RECON: TNO occultation with 579077

Event between (579077) 14LP28 and star GA0860:16837358 with event index number of 2557877

Geocentric closest approach at 2022/08/09 05:03:16 UTC

J2000 position of star is 22:20:39.3 -03:28:19
Equinox of date position of star is 22:21:47.0 -03:21:42
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 60 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 39.3 AU from the Sun and 38.3 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is 1521 km.
The sky-plane scale is 27798.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.3
Diameter=332.7 km assuming a 5% albedo -- 14.4 sec chord
Diameter=135.8 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 579077, (2022/08/09 05:03UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:53.7 -29:30:07  1.2 27.58  58
Markab         23:05:53.3 +15:19:38  2.5 21.63  79
48Gam Aqr      22:22:49.4 -01:16:22  3.8  2.10  61
PPM 206284     22:23:13.2 -03:41:19  8.4  0.48  60
PPM 206254     22:22:00.5 -03:19:38  9.7  0.05  60
579077         22:21:49.6 -03:21:27 16.7        60
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 18.4 km RECON observability=0.3 and success probability=8.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
La Pine/Gilchrist 05:04:25 -16.7 AT Up 16.7 111.9 Really Low 04:54:28 - 05:14:21 619
Oregon Observatory 05:04:25 -16.6 AT Up 16.7 112.0 Really Low 04:54:28 - 05:14:21 604
Bend 05:04:25 -16.6 AT Up 16.7 112.2 Really Low 04:54:28 - 05:14:21 589
Sisters 05:04:25 -16.3 AT Up 16.4 112.1 Really Low 04:54:28 - 05:14:21 584
Redmond 05:04:25 -16.5 AT Up 16.7 112.4 Really Low 04:54:28 - 05:14:21 571
Maupin 05:04:25 -15.9 AT Up 16.4 112.7 Really Low 04:54:28 - 05:14:21 523
Clarence Fulton 05:04:19 -13.2 AT Up 15.4 115.4 Really Low 04:54:23 - 05:14:16 523
Victoria 05:04:25 -12.5 AT Up 13.7 111.7 Really Low 04:54:28 - 05:14:21 519
Kelowna 05:04:21 -13.4 AT Up 15.5 115.2 Really Low 04:54:24 - 05:14:17 510
The Dalles 05:04:25 -15.6 AT Up 16.2 112.7 Really Low 04:54:28 - 05:14:21 509
Peachland 05:04:21 -13.3 AT Up 15.4 114.9 Really Low 04:54:25 - 05:14:18 509
Summerland 05:04:22 -13.5 AT Up 15.5 115.0 Really Low 04:54:26 - 05:14:19 502
Penticton 05:04:22 -13.6 AT Up 15.6 115.1 Really Low 04:54:26 - 05:14:19 499
Goldendale 05:04:25 -15.6 AT Up 16.3 113.1 Really Low 04:54:28 - 05:14:21 491
Oliver 05:04:24 -13.8 AT Up 15.7 115.0 Really Low 04:54:27 - 05:14:20 485
Anarchist Mountain Observatory 05:04:24 -14.0 AT Up 15.9 115.1 Really Low 04:54:28 - 05:14:21 478
Tonasket 05:04:25 -14.2 AT Up 16.0 115.0 Really Low 04:54:28 - 05:14:21 466
Yakima 05:04:25 -15.2 AT Up 16.2 113.5 Really Low 04:54:28 - 05:14:21 465
Toppenish/White Swan 05:04:25 -15.4 AT Up 16.4 113.6 Really Low 04:54:28 - 05:14:21 464
Ellensburg 05:04:25 -14.9 AT Up 16.0 113.6 Really Low 04:54:28 - 05:14:21 460
Okanogan 05:04:25 -14.4 AT Up 16.1 114.7 Really Low 04:54:28 - 05:14:21 457
Manson/Chelan 05:04:25 -14.5 AT Up 15.9 114.2 Really Low 04:54:28 - 05:14:21 456
Wenatchee 05:04:25 -14.7 AT Up 16.0 113.9 Really Low 04:54:28 - 05:14:21 454
Brewster 05:04:25 -14.5 AT Up 16.0 114.5 Really Low 04:54:28 - 05:14:21 453
Pasco 05:04:25 -16.1 AT Up 17.2 114.6 Really Low 04:54:28 - 05:14:21 430
PNWRO 05:04:25 -16.4 AT Up 17.5 114.7 Really Low 04:54:28 - 05:14:21 428
North Lake 05:04:50 -17.4 AT Up 17.3 112.4 Really Low 04:54:53 - 05:14:46 244
Chiloquin 05:04:54 -17.3 AT Up 16.9 111.5 Really Low 04:54:57 - 05:14:50 220
Paisley 05:04:51 -18.0 AT Up 17.8 112.5 Really Low 04:54:55 - 05:14:48 213
Klamath Falls 05:04:55 -17.6 AT Up 17.1 111.4 Really Low 04:54:59 - 05:14:52 202
Lakeview 05:04:53 -18.4 Dark Up 18.1 112.5 Really Low 04:54:57 - 05:14:50 186
Cedarville 05:04:55 -19.0 Dark Up 18.5 112.4 Really Low 04:54:59 - 05:14:52 151
Fall River/Burney 05:04:59 -18.6 Dark Up 17.8 111.4 Really Low 04:55:03 - 05:14:56 139
Susanville 05:05:00 -19.5 Dark Up 18.6 111.7 Really Low 04:55:04 - 05:14:57 98
Greenville 05:05:02 -19.5 Dark Up 18.5 111.4 Really Low 04:55:05 - 05:14:58 86
Gimple 05:05:02 -19.6 Dark Up 18.6 111.5 Really Low 04:55:05 - 05:14:58 85
Quincy 05:05:03 -19.6 Dark Up 18.6 111.4 Really Low 04:55:06 - 05:14:59 75
Portola 05:05:02 -20.0 Dark Up 19.0 111.7 Really Low 04:55:06 - 05:14:59 64
Reno 05:05:02 -20.6 Dark Up 19.5 112.1 Really Low 04:55:06 - 05:14:59 42
Carson City 05:05:04 -20.8 Dark Up 19.7 112.0 Really Low 04:55:07 - 05:15:00 22
Gardnerville 05:05:04 -21.0 Dark Up 19.8 111.9 Really Low 04:55:08 - 05:15:01 8
Yerington 05:05:03 -21.3 Dark Up 20.2 112.4 Low 04:55:07 - 05:15:00 4
Hawthorne 05:05:04 -21.9 Dark Up 20.8 112.6 Low 04:55:08 - 05:15:01 -28
Lee Vining 05:05:07 -22.0 Dark Up 20.6 112.1 Low 04:55:11 - 05:15:04 -54
Tonopah 05:05:03 -23.0 Dark Up 22.0 113.5 Low 04:55:07 - 05:15:00 -72
Bishop 05:05:08 -22.9 Dark Up 21.4 112.4 Low 04:55:11 - 05:15:04 -98
Beatty 05:05:07 -24.1 Dark Up 22.8 113.4 Low 04:55:10 - 05:15:03 -146
Dunrhomin 05:04:25 -27.2 Dark Up 29.0 124.1 Low 04:54:28 - 05:14:21 -171
Indian Springs 05:05:06 -25.0 Dark Up 23.7 114.1 Low 04:55:09 - 05:15:02 -180
CPSLO 05:05:20 -23.0 Dark Up 20.5 110.1 Low 04:55:23 - 05:15:16 -195
Henderson 05:05:06 -25.7 Dark Up 24.4 114.4 Low 04:55:10 - 05:15:03 -223
Patrick 05:05:06 -26.8 Dark Up 25.5 114.9 Low 04:55:10 - 05:15:03 -278
Laughlin/Bullhead City 05:05:08 -26.6 Dark Up 25.1 114.3 Low 04:55:12 - 05:15:05 -283
Kingman/Dolan Springs 05:05:07 -26.9 Dark Up 25.5 114.7 Low 04:55:11 - 05:15:04 -289
Wildwood 05:05:20 -25.0 Dark Up 22.5 111.1 Low 04:55:24 - 05:15:17 -295
Mohave Valley 05:05:09 -26.8 Dark Up 25.2 114.2 Low 04:55:13 - 05:15:06 -300
Lake Havasu City 05:05:10 -27.2 Dark Up 25.6 114.2 Low 04:55:14 - 05:15:07 -329
Idyllwild 05:05:18 -26.4 Dark Up 24.1 112.2 Low 04:55:21 - 05:15:14 -343
Parker 05:05:11 -27.5 Dark Up 25.7 114.1 Low 04:55:15 - 05:15:08 -352
Blythe 05:05:14 -27.7 Dark Up 25.7 113.6 Low 04:55:17 - 05:15:10 -382
Calipatria 05:05:17 -27.5 Dark Up 25.2 112.8 Low 04:55:21 - 05:15:14 -400
George/Scottsdale 05:05:07 -29.2 Dark Up 27.7 115.7 Low 04:55:11 - 05:15:04 -418
Yuma 05:05:17 -28.4 Dark Up 26.1 113.2 Low 04:55:20 - 05:15:13 -442

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 579077, (2022/08/09 05:03UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 27.58  58
Markab         23:04:45.8 +15:12:18  2.5 21.63  79
48Gam Aqr      22:21:39.6 -01:23:14  3.8  2.10  61
PPM 206284     22:22:02.9 -03:48:12  8.4  0.48  60
PPM 206254     22:20:50.2 -03:26:30  9.7  0.05  60
579077         22:20:39.3 -03:28:19 16.7        60
Positions are for J2000

Event circumstances last updated at 2021/10/14 01:42:35 UT

Marc W. Buie, Southwest Research Institute

RECON