RECON: TNO occultation with 533396

Event between (533396) 14GQ53 and star GA0860:05247453 with event index number of 1606270

Geocentric closest approach at 2021/07/06 04:18:12 UTC

J2000 position of star is 17:02:39.6 -03:17:09
Equinox of date position of star is 17:03:45.9 -03:18:53
Stellar brightness G=15.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 157 degrees from the moon. Moon is 13% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 20.1 AU from the Sun and 19.3 AU from the Earth.
The TNO is moving 19.7 km/sec on the sky relative to the star, or, 5.1 arcsec/hr.
The 1-sigma error in the time of the event is 61 seconds.
The 1-sigma cross-track error in the shadow position is 795 km.
The sky-plane scale is 14000.7 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 4.1 sec chord
Diameter=32.6 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 533396, (2021/07/06 04:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.8 -26:28:40  0.9 24.48 170
13Zet Oph      16:38:20.7 -10:36:32  2.6  9.64 167
PPM 179990     17:06:38.8 -00:55:12  5.4  2.50 155
PPM 200274     17:02:48.9 -03:47:57  8.3  0.54 158
PPM 200296     17:04:45.5 -03:01:21  9.4  0.38 157
533396         17:03:47.3 -03:18:55 15.2       157
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 36.2 km RECON observability=0.1 and success probability=0.9%
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 04:18:44 -2.0 CT Down 32.0 149.0 Up 04:13:11 - 04:24:17 3803
Kelowna 04:18:45 -2.2 CT Down 32.3 148.7 Up 04:13:12 - 04:24:18 3782
Peachland 04:18:46 -2.1 CT Down 32.3 148.4 Up 04:13:13 - 04:24:19 3780
Summerland 04:18:46 -2.3 CT Down 32.5 148.4 Up 04:13:13 - 04:24:19 3770
Penticton 04:18:46 -2.4 CT Down 32.5 148.5 Up 04:13:13 - 04:24:19 3765
Victoria 04:19:01 -1.0 CT Down 32.0 144.0 Up 04:13:28 - 04:24:34 3753
Oliver 04:18:47 -2.6 CT Down 32.8 148.4 Up 04:13:14 - 04:24:20 3744
Anarchist Mountain Observatory 04:18:47 -2.8 CT Down 33.1 148.6 Up 04:13:14 - 04:24:20 3732
Tonasket 04:18:48 -3.0 CT Down 33.3 148.4 Up 04:13:15 - 04:24:21 3715
Okanogan 04:18:49 -3.1 CT Down 33.5 148.1 Up 04:13:16 - 04:24:22 3697
Brewster 04:18:51 -3.2 CT Down 33.7 147.8 Up 04:13:18 - 04:24:24 3683
Manson/Chelan 04:18:53 -3.1 CT Down 33.7 147.3 Up 04:13:20 - 04:24:26 3675
Wenatchee 04:18:54 -3.3 CT Down 34.1 147.0 Up 04:13:21 - 04:24:27 3649
Ellensburg 04:18:56 -3.5 CT Down 34.3 146.6 Up 04:13:23 - 04:24:29 3626
Yakima 04:18:57 -3.7 CT Down 34.7 146.4 Up 04:13:24 - 04:24:30 3601
Toppenish/White Swan 04:18:57 -4.0 CT Down 34.9 146.5 Up 04:13:24 - 04:24:30 3586
Pasco 04:18:53 -4.7 CT Down 35.5 147.9 Up 04:13:20 - 04:24:26 3561
Goldendale 04:19:00 -4.1 CT Down 35.2 145.8 Up 04:13:27 - 04:24:33 3557
The Dalles 04:19:02 -4.0 CT Down 35.3 145.3 Up 04:13:29 - 04:24:35 3547
PNWRO 04:18:53 -5.0 CT Down 35.8 148.1 Up 04:13:20 - 04:24:26 3542
Maupin 04:19:03 -4.4 CT Down 35.7 145.3 Up 04:13:30 - 04:24:36 3519
Sisters 04:19:06 -4.6 CT Down 36.2 144.4 Up 04:13:33 - 04:24:39 3469
Redmond 04:19:05 -4.9 CT Down 36.4 144.8 Up 04:13:32 - 04:24:38 3462
Bend 04:19:07 -4.9 CT Down 36.5 144.6 Up 04:13:34 - 04:24:40 3450
Oregon Observatory 04:19:07 -5.0 CT Down 36.6 144.4 Up 04:13:34 - 04:24:40 3440
La Pine/Gilchrist 04:19:08 -5.1 CT Down 36.7 144.2 Up 04:13:35 - 04:24:41 3428
North Lake 04:19:07 -5.7 CT Down 37.3 144.7 Up 04:13:34 - 04:24:40 3390
Paisley 04:19:07 -6.2 NT Down 37.9 144.9 Up 04:13:34 - 04:24:40 3348
Klamath Falls 04:19:13 -5.8 CT Down 37.8 143.3 Up 04:13:40 - 04:24:46 3333
Lakeview 04:19:07 -6.7 NT Down 38.4 144.8 Up 04:13:34 - 04:24:40 3311
Cedarville 04:19:09 -7.2 NT Down 39.0 144.8 Up 04:13:36 - 04:24:42 3263
Fall River/Burney 04:19:15 -6.8 NT Down 38.9 143.1 Up 04:13:42 - 04:24:48 3246
Susanville 04:19:14 -7.6 NT Down 39.7 143.7 Up 04:13:41 - 04:24:47 3191
Greenville 04:19:15 -7.6 NT Down 39.8 143.2 Up 04:13:42 - 04:24:48 3175
Gimple 04:19:15 -7.7 NT Down 39.9 143.3 Up 04:13:42 - 04:24:48 3174
Quincy 04:19:16 -7.7 NT Down 40.0 143.1 Up 04:13:43 - 04:24:49 3161
Portola 04:19:14 -8.1 NT Down 40.3 143.6 Up 04:13:41 - 04:24:47 3145
Reno 04:19:13 -8.7 NT Down 40.8 144.2 Up 04:13:40 - 04:24:46 3116
Carson City 04:19:13 -8.9 NT Down 41.1 144.1 Up 04:13:40 - 04:24:46 3089
Gardnerville 04:19:13 -9.1 NT Down 41.3 144.0 Up 04:13:40 - 04:24:46 3071
Yerington 04:19:11 -9.4 NT Down 41.6 144.7 Up 04:13:38 - 04:24:44 3065
Hawthorne 04:19:11 -10.0 NT Down 42.2 145.1 Up 04:13:38 - 04:24:44 3023
Lee Vining 04:19:13 -10.1 NT Down 42.4 144.2 Up 04:13:40 - 04:24:46 2989
Tonopah 04:19:05 -11.1 NT Down 43.2 146.6 Up 04:13:32 - 04:24:38 2966
Bishop 04:19:12 -10.9 NT Down 43.2 144.8 Up 04:13:39 - 04:24:45 2932
Dunrhomin 04:18:13 -16.0 AT Down 45.1 163.0 Up 04:12:40 - 04:23:46 2931
Beatty 04:19:07 -12.2 AT Down 44.3 146.5 Up 04:13:34 - 04:24:40 2870
Indian Springs 04:19:03 -13.0 AT Down 45.1 147.7 Up 04:13:30 - 04:24:36 2827
CPSLO 04:19:26 -10.8 NT Down 43.8 140.9 Up 04:13:53 - 04:24:59 2807
Henderson 04:19:02 -13.8 AT Down 45.8 148.3 Up 04:13:29 - 04:24:35 2774
Patrick 04:18:58 -14.9 AT Down 46.8 149.4 Up 04:13:25 - 04:24:31 2706
Laughlin/Bullhead City 04:19:01 -14.6 AT Down 46.7 148.4 Up 04:13:28 - 04:24:34 2698
Kingman/Dolan Springs 04:19:00 -14.9 AT Down 46.9 149.0 Up 04:13:27 - 04:24:33 2691
Wildwood 04:19:21 -12.9 AT Down 45.8 142.7 Up 04:13:48 - 04:24:54 2678
Mohave Valley 04:19:02 -14.8 AT Down 47.0 148.2 Up 04:13:29 - 04:24:35 2676
Lake Havasu City 04:19:02 -15.2 AT Down 47.4 148.3 Up 04:13:29 - 04:24:35 2639
Idyllwild 04:19:14 -14.3 AT Down 47.0 144.8 Up 04:13:41 - 04:24:47 2619
Parker 04:19:02 -15.5 AT Down 47.7 148.1 Up 04:13:29 - 04:24:35 2610
Blythe 04:19:05 -15.7 AT Down 48.1 147.5 Up 04:13:32 - 04:24:38 2573
Calipatria 04:19:10 -15.4 AT Down 48.1 145.9 Up 04:13:37 - 04:24:43 2548
George/Scottsdale 04:18:53 -17.3 AT Down 49.1 151.2 Up 04:13:20 - 04:24:26 2533
Yuma 04:19:06 -16.3 AT Down 48.8 146.8 Up 04:13:33 - 04:24:39 2497

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, (2021/07/06 04:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 24.48 170
13Zet Oph      16:37:09.6 -10:34:01  2.6  9.64 167
PPM 179990     17:05:32.2 -00:53:32  5.4  2.50 155
PPM 200274     17:01:40.9 -03:46:10  8.3  0.54 158
PPM 200296     17:03:37.9 -02:59:37  9.4  0.38 157
533396         17:02:39.6 -03:17:09 15.2       157
Positions are for J2000

Event circumstances last updated at 2021/01/23 20:26:03 UT

Marc W. Buie, Southwest Research Institute

RECON