RECON: TNO occultation with 533206

Event between (533206) 14DE143 and star GA0880:04083751 with event index number of 1843643

Geocentric closest approach at 2028/02/20 07:26:11 UTC

J2000 position of star is 12:46:46.6 -01:49:06
Equinox of date position of star is 12:47:50.9 -01:55:55
Stellar brightness G=15.5, use SENSEUP=128
Star is 84 degrees from the moon. Moon is 22% illuminated.
TNO apparent brightness V=26.5

[RECON map]
TNO is 43.7 AU from the Sun and 43.0 AU from the Earth.
The TNO is moving 18.2 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 307 seconds.
The 1-sigma cross-track error in the shadow position is 3410 km.
The sky-plane scale is 31180.0 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=380.2 km assuming a 5% albedo -- 3.3 sec chord
Diameter=155.2 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533206, (2028/02/20 07:26UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:40.8 -11:18:26  1.0 13.35  72
Vindemiatrix   13:03:34.8 +10:48:30  2.8 13.34  86
38 Vir         12:54:37.9 -03:42:20  6.1  2.36  82
PPM 178863     12:45:04.9 -01:43:53  6.8  0.82  85
PPM 178885     12:50:24.5 -01:39:27  9.1  0.63  84
PPM 178878     12:48:30.5 -02:14:20 11.7  0.28  84
533206         12:48:13.4 -01:58:18 15.5        84
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 2.9 sigma about the mid-time.
The median site spacing is 21.6 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)
Clarence Fulton 07:30:46 -49.9 Dark Down 23.5 125.2 Low 07:15:46 - 07:45:46 4116
Kelowna 07:30:48 -50.3 Dark Down 23.6 125.0 Low 07:15:48 - 07:45:48 4077
Peachland 07:30:47 -50.3 Dark Down 23.6 124.6 Low 07:15:47 - 07:45:47 4060
Summerland 07:30:47 -50.5 Dark Down 23.7 124.7 Low 07:15:47 - 07:45:47 4049
Penticton 07:30:48 -50.6 Dark Down 23.8 124.8 Low 07:15:48 - 07:45:48 4045
Oliver 07:30:48 -50.9 Dark Down 24.0 124.6 Low 07:15:48 - 07:45:48 4013
Anarchist Mountain Observatory 07:30:48 -51.1 Dark Down 24.2 124.7 Low 07:15:48 - 07:45:48 4002
Tonasket 07:30:48 -51.4 Dark Down 24.3 124.6 Low 07:15:48 - 07:45:48 3971
Okanogan 07:30:50 -51.7 Dark Down 24.4 124.3 Low 07:15:50 - 07:45:50 3936
Brewster 07:30:49 -51.9 Dark Down 24.5 124.0 Low 07:15:49 - 07:45:49 3906
Manson/Chelan 07:30:50 -52.1 Dark Down 24.4 123.6 Low 07:15:50 - 07:45:50 3878
Victoria 07:30:56 -50.7 Dark Down 22.2 120.9 Low 07:15:56 - 07:45:56 3863
Entiat 07:30:52 -52.2 Dark Down 24.5 123.5 Low 07:15:52 - 07:45:52 3856
Wenatchee 07:30:53 -52.5 Dark Down 24.6 123.3 Low 07:15:53 - 07:45:53 3830
Ellensburg 07:30:53 -52.8 Dark Down 24.7 122.9 Low 07:15:53 - 07:45:53 3785
Pasco 07:30:51 -53.8 Dark Down 25.9 123.9 Low 07:15:51 - 07:45:51 3750
Yakima 07:30:55 -53.2 Dark Down 24.9 122.8 Low 07:15:55 - 07:45:55 3747
PNWRO 07:30:50 -54.1 Dark Down 26.2 124.0 Low 07:15:50 - 07:45:50 3733
Toppenish/White Swan 07:30:53 -53.4 Dark Down 25.1 122.8 Low 07:15:53 - 07:45:53 3730
Goldendale 07:30:56 -53.9 Dark Down 25.1 122.2 Low 07:15:56 - 07:45:56 3667
The Dalles 07:30:55 -54.0 Dark Down 25.0 121.8 Low 07:15:55 - 07:45:55 3637
Maupin 07:30:56 -54.4 Dark Down 25.3 121.7 Low 07:15:56 - 07:45:56 3599
Niwot 07:30:12 -60.7 Dark Down 37.5 134.4 Up 07:15:12 - 07:45:12 3586
SwRI 07:30:14 -60.9 Dark Down 37.6 134.2 Up 07:15:14 - 07:45:14 3573
Redmond 07:30:57 -55.2 Dark Down 25.8 121.3 Low 07:15:57 - 07:45:57 3510
Sisters 07:30:58 -55.1 Dark Down 25.5 121.0 Low 07:15:58 - 07:45:58 3502
Bend 07:30:58 -55.4 Dark Down 25.8 121.1 Low 07:15:58 - 07:45:58 3486
Oregon Observatory 07:30:59 -55.5 Dark Down 25.8 120.9 Low 07:15:59 - 07:45:59 3466
La Pine/Gilchrist 07:30:59 -55.7 Dark Down 25.9 120.8 Low 07:15:59 - 07:45:59 3444
North Lake 07:30:57 -56.3 Dark Down 26.4 121.1 Low 07:15:57 - 07:45:57 3417
Paisley 07:30:56 -56.9 Dark Down 27.0 121.2 Low 07:15:56 - 07:45:56 3373
Lakeview 07:30:57 -57.4 Dark Down 27.3 121.1 Low 07:15:57 - 07:45:57 3328
Klamath Falls 07:31:00 -57.0 Dark Down 26.4 119.9 Low 07:16:00 - 07:46:00 3295
Cedarville 07:30:58 -58.1 Dark Down 27.8 121.0 Low 07:15:58 - 07:45:58 3269
Fall River/Burney 07:31:01 -58.2 Dark Down 27.3 119.7 Low 07:16:01 - 07:46:01 3188
Susanville 07:30:59 -59.0 Dark Down 28.1 120.1 Low 07:15:59 - 07:45:59 3146
Gimple 07:31:00 -59.2 Dark Down 28.1 119.8 Low 07:16:00 - 07:46:00 3113
Greenville 07:31:00 -59.1 Dark Down 28.0 119.7 Low 07:16:00 - 07:46:00 3111
Portola 07:30:59 -59.6 Dark Down 28.5 119.9 Low 07:15:59 - 07:45:59 3091
Quincy 07:31:00 -59.3 Dark Down 28.1 119.6 Low 07:16:00 - 07:46:00 3091
Reno 07:30:56 -60.0 Dark Down 29.0 120.4 Low 07:15:56 - 07:45:56 3083
Carson City 07:30:56 -60.4 Dark Down 29.2 120.2 Low 07:15:56 - 07:45:56 3048
Yerington 07:30:55 -60.7 Dark Down 29.8 120.7 Low 07:15:55 - 07:45:55 3046
Gardnerville 07:30:57 -60.6 Dark Down 29.4 120.1 Low 07:15:57 - 07:45:57 3024
Hawthorne 07:30:54 -61.3 Dark Down 30.3 120.9 Up 07:15:54 - 07:45:54 3015
Tonopah 07:30:51 -62.1 Dark Down 31.5 121.8 Up 07:15:51 - 07:45:51 3009
Lee Vining 07:30:56 -61.7 Dark Down 30.3 120.2 Up 07:15:56 - 07:45:56 2945
Indian Springs 07:30:47 -63.8 Dark Down 33.3 122.4 Up 07:15:47 - 07:45:47 2908
Beatty 07:30:48 -63.3 Dark Down 32.4 121.6 Up 07:15:48 - 07:45:48 2908
Bishop 07:30:55 -62.4 Dark Down 31.1 120.5 Up 07:15:55 - 07:45:55 2905
Henderson 07:30:44 -64.5 Dark Down 34.1 122.7 Up 07:15:44 - 07:45:44 2877
Patrick 07:30:42 -65.3 Dark Down 35.2 123.3 Up 07:15:42 - 07:45:42 2850
DCO 07:30:39 -65.7 Dark Down 35.8 123.7 Up 07:15:39 - 07:45:39 2842
Kingman/Dolan Springs 07:30:41 -65.5 Dark Down 35.2 123.0 Up 07:15:41 - 07:45:41 2822
Searchlight/Boulder City 07:30:44 -65.1 Dark Down 34.4 122.4 Up 07:15:44 - 07:45:44 2821
Laughlin/Bullhead City 07:30:43 -65.4 Dark Down 34.8 122.5 Up 07:15:43 - 07:45:43 2803
Mohave Valley 07:30:44 -65.7 Dark Down 35.0 122.4 Up 07:15:44 - 07:45:44 2776
George/Scottsdale 07:30:34 -67.2 Dark Down 37.5 124.1 Up 07:15:34 - 07:45:34 2747
Lake Havasu City 07:30:43 -66.1 Dark Down 35.4 122.4 Up 07:15:43 - 07:45:43 2744
Parker 07:30:41 -66.5 Dark Down 35.6 122.2 Up 07:15:41 - 07:45:41 2709
Blythe 07:30:43 -66.9 Dark Down 35.7 121.6 Up 07:15:43 - 07:45:43 2647
CPSLO 07:31:00 -63.6 Dark Down 30.5 117.6 Up 07:16:00 - 07:46:00 2632
Idyllwild 07:30:49 -66.3 Dark Down 34.1 119.9 Up 07:15:49 - 07:45:49 2592
Wildwood 07:30:55 -65.4 Dark Down 32.6 118.5 Up 07:15:55 - 07:45:55 2570
Calipatria 07:30:46 -67.2 Dark Down 35.2 120.5 Up 07:15:46 - 07:45:46 2567
Yuma 07:30:43 -67.8 Dark Down 36.1 121.0 Up 07:15:43 - 07:45:43 2553

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 533206, (2028/02/20 07:26UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 13.35  72
Vindemiatrix   13:02:10.2 +10:57:33  2.8 13.34  86
38 Vir         12:53:10.8 -03:33:11  6.1  2.36  82
PPM 178863     12:43:38.2 -01:34:40  6.8  0.82  85
PPM 178885     12:48:57.8 -01:30:17  9.1  0.63  84
PPM 178878     12:47:03.7 -02:05:08 11.7  0.28  84
533206         12:46:46.6 -01:49:06 15.5        84
Positions are for J2000

Event circumstances last updated at 2020/11/06 22:47:32 UT

Marc W. Buie, Southwest Research Institute

RECON