RECON: TNO occultation with 363330

Event between (363330) 02PQ145 and star GA0800:21734771 with event index number of 1393916

Geocentric closest approach at 2024/09/15 08:45:38 UTC

J2000 position of star is 22:21:50.4 -09:31:46
Equinox of date position of star is 22:23:00.8 -09:25:00
Stellar brightness G=15.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon. Moon is 89% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 45.5 AU from the Sun and 44.5 AU from the Earth.
The TNO is moving 23.5 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 116 seconds.
The 1-sigma cross-track error in the shadow position is 1864 km.
The sky-plane scale is 32291.5 km/arcsec.

The TNO has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 17.3 sec chord
Diameter=166.3 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 363330, (2024/09/15 08:46UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:00.5 -29:29:26  1.2 21.77  25
PPM 206180     22:18:10.7 -08:54:58  5.8  1.32  19
PPM 206327     22:25:46.9 -09:40:28  8.5  0.70  20
PPM 206279     22:23:11.3 -09:29:08  9.3  0.08  20
363330         22:23:08.6 -09:24:15 15.3        20
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 24.4 km RECON observability=1.0 and success probability=19.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 08:42:52 -35.6 Dark Up 24.5 212.5 Low 08:32:41 - 08:53:04 -980
Victoria 08:42:58 -38.2 Dark Up 27.4 209.9 Low 08:32:47 - 08:53:10 -1042
Peachland 08:42:50 -36.4 Dark Up 25.1 213.3 Low 08:32:39 - 08:53:02 -1062
Kelowna 08:42:49 -36.3 Dark Up 24.9 213.6 Low 08:32:37 - 08:53:00 -1062
Summerland 08:42:50 -36.6 Dark Up 25.2 213.4 Low 08:32:38 - 08:53:01 -1075
Penticton 08:42:49 -36.6 Dark Up 25.2 213.6 Low 08:32:38 - 08:53:01 -1083
Oliver 08:42:49 -36.9 Dark Up 25.5 213.7 Low 08:32:37 - 08:53:00 -1108
Anarchist Mountain Observatory 08:42:48 -37.1 Dark Up 25.6 213.9 Low 08:32:36 - 08:52:59 -1125
Tonasket 08:42:48 -37.4 Dark Up 25.8 213.9 Low 08:32:36 - 08:52:59 -1146
Okanogan 08:42:48 -37.7 Dark Up 26.2 213.9 Low 08:32:37 - 08:53:00 -1166
Brewster 08:42:48 -38.0 Dark Up 26.5 213.7 Low 08:32:37 - 08:53:00 -1179
Manson/Chelan 08:42:49 -38.3 Dark Up 26.8 213.4 Low 08:32:38 - 08:53:01 -1183
Wenatchee 08:42:50 -38.8 Dark Up 27.2 213.4 Low 08:32:38 - 08:53:01 -1213
Ellensburg 08:42:50 -39.2 Dark Up 27.7 213.3 Low 08:32:38 - 08:53:01 -1236
Yakima 08:42:50 -39.6 Dark Up 28.0 213.4 Low 08:32:38 - 08:53:01 -1266
Sleaford 08:42:23 -30.9 Dark Up 17.8 226.0 Really Low 08:32:12 - 08:52:35 -1268
Toppenish/White Swan 08:42:49 -39.8 Dark Up 28.1 213.6 Low 08:32:38 - 08:53:01 -1288
Goldendale 08:42:50 -40.4 Dark Up 28.8 213.3 Low 08:32:38 - 08:53:01 -1315
The Dalles 08:42:51 -40.7 Dark Up 29.1 213.0 Low 08:32:39 - 08:53:02 -1321
Maupin 08:42:50 -41.1 Dark Up 29.4 213.2 Low 08:32:38 - 08:53:01 -1356
PNWRO 08:42:45 -39.9 Dark Up 27.9 215.2 Low 08:32:33 - 08:52:56 -1361
Sisters 08:42:51 -42.0 Dark Up 30.3 213.0 Up 08:32:39 - 08:53:02 -1406
Bend 08:42:50 -42.2 Dark Up 30.4 213.4 Up 08:32:38 - 08:53:01 -1433
Oregon Observatory 08:42:51 -42.4 Dark Up 30.6 213.3 Up 08:32:39 - 08:53:02 -1441
North Lake 08:42:49 -42.9 Dark Up 30.9 214.1 Up 08:32:38 - 08:53:01 -1508
Chiloquin 08:42:51 -43.7 Dark Up 31.9 213.3 Up 08:32:40 - 08:53:03 -1530
Klamath Falls 08:42:51 -44.1 Dark Up 32.1 213.5 Up 08:32:39 - 08:53:02 -1559
Lakeview 08:42:48 -43.8 Dark Up 31.6 215.0 Up 08:32:36 - 08:52:59 -1609
Fall River/Burney 08:42:50 -45.1 Dark Up 33.0 214.3 Up 08:32:39 - 08:53:02 -1665
Cedarville 08:42:46 -44.4 Dark Up 32.0 215.4 Up 08:32:35 - 08:52:58 -1667
Susanville 08:42:47 -45.6 Dark Up 33.2 215.3 Up 08:32:36 - 08:52:59 -1741
Greenville 08:42:48 -45.9 Dark Up 33.5 215.1 Up 08:32:37 - 08:53:00 -1753
Gimple 08:42:48 -45.9 Dark Up 33.5 215.2 Up 08:32:36 - 08:52:59 -1756
Quincy 08:42:48 -46.1 Dark Up 33.7 215.2 Up 08:32:37 - 08:53:00 -1770
Portola 08:42:46 -46.1 Dark Up 33.6 215.7 Up 08:32:35 - 08:52:58 -1796
Reno 08:42:45 -46.2 Dark Up 33.5 216.5 Up 08:32:33 - 08:52:56 -1840
Carson City 08:42:44 -46.6 Dark Up 33.8 216.7 Up 08:32:33 - 08:52:56 -1871
Gardnerville 08:42:44 -46.8 Dark Up 33.9 216.8 Up 08:32:33 - 08:52:56 -1892
Yerington 08:42:43 -46.6 Dark Up 33.6 217.4 Up 08:32:31 - 08:52:54 -1909
Hawthorne 08:42:42 -46.9 Dark Up 33.7 218.2 Up 08:32:30 - 08:52:53 -1966
Lee Vining 08:42:43 -47.6 Dark Up 34.4 217.9 Up 08:32:31 - 08:52:54 -1996
Tonopah 08:42:37 -47.0 Dark Up 33.4 219.8 Up 08:32:26 - 08:52:49 -2054
Bishop 08:42:40 -47.9 Dark Up 34.5 218.9 Up 08:32:29 - 08:52:52 -2072
Beatty 08:42:36 -47.9 Dark Up 34.1 220.7 Up 08:32:24 - 08:52:47 -2169
Indian Springs 08:42:32 -47.9 Dark Up 33.8 222.0 Up 08:32:21 - 08:52:44 -2235
Dunrhomin 08:42:09 -40.6 Dark Up 25.3 230.2 Low 08:31:57 - 08:52:20 -2264
CU-SBO 08:42:08 -40.8 Dark Up 25.5 230.2 Low 08:31:57 - 08:52:20 -2283
Henderson 08:42:30 -48.1 Dark Up 33.8 222.9 Up 08:32:19 - 08:52:42 -2307
Wildwood 08:42:41 -51.1 Dark Up 37.2 220.2 Up 08:32:29 - 08:52:52 -2348
Laughlin/Bullhead City 08:42:30 -48.7 Dark Up 34.2 223.7 Up 08:32:19 - 08:52:42 -2399
Patrick 08:42:28 -48.3 Dark Up 33.6 224.2 Up 08:32:16 - 08:52:39 -2401
Kingman/Dolan Springs 08:42:28 -48.5 Dark Up 33.9 224.2 Up 08:32:17 - 08:52:40 -2415
Mohave Valley 08:42:30 -49.0 Dark Up 34.4 223.8 Up 08:32:18 - 08:52:41 -2423
Idyllwild 08:42:35 -50.8 Dark Up 36.4 222.3 Up 08:32:23 - 08:52:46 -2448
Lake Havasu City 08:42:29 -49.2 Dark Up 34.5 224.2 Up 08:32:17 - 08:52:40 -2467
Parker 08:42:28 -49.5 Dark Up 34.8 224.4 Up 08:32:16 - 08:52:39 -2500
Calipatria 08:42:32 -50.9 Dark Up 36.2 223.7 Up 08:32:20 - 08:52:43 -2547
Yuma 08:42:29 -51.0 Dark Up 36.0 224.8 Up 08:32:17 - 08:52:40 -2619
George/Scottsdale 08:42:21 -48.9 Dark Up 33.6 226.9 Up 08:32:10 - 08:52:33 -2626

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 363330, (2024/09/15 08:46UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 21.77  25
PPM 206180     22:16:52.5 -09:02:24  5.8  1.32  19
PPM 206327     22:24:28.6 -09:48:01  8.5  0.70  20
PPM 206279     22:21:53.1 -09:36:39  9.3  0.08  20
363330         22:21:50.4 -09:31:46 15.3        20
Positions are for J2000

Event circumstances last updated at 2022/03/29 23:16:22 UT

Marc W. Buie, Southwest Research Institute

RECON