RECON: TNO occultation with 533398

Event between (533398) 14GA54 and star GA0780:06337560 with event index number of 1607449

Geocentric closest approach at 2022/05/30 08:33:08 UTC

J2000 position of star is 17:23:16.0 -10:52:50
Equinox of date position of star is 17:24:26.0 -10:53:57
Stellar brightness G=14.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 31.3 AU from the Sun and 30.3 AU from the Earth.
The TNO is moving 22.9 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 96 seconds.
The 1-sigma cross-track error in the shadow position is 1286 km.
The sky-plane scale is 22009.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 9.4 sec chord
Diameter=88.1 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is REMOVED
 
 
 
 
 
 

Star training set for 533398, (2022/05/30 08:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.1 -26:28:47  0.9 20.08 176
35Eta Oph      17:11:39.9 -15:45:04  2.6  5.77 167
53Nu Ser       17:22:05.4 -12:52:04  4.0  2.05 163
PPM 232976     17:22:56.8 -11:04:43  8.4  0.42 161
PPM 233010     17:24:44.3 -10:41:46  9.4  0.21 161
533398         17:24:30.6 -10:54:01 14.6       161
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 17.6 km RECON observability=1.0 and success probability=17.4%
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 08:33:39 -17.4 AT Down 28.8 175.7 Low 08:25:08 - 08:42:10 -987
Kelowna 08:33:40 -17.9 AT Down 29.2 175.5 Low 08:25:09 - 08:42:11 -1009
Peachland 08:33:41 -18.0 AT Down 29.3 175.1 Low 08:25:10 - 08:42:12 -1017
Summerland 08:33:40 -18.1 Dark Down 29.4 175.2 Low 08:25:09 - 08:42:11 -1025
Penticton 08:33:40 -18.2 Dark Down 29.5 175.4 Low 08:25:09 - 08:42:11 -1028
Oliver 08:33:40 -18.5 Dark Down 29.8 175.3 Low 08:25:09 - 08:42:11 -1048
Anarchist Mountain Observatory 08:33:39 -18.7 Dark Down 30.0 175.6 Up 08:25:08 - 08:42:10 -1055
Tonasket 08:33:39 -19.0 Dark Down 30.3 175.5 Up 08:25:08 - 08:42:10 -1074
Okanogan 08:33:40 -19.3 Dark Down 30.6 175.3 Up 08:25:09 - 08:42:11 -1094
Brewster 08:33:41 -19.6 Dark Down 30.9 175.0 Up 08:25:10 - 08:42:12 -1111
Victoria 08:33:52 -19.5 Dark Down 30.2 171.0 Up 08:25:21 - 08:42:23 -1112
Manson/Chelan 08:33:42 -19.9 Dark Down 31.1 174.6 Up 08:25:11 - 08:42:13 -1125
Wenatchee 08:33:42 -20.4 Dark Down 31.5 174.4 Up 08:25:11 - 08:42:13 -1154
Ellensburg 08:33:43 -20.8 Dark Down 31.9 174.1 Up 08:25:12 - 08:42:14 -1180
Yakima 08:33:43 -21.2 Dark Down 32.3 174.1 Up 08:25:12 - 08:42:14 -1205
Pasco 08:33:39 -21.4 Dark Down 32.8 175.7 Up 08:25:08 - 08:42:10 -1215
Toppenish/White Swan 08:33:43 -21.4 Dark Down 32.6 174.2 Up 08:25:12 - 08:42:14 -1217
PNWRO 08:33:38 -21.6 Dark Down 33.0 175.9 Up 08:25:07 - 08:42:09 -1229
Goldendale 08:33:45 -22.0 Dark Down 33.1 173.7 Up 08:25:14 - 08:42:16 -1253
The Dalles 08:33:46 -22.2 Dark Down 33.3 173.3 Up 08:25:15 - 08:42:17 -1270
Maupin 08:33:45 -22.6 Dark Down 33.7 173.4 Up 08:25:14 - 08:42:16 -1295
Redmond 08:33:46 -23.5 Dark Down 34.6 173.2 Up 08:25:15 - 08:42:17 -1353
Sisters 08:33:47 -23.6 Dark Down 34.5 172.7 Up 08:25:16 - 08:42:18 -1354
Bend 08:33:46 -23.8 Dark Down 34.8 173.0 Up 08:25:15 - 08:42:17 -1367
Oregon Observatory 08:33:47 -24.0 Dark Down 35.0 172.8 Up 08:25:16 - 08:42:18 -1379
La Pine/Gilchrist 08:33:47 -24.2 Dark Down 35.2 172.7 Up 08:25:16 - 08:42:18 -1393
North Lake 08:33:45 -24.5 Dark Down 35.6 173.4 Up 08:25:14 - 08:42:16 -1417
Paisley 08:33:44 -25.0 Dark Down 36.2 173.8 Up 08:25:13 - 08:42:15 -1450
Lakeview 08:33:43 -25.5 Dark Down 36.7 174.0 Up 08:25:12 - 08:42:14 -1483
Klamath Falls 08:33:48 -25.6 Dark Down 36.6 172.3 Up 08:25:17 - 08:42:19 -1491
Cedarville 08:33:43 -26.2 Dark Down 37.4 174.2 Up 08:25:12 - 08:42:14 -1526
Dunrhomin 08:32:48 -24.2 Dark Down 38.0 192.6 Up 08:24:17 - 08:41:19 -1529
Fall River/Burney 08:33:47 -26.8 Dark Down 37.8 172.6 Up 08:25:16 - 08:42:18 -1569
Susanville 08:33:44 -27.3 Dark Down 38.5 173.5 Up 08:25:13 - 08:42:15 -1607
Gimple 08:33:45 -27.6 Dark Down 38.7 173.2 Up 08:25:14 - 08:42:16 -1628
Greenville 08:33:46 -27.6 Dark Down 38.7 173.1 Up 08:25:15 - 08:42:17 -1628
Quincy 08:33:46 -27.8 Dark Down 38.9 173.1 Up 08:25:15 - 08:42:17 -1643
Portola 08:33:43 -27.9 Dark Down 39.1 173.7 Up 08:25:12 - 08:42:14 -1647
Reno 08:33:41 -28.1 Dark Down 39.4 174.4 Up 08:25:10 - 08:42:12 -1661
Carson City 08:33:41 -28.4 Dark Down 39.8 174.4 Up 08:25:10 - 08:42:12 -1687
Yerington 08:33:39 -28.5 Dark Down 40.0 175.2 Up 08:25:08 - 08:42:10 -1696
Gardnerville 08:33:41 -28.7 Dark Down 40.0 174.5 Up 08:25:10 - 08:42:12 -1704
Hawthorne 08:33:37 -28.9 Dark Down 40.5 175.9 Up 08:25:06 - 08:42:08 -1725
Tonopah 08:33:32 -29.1 Dark Down 41.0 177.6 Up 08:25:01 - 08:42:03 -1748
Lee Vining 08:33:39 -29.5 Dark Down 41.0 175.2 Up 08:25:08 - 08:42:10 -1770
Bishop 08:33:36 -30.0 Dark Down 41.7 176.1 Up 08:25:05 - 08:42:07 -1809
Beatty 08:33:30 -30.2 Dark Down 42.2 178.2 Up 08:24:59 - 08:42:01 -1831
Indian Springs 08:33:26 -30.3 Dark Down 42.5 179.6 Up 08:24:55 - 08:41:57 -1848
Henderson 08:33:23 -30.7 Dark Down 43.1 180.5 Up 08:24:52 - 08:41:54 -1884
Patrick 08:33:18 -31.0 Dark Down 43.7 182.0 Up 08:24:47 - 08:41:49 -1924
Kingman/Dolan Springs 08:33:19 -31.3 Dark Down 43.9 181.8 Up 08:24:48 - 08:41:50 -1942
Laughlin/Bullhead City 08:33:21 -31.4 Dark Down 43.9 181.1 Up 08:24:50 - 08:41:52 -1948
Mohave Valley 08:33:21 -31.7 Dark Down 44.2 181.1 Up 08:24:50 - 08:41:52 -1969
CPSLO 08:33:45 -32.4 Dark Down 43.6 172.9 Up 08:25:14 - 08:42:16 -1983
Lake Havasu City 08:33:20 -32.0 Dark Down 44.6 181.4 Up 08:24:49 - 08:41:51 -1998
Parker 08:33:20 -32.4 Dark Down 45.0 181.5 Up 08:24:49 - 08:41:51 -2025
George/Scottsdale 08:33:10 -32.2 Dark Down 45.3 184.8 Up 08:24:39 - 08:41:41 -2043
Wildwood 08:33:36 -33.2 Dark Down 44.9 175.6 Up 08:25:05 - 08:42:07 -2060
Blythe 08:33:21 -32.9 Dark Down 45.5 181.1 Up 08:24:50 - 08:41:52 -2068
Idyllwild 08:33:29 -33.3 Dark Down 45.4 178.2 Up 08:24:58 - 08:42:00 -2073
Calipatria 08:33:24 -33.6 Dark Down 46.0 179.8 Up 08:24:53 - 08:41:55 -2114
Yuma 08:33:21 -33.8 Dark Down 46.4 181.0 Up 08:24:50 - 08:41:52 -2142

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 533398, (2022/05/30 08:33UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.08 176
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.77 167
53Nu Ser       17:20:49.7 -12:50:49  4.0  2.05 163
PPM 232976     17:21:42.1 -11:03:30  8.4  0.42 161
PPM 233010     17:23:29.8 -10:40:36  9.4  0.21 161
533398         17:23:16.0 -10:52:50 14.6       161
Positions are for J2000

Event circumstances last updated at 2021/01/07 20:39:47 UT

Marc W. Buie, Southwest Research Institute

RECON