RECON: TNO occultation with 543733

Event between (543733) 14OZ393 and star GA1000:00378194 with event index number of 2252021

Geocentric closest approach at 2022/02/28 05:42:07 UTC

J2000 position of star is 04:02:10.5 +11:44:24
Equinox of date position of star is 04:03:22.8 +11:47:57
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 113 degrees from the moon. Moon is 8% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 38.3 AU from the Sun and 38.5 AU from the Earth.
The TNO is moving 9.6 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 191 seconds.
The 1-sigma cross-track error in the shadow position is 2182 km.
The sky-plane scale is 27903.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=331.1 km assuming a 5% albedo -- 32.6 sec chord
Diameter=135.2 km assuming a 30% albedo -- 13.3 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 543733, (2022/02/28 05:43UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:11.7 +16:33:07  0.8  9.47 122
Menkar         03:03:26.4 +04:10:31  2.5 16.68  96
35Lam Tau      04:01:54.7 +12:33:05  3.5  0.83 113
PPM 119506     03:59:50.5 +11:05:22  8.5  1.13 112
PPM 119555     04:03:15.6 +12:03:12  9.6  0.26 113
543733         04:03:24.0 +11:48:01 16.5       113
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 30.0 km RECON observability=1.0 and success probability=2.7%
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 05:51:38 -38.9 Dark Down 24.2 258.9 Low 05:36:38 - 06:06:38 -5632
Kelowna 05:51:36 -39.1 Dark Down 24.4 259.0 Low 05:36:36 - 06:06:36 -5673
Peachland 05:51:34 -39.0 Dark Down 24.6 258.8 Low 05:36:34 - 06:06:34 -5683
Summerland 05:51:36 -39.2 Dark Down 24.6 258.9 Low 05:36:36 - 06:06:36 -5700
Penticton 05:51:36 -39.3 Dark Down 24.5 259.0 Low 05:36:36 - 06:06:36 -5707
Oliver 05:51:36 -39.5 Dark Down 24.6 259.2 Low 05:36:36 - 06:06:36 -5745
Anarchist Mountain Observatory 05:51:41 -39.8 Dark Down 24.5 259.5 Low 05:36:41 - 06:06:41 -5764
Victoria 05:51:27 -38.0 Dark Down 27.2 256.3 Low 05:36:27 - 06:06:27 -5794
Tonasket 05:51:41 -39.9 Dark Down 24.6 259.5 Low 05:36:41 - 06:06:41 -5797
Okanogan 05:51:39 -40.1 Dark Down 24.7 259.6 Low 05:36:39 - 06:06:39 -5832
Brewster 05:51:38 -40.2 Dark Down 24.9 259.5 Low 05:36:38 - 06:06:38 -5860
Manson/Chelan 05:51:41 -40.1 Dark Down 25.2 259.3 Low 05:36:41 - 06:06:41 -5881
Wenatchee 05:51:41 -40.3 Dark Down 25.4 259.4 Low 05:36:41 - 06:06:41 -5931
Ellensburg 05:51:40 -40.5 Dark Down 25.6 259.4 Low 05:36:40 - 06:06:40 -5974
Yakima 05:51:38 -40.7 Dark Down 25.7 259.6 Low 05:36:38 - 06:06:38 -6018
Toppenish/White Swan 05:51:38 -41.0 Dark Down 25.6 259.8 Low 05:36:38 - 06:06:38 -6043
Pasco 05:51:45 -41.7 Dark Down 24.8 260.9 Low 05:36:45 - 06:06:45 -6061
PNWRO 05:51:47 -42.0 Dark Down 24.6 261.2 Low 05:36:47 - 06:06:47 -6089
Goldendale 05:51:38 -41.1 Dark Down 26.0 259.8 Low 05:36:38 - 06:06:38 -6100
The Dalles 05:51:38 -41.0 Dark Down 26.3 259.6 Low 05:36:38 - 06:06:38 -6122
Maupin 05:51:39 -41.4 Dark Down 26.3 259.9 Low 05:36:39 - 06:06:39 -6168
Sisters 05:51:39 -41.6 Dark Down 26.8 259.9 Low 05:36:39 - 06:06:39 -6261
Redmond 05:51:43 -41.9 Dark Down 26.5 260.3 Low 05:36:43 - 06:06:43 -6266
Bend 05:51:39 -41.9 Dark Down 26.7 260.3 Low 05:36:39 - 06:06:39 -6288
Oregon Observatory 05:51:38 -42.0 Dark Down 26.8 260.2 Low 05:36:38 - 06:06:38 -6306
La Pine/Gilchrist 05:51:41 -42.1 Dark Down 26.9 260.3 Low 05:36:41 - 06:06:41 -6328
North Lake 05:51:41 -42.7 Dark Down 26.5 261.0 Low 05:36:41 - 06:06:41 -6379
Paisley 05:51:47 -43.2 Dark Down 26.3 261.5 Low 05:36:47 - 06:06:47 -6441
Chiloquin 05:51:39 -42.5 Dark Down 27.3 260.6 Low 05:36:39 - 06:06:39 -6447
Klamath Falls 05:51:39 -42.8 Dark Down 27.3 260.8 Low 05:36:39 - 06:06:39 -6485
Lakeview 05:51:48 -43.7 Dark Down 26.2 261.9 Low 05:36:48 - 06:06:48 -6498
Cedarville 05:51:52 -44.2 Dark Down 26.2 262.4 Low 05:36:52 - 06:06:52 -6571
Fall River/Burney 05:51:48 -43.7 Dark Down 27.2 261.7 Low 05:36:48 - 06:06:48 -6617
Susanville 05:51:50 -44.5 Dark Down 26.7 262.6 Low 05:36:50 - 06:06:50 -6690
Dunrhomin 05:52:45 -53.1 Dark Down 14.7 273.0 Really Low 05:37:45 - 06:07:45 -6694
Greenville 05:51:46 -44.5 Dark Down 27.0 262.5 Low 05:36:46 - 06:06:46 -6719
Gimple 05:51:48 -44.5 Dark Down 26.9 262.6 Low 05:36:48 - 06:06:48 -6720
Quincy 05:51:45 -44.6 Dark Down 27.0 262.6 Low 05:36:45 - 06:06:45 -6741
Portola 05:51:48 -45.0 Dark Down 26.6 263.0 Low 05:36:48 - 06:06:48 -6758
Reno 05:51:50 -45.6 Dark Down 26.2 263.6 Low 05:36:50 - 06:06:50 -6791
Carson City 05:51:52 -45.8 Dark Down 26.2 263.8 Low 05:36:52 - 06:06:52 -6830
Yerington 05:51:56 -46.3 Dark Down 25.7 264.3 Low 05:36:56 - 06:06:56 -6854
Gardnerville 05:51:53 -46.0 Dark Down 26.2 263.9 Low 05:36:53 - 06:06:53 -6857
Hawthorne 05:51:59 -46.9 Dark Down 25.3 264.9 Low 05:36:59 - 06:06:59 -6908
Tonopah 05:52:03 -48.1 Dark Down 24.2 266.0 Low 05:37:03 - 06:07:03 -6965
Lee Vining 05:51:57 -46.9 Dark Down 25.8 264.8 Low 05:36:57 - 06:06:57 -6968
Bishop 05:52:00 -47.8 Dark Down 25.2 265.6 Low 05:37:00 - 06:07:00 -7037
Beatty 05:52:06 -49.1 Dark Down 23.9 266.8 Low 05:37:06 - 06:07:06 -7094
Indian Springs 05:52:10 -50.0 Dark Down 23.1 267.7 Low 05:37:10 - 06:07:10 -7132
Henderson 05:52:16 -50.8 Dark Down 22.5 268.3 Low 05:37:16 - 06:07:16 -7192
CPSLO 05:51:48 -47.3 Dark Down 27.3 265.2 Low 05:36:48 - 06:06:48 -7254
Patrick 05:52:20 -51.9 Dark Down 21.6 269.3 Low 05:37:20 - 06:07:20 -7262
Kingman/Dolan Springs 05:52:18 -51.9 Dark Down 21.8 269.2 Low 05:37:18 - 06:07:18 -7286
Laughlin/Bullhead City 05:52:17 -51.6 Dark Down 22.2 268.9 Low 05:37:17 - 06:07:17 -7289
Mohave Valley 05:52:21 -51.8 Dark Down 22.2 269.1 Low 05:37:21 - 06:07:21 -7319
Lake Havasu City 05:52:21 -52.2 Dark Down 22.0 269.4 Low 05:37:21 - 06:07:21 -7364
Wildwood 05:52:02 -49.4 Dark Down 25.6 267.0 Low 05:37:02 - 06:07:02 -7399
Parker 05:52:20 -52.4 Dark Down 22.0 269.5 Low 05:37:20 - 06:07:20 -7403
Idyllwild 05:52:13 -51.0 Dark Down 24.0 268.3 Low 05:37:13 - 06:07:13 -7445
George/Scottsdale 05:52:30 -54.3 Dark Down 19.9 271.1 Really Low 05:37:30 - 06:07:30 -7448
Blythe 05:52:17 -52.5 Dark Down 22.2 269.6 Low 05:37:17 - 06:07:17 -7461
Calipatria 05:52:15 -52.2 Dark Down 23.0 269.2 Low 05:37:15 - 06:07:15 -7514
Yuma 05:52:17 -53.0 Dark Down 22.3 269.9 Low 05:37:17 - 06:07:17 -7563

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 543733, (2022/02/28 05:43UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  9.47 122
Menkar         03:02:16.8 +04:05:21  2.5 16.68  96
35Lam Tau      04:00:40.8 +12:29:25  3.5  0.83 113
PPM 119506     03:58:37.4 +11:01:39  8.5  1.13 112
PPM 119555     04:02:02.0 +11:59:35  9.6  0.26 113
543733         04:02:10.5 +11:44:24 16.5       113
Positions are for J2000

Event circumstances last updated at 2021/10/12 02:04:42 UT

Marc W. Buie, Southwest Research Institute

RECON