RECON: TNO occultation with 14WP509

Event between 14WP509 and star GA1160:02852814 with event index number of 1424842

Geocentric closest approach at 2024/12/22 10:36:21 UTC

J2000 position of star is 07:31:28.5 +27:41:16
Equinox of date position of star is 07:32:47.2 +27:38:30
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.
TNO apparent brightness V=21.2

[RECON map]
TNO is 43.1 AU from the Sun and 42.2 AU from the Earth.
The TNO is moving 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 250 seconds.
The 1-sigma cross-track error in the shadow position is 2397 km.
The sky-plane scale is 30570.1 km/arcsec.

The TNO has an absolute magnitude Hv=4.8
Diameter=673.0 km assuming a 5% albedo -- 28.0 sec chord
Diameter=274.8 km assuming a 30% albedo -- 11.4 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 3.6 sigma about the mid-time.
The median site spacing is 24.8 km RECON observability=1.0 and success probability=16.1%
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 10:35:53 -49.1 Dark Up 63.5 218.5 Up 10:20:53 - 10:50:53 -984
Kelowna 10:35:53 -49.3 Dark Up 63.9 218.7 Up 10:20:53 - 10:50:53 -1024
Peachland 10:35:54 -49.5 Dark Up 64.1 218.3 Up 10:20:54 - 10:50:54 -1042
Summerland 10:35:53 -49.5 Dark Up 64.2 218.7 Up 10:20:53 - 10:50:53 -1053
Penticton 10:35:53 -49.5 Dark Up 64.2 218.9 Up 10:20:53 - 10:50:53 -1057
Oliver 10:35:52 -49.7 Dark Up 64.4 219.4 Up 10:20:52 - 10:50:52 -1090
Anarchist Mountain Observatory 10:35:51 -49.6 Dark Up 64.5 220.0 Up 10:20:51 - 10:50:51 -1101
Tonasket 10:35:50 -49.8 Dark Up 64.8 220.3 Up 10:20:50 - 10:50:50 -1132
Okanogan 10:35:51 -50.0 Dark Up 65.1 220.4 Up 10:20:51 - 10:50:51 -1167
Brewster 10:35:50 -50.3 Dark Up 65.4 220.4 Up 10:20:50 - 10:50:50 -1198
Manson/Chelan 10:35:51 -50.6 Dark Up 65.7 220.1 Up 10:20:51 - 10:50:51 -1227
Victoria 10:36:01 -52.2 Dark Up 66.4 212.9 Up 10:21:01 - 10:51:01 -1246
Wenatchee 10:35:51 -50.9 Dark Up 66.1 220.4 Up 10:20:51 - 10:50:51 -1277
Ellensburg 10:35:51 -51.2 Dark Up 66.5 220.6 Up 10:20:51 - 10:50:51 -1322
Pasco 10:35:45 -50.6 Dark Up 66.4 224.4 Up 10:20:45 - 10:50:45 -1356
Yakima 10:35:50 -51.3 Dark Up 66.8 221.2 Up 10:20:50 - 10:50:50 -1361
PNWRO 10:35:44 -50.5 Dark Up 66.5 225.2 Up 10:20:44 - 10:50:44 -1374
Toppenish/White Swan 10:35:49 -51.3 Dark Up 66.9 221.9 Up 10:20:49 - 10:50:49 -1378
Goldendale 10:35:49 -51.8 Dark Up 67.5 221.9 Up 10:20:49 - 10:50:49 -1442
The Dalles 10:35:50 -52.1 Dark Up 67.9 221.5 Up 10:20:50 - 10:50:50 -1474
Dunrhomin 10:34:53 -42.1 Dark Up 60.7 254.6 Up 10:19:53 - 10:49:53 -1486
Maupin 10:35:49 -52.2 Dark Up 68.1 222.4 Up 10:20:49 - 10:50:49 -1511
Redmond 10:35:48 -52.6 Dark Up 68.9 223.8 Up 10:20:48 - 10:50:48 -1602
Sisters 10:35:49 -52.9 Dark Up 69.0 223.0 Up 10:20:49 - 10:50:49 -1610
Bend 10:35:48 -52.8 Dark Up 69.1 223.9 Up 10:20:48 - 10:50:48 -1627
Oregon Observatory 10:35:48 -52.9 Dark Up 69.3 224.0 Up 10:20:48 - 10:50:48 -1647
La Pine/Gilchrist 10:35:47 -53.1 Dark Up 69.4 224.2 Up 10:20:47 - 10:50:47 -1669
North Lake 10:35:45 -52.8 Dark Up 69.4 226.3 Up 10:20:45 - 10:50:45 -1696
Paisley 10:35:42 -52.8 Dark Up 69.6 228.0 Up 10:20:42 - 10:50:42 -1740
Lakeview 10:35:41 -52.8 Dark Up 69.9 229.4 Up 10:20:41 - 10:50:41 -1785
Chiloquin 10:35:47 -53.7 Dark Up 70.4 225.6 Up 10:20:47 - 10:50:47 -1789
Klamath Falls 10:35:45 -53.8 Dark Up 70.6 226.5 Up 10:20:45 - 10:50:45 -1820
Cedarville 10:35:39 -52.9 Dark Up 70.2 231.2 Up 10:20:39 - 10:50:39 -1845
Fall River/Burney 10:35:43 -53.9 Dark Up 71.2 229.8 Up 10:20:43 - 10:50:43 -1928
Susanville 10:35:39 -53.5 Dark Up 71.2 232.7 Up 10:20:39 - 10:50:39 -1970
Gimple 10:35:39 -53.7 Dark Up 71.5 232.9 Up 10:20:39 - 10:50:39 -2004
Greenville 10:35:40 -53.8 Dark Up 71.5 232.8 Up 10:20:40 - 10:50:40 -2006
Portola 10:35:38 -53.5 Dark Up 71.4 234.5 Up 10:20:38 - 10:50:38 -2025
Quincy 10:35:39 -53.9 Dark Up 71.6 233.3 Up 10:20:39 - 10:50:39 -2026
Reno 10:35:34 -53.1 Dark Up 71.2 236.4 Up 10:20:34 - 10:50:34 -2033
Carson City 10:35:34 -53.2 Dark Up 71.3 237.3 Up 10:20:34 - 10:50:34 -2068
Yerington 10:35:31 -52.8 Dark Up 71.0 238.9 Up 10:20:31 - 10:50:31 -2069
Gardnerville 10:35:34 -53.2 Dark Up 71.4 238.0 Up 10:20:34 - 10:50:34 -2091
Hawthorne 10:35:30 -52.5 Dark Up 70.9 241.0 Up 10:20:30 - 10:50:30 -2100
Tonopah 10:35:24 -51.5 Dark Up 70.2 244.5 Up 10:20:24 - 10:50:24 -2103
Lee Vining 10:35:30 -53.0 Dark Up 71.5 241.6 Up 10:20:30 - 10:50:30 -2171
Indian Springs 10:35:16 -50.5 Dark Up 69.6 250.4 Up 10:20:16 - 10:50:16 -2202
Beatty 10:35:20 -51.3 Dark Up 70.3 248.1 Up 10:20:20 - 10:50:20 -2204
Bishop 10:35:26 -52.5 Dark Up 71.3 244.4 Up 10:20:26 - 10:50:26 -2209
Henderson 10:35:13 -50.0 Dark Up 69.3 252.6 Up 10:20:13 - 10:50:13 -2233
Patrick 10:35:08 -49.2 Dark Up 68.6 255.5 Up 10:20:08 - 10:50:08 -2258
Kingman/Dolan Springs 10:35:08 -49.4 Dark Up 68.8 255.8 Up 10:20:08 - 10:50:08 -2286
Laughlin/Bullhead City 10:35:10 -49.8 Dark Up 69.2 255.3 Up 10:20:10 - 10:50:10 -2306
Mohave Valley 10:35:09 -49.8 Dark Up 69.3 256.0 Up 10:20:09 - 10:50:09 -2334
George/Scottsdale 10:34:58 -47.7 Dark Up 67.3 261.5 Up 10:19:58 - 10:49:58 -2357
Lake Havasu City 10:35:08 -49.6 Dark Up 69.2 257.3 Up 10:20:08 - 10:50:08 -2365
Parker 10:35:07 -49.6 Dark Up 69.2 258.2 Up 10:20:07 - 10:50:07 -2400
Blythe 10:35:07 -49.9 Dark Up 69.6 259.3 Up 10:20:07 - 10:50:07 -2463
CPSLO 10:35:31 -54.6 Dark Up 73.8 246.6 Up 10:20:31 - 10:50:31 -2488
Idyllwild 10:35:14 -51.6 Dark Up 71.2 256.8 Up 10:20:14 - 10:50:14 -2522
Calipatria 10:35:10 -50.7 Dark Up 70.4 259.7 Up 10:20:10 - 10:50:10 -2544
Wildwood 10:35:22 -53.2 Dark Up 72.6 253.5 Up 10:20:22 - 10:50:22 -2547
Yuma 10:35:05 -50.0 Dark Up 69.7 261.7 Up 10:20:05 - 10:50:05 -2557

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 2021/03/01 01:07:33 UT

Marc W. Buie, Southwest Research Institute

RECON