RECON: TNO occultation with 533205

Event between (533205) 14DD143 and star GA0880:03992540 with event index number of 1605156

Geocentric closest approach at 2020/11/27 11:52:59 UTC

J2000 position of star is 11:58:54.0 -00:36:27
Equinox of date position of star is 11:59:56.0 -00:43:11
Stellar brightness G=12.7, use SENSEUP=16
Star is 146 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=26.5

[RECON map]
TNO is 43.1 AU from the Sun and 43.5 AU from the Earth.
The TNO is moving 16.8 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 394 seconds.
The 1-sigma cross-track error in the shadow position is 3259 km.
The sky-plane scale is 31516.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=363.1 km assuming a 5% albedo -- 3.6 sec chord
Diameter=148.2 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533205, (2020/11/27 11:53UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:17.9 -11:16:11  1.0 23.88 168
Denebola       11:50:07.5 +14:27:18  2.1 15.37 137
PPM 178683     12:07:04.1 -03:14:53  6.4  3.08 148
PPM 178631     11:56:05.0 -00:40:21  8.5  0.97 145
PPM 178655     12:01:28.5 -00:48:30  9.3  0.39 146
PPM 178643     11:59:26.9 -00:50:38 10.9  0.18 146
533205         11:59:58.3 -00:43:26 12.7       146
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 2.3 sigma about the mid-time.
The median site spacing is 23.6 km RECON observability=1.0 and success probability=8.7%
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 11:47:58 -34.7 Dark Up 20.9 118.5 Low 11:32:58 - 12:02:58 -3763
Kelowna 11:47:57 -34.9 Dark Up 21.0 118.2 Low 11:32:57 - 12:02:57 -3802
Peachland 11:47:56 -35.1 Dark Up 20.9 117.9 Low 11:32:56 - 12:02:56 -3818
Summerland 11:47:56 -35.1 Dark Up 21.0 118.0 Low 11:32:56 - 12:02:56 -3830
Penticton 11:47:56 -35.0 Dark Up 21.1 118.0 Low 11:32:56 - 12:02:56 -3835
Oliver 11:47:56 -35.1 Dark Up 21.3 117.9 Low 11:32:56 - 12:02:56 -3868
Anarchist Mountain Observatory 11:47:55 -35.0 Dark Up 21.5 118.0 Low 11:32:55 - 12:02:55 -3880
Tonasket 11:47:54 -35.0 Dark Up 21.6 117.8 Low 11:32:54 - 12:02:54 -3911
Okanogan 11:47:54 -35.2 Dark Up 21.6 117.6 Low 11:32:54 - 12:02:54 -3946
Brewster 11:47:53 -35.4 Dark Up 21.6 117.3 Low 11:32:53 - 12:02:53 -3975
Victoria 11:47:45 -37.7 Dark Up 19.3 114.3 Really Low 11:32:45 - 12:02:45 -3996
Manson/Chelan 11:47:52 -35.6 Dark Up 21.5 116.9 Low 11:32:52 - 12:02:52 -4002
Entiat 11:47:51 -35.7 Dark Up 21.6 116.8 Low 11:32:51 - 12:02:51 -4024
Wenatchee 11:47:49 -35.8 Dark Up 21.6 116.6 Low 11:32:49 - 12:02:49 -4050
Ellensburg 11:47:49 -36.0 Dark Up 21.7 116.3 Low 11:32:49 - 12:02:49 -4094
Yakima 11:47:47 -36.1 Dark Up 21.8 116.1 Low 11:32:47 - 12:02:47 -4134
Pasco 11:47:51 -35.1 Dark Up 22.9 117.2 Low 11:32:51 - 12:02:51 -4140
Toppenish/White Swan 11:47:48 -36.0 Dark Up 22.0 116.2 Low 11:32:48 - 12:02:48 -4151
PNWRO 11:47:51 -35.0 Dark Up 23.1 117.3 Low 11:32:51 - 12:02:51 -4159
Goldendale 11:47:47 -36.3 Dark Up 22.0 115.6 Low 11:32:47 - 12:02:47 -4213
The Dalles 11:47:45 -36.6 Dark Up 21.9 115.2 Low 11:32:45 - 12:02:45 -4242
Maupin 11:47:45 -36.6 Dark Up 22.1 115.1 Low 11:32:45 - 12:02:45 -4281
Redmond 11:47:43 -36.8 Dark Up 22.4 114.7 Low 11:32:43 - 12:02:43 -4371
Sisters 11:47:40 -37.1 Dark Up 22.1 114.4 Low 11:32:40 - 12:02:40 -4377
Bend 11:47:42 -36.9 Dark Up 22.4 114.5 Low 11:32:42 - 12:02:42 -4395
Niwot 11:48:27 -24.7 Dark Down 34.8 127.1 Up 11:33:27 - 12:03:27 -4411
Oregon Observatory 11:47:41 -37.0 Dark Up 22.4 114.3 Low 11:32:41 - 12:02:41 -4415
SwRI 11:48:25 -24.8 Dark Down 34.8 126.9 Up 11:33:25 - 12:03:25 -4424
La Pine/Gilchrist 11:47:42 -37.1 Dark Up 22.4 114.2 Low 11:32:42 - 12:02:42 -4436
North Lake 11:47:43 -36.7 Dark Up 23.0 114.6 Low 11:32:43 - 12:02:43 -4468
Paisley 11:47:42 -36.4 Dark Up 23.5 114.6 Low 11:32:42 - 12:02:42 -4516
Lakeview 11:47:41 -36.3 Dark Up 23.8 114.6 Low 11:32:41 - 12:02:41 -4563
Klamath Falls 11:47:39 -37.4 Dark Up 22.8 113.4 Low 11:32:39 - 12:02:39 -4587
Cedarville 11:47:40 -36.2 Dark Up 24.2 114.4 Low 11:32:40 - 12:02:40 -4626
Fall River/Burney 11:47:38 -37.2 Dark Up 23.6 113.3 Low 11:32:38 - 12:02:38 -4699
Susanville 11:47:39 -36.7 Dark Up 24.3 113.6 Low 11:32:39 - 12:02:39 -4748
Gimple 11:47:38 -36.8 Dark Up 24.3 113.3 Low 11:32:38 - 12:02:38 -4780
Greenville 11:47:38 -36.9 Dark Up 24.2 113.3 Low 11:32:38 - 12:02:38 -4782
Quincy 11:47:38 -36.9 Dark Up 24.3 113.2 Low 11:32:38 - 12:02:38 -4802
Portola 11:47:38 -36.5 Dark Up 24.7 113.5 Low 11:32:38 - 12:02:38 -4805
Reno 11:47:39 -36.0 Dark Up 25.3 113.9 Low 11:32:39 - 12:02:39 -4819
Carson City 11:47:37 -36.0 Dark Up 25.4 113.7 Low 11:32:37 - 12:02:37 -4856
Yerington 11:47:42 -35.5 Dark Up 26.0 114.2 Low 11:32:42 - 12:02:42 -4862
Gardnerville 11:47:39 -36.0 Dark Up 25.6 113.7 Low 11:32:39 - 12:02:39 -4880
Hawthorne 11:47:42 -35.1 Dark Up 26.5 114.4 Low 11:32:42 - 12:02:42 -4898
Tonopah 11:47:45 -34.0 Dark Up 27.8 115.3 Low 11:32:45 - 12:02:45 -4914
Lee Vining 11:47:41 -35.5 Dark Up 26.4 113.7 Low 11:32:41 - 12:02:41 -4966
Bishop 11:47:41 -34.9 Dark Up 27.2 114.0 Low 11:32:41 - 12:02:41 -5012
Beatty 11:47:47 -33.6 Dark Up 28.6 115.1 Low 11:32:47 - 12:02:47 -5023
Indian Springs 11:47:49 -32.7 Dark Up 29.5 115.8 Low 11:32:49 - 12:02:49 -5031
Henderson 11:47:51 -32.1 Dark Up 30.3 116.1 Up 11:32:51 - 12:02:51 -5069
Patrick 11:47:54 -31.1 Dark Down 31.4 116.6 Up 11:32:54 - 12:02:54 -5106
DCO 11:47:57 -30.5 Dark Down 32.0 117.1 Up 11:32:57 - 12:02:57 -5119
Searchlight/Boulder City 11:47:51 -32.0 Dark Up 30.6 115.8 Up 11:32:51 - 12:02:51 -5126
Kingman/Dolan Springs 11:47:53 -31.3 Dark Down 31.3 116.4 Up 11:32:53 - 12:02:53 -5133
Laughlin/Bullhead City 11:47:52 -31.7 Dark Up 30.9 115.9 Up 11:32:52 - 12:02:52 -5148
Mohave Valley 11:47:51 -31.7 Dark Up 31.1 115.8 Up 11:32:51 - 12:02:51 -5176
Lake Havasu City 11:47:52 -31.4 Dark Down 31.4 115.8 Up 11:32:52 - 12:02:52 -5211
George/Scottsdale 11:48:00 -29.3 Dark Down 33.6 117.3 Up 11:33:00 - 12:03:00 -5228
Parker 11:47:52 -31.4 Dark Down 31.6 115.6 Up 11:32:52 - 12:02:52 -5247
CPSLO 11:47:34 -36.7 Dark Up 26.3 111.3 Low 11:32:34 - 12:02:34 -5274
Blythe 11:47:51 -31.6 Dark Up 31.6 115.1 Up 11:32:51 - 12:02:51 -5308
Idyllwild 11:47:44 -33.3 Dark Up 29.9 113.5 Low 11:32:44 - 12:02:44 -5348
Wildwood 11:47:39 -35.0 Dark Up 28.3 112.3 Low 11:32:39 - 12:02:39 -5355
Calipatria 11:47:47 -32.3 Dark Up 31.1 114.1 Up 11:32:47 - 12:02:47 -5383
Yuma 11:47:51 -31.5 Dark Down 32.0 114.5 Up 11:32:51 - 12:02:51 -5405

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 533205, (2020/11/27 11:53UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 23.88 168
Denebola       11:49:02.9 +14:34:17  2.1 15.37 137
PPM 178683     12:05:59.8 -03:07:54  6.4  3.08 148
PPM 178631     11:55:00.7 -00:33:22  8.5  0.97 145
PPM 178655     12:00:24.2 -00:41:31  9.3  0.39 146
PPM 178643     11:58:22.7 -00:43:39 10.9  0.18 146
533205         11:58:54.0 -00:36:27 12.7       146
Positions are for J2000

Event circumstances last updated at 2020/02/26 21:47:39 UT

Marc W. Buie, Southwest Research Institute

RECON