
North Lake 04:11:00 -4.3 CT Down 27.5 140.0 Low 04:03:52 - 04:18:09 2734
Paisley 04:11:00 -4.9 CT Down 28.1 140.2 Low 04:03:52 - 04:18:09 2699
Lakeview 04:11:01 -5.3 CT Down 28.6 140.2 Low 04:03:52 - 04:18:09 2666
Klamath Falls 04:11:05 -4.5 CT Down 27.9 138.8 Low 04:03:57 - 04:18:14 2664
Cedarville 04:11:01 -5.8 CT Down 29.2 140.2 Low 04:03:53 - 04:18:10 2623
Fall River/Burney 04:11:07 -5.4 CT Down 29.0 138.8 Low 04:03:58 - 04:18:15 2585
Dunrhomin 04:10:12 -14.8 AT Down 36.2 155.5 Up 04:03:04 - 04:17:21 2554
Susanville 04:11:06 -6.2 NT Down 29.8 139.3 Low 04:03:57 - 04:18:14 2545
Gimple 04:11:06 -6.3 NT Down 29.9 139.0 Low 04:03:58 - 04:18:15 2525
Greenville 04:11:07 -6.2 NT Down 29.9 138.9 Low 04:03:59 - 04:18:16 2524
Quincy 04:11:08 -6.4 NT Down 30.0 138.8 Up 04:03:59 - 04:18:16 2510
Portola 04:11:06 -6.7 NT Down 30.4 139.2 Up 04:03:58 - 04:18:15 2503
Reno 04:11:04 -7.3 NT Down 30.9 139.8 Up 04:03:56 - 04:18:13 2487
Carson City 04:11:06 -7.5 NT Down 31.2 139.7 Up 04:03:57 - 04:18:14 2462
Yerington 04:11:03 -8.0 NT Down 31.6 140.2 Up 04:03:55 - 04:18:12 2450
Gardnerville 04:11:06 -7.7 NT Down 31.4 139.6 Up 04:03:57 - 04:18:14 2444
Hawthorne 04:11:03 -8.6 NT Down 32.2 140.6 Up 04:03:54 - 04:18:11 2418
Tonopah 04:10:59 -9.8 NT Down 33.3 141.8 Up 04:03:50 - 04:18:07 2388
Lee Vining 04:11:05 -8.7 NT Down 32.4 139.8 Up 04:03:57 - 04:18:14 2376
Bishop 04:11:04 -9.5 NT Down 33.3 140.3 Up 04:03:56 - 04:18:13 2334
Beatty 04:11:00 -10.8 NT Down 34.4 141.8 Up 04:03:51 - 04:18:08 2304
Indian Springs 04:10:56 -11.7 NT Down 35.2 142.7 Up 04:03:48 - 04:18:05 2282
Henderson 04:10:55 -12.4 AT Down 36.0 143.2 Up 04:03:46 - 04:18:03 2243
Patrick 04:10:52 -13.5 AT Down 37.0 144.1 Up 04:03:43 - 04:18:00 2198
Kingman/Dolan Springs 04:10:53 -13.5 AT Down 37.1 143.8 Up 04:03:44 - 04:18:01 2181
Laughlin/Bullhead City 04:10:55 -13.2 AT Down 36.9 143.3 Up 04:03:46 - 04:18:03 2177
CPSLO 04:11:16 -9.4 NT Down 33.6 137.2 Up 04:04:07 - 04:18:24 2171
Mohave Valley 04:10:55 -13.4 AT Down 37.1 143.2 Up 04:03:47 - 04:18:04 2156
Lake Havasu City 04:10:55 -13.8 AT Down 37.5 143.3 Up 04:03:47 - 04:18:04 2126
Parker 04:10:55 -14.1 AT Down 37.8 143.1 Up 04:03:47 - 04:18:04 2099
Wildwood 04:11:11 -11.4 NT Down 35.7 138.7 Up 04:04:02 - 04:18:19 2084
George/Scottsdale 04:10:47 -15.9 AT Down 39.3 145.6 Up 04:03:39 - 04:17:56 2069
Idyllwild 04:11:05 -12.9 AT Down 36.9 140.4 Up 04:03:57 - 04:18:14 2062
Blythe 04:10:58 -14.3 AT Down 38.1 142.6 Up 04:03:49 - 04:18:06 2057
Calipatria 04:11:02 -14.0 AT Down 38.0 141.4 Up 04:03:53 - 04:18:10 2016
Yuma 04:10:59 -14.8 AT Down 38.8 142.1 Up 04:03:51 - 04:18:08 1983

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 533398, (2021/07/02 04:09UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.85 123
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.44 116
PPM 232685     17:09:48.0 -10:31:26  5.6  0.31 117
PPM 200424     17:11:31.4 -09:55:39  8.3  0.42 116
PPM 232723     17:11:12.2 -10:24:33  9.6  0.18 116
533398         17:10:38.3 -10:17:15 15.9       117
Positions are for J2000

Event circumstances last updated at 2021/01/23 20:14:47 UT

Marc W. Buie, Southwest Research Institute

RECON