RECON: TNO occultation with 543734

Event between (543734) 14OL394 and star GA1020:00201450 with event index number of 2137323

Geocentric closest approach at 2022/10/29 04:42:07 UTC

J2000 position of star is 02:12:36.6 +12:44:30
Equinox of date position of star is 02:13:47.5 +12:50:37
Stellar brightness G=13.7, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 130 degrees from the moon. Moon is 17% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 31.0 AU from the Sun and 30.0 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 101 seconds.
The 1-sigma cross-track error in the shadow position is 1677 km.
The sky-plane scale is 21768.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.8
Diameter=165.2 km assuming a 5% albedo -- 6.9 sec chord
Diameter=67.4 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 5:3EE
 
 
 
 
 
 

Star training set for 543734, (2022/10/29 04:37UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.0 +16:33:12  0.8 34.83 163
6Bet Ari       01:55:54.3 +20:55:07  2.6  9.14 129
19 Ari         02:14:18.2 +15:23:09  5.7  2.54 131
PPM 118053     02:15:26.5 +12:23:22  8.2  0.60 130
PPM 118040     02:14:18.1 +13:09:20  9.3  0.33 131
543734         02:13:50.6 +12:50:53 13.7       131
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 16.7 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 04:43:03 -37.7 Dark Down 37.3 119.5 Up 04:34:10 - 04:51:56 10607
Victoria 04:43:15 -36.9 Dark Down 36.5 115.1 Up 04:34:22 - 04:52:08 10571
Peachland 04:43:04 -38.5 Dark Down 38.1 119.5 Up 04:34:11 - 04:51:57 10538
Kelowna 04:43:04 -38.6 Dark Down 38.2 119.8 Up 04:34:11 - 04:51:57 10536
Summerland 04:43:04 -38.6 Dark Down 38.2 119.5 Up 04:34:11 - 04:51:57 10527
Penticton 04:43:05 -38.7 Dark Down 38.3 119.5 Up 04:34:12 - 04:51:58 10520
Oliver 04:43:06 -38.9 Dark Down 38.5 119.3 Up 04:34:13 - 04:51:59 10499
Anarchist Mountain Observatory 04:43:07 -39.1 Dark Down 38.7 119.4 Up 04:34:14 - 04:52:00 10484
Tonasket 04:43:08 -39.2 Dark Down 38.8 119.1 Up 04:34:15 - 04:52:01 10468
Okanogan 04:43:09 -39.3 Dark Down 38.9 118.7 Up 04:34:16 - 04:52:02 10452
Brewster 04:43:11 -39.3 Dark Down 38.9 118.3 Up 04:34:18 - 04:52:04 10441
Manson/Chelan 04:43:12 -39.1 Dark Down 38.8 117.8 Up 04:34:19 - 04:52:05 10440
Wenatchee 04:43:14 -39.3 Dark Down 38.9 117.3 Up 04:34:21 - 04:52:07 10416
Ellensburg 04:43:16 -39.3 Dark Down 38.9 116.8 Up 04:34:23 - 04:52:09 10398
Yakima 04:43:17 -39.5 Dark Down 39.1 116.5 Up 04:34:24 - 04:52:10 10373
Toppenish/White Swan 04:43:18 -39.7 Dark Down 39.3 116.5 Up 04:34:25 - 04:52:11 10354
Goldendale 04:43:22 -39.7 Dark Down 39.3 115.7 Up 04:34:29 - 04:52:15 10333
The Dalles 04:43:22 -39.5 Dark Down 39.2 115.2 Up 04:34:29 - 04:52:15 10330
Pasco 04:43:15 -40.5 Dark Down 40.2 117.7 Up 04:34:22 - 04:52:08 10308
Maupin 04:43:23 -39.8 Dark Down 39.4 115.0 Up 04:34:30 - 04:52:16 10300
Sleaford 04:42:29 -44.0 Dark Down 43.5 136.3 Up 04:33:36 - 04:51:22 10289
PNWRO 04:43:16 -40.8 Dark Down 40.4 117.7 Up 04:34:23 - 04:52:09 10286
Sisters 04:43:27 -39.8 Dark Down 39.5 113.9 Up 04:34:34 - 04:52:20 10260
Redmond 04:43:26 -40.1 Dark Down 39.7 114.2 Up 04:34:33 - 04:52:19 10246
Bend 04:43:28 -40.1 Dark Down 39.7 113.9 Up 04:34:35 - 04:52:21 10236
Oregon Observatory 04:43:29 -40.1 Dark Down 39.7 113.7 Up 04:34:36 - 04:52:22 10229
La Pine/Gilchrist 04:43:29 -40.1 Dark Down 39.8 113.5 Up 04:34:36 - 04:52:22 10218
North Lake 04:43:30 -40.7 Dark Down 40.4 113.7 Up 04:34:37 - 04:52:23 10170
Chiloquin 04:43:34 -40.3 Dark Down 40.0 112.3 Up 04:34:41 - 04:52:27 10156
Klamath Falls 04:43:35 -40.5 Dark Down 40.2 112.1 Up 04:34:42 - 04:52:28 10130
Paisley 04:43:31 -41.1 Dark Down 40.8 113.6 Up 04:34:38 - 04:52:24 10122
Lakeview 04:43:32 -41.5 Dark Down 41.2 113.4 Up 04:34:39 - 04:52:25 10082
Fall River/Burney 04:43:38 -41.2 Dark Down 40.9 111.5 Up 04:34:45 - 04:52:31 10037
Cedarville 04:43:34 -41.8 Dark Down 41.5 113.0 Up 04:34:41 - 04:52:27 10031
Susanville 04:43:39 -41.9 Dark Down 41.6 111.7 Up 04:34:46 - 04:52:32 9969
Greenville 04:43:40 -41.8 Dark Down 41.5 111.2 Up 04:34:47 - 04:52:33 9960
Gimple 04:43:40 -41.9 Dark Down 41.6 111.3 Up 04:34:47 - 04:52:33 9957
Quincy 04:43:41 -41.9 Dark Down 41.6 111.0 Up 04:34:48 - 04:52:34 9945
Portola 04:43:40 -42.3 Dark Down 42.0 111.4 Up 04:34:47 - 04:52:33 9921
Reno 04:43:40 -42.8 Dark Down 42.6 111.7 Up 04:34:47 - 04:52:33 9880
Carson City 04:43:41 -43.0 Dark Down 42.7 111.4 Up 04:34:48 - 04:52:34 9853
Gardnerville 04:43:42 -43.1 Dark Down 42.8 111.3 Up 04:34:49 - 04:52:35 9834
Yerington 04:43:40 -43.5 Dark Down 43.2 111.8 Up 04:34:47 - 04:52:33 9817
Hawthorne 04:43:41 -44.1 Dark Down 43.8 111.9 Up 04:34:48 - 04:52:34 9765
Lee Vining 04:43:44 -43.9 Dark Down 43.7 111.0 Up 04:34:51 - 04:52:37 9741
Tonopah 04:43:39 -45.3 Dark Down 45.0 112.8 Up 04:34:46 - 04:52:32 9682
Bishop 04:43:44 -44.6 Dark Down 44.4 111.1 Up 04:34:51 - 04:52:37 9671
CPSLO 04:43:55 -43.6 Dark Down 43.4 107.3 Up 04:35:02 - 04:52:48 9594
Beatty 04:43:41 -46.0 Dark Down 45.8 112.1 Up 04:34:48 - 04:52:34 9578
Indian Springs 04:43:40 -46.9 Dark Down 46.7 112.8 Up 04:34:47 - 04:52:33 9515
Henderson 04:43:40 -47.7 Dark Down 47.4 112.9 Up 04:34:47 - 04:52:33 9448
Dunrhomin 04:43:02 -52.3 Dark Down 51.9 127.7 Up 04:34:09 - 04:51:55 9432
Wildwood 04:43:54 -45.6 Dark Down 45.4 107.9 Up 04:35:01 - 04:52:47 9426
Laughlin/Bullhead City 04:43:41 -48.3 Dark Down 48.1 112.4 Up 04:34:48 - 04:52:34 9365
Patrick 04:43:39 -48.7 Dark Down 48.5 113.3 Up 04:34:46 - 04:52:32 9359
Kingman/Dolan Springs 04:43:40 -48.7 Dark Down 48.5 112.9 Up 04:34:47 - 04:52:33 9348
Mohave Valley 04:43:42 -48.4 Dark Down 48.2 112.1 Up 04:34:49 - 04:52:35 9343
Idyllwild 04:43:51 -47.2 Dark Down 47.0 109.1 Up 04:34:58 - 04:52:44 9329
Lake Havasu City 04:43:43 -48.7 Dark Down 48.5 111.9 Up 04:34:50 - 04:52:36 9302
Parker 04:43:44 -48.9 Dark Down 48.7 111.6 Up 04:34:51 - 04:52:37 9272
Blythe 04:43:46 -48.8 Dark Down 48.7 110.8 Up 04:34:53 - 04:52:39 9241
Calipatria 04:43:50 -48.3 Dark Down 48.1 109.4 Up 04:34:57 - 04:52:43 9236
Yuma 04:43:49 -49.1 Dark Down 48.9 109.8 Up 04:34:56 - 04:52:42 9167
George/Scottsdale 04:43:39 -50.9 Dark Down 50.7 113.4 Up 04:34:46 - 04:52:32 9148

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 543734, (2022/10/29 04:37UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 34.83 163
6Bet Ari       01:54:38.5 +20:48:26  2.6  9.14 129
19 Ari         02:13:03.4 +15:16:47  5.7  2.54 131
PPM 118053     02:14:12.6 +12:17:02  8.2  0.60 130
PPM 118040     02:13:04.0 +13:02:58  9.3  0.33 131
543734         02:12:36.6 +12:44:30 13.7       130
Positions are for J2000

Event circumstances last updated at 2021/11/15 00:50:44 UT

Marc W. Buie, Southwest Research Institute

RECON