RECON: TNO occultation with 533211

Event between (533211) 14DU143 and star GA0900:04008472 with event index number of 2592296

Geocentric closest approach at 2024/01/31 09:04:36 UTC

J2000 position of star is 13:39:50.4 +01:58:29
Equinox of date position of star is 13:40:58.7 +01:51:43
Stellar brightness G=13.4, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 15 degrees from the moon. Moon is 74% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 39.4 AU from the Sun and 39.1 AU from the Earth.
The TNO is moving 7.9 km/sec on the sky relative to the star, or, 1.0 arcsec/hr.
The 1-sigma error in the time of the event is 223 seconds.
The 1-sigma cross-track error in the shadow position is 4239 km.
The sky-plane scale is 28337.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=274.2 km assuming a 5% albedo -- 34.8 sec chord
Diameter=111.9 km assuming a 30% albedo -- 14.2 sec chord
Dynamical classification is 4:3E
 
 
 
 
 
 

Star training set for 533211, (2024/01/31 09:03UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:27.9 -11:17:11  1.0 13.63  12
Vindemiatrix   13:03:22.6 +10:49:49  2.8 12.97  16
78 Vir         13:35:21.2 +03:32:10  4.9  2.21  14
PPM 159958     13:41:40.7 +02:01:45  8.5  0.23  15
533211         13:41:04.0 +01:51:12 13.4        15
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 4.0 sigma about the mid-time.
The median site spacing is 17.0 km RECON observability=1.0 and success probability=6.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:16:28 -48.2 Dark Up 29.1 130.5 Low 09:01:28 - 09:31:28 -5971
Kamloops 09:16:38 -54.6 Dark Up 22.4 116.3 Low 09:01:38 - 09:31:38 -6709
Kelowna 09:16:28 -55.1 Dark Up 23.2 116.8 Low 09:01:28 - 09:31:28 -6747
Peachland 09:16:35 -55.2 Dark Up 23.1 116.5 Low 09:01:35 - 09:31:35 -6768
Summerland 09:16:31 -55.3 Dark Up 23.2 116.5 Low 09:01:31 - 09:31:31 -6778
Penticton 09:16:31 -55.4 Dark Up 23.3 116.6 Low 09:01:31 - 09:31:31 -6779
Dunrhomin 09:14:57 -55.4 Dark Up 36.5 124.8 Up 08:59:57 - 09:29:57 -6807
Oliver 09:16:28 -55.7 Dark Up 23.5 116.4 Low 09:01:28 - 09:31:28 -6810
Anarchist Mountain Observatory 09:16:28 -55.8 Dark Up 23.6 116.5 Low 09:01:28 - 09:31:28 -6818
CU-SBO 09:15:00 -55.6 Dark Up 36.6 124.6 Up 09:00:00 - 09:30:00 -6831
Tonasket 09:16:28 -56.1 Dark Up 23.7 116.3 Low 09:01:28 - 09:31:28 -6847
Okanogan 09:16:24 -56.4 Dark Up 23.8 116.1 Low 09:01:24 - 09:31:24 -6883
Brewster 09:16:22 -56.7 Dark Up 23.8 115.8 Low 09:01:22 - 09:31:22 -6914
Manson/Chelan 09:16:22 -57.0 Dark Up 23.6 115.4 Low 09:01:22 - 09:31:22 -6947
Wenatchee 09:16:15 -57.5 Dark Up 23.7 115.0 Low 09:01:15 - 09:31:15 -6995
Victoria 09:16:29 -57.4 Dark Up 21.4 112.8 Low 09:01:29 - 09:31:29 -7012
Ellensburg 09:16:14 -57.9 Dark Up 23.8 114.6 Low 09:01:14 - 09:31:14 -7040
PNWRO 09:16:10 -58.2 Dark Up 25.2 115.6 Low 09:01:10 - 09:31:10 -7058
Yakima 09:16:19 -58.3 Dark Up 23.9 114.5 Low 09:01:19 - 09:31:19 -7076
Toppenish/White Swan 09:16:14 -58.4 Dark Up 24.1 114.5 Low 09:01:14 - 09:31:14 -7088
Goldendale 09:16:07 -59.1 Dark Up 24.1 113.9 Low 09:01:07 - 09:31:07 -7153
The Dalles 09:16:10 -59.4 Dark Up 23.9 113.5 Low 09:01:10 - 09:31:10 -7187
Maupin 09:16:07 -59.7 Dark Up 24.1 113.4 Low 09:01:07 - 09:31:07 -7219
Sisters 09:16:03 -60.7 Dark Up 24.2 112.6 Low 09:01:03 - 09:31:03 -7315
Bend 09:15:54 -60.8 Dark Up 24.4 112.7 Low 09:00:54 - 09:30:54 -7325
Oregon Observatory 09:15:53 -61.0 Dark Up 24.4 112.5 Low 09:00:53 - 09:30:53 -7346
North Lake 09:15:49 -61.4 Dark Up 25.0 112.7 Low 09:00:49 - 09:30:49 -7378
Lakeview 09:15:45 -62.1 Dark Up 25.7 112.7 Low 09:00:45 - 09:30:45 -7444
Chiloquin 09:15:49 -62.3 Dark Up 24.6 111.6 Low 09:00:49 - 09:30:49 -7475
Cedarville 09:15:35 -62.6 Dark Up 26.1 112.5 Low 09:00:35 - 09:30:35 -7491
Klamath Falls 09:15:45 -62.6 Dark Up 24.7 111.5 Low 09:00:45 - 09:30:45 -7501
Fall River/Burney 09:15:33 -63.5 Dark Up 25.4 111.3 Low 09:00:33 - 09:30:33 -7584
Susanville 09:15:31 -63.7 Dark Up 26.2 111.6 Low 09:00:31 - 09:30:31 -7604
Tonopah 09:15:03 -64.0 Dark Up 29.4 113.0 Low 09:00:03 - 09:30:03 -7635
Gimple 09:15:28 -64.0 Dark Up 26.1 111.3 Low 09:00:28 - 09:30:28 -7636
Reno 09:15:24 -64.1 Dark Up 27.1 111.8 Low 09:00:24 - 09:30:24 -7638
Greenville 09:15:31 -64.1 Dark Up 26.0 111.2 Low 09:00:31 - 09:30:31 -7640
Portola 09:15:24 -64.1 Dark Up 26.5 111.4 Low 09:00:24 - 09:30:24 -7646
Yerington 09:15:12 -64.2 Dark Up 27.7 112.0 Low 09:00:12 - 09:30:12 -7653
Quincy 09:15:28 -64.2 Dark Up 26.1 111.1 Low 09:00:28 - 09:30:28 -7656
Patrick 09:14:35 -63.8 Dark Up 32.9 114.1 Up 08:59:35 - 09:29:35 -7663
Hawthorne 09:15:14 -64.3 Dark Up 28.3 112.2 Low 09:00:14 - 09:30:14 -7666
Carson City 09:15:17 -64.4 Dark Up 27.2 111.6 Low 09:00:17 - 09:30:17 -7667
Indian Springs 09:14:50 -64.2 Dark Up 31.1 113.4 Up 08:59:50 - 09:29:50 -7672
George/Scottsdale 09:14:15 -63.5 Dark Up 35.0 114.6 Up 08:59:15 - 09:29:15 -7673
Henderson 09:14:43 -64.1 Dark Up 31.8 113.7 Up 08:59:43 - 09:29:43 -7676
Gardnerville 09:15:20 -64.5 Dark Up 27.3 111.6 Low 09:00:20 - 09:30:20 -7684
Kingman/Dolan Springs 09:14:34 -64.1 Dark Up 32.8 113.9 Up 08:59:34 - 09:29:34 -7690
Beatty 09:14:56 -64.6 Dark Up 30.2 112.8 Up 08:59:56 - 09:29:56 -7702
Laughlin/Bullhead City 09:14:35 -64.4 Dark Up 32.4 113.4 Up 08:59:35 - 09:29:35 -7719
Lee Vining 09:15:10 -65.0 Dark Up 28.1 111.5 Low 09:00:10 - 09:30:10 -7734
Mohave Valley 09:14:32 -64.6 Dark Up 32.5 113.3 Up 08:59:32 - 09:29:32 -7739
Bishop 09:14:58 -65.1 Dark Up 28.8 111.8 Low 08:59:58 - 09:29:58 -7747
Lake Havasu City 09:14:29 -64.7 Dark Up 32.9 113.2 Up 08:59:29 - 09:29:29 -7755
Parker 09:14:25 -64.9 Dark Up 33.0 113.0 Up 08:59:25 - 09:29:25 -7779
Yuma 09:14:11 -66.0 Dark Up 33.3 111.8 Up 08:59:11 - 09:29:11 -7904
Calipatria 09:14:18 -66.4 Dark Up 32.4 111.5 Up 08:59:18 - 09:29:18 -7921
Idyllwild 09:14:27 -66.7 Dark Up 31.3 111.0 Up 08:59:27 - 09:29:27 -7940
Wildwood 09:14:34 -67.6 Dark Up 29.7 109.8 Low 08:59:34 - 09:29:34 -8009

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 533211, (2024/01/31 09:03UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 13.63  12
Vindemiatrix   13:02:10.2 +10:57:33  2.8 12.97  16
78 Vir         13:34:08.0 +03:39:32  4.9  2.21  14
PPM 159958     13:40:27.1 +02:09:01  8.5  0.23  15
533211         13:39:50.4 +01:58:29 13.4        15
Positions are for J2000

Event circumstances last updated at 2022/05/03 01:58:02 UT

Marc W. Buie, Southwest Research Institute

RECON