RECON: TNO occultation with 14WB556

Event between 14WB556 and star GA0780:00186617 with event index number of 2683778

Geocentric closest approach at 2024/02/09 04:25:45 UTC

J2000 position of star is 02:24:17.8 -10:58:59
Equinox of date position of star is 02:25:22.0 -10:53:04
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 80 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=24.1

[RECON map]
TNO is 47.9 AU from the Sun and 48.2 AU from the Earth.
The TNO is moving 19.4 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 159 seconds.
The 1-sigma cross-track error in the shadow position is 3674 km.
The sky-plane scale is 34963.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=221.8 km assuming a 5% albedo -- 11.4 sec chord
Diameter=90.6 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14WB556, (2024/02/09 04:24UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:41.9 -08:10:32  0.1 42.02 119
68Omi Cet      02:20:34.0 -02:52:09  2.0  8.10  82
PPM 211424     02:23:12.4 -10:40:08  5.4  0.59  79
PPM 211506     02:27:00.3 -10:31:10  8.3  0.52  80
PPM 211459     02:24:47.3 -10:49:45  9.6  0.17  80
14WB556        02:25:28.3 -10:52:29 14.7        80
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 33.4 km RECON observability=0.4 and success probability=9.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 04:31:02 -32.7 Dark Down 14.6 231.1 Really Low 04:17:17 - 04:44:47 2411
Victoria 04:30:57 -31.3 Dark Down 17.5 228.9 Really Low 04:17:12 - 04:44:42 2368
Peachland 04:31:02 -33.3 Dark Down 14.9 231.8 Really Low 04:17:17 - 04:44:47 2304
Kelowna 04:31:02 -33.4 Dark Down 14.6 232.0 Really Low 04:17:17 - 04:44:47 2300
Summerland 04:31:02 -33.4 Dark Down 14.9 231.9 Really Low 04:17:17 - 04:44:47 2287
Penticton 04:31:02 -33.5 Dark Down 14.9 232.0 Really Low 04:17:17 - 04:44:47 2276
Oliver 04:31:02 -33.6 Dark Down 15.1 232.1 Really Low 04:17:17 - 04:44:47 2245
Anarchist Mountain Observatory 04:31:02 -33.8 Dark Down 15.1 232.3 Really Low 04:17:17 - 04:44:47 2221
Tonasket 04:31:02 -33.8 Dark Down 15.3 232.3 Really Low 04:17:17 - 04:44:47 2197
Okanogan 04:31:01 -33.8 Dark Down 15.6 232.3 Really Low 04:17:16 - 04:44:46 2175
Brewster 04:31:01 -33.8 Dark Down 15.9 232.1 Really Low 04:17:16 - 04:44:46 2160
Manson/Chelan 04:31:00 -33.6 Dark Down 16.2 231.9 Really Low 04:17:15 - 04:44:45 2159
Wenatchee 04:30:59 -33.6 Dark Down 16.6 231.8 Really Low 04:17:14 - 04:44:44 2126
Ellensburg 04:30:58 -33.6 Dark Down 17.0 231.7 Really Low 04:17:13 - 04:44:43 2101
Yakima 04:30:58 -33.7 Dark Down 17.2 231.8 Really Low 04:17:13 - 04:44:43 2066
Toppenish/White Swan 04:30:58 -33.8 Dark Down 17.3 232.0 Really Low 04:17:13 - 04:44:43 2039
Goldendale 04:30:57 -33.7 Dark Down 17.9 231.8 Really Low 04:17:12 - 04:44:42 2012
The Dalles 04:30:56 -33.5 Dark Down 18.2 231.5 Really Low 04:17:11 - 04:44:41 2011
Sleaford 04:31:11 -40.2 Dark Down 6.2 243.1 Really Low 04:17:26 - 04:44:56 1995
Maupin 04:30:56 -33.6 Dark Down 18.4 231.7 Really Low 04:17:11 - 04:44:41 1969
PNWRO 04:30:59 -34.9 Dark Down 16.7 233.4 Really Low 04:17:14 - 04:44:44 1935
Sisters 04:30:54 -33.5 Dark Down 19.2 231.5 Really Low 04:17:09 - 04:44:39 1919
Bend 04:30:54 -33.7 Dark Down 19.2 231.8 Really Low 04:17:09 - 04:44:39 1885
Oregon Observatory 04:30:54 -33.7 Dark Down 19.4 231.7 Really Low 04:17:09 - 04:44:39 1877
North Lake 04:30:54 -34.2 Dark Down 19.5 232.4 Really Low 04:17:09 - 04:44:39 1794
Chiloquin 04:30:51 -33.6 Dark Down 20.5 231.8 Low 04:17:06 - 04:44:36 1786
Klamath Falls 04:30:51 -33.8 Dark Down 20.6 231.9 Low 04:17:06 - 04:44:36 1753
Lakeview 04:30:53 -34.8 Dark Down 19.8 233.1 Really Low 04:17:08 - 04:44:38 1675
Fall River/Burney 04:30:49 -34.3 Dark Down 21.1 232.6 Low 04:17:04 - 04:44:34 1632
Cedarville 04:30:52 -35.1 Dark Down 20.1 233.5 Low 04:17:07 - 04:44:37 1609
Susanville 04:30:49 -34.9 Dark Down 21.1 233.4 Low 04:17:04 - 04:44:34 1539
Greenville 04:30:48 -34.7 Dark Down 21.4 233.3 Low 04:17:03 - 04:44:33 1531
Gimple 04:30:48 -34.8 Dark Down 21.4 233.3 Low 04:17:03 - 04:44:33 1526
Quincy 04:30:48 -34.8 Dark Down 21.5 233.3 Low 04:17:03 - 04:44:33 1513
Portola 04:30:48 -35.2 Dark Down 21.3 233.7 Low 04:17:03 - 04:44:33 1477
Reno 04:30:48 -35.7 Dark Down 21.1 234.4 Low 04:17:03 - 04:44:33 1419
Carson City 04:30:48 -35.8 Dark Down 21.3 234.5 Low 04:17:03 - 04:44:33 1387
Gardnerville 04:30:47 -35.9 Dark Down 21.4 234.6 Low 04:17:02 - 04:44:32 1364
Yerington 04:30:48 -36.3 Dark Down 21.0 235.1 Low 04:17:03 - 04:44:33 1337
Hawthorne 04:30:48 -36.8 Dark Down 20.9 235.6 Low 04:17:03 - 04:44:33 1268
Lee Vining 04:30:46 -36.5 Dark Down 21.5 235.4 Low 04:17:01 - 04:44:31 1246
Bishop 04:30:46 -37.2 Dark Down 21.4 236.2 Low 04:17:01 - 04:44:31 1155
Tonopah 04:30:48 -38.0 Dark Down 20.2 236.9 Low 04:17:03 - 04:44:33 1153
Beatty 04:30:46 -38.6 Dark Down 20.6 237.6 Low 04:17:01 - 04:44:31 1028
Indian Springs 04:30:46 -39.5 Dark Down 20.0 238.5 Really Low 04:17:01 - 04:44:31 943
Wildwood 04:30:38 -37.5 Dark Down 23.4 237.1 Low 04:16:53 - 04:44:23 886
Henderson 04:30:46 -40.1 Dark Down 19.8 239.2 Really Low 04:17:01 - 04:44:31 861
Dunrhomin 04:30:59 -46.3 Dark Down 11.0 245.3 Really Low 04:17:14 - 04:44:44 810
Laughlin/Bullhead City 04:30:44 -40.6 Dark Down 19.9 239.8 Really Low 04:16:59 - 04:44:29 763
Idyllwild 04:30:39 -39.1 Dark Down 22.2 238.7 Low 04:16:54 - 04:44:24 751
Patrick 04:30:45 -41.1 Dark Down 19.3 240.2 Really Low 04:17:00 - 04:44:30 748
Mohave Valley 04:30:43 -40.7 Dark Down 20.1 239.8 Low 04:16:58 - 04:44:28 739
Kingman/Dolan Springs 04:30:45 -41.0 Dark Down 19.6 240.1 Really Low 04:17:00 - 04:44:30 738
Lake Havasu City 04:30:43 -40.9 Dark Down 20.1 240.2 Low 04:16:58 - 04:44:28 691
Parker 04:30:42 -41.0 Dark Down 20.3 240.3 Low 04:16:57 - 04:44:27 658
Calipatria 04:30:39 -40.2 Dark Down 21.7 239.7 Low 04:16:54 - 04:44:24 635
Yuma 04:30:38 -41.0 Dark Down 21.2 240.5 Low 04:16:53 - 04:44:23 550
George/Scottsdale 04:30:43 -43.1 Dark Down 18.7 242.1 Really Low 04:16:58 - 04:44:28 497

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 14WB556, (2024/02/09 04:24UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1 42.02 119
68Omi Cet      02:19:20.8 -02:58:45  2.0  8.10  82
PPM 211424     02:22:01.8 -10:46:41  5.4  0.59  79
PPM 211506     02:25:49.8 -10:37:37  8.3  0.52  80
PPM 211459     02:23:36.8 -10:56:15  9.6  0.17  80
14WB556        02:24:17.8 -10:58:59 14.7        80
Positions are for J2000

Event circumstances last updated at 2021/12/21 00:05:15 UT

Marc W. Buie, Southwest Research Institute

RECON