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 11:49:30 UTC

J2000 position of star is 11:58:54.0 -00:36:27
Equinox of date position of star is 11:59:54.0 -00:42:58
Stellar brightness G=12.7, use SENSEUP=16
Star is 146 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=22.6

[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 430 seconds.
The 1-sigma cross-track error in the shadow position is 3504 km.
The sky-plane scale is 31516.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 21.6 sec chord
Diameter=148.2 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 533205, (2020/11/27 11:50UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:17.9 -11:16:11  1.0 23.88 168
Denebola       11:50:07.5 +14:27:19  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     11:59:27.0 -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 2.1 sigma about the mid-time.
The median site spacing is 22.1 km RECON observability=1.0 and success probability=8.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 11:44:27 -35.4 Dark Up 20.5 117.5 Low 11:29:27 - 11:59:27 -3733
Summerland 11:44:26 -35.6 Dark Up 20.5 117.2 Low 11:29:26 - 11:59:26 -3765
Penticton 11:44:26 -35.6 Dark Up 20.6 117.3 Low 11:29:26 - 11:59:26 -3770
Okanagan Falls 11:44:26 -35.6 Dark Up 20.7 117.2 Low 11:29:26 - 11:59:26 -3788
Oliver 11:44:25 -35.6 Dark Up 20.8 117.1 Low 11:29:25 - 11:59:25 -3803
Anarchist Mountain Observatory 11:44:23 -35.5 Dark Up 20.9 117.2 Low 11:29:23 - 11:59:23 -3816
Oroville 11:44:25 -35.6 Dark Up 20.9 117.2 Low 11:29:25 - 11:59:25 -3824
Tonasket 11:44:25 -35.6 Dark Up 21.0 117.1 Low 11:29:25 - 11:59:25 -3846
Okanogan 11:44:23 -35.8 Dark Up 21.1 116.8 Low 11:29:23 - 11:59:23 -3881
Brewster 11:44:22 -35.9 Dark Up 21.1 116.6 Low 11:29:22 - 11:59:22 -3911
Manson/Chelan 11:44:22 -36.2 Dark Up 21.0 116.2 Low 11:29:22 - 11:59:22 -3937
Wenatchee 11:44:20 -36.4 Dark Up 21.1 115.9 Low 11:29:20 - 11:59:20 -3986
Ellensburg 11:44:19 -36.6 Dark Up 21.1 115.5 Low 11:29:19 - 11:59:19 -4029
Yakima 11:44:16 -36.7 Dark Up 21.3 115.4 Low 11:29:16 - 11:59:16 -4069
Pasco 11:44:21 -35.7 Dark Up 22.3 116.5 Low 11:29:21 - 11:59:21 -4076
Toppenish/White Swan 11:44:18 -36.6 Dark Up 21.5 115.4 Low 11:29:18 - 11:59:18 -4087
PNWRO 11:44:21 -35.6 Dark Up 22.6 116.6 Low 11:29:21 - 11:59:21 -4096
George/Umatilla 11:44:20 -35.9 Dark Up 22.3 116.2 Low 11:29:20 - 11:59:20 -4113
Goldendale 11:44:16 -37.0 Dark Up 21.4 114.9 Low 11:29:16 - 11:59:16 -4149
The Dalles 11:44:14 -37.2 Dark Up 21.3 114.5 Low 11:29:14 - 11:59:14 -4177
Maupin 11:44:15 -37.2 Dark Up 21.5 114.4 Low 11:29:15 - 11:59:15 -4217
Madras/Culver 11:44:14 -37.3 Dark Up 21.7 114.2 Low 11:29:14 - 11:59:14 -4271
Redmond 11:44:13 -37.4 Dark Up 21.8 114.0 Low 11:29:13 - 11:59:13 -4308
Sisters 11:44:12 -37.7 Dark Up 21.6 113.7 Low 11:29:12 - 11:59:12 -4312
Bend 11:44:13 -37.5 Dark Up 21.8 113.8 Low 11:29:13 - 11:59:13 -4331
Oregon Observatory 11:44:11 -37.6 Dark Up 21.8 113.6 Low 11:29:11 - 11:59:11 -4351
SwRI 11:44:54 -25.4 Dark Down 34.3 126.1 Up 11:29:54 - 11:59:54 -4368
La Pine/Gilchrist 11:44:12 -37.7 Dark Up 21.9 113.5 Low 11:29:12 - 11:59:12 -4373
North Lake 11:44:12 -37.3 Dark Up 22.4 113.8 Low 11:29:12 - 11:59:12 -4405
Paisley 11:44:12 -37.1 Dark Up 22.9 113.9 Low 11:29:12 - 11:59:12 -4453
Chiloquin 11:44:08 -38.1 Dark Up 22.1 112.8 Low 11:29:08 - 11:59:08 -4490
Lakeview 11:44:11 -37.0 Dark Up 23.2 113.9 Low 11:29:11 - 11:59:11 -4501
Klamath Falls 11:44:09 -38.0 Dark Up 22.2 112.7 Low 11:29:09 - 11:59:09 -4524
Tulelake 11:44:09 -37.8 Dark Up 22.6 112.9 Low 11:29:09 - 11:59:09 -4545
Cedarville 11:44:11 -36.9 Dark Up 23.6 113.8 Low 11:29:11 - 11:59:11 -4563
Fall River/Burney 11:44:08 -37.9 Dark Up 23.0 112.6 Low 11:29:08 - 11:59:08 -4636
Susanville 11:44:08 -37.3 Dark Up 23.7 112.9 Low 11:29:08 - 11:59:08 -4685
Gimple 11:44:07 -37.5 Dark Up 23.7 112.6 Low 11:29:07 - 11:59:07 -4718
Greenville 11:44:08 -37.6 Dark Up 23.6 112.6 Low 11:29:08 - 11:59:08 -4719
Quincy 11:44:07 -37.6 Dark Up 23.7 112.5 Low 11:29:07 - 11:59:07 -4740
Portola 11:44:08 -37.2 Dark Up 24.1 112.8 Low 11:29:08 - 11:59:08 -4743
Reno 11:44:10 -36.7 Dark Up 24.7 113.2 Low 11:29:10 - 11:59:10 -4757
Carson City 11:44:10 -36.7 Dark Up 24.8 113.1 Low 11:29:10 - 11:59:10 -4794
Yerington 11:44:10 -36.2 Dark Up 25.3 113.5 Low 11:29:10 - 11:59:10 -4800
Gardnerville 11:44:07 -36.7 Dark Up 24.9 113.0 Low 11:29:07 - 11:59:07 -4818
Hawthorne 11:44:11 -35.8 Dark Up 25.9 113.7 Low 11:29:11 - 11:59:11 -4837
Tonopah 11:44:15 -34.7 Dark Up 27.1 114.6 Low 11:29:15 - 11:59:15 -4854
Lee Vining 11:44:10 -36.2 Dark Up 25.8 113.1 Low 11:29:10 - 11:59:10 -4905
Bishop 11:44:11 -35.6 Dark Up 26.5 113.4 Low 11:29:11 - 11:59:11 -4951
Beatty 11:44:16 -34.3 Dark Up 27.9 114.4 Low 11:29:16 - 11:59:16 -4963
Indian Springs 11:44:20 -33.4 Dark Up 28.9 115.1 Low 11:29:20 - 11:59:20 -4971
Henderson 11:44:20 -32.8 Dark Up 29.6 115.4 Low 11:29:20 - 11:59:20 -5010
Lone Pine 11:44:11 -35.3 Dark Up 27.1 113.3 Low 11:29:11 - 11:59:11 -5022
Patrick 11:44:25 -31.8 Dark Up 30.7 115.9 Up 11:29:25 - 11:59:25 -5047
Searchlight/Boulder City 11:44:21 -32.7 Dark Up 29.9 115.1 Low 11:29:21 - 11:59:21 -5067
Kingman/Dolan Springs 11:44:23 -32.0 Dark Up 30.7 115.7 Up 11:29:23 - 11:59:23 -5075
Laughlin/Bullhead City 11:44:23 -32.4 Dark Up 30.3 115.3 Up 11:29:23 - 11:59:23 -5090
Mohave Valley 11:44:20 -32.4 Dark Up 30.4 115.1 Up 11:29:20 - 11:59:20 -5118
Lake Havasu City 11:44:21 -32.1 Dark Up 30.8 115.1 Up 11:29:21 - 11:59:21 -5153
Parker 11:44:21 -32.1 Dark Up 30.9 114.9 Up 11:29:21 - 11:59:21 -5188
CPSLO 11:44:04 -37.4 Dark Up 25.6 110.7 Low 11:29:04 - 11:59:04 -5213
Blythe 11:44:20 -32.3 Dark Up 30.9 114.4 Up 11:29:20 - 11:59:20 -5250
Idyllwild 11:44:13 -34.1 Dark Up 29.2 112.9 Low 11:29:13 - 11:59:13 -5289
Wildwood 11:44:09 -35.7 Dark Up 27.6 111.6 Low 11:29:09 - 11:59:09 -5295
Calipatria 11:44:17 -33.0 Dark Up 30.4 113.4 Up 11:29:17 - 11:59:17 -5324
Yuma 11:44:20 -32.2 Dark Up 31.3 113.9 Up 11:29:20 - 11:59:20 -5347

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 11:50UT)
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 2019/07/02 21:52:41 UT

Marc W. Buie, Southwest Research Institute

RECON