RECON: TNO occultation with 14WZ555

Event between 14WZ555 and star GA0760:00248384 with event index number of 2561069

Geocentric closest approach at 2023/08/15 10:09:53 UTC

J2000 position of star is 03:17:37.4 -13:07:41
Equinox of date position of star is 03:18:39.2 -13:02:57
Stellar brightness G=16.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 91 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 36.5 AU from the Sun and 36.4 AU from the Earth.
The TNO is moving 13.4 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 147 seconds.
The 1-sigma cross-track error in the shadow position is 2845 km.
The sky-plane scale is 26368.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=209.9 km assuming a 5% albedo -- 18.7 sec chord
Diameter=85.7 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14WZ555, (2023/08/15 10:10UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:40.4 -08:10:34  0.1 29.12  63
68Omi Cet      02:20:32.5 -02:52:17  2.0 17.62 101
PPM 212980     03:30:43.1 -12:35:41  5.6  2.95  89
PPM 212637     03:16:11.7 -13:44:30  7.4  0.93  92
PPM 212687     03:18:10.7 -13:17:05  9.3  0.28  92
14WZ555        03:18:44.4 -13:02:33 16.3        91
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 23.0 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)
Dunrhomin 10:02:49 -21.8 Dark Down 24.8 136.0 Low 09:50:07 - 10:15:32 4286
Clarence Fulton 10:02:15 -20.5 Dark Down 10.7 126.1 Really Low 09:49:33 - 10:14:58 4270
Kelowna 10:02:16 -20.9 Dark Down 10.9 125.9 Really Low 09:49:34 - 10:14:59 4230
Peachland 10:02:17 -21.0 Dark Down 10.8 125.7 Really Low 09:49:34 - 10:14:59 4208
Summerland 10:02:17 -21.1 Dark Down 10.9 125.7 Really Low 09:49:34 - 10:14:59 4200
Penticton 10:02:17 -21.2 Dark Down 11.0 125.8 Really Low 09:49:35 - 10:15:00 4199
Oliver 10:02:18 -21.5 Dark Down 11.2 125.7 Really Low 09:49:36 - 10:15:01 4169
Anarchist Mountain Observatory 10:02:19 -21.5 Dark Down 11.4 125.9 Really Low 09:49:36 - 10:15:01 4163
Tonasket 10:02:20 -21.8 Dark Down 11.6 125.8 Really Low 09:49:37 - 10:15:02 4134
Okanogan 10:02:20 -22.2 Dark Down 11.7 125.6 Really Low 09:49:38 - 10:15:03 4100
Brewster 10:02:21 -22.5 Dark Down 11.7 125.4 Really Low 09:49:38 - 10:15:03 4068
Manson/Chelan 10:02:21 -22.8 Dark Down 11.7 125.0 Really Low 09:49:38 - 10:15:03 4034
Wenatchee 10:02:23 -23.2 Dark Down 11.9 124.8 Really Low 09:49:41 - 10:15:06 3987
Victoria 10:02:21 -23.3 Dark Down 9.5 122.5 Really Low 09:49:38 - 10:15:03 3950
Pasco 10:02:26 -23.8 Dark Down 13.2 125.6 Really Low 09:49:44 - 10:15:09 3946
Ellensburg 10:02:24 -23.7 Dark Down 12.0 124.6 Really Low 09:49:42 - 10:15:07 3942
PNWRO 10:02:27 -23.9 Dark Down 13.5 125.8 Really Low 09:49:45 - 10:15:10 3936
Yakima 10:02:25 -24.0 Dark Down 12.2 124.5 Really Low 09:49:43 - 10:15:08 3907
Toppenish/White Swan 10:02:26 -24.1 Dark Down 12.4 124.6 Really Low 09:49:44 - 10:15:09 3897
Goldendale 10:02:29 -24.8 Dark Down 12.5 124.2 Really Low 09:49:46 - 10:15:11 3831
The Dalles 10:02:28 -25.1 Dark Down 12.4 123.8 Really Low 09:49:46 - 10:15:11 3796
Maupin 10:02:30 -25.4 Dark Down 12.7 123.8 Really Low 09:49:48 - 10:15:13 3766
Redmond 10:02:32 -26.2 Dark Down 13.1 123.6 Really Low 09:49:50 - 10:15:15 3687
Sisters 10:02:32 -26.3 Dark Down 12.9 123.3 Really Low 09:49:50 - 10:15:15 3670
Bend 10:02:33 -26.5 Dark Down 13.2 123.5 Really Low 09:49:51 - 10:15:16 3663
Oregon Observatory 10:02:33 -26.6 Dark Down 13.2 123.3 Really Low 09:49:51 - 10:15:16 3642
La Pine/Gilchrist 10:02:35 -26.8 Dark Down 13.3 123.2 Really Low 09:49:52 - 10:15:17 3622
North Lake 10:02:37 -27.0 Dark Down 13.9 123.6 Really Low 09:49:54 - 10:15:19 3615
Paisley 10:02:38 -27.3 Dark Down 14.4 123.8 Really Low 09:49:56 - 10:15:21 3588
Lakeview 10:02:39 -27.7 Dark Down 14.8 123.8 Really Low 09:49:57 - 10:15:22 3556
Chiloquin 10:02:38 -27.9 Dark Down 13.7 122.7 Really Low 09:49:56 - 10:15:21 3514
Cedarville 10:02:42 -28.1 Dark Down 15.3 123.8 Really Low 09:49:59 - 10:15:24 3512
Klamath Falls 10:02:39 -28.2 Dark Down 13.9 122.7 Really Low 09:49:57 - 10:15:22 3490
George/Scottsdale 10:03:15 -30.2 Dark Down 25.3 128.1 Low 09:50:32 - 10:15:57 3414
Fall River/Burney 10:02:44 -29.0 Dark Down 14.8 122.8 Really Low 09:50:02 - 10:15:27 3413
Patrick 10:03:07 -30.0 Dark Down 22.9 127.1 Low 09:50:24 - 10:15:49 3404
Susanville 10:02:46 -29.3 Dark Down 15.6 123.2 Really Low 09:50:03 - 10:15:28 3400
Tonopah 10:02:55 -29.7 Dark Down 19.2 125.3 Really Low 09:50:13 - 10:15:38 3399
Henderson 10:03:04 -30.2 Dark Down 21.8 126.4 Low 09:50:22 - 10:15:47 3381
Indian Springs 10:03:02 -30.1 Dark Down 21.1 126.1 Low 09:50:19 - 10:15:44 3378
Kingman/Dolan Springs 10:03:08 -30.3 Dark Down 23.0 126.9 Low 09:50:26 - 10:15:51 3376
Reno 10:02:50 -29.7 Dark Down 16.7 123.7 Really Low 09:50:07 - 10:15:32 3374
Gimple 10:02:47 -29.6 Dark Down 15.6 123.0 Really Low 09:50:04 - 10:15:29 3367
Yerington 10:02:52 -29.8 Dark Down 17.4 124.0 Really Low 09:50:09 - 10:15:34 3365
Greenville 10:02:47 -29.6 Dark Down 15.6 122.9 Really Low 09:50:05 - 10:15:30 3363
Portola 10:02:48 -29.7 Dark Down 16.1 123.2 Really Low 09:50:06 - 10:15:31 3361
Hawthorne 10:02:53 -30.0 Dark Down 18.0 124.3 Really Low 09:50:11 - 10:15:36 3358
Quincy 10:02:48 -29.8 Dark Down 15.7 122.9 Really Low 09:50:06 - 10:15:31 3347
Carson City 10:02:51 -29.9 Dark Down 16.9 123.6 Really Low 09:50:08 - 10:15:33 3347
Laughlin/Bullhead City 10:03:07 -30.6 Dark Down 22.6 126.5 Low 09:50:25 - 10:15:50 3344
Beatty 10:03:00 -30.4 Dark Down 20.2 125.3 Low 09:50:18 - 10:15:43 3339
Gardnerville 10:02:52 -30.1 Dark Down 17.0 123.6 Really Low 09:50:09 - 10:15:34 3330
Mohave Valley 10:03:09 -30.8 Dark Down 22.8 126.4 Low 09:50:27 - 10:15:52 3325
Lake Havasu City 10:03:11 -31.0 Dark Down 23.2 126.5 Low 09:50:28 - 10:15:53 3312
Parker 10:03:13 -31.2 Dark Down 23.4 126.4 Low 09:50:30 - 10:15:55 3289
Lee Vining 10:02:56 -30.6 Dark Down 18.0 123.8 Really Low 09:50:13 - 10:15:38 3288
Bishop 10:02:58 -30.8 Dark Down 18.8 124.2 Really Low 09:50:16 - 10:15:41 3282
Blythe 10:03:14 -31.8 Dark Down 23.6 126.0 Low 09:50:32 - 10:15:57 3234
Yuma 10:03:19 -32.5 Dark Down 24.1 125.6 Low 09:50:36 - 10:16:01 3168
Calipatria 10:03:18 -32.6 Dark Down 23.2 125.1 Low 09:50:35 - 10:16:00 3143
Idyllwild 10:03:14 -32.8 Dark Down 22.0 124.4 Low 09:50:31 - 10:15:56 3113
Wildwood 10:03:13 -33.5 Dark Down 20.5 123.1 Low 09:50:30 - 10:15:55 3030
CPSLO 10:03:07 -33.5 Dark Down 18.4 122.0 Really Low 09:50:25 - 10:15:50 3005

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 14WZ555, (2023/08/15 10:10UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1 29.12  63
68Omi Cet      02:19:20.8 -02:58:45  2.0 17.62 101
PPM 212980     03:29:36.1 -12:40:29  5.6  2.95  89
PPM 212637     03:15:04.9 -13:49:41  7.4  0.93  92
PPM 212687     03:17:03.7 -13:22:13  9.3  0.28  92
14WZ555        03:17:37.4 -13:07:41 16.3        91
Positions are for J2000

Event circumstances last updated at 2021/10/09 01:03:34 UT

Marc W. Buie, Southwest Research Institute

RECON