RECON: TNO occultation with 535026

Event between (535026) 14WV509 and star GA0900:00584509 with event index number of 2695323

Geocentric closest approach at 2029/01/25 04:36:45 UTC

J2000 position of star is 05:10:41.4 +01:57:39
Equinox of date position of star is 05:11:53.5 +01:59:17
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 28 degrees from the moon. Moon is 73% illuminated.
Apparent brightness V=22.8

[RECON map]
Object is 39.7 AU from the Sun and 39.1 AU from the Earth.
Apparent velocity is 16.8 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 533 seconds.
The 1-sigma cross-track error in the shadow position is 4349 km.
The sky-plane scale is 28342.4 km/arcsec.

The object has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 16.1 sec chord
Diameter=112.4 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 535026, (2029/01/25 04:02UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:56.2 -08:10:13  0.1 10.21  37
Bellatrix      05:26:41.5 +06:22:25  1.6  5.68  28
PPM 148621     05:15:02.2 +01:59:59  6.4  0.71  29
PPM 148532     05:11:12.9 +01:57:59  9.4  0.25  28
535026         05:12:12.1 +01:59:41 17.0        29
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 1.7 sigma about the mid-time.
The median site spacing is 19.5 km RECON observability=1.0 and success probability=10.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 04:37:36 -44.7 Dark Up 39.1 193.7 Up 04:22:36 - 04:52:36 2143
Kamloops 04:38:30 -37.2 Dark Up 41.2 175.2 Up 04:23:30 - 04:53:30 1736
Kelowna 04:38:26 -38.0 Dark Up 42.0 176.3 Up 04:23:26 - 04:53:26 1697
Peachland 04:38:27 -37.8 Dark Up 42.1 175.9 Up 04:23:27 - 04:53:27 1682
Summerland 04:38:27 -37.9 Dark Up 42.3 176.0 Up 04:23:27 - 04:53:27 1674
Penticton 04:38:26 -38.0 Dark Up 42.4 176.1 Up 04:23:26 - 04:53:26 1671
Oliver 04:38:26 -38.1 Dark Up 42.7 176.1 Up 04:23:26 - 04:53:26 1645
Anarchist Mountain Observatory 04:38:24 -38.3 Dark Up 42.9 176.4 Up 04:23:24 - 04:53:24 1638
Okanogan 04:38:25 -38.3 Dark Up 43.5 176.0 Up 04:23:25 - 04:53:25 1584
Brewster 04:38:25 -38.2 Dark Up 43.8 175.7 Up 04:23:25 - 04:53:25 1559
Manson/Chelan 04:38:27 -38.1 Dark Up 44.0 175.2 Up 04:23:27 - 04:53:27 1535
Victoria 04:38:41 -35.8 Dark Up 43.1 170.9 Up 04:23:41 - 04:53:41 1509
Wenatchee 04:38:26 -38.1 Dark Up 44.4 174.9 Up 04:23:26 - 04:53:26 1496
Ellensburg 04:38:27 -38.0 Dark Up 44.8 174.6 Up 04:23:27 - 04:53:27 1459
Yakima 04:38:27 -38.1 Dark Up 45.2 174.5 Up 04:23:27 - 04:53:27 1427
PNWRO 04:38:18 -39.3 Dark Up 45.9 176.8 Up 04:23:18 - 04:53:18 1422
Toppenish/White Swan 04:38:26 -38.3 Dark Up 45.5 174.7 Up 04:23:26 - 04:53:26 1415
The Dalles 04:38:28 -37.9 Dark Up 46.2 173.5 Up 04:23:28 - 04:53:28 1335
Dunrhomin 04:37:07 -50.4 Dark Up 50.4 197.8 Up 04:22:07 - 04:52:07 1320
Nikitin 04:37:06 -50.5 Dark Up 50.6 197.8 Up 04:22:06 - 04:52:06 1305
Maupin 04:38:27 -38.1 Dark Up 46.6 173.6 Up 04:23:27 - 04:53:27 1305
CU-SBO 04:37:06 -50.4 Dark Up 50.6 197.7 Up 04:22:06 - 04:52:06 1298
Sisters 04:38:28 -37.9 Dark Up 47.4 172.8 Up 04:23:28 - 04:53:28 1223
Bend 04:38:27 -38.1 Dark Up 47.7 173.2 Up 04:23:27 - 04:53:27 1210
Oregon Observatory 04:38:27 -38.1 Dark Up 47.9 172.9 Up 04:23:27 - 04:53:27 1193
Chiloquin 04:38:28 -38.0 Dark Up 49.1 172.1 Up 04:23:28 - 04:53:28 1075
Klamath Falls 04:38:27 -38.1 Dark Up 49.5 172.2 Up 04:23:27 - 04:53:27 1049
Cedarville 04:38:19 -39.4 Dark Up 50.3 174.5 Up 04:23:19 - 04:53:19 1032
Fall River/Burney 04:38:24 -38.5 Dark Up 50.7 172.6 Up 04:23:24 - 04:53:24 960
Gimple 04:38:20 -39.1 Dark Up 51.6 173.3 Up 04:23:20 - 04:53:20 897
Greenville 04:38:21 -39.0 Dark Up 51.6 173.1 Up 04:23:21 - 04:53:21 895
Portola 04:38:18 -39.4 Dark Up 52.0 173.8 Up 04:23:18 - 04:53:18 880
Quincy 04:38:20 -39.0 Dark Up 51.8 173.1 Up 04:23:20 - 04:53:20 878
Reno 04:38:14 -39.9 Dark Up 52.3 174.8 Up 04:23:14 - 04:53:14 874
Yerington 04:38:10 -40.5 Dark Up 52.9 175.8 Up 04:23:10 - 04:53:10 845
Carson City 04:38:14 -40.0 Dark Up 52.7 174.8 Up 04:23:14 - 04:53:14 844
Gardnerville 04:38:13 -40.1 Dark Up 52.9 174.9 Up 04:23:13 - 04:53:13 825
Hawthorne 04:38:07 -41.0 Dark Up 53.4 176.7 Up 04:23:07 - 04:53:07 819
Lee Vining 04:38:09 -40.7 Dark Up 53.9 175.8 Up 04:23:09 - 04:53:09 757
Beatty 04:37:56 -42.6 Dark Up 55.1 179.7 Up 04:22:56 - 04:52:56 729
Bishop 04:38:05 -41.3 Dark Up 54.6 176.9 Up 04:23:05 - 04:53:05 725
Patrick 04:37:38 -45.1 Dark Up 56.5 184.8 Up 04:22:38 - 04:52:38 680
Laughlin/Bullhead City 04:37:42 -44.6 Dark Up 56.7 183.6 Up 04:22:42 - 04:52:42 638
George/Scottsdale 04:37:25 -46.9 Dark Up 58.0 188.7 Up 04:22:25 - 04:52:25 588
Lake Havasu City 04:37:39 -44.9 Dark Up 57.4 184.1 Up 04:22:39 - 04:52:39 586
Idyllwild 04:37:50 -43.0 Dark Up 58.2 179.7 Up 04:22:50 - 04:52:50 451
Calipatria 04:37:43 -44.0 Dark Up 58.8 181.9 Up 04:22:43 - 04:52:43 429
Wildwood 04:38:01 -41.5 Dark Up 57.8 176.3 Up 04:23:01 - 04:53:01 429
Yuma 04:37:38 -44.8 Dark Up 59.2 183.7 Up 04:22:38 - 04:52:38 416

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 535026, (2029/01/25 04:02UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1 10.21  37
Bellatrix      05:25:07.8 +06:20:58  1.6  5.68  28
PPM 148621     05:13:31.5 +01:58:03  6.4  0.71  29
PPM 148532     05:09:42.2 +01:55:54  9.4  0.25  28
535026         05:10:41.4 +01:57:39 17.0        28
Positions are for J2000

Event circumstances last updated at 2023/02/15 03:50:22 UT

Marc W. Buie, Southwest Research Institute

RECON