RECON: TNO occultation with 14WP509

Event between 14WP509 and star GA1160:02852814 with event index number of 2683357

Geocentric closest approach at 2024/12/22 10:35:25 UTC

J2000 position of star is 07:31:28.5 +27:41:16
Equinox of date position of star is 07:32:57.8 +27:38:08
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 66 degrees from the moon. Moon is 55% illuminated.
Apparent brightness V=20.7

[RECON map]
Object is 43.1 AU from the Sun and 42.2 AU from the Earth.
Apparent velocity is 24.0 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 93 seconds.
The 1-sigma cross-track error in the shadow position is 1581 km.
The sky-plane scale is 30570.1 km/arcsec.

The object has an absolute magnitude Hv=4.3
Diameter=801.7 km assuming a 5% albedo -- 34.0 sec chord
Diameter=327.3 km assuming a 30% albedo -- 13.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14WP509, (2024/12/22 10:36UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.6 +27:57:50  1.1  3.07  63
65 Gem         07:31:21.8 +27:51:45  6.1  0.43  66
PPM 097614     07:32:58.3 +27:34:05  8.3  0.07  66
14WP509        07:33:01.4 +27:38:00 15.8        65
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 22.4 km RECON observability=1.0 and success probability=28.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:34:28 -40.8 Dark Up 56.3 235.9 Up 10:26:12 - 10:42:44 2423
Kamloops 10:35:01 -49.6 Dark Up 63.6 215.7 Up 10:26:45 - 10:43:17 1918
Kelowna 10:34:56 -49.5 Dark Up 64.0 218.3 Up 10:26:40 - 10:43:12 1864
Peachland 10:34:57 -49.7 Dark Up 64.2 217.9 Up 10:26:41 - 10:43:13 1846
Summerland 10:34:57 -49.7 Dark Up 64.2 218.2 Up 10:26:41 - 10:43:13 1835
Penticton 10:34:56 -49.7 Dark Up 64.3 218.5 Up 10:26:40 - 10:43:12 1831
Oliver 10:34:55 -49.8 Dark Up 64.5 219.0 Up 10:26:39 - 10:43:11 1798
Anarchist Mountain Observatory 10:34:54 -49.8 Dark Up 64.6 219.5 Up 10:26:38 - 10:43:10 1787
Okanogan 10:34:54 -50.2 Dark Up 65.2 220.0 Up 10:26:38 - 10:43:10 1720
Brewster 10:34:54 -50.4 Dark Up 65.5 220.0 Up 10:26:38 - 10:43:10 1690
Manson/Chelan 10:34:55 -50.7 Dark Up 65.8 219.6 Up 10:26:39 - 10:43:11 1661
Victoria 10:35:05 -52.3 Dark Up 66.5 212.4 Up 10:26:49 - 10:43:21 1642
Wenatchee 10:34:55 -51.0 Dark Up 66.2 220.0 Up 10:26:39 - 10:43:11 1611
Ellensburg 10:34:54 -51.3 Dark Up 66.6 220.2 Up 10:26:38 - 10:43:10 1566
Yakima 10:34:54 -51.5 Dark Up 67.0 220.7 Up 10:26:38 - 10:43:10 1526
PNWRO 10:34:47 -50.7 Dark Up 66.6 224.8 Up 10:26:31 - 10:43:03 1514
Toppenish/White Swan 10:34:52 -51.5 Dark Up 67.0 221.4 Up 10:26:36 - 10:43:08 1510
The Dalles 10:34:53 -52.3 Dark Up 68.0 221.1 Up 10:26:37 - 10:43:09 1414
Dunrhomin 10:33:57 -42.2 Dark Up 60.9 254.4 Up 10:25:41 - 10:42:13 1399
Nikitin 10:33:55 -42.3 Dark Up 61.0 254.7 Up 10:25:39 - 10:42:11 1381
Maupin 10:34:52 -52.4 Dark Up 68.3 222.0 Up 10:26:36 - 10:43:08 1376
CU-SBO 10:33:56 -42.3 Dark Up 61.0 254.7 Up 10:25:40 - 10:42:12 1372
Sisters 10:34:52 -53.0 Dark Up 69.1 222.5 Up 10:26:36 - 10:43:08 1277
Bend 10:34:51 -53.0 Dark Up 69.2 223.4 Up 10:26:35 - 10:43:07 1261
Oregon Observatory 10:34:51 -53.1 Dark Up 69.4 223.5 Up 10:26:35 - 10:43:07 1240
Chiloquin 10:34:50 -53.9 Dark Up 70.5 225.1 Up 10:26:34 - 10:43:06 1099
Klamath Falls 10:34:49 -53.9 Dark Up 70.7 226.0 Up 10:26:33 - 10:43:05 1067
Cedarville 10:34:43 -53.0 Dark Up 70.3 230.7 Up 10:26:27 - 10:42:59 1042
Fall River/Burney 10:34:46 -54.0 Dark Up 71.3 229.3 Up 10:26:30 - 10:43:02 959
Gimple 10:34:42 -53.9 Dark Up 71.6 232.5 Up 10:26:26 - 10:42:58 883
Greenville 10:34:43 -54.0 Dark Up 71.6 232.3 Up 10:26:27 - 10:42:59 881
Portola 10:34:41 -53.7 Dark Up 71.6 234.0 Up 10:26:25 - 10:42:57 862
Quincy 10:34:43 -54.0 Dark Up 71.8 232.8 Up 10:26:27 - 10:42:59 861
Reno 10:34:38 -53.3 Dark Up 71.3 235.9 Up 10:26:22 - 10:42:54 854
Carson City 10:34:37 -53.4 Dark Up 71.5 236.9 Up 10:26:21 - 10:42:53 818
Yerington 10:34:35 -53.0 Dark Up 71.2 238.5 Up 10:26:19 - 10:42:51 817
Gardnerville 10:34:37 -53.4 Dark Up 71.6 237.6 Up 10:26:21 - 10:42:53 795
Hawthorne 10:34:33 -52.7 Dark Up 71.1 240.6 Up 10:26:17 - 10:42:49 787
Lee Vining 10:34:33 -53.1 Dark Up 71.7 241.2 Up 10:26:17 - 10:42:49 715
Beatty 10:34:23 -51.5 Dark Up 70.5 247.7 Up 10:26:07 - 10:42:39 682
Bishop 10:34:30 -52.7 Dark Up 71.5 244.0 Up 10:26:14 - 10:42:46 677
Patrick 10:34:11 -49.4 Dark Up 68.8 255.2 Up 10:25:55 - 10:42:27 628
Laughlin/Bullhead City 10:34:13 -50.0 Dark Up 69.4 255.0 Up 10:25:57 - 10:42:29 579
George/Scottsdale 10:34:01 -47.9 Dark Up 67.5 261.3 Up 10:25:45 - 10:42:17 528
Lake Havasu City 10:34:11 -49.8 Dark Up 69.3 257.0 Up 10:25:55 - 10:42:27 520
Idyllwild 10:34:17 -51.8 Dark Up 71.4 256.5 Up 10:26:01 - 10:42:33 363
Calipatria 10:34:13 -50.9 Dark Up 70.6 259.5 Up 10:25:57 - 10:42:29 341
Wildwood 10:34:25 -53.4 Dark Up 72.8 253.1 Up 10:26:09 - 10:42:41 339
Yuma 10:34:08 -50.2 Dark Up 69.9 261.5 Up 10:25:52 - 10:42:24 328

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 14WP509, (2024/12/22 10:36UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1  3.07  63
65 Gem         07:29:48.7 +27:54:57  6.1  0.43  66
PPM 097614     07:31:25.4 +27:37:21  8.3  0.07  66
14WP509        07:31:28.5 +27:41:16 15.8        66
Positions are for J2000

Event circumstances last updated at 2024/01/09 04:25:39 UT

Marc W. Buie, Southwest Research Institute

RECON