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 10:35:26 UTC

J2000 position of star is 07:31:28.5 +27:41:16
Equinox of date position of star is 07:32:51.3 +27:38:21
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=20.8

[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 140 seconds.
The 1-sigma cross-track error in the shadow position is 1799 km.
The sky-plane scale is 30570.1 km/arcsec.

The TNO has an absolute magnitude Hv=4.4
Diameter=801.7 km assuming a 5% albedo -- 33.4 sec chord
Diameter=327.3 km assuming a 30% albedo -- 13.6 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 24.1 km RECON observability=1.0 and success probability=27.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:34:30 -40.8 Dark Up 56.2 235.9 Up 10:22:20 - 10:46:40 -447
Kamloops 10:35:02 -49.6 Dark Up 63.6 215.7 Up 10:22:52 - 10:47:12 -952
Kelowna 10:34:58 -49.5 Dark Up 64.0 218.3 Up 10:22:48 - 10:47:08 -1006
Peachland 10:34:59 -49.7 Dark Up 64.2 217.9 Up 10:22:49 - 10:47:09 -1024
Summerland 10:34:59 -49.7 Dark Up 64.2 218.2 Up 10:22:49 - 10:47:09 -1035
Penticton 10:34:58 -49.6 Dark Up 64.2 218.5 Up 10:22:48 - 10:47:08 -1039
Oliver 10:34:58 -49.8 Dark Up 64.5 219.0 Up 10:22:48 - 10:47:08 -1072
Anarchist Mountain Observatory 10:34:57 -49.8 Dark Up 64.6 219.6 Up 10:22:47 - 10:47:07 -1083
Tonasket 10:34:56 -49.9 Dark Up 64.8 219.8 Up 10:22:46 - 10:47:06 -1114
Okanogan 10:34:56 -50.2 Dark Up 65.2 220.0 Up 10:22:46 - 10:47:06 -1149
Brewster 10:34:56 -50.4 Dark Up 65.5 220.0 Up 10:22:46 - 10:47:06 -1180
Manson/Chelan 10:34:56 -50.7 Dark Up 65.8 219.6 Up 10:22:46 - 10:47:06 -1209
Victoria 10:35:06 -52.3 Dark Up 66.5 212.5 Up 10:22:56 - 10:47:16 -1228
Wenatchee 10:34:56 -51.0 Dark Up 66.2 220.0 Up 10:22:46 - 10:47:06 -1259
Ellensburg 10:34:56 -51.3 Dark Up 66.6 220.2 Up 10:22:46 - 10:47:06 -1304
Yakima 10:34:55 -51.5 Dark Up 67.0 220.8 Up 10:22:45 - 10:47:05 -1344
PNWRO 10:34:49 -50.7 Dark Up 66.6 224.8 Up 10:22:39 - 10:46:59 -1356
Toppenish/White Swan 10:34:55 -51.5 Dark Up 67.0 221.4 Up 10:22:45 - 10:47:05 -1360
Goldendale 10:34:55 -52.0 Dark Up 67.7 221.4 Up 10:22:45 - 10:47:05 -1424
The Dalles 10:34:55 -52.3 Dark Up 68.0 221.1 Up 10:22:45 - 10:47:05 -1456
Dunrhomin 10:33:58 -42.2 Dark Up 60.9 254.4 Up 10:21:48 - 10:46:08 -1471
Maupin 10:34:54 -52.4 Dark Up 68.3 222.0 Up 10:22:44 - 10:47:04 -1494
CU-SBO 10:33:58 -42.3 Dark Up 61.0 254.7 Up 10:21:48 - 10:46:08 -1497
Sisters 10:34:54 -53.0 Dark Up 69.1 222.5 Up 10:22:44 - 10:47:04 -1593
Bend 10:34:53 -53.0 Dark Up 69.2 223.4 Up 10:22:43 - 10:47:03 -1609
Oregon Observatory 10:34:53 -53.1 Dark Up 69.4 223.5 Up 10:22:43 - 10:47:03 -1630
North Lake 10:34:50 -53.0 Dark Up 69.6 225.8 Up 10:22:40 - 10:47:00 -1678
Lakeview 10:34:47 -52.9 Dark Up 70.0 229.0 Up 10:22:37 - 10:46:57 -1768
Chiloquin 10:34:52 -53.9 Dark Up 70.5 225.1 Up 10:22:42 - 10:47:02 -1771
Klamath Falls 10:34:52 -53.9 Dark Up 70.7 226.0 Up 10:22:42 - 10:47:02 -1803
Cedarville 10:34:45 -53.0 Dark Up 70.3 230.7 Up 10:22:35 - 10:46:55 -1828
Fall River/Burney 10:34:48 -54.0 Dark Up 71.3 229.3 Up 10:22:38 - 10:46:58 -1911
Susanville 10:34:44 -53.7 Dark Up 71.3 232.3 Up 10:22:34 - 10:46:54 -1953
Gimple 10:34:44 -53.9 Dark Up 71.6 232.5 Up 10:22:34 - 10:46:54 -1987
Greenville 10:34:45 -54.0 Dark Up 71.6 232.3 Up 10:22:35 - 10:46:55 -1989
Portola 10:34:43 -53.7 Dark Up 71.6 234.1 Up 10:22:33 - 10:46:53 -2008
Quincy 10:34:45 -54.0 Dark Up 71.8 232.8 Up 10:22:35 - 10:46:55 -2009
Reno 10:34:40 -53.3 Dark Up 71.3 236.0 Up 10:22:30 - 10:46:50 -2016
Carson City 10:34:40 -53.4 Dark Up 71.5 236.9 Up 10:22:30 - 10:46:50 -2051
Yerington 10:34:38 -52.9 Dark Up 71.2 238.5 Up 10:22:28 - 10:46:48 -2052
Gardnerville 10:34:39 -53.4 Dark Up 71.6 237.6 Up 10:22:29 - 10:46:49 -2075
Hawthorne 10:34:34 -52.7 Dark Up 71.1 240.6 Up 10:22:24 - 10:46:44 -2083
Tonopah 10:34:30 -51.7 Dark Up 70.3 244.1 Up 10:22:20 - 10:46:40 -2086
Lee Vining 10:34:36 -53.1 Dark Up 71.7 241.2 Up 10:22:26 - 10:46:46 -2154
Indian Springs 10:34:22 -50.7 Dark Up 69.8 250.1 Up 10:22:12 - 10:46:32 -2186
Beatty 10:34:26 -51.5 Dark Up 70.5 247.8 Up 10:22:16 - 10:46:36 -2188
Bishop 10:34:32 -52.7 Dark Up 71.4 244.0 Up 10:22:22 - 10:46:42 -2193
Henderson 10:34:18 -50.2 Dark Up 69.4 252.3 Up 10:22:08 - 10:46:28 -2217
Patrick 10:34:14 -49.4 Dark Up 68.8 255.2 Up 10:22:04 - 10:46:24 -2242
Kingman/Dolan Springs 10:34:14 -49.6 Dark Up 69.0 255.5 Up 10:22:04 - 10:46:24 -2271
Laughlin/Bullhead City 10:34:15 -50.0 Dark Up 69.4 255.0 Up 10:22:05 - 10:46:25 -2291
Mohave Valley 10:34:15 -50.0 Dark Up 69.4 255.7 Up 10:22:05 - 10:46:25 -2318
George/Scottsdale 10:34:04 -47.9 Dark Up 67.5 261.3 Up 10:21:54 - 10:46:14 -2341
Lake Havasu City 10:34:14 -49.8 Dark Up 69.3 257.0 Up 10:22:04 - 10:46:24 -2349
Parker 10:34:13 -49.8 Dark Up 69.4 258.0 Up 10:22:03 - 10:46:23 -2384
Idyllwild 10:34:19 -51.8 Dark Up 71.4 256.5 Up 10:22:09 - 10:46:29 -2506
Calipatria 10:34:14 -50.9 Dark Up 70.6 259.5 Up 10:22:04 - 10:46:24 -2529
Wildwood 10:34:27 -53.3 Dark Up 72.8 253.2 Up 10:22:17 - 10:46:37 -2531
Yuma 10:34:11 -50.2 Dark Up 69.9 261.5 Up 10:22:01 - 10:46:21 -2542

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 2022/04/03 23:25:11 UT

Marc W. Buie, Southwest Research Institute

RECON