RECON: TNO occultation with 578832

Event between (578832) 14GP53 and star GA0780:05060284 with event index number of 2550311

Geocentric closest approach at 2022/09/19 03:07:44 UTC

J2000 position of star is 16:06:41.8 -10:38:45
Equinox of date position of star is 16:07:53.6 -10:42:12
Stellar brightness G=14.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon. Moon is 39% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 22.4 AU from the Sun and 22.8 AU from the Earth.
The TNO is moving 20.1 km/sec on the sky relative to the star, or, 4.4 arcsec/hr.
The 1-sigma error in the time of the event is 84 seconds.
The 1-sigma cross-track error in the shadow position is 1387 km.
The sky-plane scale is 16508.7 km/arcsec.

The TNO has an absolute magnitude Hv=8.9
Diameter=98.2 km assuming a 5% albedo -- 4.9 sec chord
Diameter=40.1 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 578832, (2022/09/19 03:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:48.2 -26:28:50  0.9 16.67 150
1Del Oph       16:15:32.3 -03:45:04  2.7  7.20 138
15Psi Sco      16:13:14.7 -10:07:17  4.9  1.43 141
PPM 231210     16:07:50.5 -10:04:16  8.4  0.64 139
PPM 231215     16:07:57.9 -10:45:01  9.4  0.04 140
578832         16:07:56.7 -10:42:20 14.6       140
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 10.7 km RECON observability=0.3 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 03:07:43 -10.9 NT Down 18.1 225.9 Really Low 03:00:15 - 03:15:11 10388
Kelowna 03:07:44 -10.9 NT Down 18.4 225.8 Really Low 03:00:16 - 03:15:12 10376
Peachland 03:07:45 -10.8 NT Down 18.6 225.6 Really Low 03:00:17 - 03:15:13 10369
Penticton 03:07:45 -11.0 NT Down 18.7 225.8 Really Low 03:00:17 - 03:15:13 10367
Summerland 03:07:44 -10.9 NT Down 18.7 225.7 Really Low 03:00:16 - 03:15:12 10367
Oliver 03:07:47 -11.1 NT Down 18.9 225.9 Really Low 03:00:19 - 03:15:15 10358
Anarchist Mountain Observatory 03:07:48 -11.2 NT Down 19.0 226.1 Really Low 03:00:20 - 03:15:16 10357
Tonasket 03:07:49 -11.3 NT Down 19.2 226.1 Really Low 03:00:21 - 03:15:17 10347
Okanogan 03:07:50 -11.3 NT Down 19.5 226.1 Really Low 03:00:22 - 03:15:18 10335
Brewster 03:07:50 -11.2 NT Down 19.8 226.0 Really Low 03:00:22 - 03:15:18 10324
Manson/Chelan 03:07:50 -11.0 NT Down 20.1 225.7 Low 03:00:22 - 03:15:18 10312
Wenatchee 03:07:51 -11.0 NT Down 20.5 225.7 Low 03:00:23 - 03:15:19 10295
Pasco 03:07:59 -12.1 AT Down 20.7 227.1 Low 03:00:31 - 03:15:27 10281
Ellensburg 03:07:53 -11.0 NT Down 20.9 225.6 Low 03:00:25 - 03:15:21 10279
PNWRO 03:08:01 -12.4 AT Down 20.8 227.4 Low 03:00:33 - 03:15:29 10278
Victoria 03:07:38 -8.7 NT Down 21.2 222.5 Low 03:00:10 - 03:15:06 10271
Yakima 03:07:54 -11.1 NT Down 21.2 225.7 Low 03:00:26 - 03:15:22 10266
Dunrhomin 03:08:53 -23.9 Dark Down 15.9 240.5 Really Low 03:01:25 - 03:16:21 10263
Toppenish/White Swan 03:07:56 -11.3 NT Down 21.3 225.9 Low 03:00:28 - 03:15:24 10263
Goldendale 03:07:55 -11.1 NT Down 21.9 225.7 Low 03:00:27 - 03:15:23 10238
The Dalles 03:07:56 -10.9 NT Down 22.2 225.4 Low 03:00:28 - 03:15:24 10223
Maupin 03:07:59 -11.1 NT Down 22.4 225.6 Low 03:00:31 - 03:15:27 10211
Redmond 03:08:02 -11.2 NT Down 23.1 225.8 Low 03:00:34 - 03:15:30 10179
Sisters 03:08:00 -11.0 NT Down 23.3 225.5 Low 03:00:32 - 03:15:28 10172
Bend 03:08:02 -11.2 NT Down 23.3 225.8 Low 03:00:34 - 03:15:30 10169
Oregon Observatory 03:08:02 -11.1 NT Down 23.5 225.7 Low 03:00:34 - 03:15:30 10160
La Pine/Gilchrist 03:08:03 -11.2 NT Down 23.7 225.7 Low 03:00:35 - 03:15:31 10152
North Lake 03:08:06 -11.7 NT Down 23.7 226.4 Low 03:00:38 - 03:15:34 10147
Paisley 03:08:09 -12.1 AT Down 23.9 226.9 Low 03:00:41 - 03:15:37 10134
Lakeview 03:08:12 -12.3 AT Down 24.1 227.3 Low 03:00:44 - 03:15:40 10118
Chiloquin 03:08:06 -11.2 NT Down 24.7 225.8 Low 03:00:38 - 03:15:34 10103
Cedarville 03:08:15 -12.6 AT Down 24.4 227.7 Low 03:00:47 - 03:15:43 10096
Klamath Falls 03:08:07 -11.3 NT Down 24.8 226.0 Low 03:00:39 - 03:15:35 10091
Fall River/Burney 03:08:13 -11.8 NT Down 25.4 226.7 Low 03:00:45 - 03:15:41 10052
Susanville 03:08:18 -12.5 AT Down 25.4 227.6 Low 03:00:50 - 03:15:46 10041
Gimple 03:08:19 -12.5 AT Down 25.7 227.6 Low 03:00:51 - 03:15:47 10025
Greenville 03:08:18 -12.4 AT Down 25.8 227.5 Low 03:00:50 - 03:15:46 10023
Reno 03:08:24 -13.4 AT Down 25.5 228.7 Low 03:00:56 - 03:15:52 10020
Portola 03:08:21 -12.8 AT Down 25.7 228.0 Low 03:00:53 - 03:15:49 10019
Quincy 03:08:19 -12.4 AT Down 25.9 227.5 Low 03:00:51 - 03:15:47 10014
Yerington 03:08:28 -14.0 AT Down 25.5 229.5 Low 03:01:00 - 03:15:56 10009
Carson City 03:08:26 -13.5 AT Down 25.8 228.9 Low 03:00:58 - 03:15:54 10005
Tonopah 03:08:38 -15.8 AT Down 24.9 231.5 Low 03:01:10 - 03:16:06 10005
Hawthorne 03:08:31 -14.6 AT Down 25.5 230.1 Low 03:01:03 - 03:15:59 9999
Gardnerville 03:08:27 -13.6 AT Down 25.9 229.0 Low 03:00:59 - 03:15:55 9995
Lee Vining 03:08:30 -14.3 AT Down 26.1 229.9 Low 03:01:02 - 03:15:58 9964
Indian Springs 03:08:48 -17.4 AT Down 24.8 233.4 Low 03:01:20 - 03:16:16 9963
Beatty 03:08:43 -16.4 AT Down 25.3 232.4 Low 03:01:15 - 03:16:11 9959
Bishop 03:08:37 -15.0 AT Down 26.1 230.8 Low 03:01:09 - 03:16:05 9950
Henderson 03:08:52 -18.1 Dark Down 24.7 234.2 Low 03:01:24 - 03:16:20 9949
Patrick 03:08:53 -19.1 Dark Down 24.3 235.3 Low 03:01:25 - 03:16:21 9939
Kingman/Dolan Springs 03:08:53 -19.0 Dark Down 24.5 235.2 Low 03:01:25 - 03:16:21 9925
Laughlin/Bullhead City 03:08:53 -18.6 Dark Down 24.9 234.8 Low 03:01:25 - 03:16:21 9914
Mohave Valley 03:08:53 -18.7 Dark Down 25.0 234.9 Low 03:01:25 - 03:16:21 9901
George/Scottsdale 03:08:53 -21.2 Dark Down 23.8 237.5 Low 03:01:25 - 03:16:21 9892
Lake Havasu City 03:08:53 -19.0 Dark Down 25.1 235.3 Low 03:01:25 - 03:16:21 9886
Parker 03:08:53 -19.1 Dark Down 25.3 235.5 Low 03:01:25 - 03:16:21 9869
Blythe 03:08:53 -19.0 Dark Down 25.8 235.4 Low 03:01:25 - 03:16:21 9837
Idyllwild 03:08:53 -17.3 AT Down 27.2 233.7 Low 03:01:25 - 03:16:21 9804
CPSLO 03:08:36 -13.7 AT Down 28.8 229.7 Low 03:01:08 - 03:16:04 9803
Calipatria 03:08:53 -18.4 Dark Down 26.7 234.9 Low 03:01:25 - 03:16:21 9794
Yuma 03:08:53 -19.2 Dark Down 26.3 235.8 Low 03:01:25 - 03:16:21 9789
Wildwood 03:08:50 -15.7 AT Down 28.2 232.0 Low 03:01:22 - 03:16:18 9785

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 578832, (2022/09/19 03:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.67 150
1Del Oph       16:14:20.7 -03:41:43  2.7  7.20 138
15Psi Sco      16:12:00.0 -10:03:52  4.9  1.43 141
PPM 231210     16:06:35.9 -10:00:41  8.4  0.64 139
PPM 231215     16:06:42.9 -10:41:26  9.4  0.04 140
578832         16:06:41.8 -10:38:45 14.6       140
Positions are for J2000

Event circumstances last updated at 2021/10/14 01:46:25 UT

Marc W. Buie, Southwest Research Institute

RECON