RECON: TNO occultation with 14JT80

Event between 14JT80 and star GA0780:09340423 with event index number of 1303285

Geocentric closest approach at 2023/07/10 08:38:32 UTC

J2000 position of star is 18:05:43.8 -11:13:09
Equinox of date position of star is 18:06:48.7 -11:12:58
Stellar brightness G=13.9, use SENSEUP=64
Star is 110 degrees from the moon. Moon is 47% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 31.5 AU from the Sun and 30.6 AU from the Earth.
The TNO is moving 22.5 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 1014 seconds.
The 1-sigma cross-track error in the shadow position is 3419 km.
The sky-plane scale is 22165.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 9.0 sec chord
Diameter=83.0 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14JT80, (2023/07/10 08:39UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.2 -26:28:56  0.9 27.31 131
35Eta Oph      17:11:43.7 -15:45:09  2.6 14.19 123
64Nu Oph       18:00:19.3 -09:46:28  3.3  2.19 111
PPM 234011     18:06:49.8 -11:01:00  7.7  0.21 110
PPM 234030     18:07:31.2 -11:18:57  9.5  0.15 110
14JT80         18:07:02.4 -11:12:56 13.9       109
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 0.9 sigma about the mid-time.
The median site spacing is 15.1 km RECON observability=1.0 and success probability=10.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:36:42 -17.5 AT Up 24.7 208.7 Low 08:21:42 - 08:51:42 -1154
Summerland 08:36:42 -17.8 AT Up 25.0 208.4 Low 08:21:42 - 08:51:42 -1168
Penticton 08:36:42 -17.8 AT Up 25.0 208.6 Low 08:21:42 - 08:51:42 -1173
Okanagan Falls 08:36:42 -18.0 Dark Up 25.2 208.6 Low 08:21:42 - 08:51:42 -1184
Oliver 08:36:41 -18.2 Dark Up 25.3 208.6 Low 08:21:41 - 08:51:41 -1195
Anarchist Mountain Observatory 08:36:41 -18.3 Dark Up 25.4 208.9 Low 08:21:41 - 08:51:41 -1208
Oroville 08:36:41 -18.4 Dark Up 25.5 208.8 Low 08:21:41 - 08:51:41 -1211
Tonasket 08:36:40 -18.7 Dark Up 25.7 208.9 Low 08:21:40 - 08:51:40 -1226
Okanogan 08:36:40 -19.0 Dark Up 26.1 208.8 Low 08:21:40 - 08:51:40 -1244
Brewster 08:36:41 -19.3 Dark Up 26.4 208.6 Low 08:21:41 - 08:51:41 -1258
Manson/Chelan 08:36:42 -19.5 Dark Up 26.7 208.3 Low 08:21:42 - 08:51:42 -1266
Entiat 08:36:41 -19.8 Dark Up 26.9 208.3 Low 08:21:41 - 08:51:41 -1279
Wenatchee 08:36:41 -20.0 Dark Up 27.1 208.3 Low 08:21:41 - 08:51:41 -1293
Ellensburg 08:36:42 -20.4 Dark Up 27.6 208.1 Low 08:21:42 - 08:51:42 -1316
Yakima 08:36:41 -20.8 Dark Up 27.9 208.2 Low 08:21:41 - 08:51:41 -1342
Toppenish/White Swan 08:36:40 -21.0 Dark Up 28.1 208.4 Low 08:21:40 - 08:51:40 -1359
Pasco 08:36:37 -21.0 Dark Up 27.8 209.8 Low 08:21:37 - 08:51:37 -1386
Goldendale 08:36:41 -21.6 Dark Up 28.7 208.1 Low 08:21:41 - 08:51:41 -1388
The Dalles 08:36:42 -21.9 Dark Up 29.0 207.8 Low 08:21:42 - 08:51:42 -1398
George/Umatilla 08:36:37 -21.4 Dark Up 28.1 209.6 Low 08:21:37 - 08:51:37 -1404
PNWRO 08:36:35 -21.3 Dark Up 27.9 210.1 Low 08:21:35 - 08:51:35 -1405
Maupin 08:36:41 -22.3 Dark Up 29.4 208.0 Low 08:21:41 - 08:51:41 -1427
Madras/Culver 08:36:41 -22.8 Dark Up 29.9 208.1 Low 08:21:41 - 08:51:41 -1463
Sisters 08:36:42 -23.2 Dark Up 30.3 207.7 Up 08:21:42 - 08:51:42 -1478
Redmond 08:36:41 -23.2 Dark Up 30.2 208.2 Up 08:21:41 - 08:51:41 -1486
Bend 08:36:41 -23.4 Dark Up 30.4 208.1 Up 08:21:41 - 08:51:41 -1498
Oregon Observatory 08:36:41 -23.6 Dark Up 30.6 208.0 Up 08:21:41 - 08:51:41 -1508
La Pine/Gilchrist 08:36:41 -23.8 Dark Up 30.8 208.0 Up 08:21:41 - 08:51:41 -1521
North Lake 08:36:39 -24.2 Dark Up 31.0 208.7 Up 08:21:39 - 08:51:39 -1561
Chiloquin 08:36:41 -25.0 Dark Up 31.9 207.9 Up 08:21:41 - 08:51:41 -1593
Paisley 08:36:37 -24.7 Dark Up 31.4 209.3 Up 08:21:37 - 08:51:37 -1605
Klamath Falls 08:36:40 -25.3 Dark Up 32.2 208.1 Up 08:21:40 - 08:51:40 -1618
Tulelake 08:36:39 -25.5 Dark Up 32.3 208.5 Up 08:21:39 - 08:51:39 -1642
Lakeview 08:36:36 -25.2 Dark Up 31.7 209.6 Up 08:21:36 - 08:51:36 -1644
Cedarville 08:36:35 -25.8 Dark Up 32.2 210.0 Up 08:21:35 - 08:51:35 -1693
Fall River/Burney 08:36:38 -26.4 Dark Up 33.1 208.9 Up 08:21:38 - 08:51:38 -1709
Susanville 08:36:35 -27.0 Dark Up 33.4 209.9 Up 08:21:35 - 08:51:35 -1767
Greenville 08:36:36 -27.3 Dark Up 33.7 209.6 Up 08:21:36 - 08:51:36 -1782
Gimple 08:36:36 -27.3 Dark Up 33.7 209.7 Up 08:21:36 - 08:51:36 -1784
Quincy 08:36:36 -27.5 Dark Up 33.9 209.7 Up 08:21:36 - 08:51:36 -1797
Portola 08:36:34 -27.6 Dark Up 33.8 210.3 Up 08:21:34 - 08:51:34 -1814
Reno 08:36:32 -27.8 Dark Up 33.8 211.0 Up 08:21:32 - 08:51:32 -1845
Carson City 08:36:31 -28.1 Dark Up 34.1 211.2 Up 08:21:31 - 08:51:31 -1872
Gardnerville 08:36:31 -28.4 Dark Up 34.3 211.3 Up 08:21:31 - 08:51:31 -1891
Yerington 08:36:29 -28.2 Dark Up 34.0 211.9 Up 08:21:29 - 08:51:29 -1898
Hawthorne 08:36:27 -28.6 Dark Up 34.2 212.7 Up 08:21:27 - 08:51:27 -1942
Lee Vining 08:36:28 -29.2 Dark Up 34.9 212.3 Up 08:21:28 - 08:51:28 -1977
Tonopah 08:36:21 -28.9 Dark Up 34.0 214.3 Up 08:21:21 - 08:51:21 -2002
Bishop 08:36:24 -29.7 Dark Up 35.1 213.3 Up 08:21:24 - 08:51:24 -2036
Niwot 08:35:47 -24.2 Dark Up 26.5 225.2 Low 08:20:47 - 08:50:47 -2062
SwRI 08:35:47 -24.4 Dark Up 26.6 225.2 Low 08:20:47 - 08:50:47 -2068
Beatty 08:36:19 -30.0 Dark Up 34.7 215.2 Up 08:21:19 - 08:51:19 -2101
Lone Pine 08:36:23 -30.4 Dark Up 35.6 214.0 Up 08:21:23 - 08:51:23 -2102
Indian Springs 08:36:15 -30.1 Dark Up 34.5 216.5 Up 08:21:15 - 08:51:15 -2146
CPSLO 08:36:31 -32.1 Dark Up 37.8 211.7 Up 08:21:31 - 08:51:31 -2159
Henderson 08:36:12 -30.5 Dark Up 34.6 217.4 Up 08:21:12 - 08:51:12 -2202
Searchlight/Boulder City 08:36:11 -31.0 Dark Up 35.0 217.7 Up 08:21:11 - 08:51:11 -2249
Patrick 08:36:07 -30.9 Dark Up 34.5 218.8 Up 08:21:07 - 08:51:07 -2273
Laughlin/Bullhead City 08:36:10 -31.3 Dark Up 35.1 218.2 Up 08:21:10 - 08:51:10 -2280
Kingman/Dolan Springs 08:36:08 -31.1 Dark Up 34.8 218.7 Up 08:21:08 - 08:51:08 -2288
Wildwood 08:36:22 -33.0 Dark Up 37.9 214.5 Up 08:21:22 - 08:51:22 -2294
Mohave Valley 08:36:09 -31.5 Dark Up 35.3 218.3 Up 08:21:09 - 08:51:09 -2303
DCO 08:36:05 -31.0 Dark Up 34.4 219.6 Up 08:21:05 - 08:51:05 -2312
Lake Havasu City 08:36:08 -31.9 Dark Up 35.5 218.7 Up 08:21:08 - 08:51:08 -2340
Idyllwild 08:36:16 -33.0 Dark Up 37.3 216.6 Up 08:21:16 - 08:51:16 -2358
Parker 08:36:08 -32.2 Dark Up 35.8 218.9 Up 08:21:08 - 08:51:08 -2370
Blythe 08:36:08 -32.8 Dark Up 36.3 218.9 Up 08:21:08 - 08:51:08 -2408
Calipatria 08:36:11 -33.4 Dark Up 37.2 218.1 Up 08:21:11 - 08:51:11 -2431
Yuma 08:36:07 -33.7 Dark Up 37.1 219.3 Up 08:21:07 - 08:51:07 -2485

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 14JT80, (2023/07/10 08:39UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 27.31 131
35Eta Oph      17:10:22.7 -15:43:29  2.6 14.19 123
64Nu Oph       17:59:01.6 -09:46:27  3.3  2.19 111
PPM 234011     18:05:31.3 -11:01:13  7.7  0.21 110
PPM 234030     18:06:12.6 -11:19:11  9.5  0.15 110
14JT80         18:05:43.8 -11:13:09 13.9       110
Positions are for J2000

Event circumstances last updated at 2019/06/08 05:36:11 UT

Marc W. Buie, Southwest Research Institute

RECON