RECON: TNO occultation with 523716

Event between (523716) 14KW101 and star GA0900:16045350 with event index number of 2374997

Geocentric closest approach at 2022/06/22 05:59:06 UTC

J2000 position of star is 21:02:12.2 +01:32:10
Equinox of date position of star is 21:03:18.6 +01:37:23
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 59 degrees from the moon. Moon is 39% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 39.0 AU from the Sun and 38.4 AU from the Earth.
The TNO is moving 15.9 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 112 seconds.
The 1-sigma cross-track error in the shadow position is 1419 km.
The sky-plane scale is 27831.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.1
Diameter=371.5 km assuming a 5% albedo -- 23.4 sec chord
Diameter=151.7 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 523716, (2022/06/22 05:59UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:53.2 -29:30:10  1.2 41.60  43
Tarazed        19:47:19.7 +10:40:10  2.7 20.93  78
PPM 181099     20:50:26.5 -00:28:44  6.4  3.85  62
PPM 171149     21:02:41.6 +01:35:36  8.2  0.17  59
PPM 171153     21:03:02.7 +01:39:10 10.5  0.08  59
523716         21:03:20.7 +01:37:33 16.3        58
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 06:03:35 -12.0 NT Down 11.6 101.8 Really Low 05:53:45 - 06:13:26 950
Kelowna 06:03:37 -12.3 AT Down 11.6 101.6 Really Low 05:53:47 - 06:13:28 920
Peachland 06:03:38 -12.3 AT Down 11.5 101.4 Really Low 05:53:48 - 06:13:29 911
Summerland 06:03:39 -12.5 AT Down 11.5 101.4 Really Low 05:53:48 - 06:13:29 900
Penticton 06:03:39 -12.6 AT Down 11.6 101.5 Really Low 05:53:48 - 06:13:29 894
Oliver 06:03:41 -12.9 AT Down 11.7 101.4 Really Low 05:53:50 - 06:13:31 866
Anarchist Mountain Observatory 06:03:41 -13.1 AT Down 11.9 101.5 Really Low 05:53:51 - 06:13:32 853
Tonasket 06:03:43 -13.3 AT Down 11.9 101.4 Really Low 05:53:52 - 06:13:33 828
Victoria 06:03:48 -12.2 AT Down 9.3 98.3 Really Low 05:53:57 - 06:13:38 816
Okanogan 06:03:44 -13.6 AT Down 11.9 101.2 Really Low 05:53:54 - 06:13:35 801
Brewster 06:03:46 -13.8 AT Down 11.8 101.0 Really Low 05:53:55 - 06:13:36 780
Manson/Chelan 06:03:47 -13.9 AT Down 11.6 100.7 Really Low 05:53:57 - 06:13:38 763
Wenatchee 06:03:50 -14.2 AT Down 11.6 100.5 Really Low 05:53:59 - 06:13:40 724
Ellensburg 06:03:52 -14.5 AT Down 11.5 100.2 Really Low 05:54:01 - 06:13:42 691
Yakima 06:03:54 -14.9 AT Down 11.6 100.2 Really Low 05:54:03 - 06:13:44 657
Toppenish/White Swan 06:03:55 -15.1 AT Down 11.7 100.2 Really Low 05:54:04 - 06:13:45 639
Pasco 06:03:54 -15.6 AT Down 12.6 101.2 Really Low 05:54:03 - 06:13:44 628
PNWRO 06:03:54 -15.9 AT Down 12.8 101.3 Really Low 05:54:04 - 06:13:45 608
Goldendale 06:03:58 -15.5 AT Down 11.5 99.8 Really Low 05:54:07 - 06:13:48 594
The Dalles 06:03:59 -15.5 AT Down 11.3 99.5 Really Low 05:54:09 - 06:13:50 575
Maupin 06:04:01 -15.9 AT Down 11.5 99.5 Really Low 05:54:10 - 06:13:51 540
Sisters 06:04:05 -16.6 AT Down 11.3 99.0 Really Low 05:54:15 - 06:13:56 466
Redmond 06:04:05 -16.7 AT Down 11.6 99.3 Really Low 05:54:14 - 06:13:55 463
Bend 06:04:06 -16.9 AT Down 11.5 99.1 Really Low 05:54:15 - 06:13:56 445
Oregon Observatory 06:04:07 -17.0 AT Down 11.4 99.0 Really Low 05:54:16 - 06:13:57 431
La Pine/Gilchrist 06:04:08 -17.1 AT Down 11.4 98.9 Really Low 05:54:17 - 06:13:58 413
North Lake 06:04:09 -17.7 AT Down 11.9 99.3 Really Low 05:54:18 - 06:13:59 375
Paisley 06:04:11 -18.3 Dark Down 12.3 99.4 Really Low 05:54:20 - 06:14:01 327
Chiloquin 06:04:13 -18.0 AT Down 11.4 98.5 Really Low 05:54:22 - 06:14:03 317
Klamath Falls 06:04:14 -18.3 Dark Down 11.5 98.5 Really Low 05:54:24 - 06:14:05 286
Lakeview 06:04:13 -18.8 Dark Down 12.5 99.4 Really Low 05:54:22 - 06:14:03 282
Cedarville 06:04:15 -19.5 Dark Down 12.8 99.4 Really Low 05:54:25 - 06:14:06 224
Fall River/Burney 06:04:19 -19.5 Dark Down 11.9 98.5 Really Low 05:54:28 - 06:14:09 182
Susanville 06:04:20 -20.3 Dark Down 12.6 98.9 Really Low 05:54:30 - 06:14:11 125
Dunrhomin 06:03:49 -24.9 Dark Down 24.0 109.8 Low 05:53:58 - 06:13:39 114
Greenville 06:04:22 -20.4 Dark Down 12.4 98.6 Really Low 05:54:31 - 06:14:12 100
Gimple 06:04:22 -20.5 Dark Down 12.5 98.7 Really Low 05:54:31 - 06:14:12 100
Quincy 06:04:22 -20.6 Dark Down 12.5 98.6 Really Low 05:54:32 - 06:14:13 81
Portola 06:04:22 -20.9 Dark Down 12.8 98.9 Really Low 05:54:32 - 06:14:13 70
Reno 06:04:22 -21.4 Dark Down 13.4 99.2 Really Low 05:54:32 - 06:14:13 45
Carson City 06:04:24 -21.7 Dark Down 13.5 99.2 Really Low 05:54:33 - 06:14:14 13
Yerington 06:04:23 -22.1 Dark Down 14.0 99.5 Really Low 05:54:33 - 06:14:14 -6
Gardnerville 06:04:25 -21.9 Dark Down 13.5 99.1 Really Low 05:54:34 - 06:14:15 -10
Hawthorne 06:04:24 -22.7 Dark Down 14.5 99.8 Really Low 05:54:34 - 06:14:15 -49
Tonopah 06:04:24 -23.6 Dark Down 15.6 100.6 Really Low 05:54:33 - 06:14:14 -92
Lee Vining 06:04:27 -23.0 Dark Down 14.2 99.3 Really Low 05:54:37 - 06:14:18 -100
Bishop 06:04:28 -23.8 Dark Down 14.8 99.6 Really Low 05:54:38 - 06:14:19 -156
Beatty 06:04:27 -24.8 Dark Down 16.2 100.6 Really Low 05:54:37 - 06:14:18 -200
Indian Springs 06:04:26 -25.5 Dark Down 17.1 101.2 Really Low 05:54:36 - 06:14:17 -231
Henderson 06:04:27 -26.2 Dark Down 17.8 101.4 Really Low 05:54:36 - 06:14:17 -282
Patrick 06:04:27 -27.2 Dark Down 18.8 102.0 Really Low 05:54:36 - 06:14:17 -341
CPSLO 06:04:39 -24.8 Dark Down 13.4 97.7 Really Low 05:54:48 - 06:14:29 -350
Kingman/Dolan Springs 06:04:27 -27.3 Dark Down 18.7 101.8 Really Low 05:54:37 - 06:14:18 -363
Laughlin/Bullhead City 06:04:29 -27.2 Dark Down 18.3 101.4 Really Low 05:54:38 - 06:14:19 -365
Mohave Valley 06:04:30 -27.4 Dark Down 18.3 101.4 Really Low 05:54:39 - 06:14:20 -391
Lake Havasu City 06:04:30 -27.9 Dark Down 18.6 101.4 Really Low 05:54:40 - 06:14:21 -430
Parker 06:04:31 -28.2 Dark Down 18.7 101.3 Really Low 05:54:41 - 06:14:22 -463
Wildwood 06:04:40 -26.6 Dark Down 15.2 98.7 Really Low 05:54:49 - 06:14:30 -467
Idyllwild 06:04:38 -27.7 Dark Down 16.8 99.7 Really Low 05:54:47 - 06:14:28 -502
George/Scottsdale 06:04:27 -29.4 Dark Down 20.8 102.6 Low 05:54:37 - 06:14:18 -504
Blythe 06:04:34 -28.6 Dark Down 18.6 100.9 Really Low 05:54:43 - 06:14:24 -514
Calipatria 06:04:37 -28.7 Dark Down 17.9 100.2 Really Low 05:54:47 - 06:14:28 -562
Yuma 06:04:37 -29.4 Dark Down 18.7 100.6 Really Low 05:54:46 - 06:14:27 -604

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 523716, (2022/06/22 05:59UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 41.60  43
Tarazed        19:46:15.6 +10:36:48  2.7 20.93  78
PPM 181099     20:49:17.2 -00:33:48  6.4  3.85  62
PPM 171149     21:01:33.1 +01:30:15  8.2  0.17  59
PPM 171153     21:01:54.2 +01:33:48 10.5  0.08  59
523716         21:02:12.2 +01:32:10 16.3        59
Positions are for J2000

Event circumstances last updated at 2021/10/13 01:34:28 UT

Marc W. Buie, Southwest Research Institute

RECON