RECON: TNO occultation with 523718

Event between (523718) 14KZ101 and star GA0840:06381069 with event index number of 2329646

Geocentric closest approach at 2022/10/16 02:10:01 UTC

J2000 position of star is 17:47:30.7 -05:44:10
Equinox of date position of star is 17:48:43.7 -05:44:33
Stellar brightness G=11.2, use SENSEUP=8 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 157 degrees from the moon. Moon is 65% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 35.0 AU from the Sun and 35.4 AU from the Earth.
The TNO is moving 21.7 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 190 seconds.
The 1-sigma cross-track error in the shadow position is 1930 km.
The sky-plane scale is 25641.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=316.2 km assuming a 5% albedo -- 13.9 sec chord
Diameter=129.1 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 523718, (2022/10/16 02:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:48.5 -26:28:50  0.9 27.84 155
60Bet Oph      17:44:36.0 +04:33:34  2.8 10.35 147
PPM 201153     17:53:52.1 -06:08:50  5.9  1.34 158
PPM 201041     17:48:11.3 -06:13:01  8.4  0.49 157
PPM 201059     17:48:58.6 -05:42:52  9.9  0.07 157
523718         17:48:43.8 -05:44:33 11.2       157
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 4.7 sigma about the mid-time.
The median site spacing is 34.4 km RECON observability=0.1 and success probability=11.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 02:10:14 -19.3 Dark Down 21.0 228.2 Low 01:55:14 - 02:25:14 2187
Kamloops 02:09:43 -10.4 NT Down 28.0 214.0 Low 01:54:43 - 02:24:43 1854
Kelowna 02:09:48 -11.0 NT Down 28.4 215.3 Low 01:54:48 - 02:24:48 1842
Peachland 02:09:47 -10.8 NT Down 28.6 215.0 Low 01:54:47 - 02:24:47 1831
Summerland 02:09:48 -10.8 NT Down 28.7 215.1 Low 01:54:48 - 02:24:48 1827
Penticton 02:09:49 -10.9 NT Down 28.7 215.3 Low 01:54:49 - 02:24:49 1827
Oliver 02:09:49 -10.9 NT Down 29.0 215.4 Low 01:54:49 - 02:24:49 1813
Anarchist Mountain Observatory 02:09:50 -11.0 NT Down 29.0 215.6 Low 01:54:50 - 02:24:50 1811
Tonasket 02:09:52 -11.0 NT Down 29.3 215.7 Low 01:54:52 - 02:24:52 1796
Okanogan 02:09:53 -10.9 NT Down 29.6 215.6 Low 01:54:53 - 02:24:53 1778
Brewster 02:09:52 -10.7 NT Down 29.9 215.5 Low 01:54:52 - 02:24:52 1762
Manson/Chelan 02:09:52 -10.5 NT Down 30.2 215.2 Up 01:54:52 - 02:24:52 1744
Dunrhomin 02:11:00 -21.8 Dark Down 28.0 233.2 Low 01:56:00 - 02:26:00 1723
Wenatchee 02:09:53 -10.4 NT Down 30.7 215.2 Up 01:54:53 - 02:24:53 1719
CU-SBO 02:11:01 -21.8 Dark Down 28.2 233.2 Low 01:56:01 - 02:26:01 1708
Ellensburg 02:09:53 -10.2 NT Down 31.1 215.1 Up 01:54:53 - 02:24:53 1695
Victoria 02:09:41 -8.3 NT Down 30.9 211.4 Up 01:54:41 - 02:24:41 1691
PNWRO 02:10:01 -11.3 NT Down 31.2 217.2 Up 01:55:01 - 02:25:01 1690
Yakima 02:09:55 -10.2 NT Down 31.5 215.2 Up 01:54:55 - 02:24:55 1676
Toppenish/White Swan 02:09:56 -10.3 NT Down 31.6 215.5 Up 01:54:56 - 02:24:56 1670
Goldendale 02:09:56 -10.0 NT Down 32.2 215.2 Up 01:54:56 - 02:24:56 1634
The Dalles 02:09:55 -9.7 NT Down 32.5 214.9 Up 01:54:55 - 02:24:55 1614
Maupin 02:09:57 -9.8 NT Down 32.8 215.2 Up 01:54:57 - 02:24:57 1596
Sisters 02:09:58 -9.4 NT Down 33.7 215.0 Up 01:54:58 - 02:24:58 1541
Bend 02:10:01 -9.6 NT Down 33.8 215.4 Up 01:55:01 - 02:25:01 1536
Oregon Observatory 02:10:00 -9.4 NT Down 34.0 215.3 Up 01:55:00 - 02:25:00 1524
North Lake 02:10:03 -9.8 NT Down 34.3 216.1 Up 01:55:03 - 02:25:03 1506
Lakeview 02:10:09 -10.2 NT Down 34.9 217.2 Up 01:55:09 - 02:25:09 1466
Chiloquin 02:10:03 -9.1 NT Down 35.3 215.4 Up 01:55:03 - 02:25:03 1445
Cedarville 02:10:11 -10.3 NT Down 35.3 217.7 Up 01:55:11 - 02:25:11 1435
Klamath Falls 02:10:04 -9.1 NT Down 35.5 215.6 Up 01:55:04 - 02:25:04 1429
Fall River/Burney 02:10:09 -9.3 NT Down 36.3 216.5 Up 01:55:09 - 02:25:09 1375
Susanville 02:10:14 -9.9 NT Down 36.4 217.7 Up 01:55:14 - 02:25:14 1361
Gimple 02:10:13 -9.7 NT Down 36.7 217.6 Up 01:55:13 - 02:25:13 1340
Greenville 02:10:13 -9.6 NT Down 36.8 217.5 Up 01:55:13 - 02:25:13 1337
Reno 02:10:18 -10.5 NT Down 36.7 219.0 Up 01:55:18 - 02:25:18 1335
Portola 02:10:16 -10.0 NT Down 36.8 218.2 Up 01:55:16 - 02:25:16 1332
Quincy 02:10:13 -9.6 NT Down 36.9 217.6 Up 01:55:13 - 02:25:13 1326
Yerington 02:10:22 -11.0 NT Down 36.8 220.0 Up 01:55:22 - 02:25:22 1322
Tonopah 02:10:32 -12.5 AT Down 36.5 222.5 Up 01:55:32 - 02:25:32 1322
Carson City 02:10:19 -10.5 NT Down 37.0 219.2 Up 01:55:19 - 02:25:19 1316
Hawthorne 02:10:26 -11.4 NT Down 36.9 220.8 Up 01:55:26 - 02:25:26 1310
Gardnerville 02:10:21 -10.5 NT Down 37.1 219.4 Up 01:55:21 - 02:25:21 1303
Indian Springs 02:10:42 -13.7 AT Down 36.7 224.9 Up 01:55:42 - 02:25:42 1275
Beatty 02:10:37 -12.9 AT Down 37.1 223.6 Up 01:55:37 - 02:25:37 1265
Lee Vining 02:10:25 -11.0 NT Down 37.6 220.5 Up 01:55:25 - 02:25:25 1264
Henderson 02:10:45 -14.3 AT Down 36.6 225.9 Up 01:55:45 - 02:25:45 1261
Patrick 02:10:51 -15.2 AT Down 36.4 227.4 Up 01:55:51 - 02:25:51 1253
Bishop 02:10:30 -11.5 NT Down 37.6 221.6 Up 01:55:30 - 02:25:30 1248
Kingman/Dolan Springs 02:10:51 -15.1 AT Down 36.7 227.4 Up 01:55:51 - 02:25:51 1234
Laughlin/Bullhead City 02:10:49 -14.6 AT Down 37.0 226.8 Up 01:55:49 - 02:25:49 1218
Mohave Valley 02:10:50 -14.6 AT Down 37.2 227.0 Up 01:55:50 - 02:25:50 1202
George/Scottsdale 02:11:03 -16.9 AT Down 36.2 230.4 Up 01:56:03 - 02:26:03 1200
Lake Havasu City 02:10:52 -14.8 AT Down 37.3 227.5 Up 01:55:52 - 02:25:52 1184
Parker 02:10:54 -14.9 AT Down 37.5 227.7 Up 01:55:54 - 02:25:54 1162
Idyllwild 02:10:47 -12.8 AT Down 39.3 225.5 Up 01:55:47 - 02:25:47 1071
Calipatria 02:10:53 -13.8 AT Down 39.0 227.1 Up 01:55:53 - 02:25:53 1064
Yuma 02:10:57 -14.6 AT Down 38.7 228.2 Up 01:55:57 - 02:25:57 1061
Wildwood 02:10:39 -11.2 NT Down 40.1 223.2 Up 01:55:39 - 02:25:39 1039

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 523718, (2022/10/16 02:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 27.84 155
60Bet Oph      17:43:28.3 +04:34:06  2.8 10.35 147
PPM 201153     17:52:38.7 -06:08:37  5.9  1.34 158
PPM 201041     17:46:57.9 -06:12:36  8.4  0.49 157
PPM 201059     17:47:45.5 -05:42:28  9.9  0.07 157
523718         17:47:30.7 -05:44:10 11.2       157
Positions are for J2000

Event circumstances last updated at 2022/10/02 04:08:15 UT

Marc W. Buie, Southwest Research Institute

RECON