RECON: TNO occultation with 14DD143

Event between 14DD143 and star GA0880:03992540 with event index number of 1003453

Geocentric closest approach at 2020/11/27 11:49:58 UTC

J2000 position of star is 11:58:54.0 -00:36:27
Equinox of date position of star is 11:59:52.9 -00:42:50
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 231 seconds.
The 1-sigma cross-track error in the shadow position is 2228 km.
The sky-plane scale is 31516.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.1
Diameter=356.5 km assuming a 5% albedo -- 21.2 sec chord
Diameter=145.5 km assuming a 30% albedo -- 8.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14DD143, (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       11:50:07.6 +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
14DD143        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 3.9 sigma about the mid-time.
The median site spacing is 22.0 km RECON observability=1.0 and success probability=7.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 11:44:55 -35.3 Dark Up 20.6 117.6 Low 11:29:55 - 11:59:55 -3718
Summerland 11:44:54 -35.6 Dark Up 20.6 117.3 Low 11:29:54 - 11:59:54 -3751
Penticton 11:44:54 -35.5 Dark Up 20.7 117.4 Low 11:29:54 - 11:59:54 -3755
Okanagan Falls 11:44:54 -35.5 Dark Up 20.7 117.3 Low 11:29:54 - 11:59:54 -3773
Oliver 11:44:52 -35.6 Dark Up 20.8 117.2 Low 11:29:52 - 11:59:52 -3789
Anarchist Mountain Observatory 11:44:53 -35.4 Dark Up 21.0 117.3 Low 11:29:53 - 11:59:53 -3801
Oroville 11:44:53 -35.5 Dark Up 21.0 117.3 Low 11:29:53 - 11:59:53 -3810
Tonasket 11:44:52 -35.5 Dark Up 21.1 117.2 Low 11:29:52 - 11:59:52 -3832
Okanogan 11:44:51 -35.7 Dark Up 21.2 116.9 Low 11:29:51 - 11:59:51 -3866
Brewster 11:44:50 -35.9 Dark Up 21.2 116.7 Low 11:29:50 - 11:59:50 -3896
Manson/Chelan 11:44:48 -36.1 Dark Up 21.0 116.3 Low 11:29:48 - 11:59:48 -3922
Entiat 11:44:48 -36.2 Dark Up 21.1 116.1 Low 11:29:48 - 11:59:48 -3945
Wenatchee 11:44:47 -36.3 Dark Up 21.1 115.9 Low 11:29:47 - 11:59:47 -3971
Ellensburg 11:44:46 -36.5 Dark Up 21.2 115.6 Low 11:29:46 - 11:59:46 -4015
Yakima 11:44:46 -36.6 Dark Up 21.4 115.5 Low 11:29:46 - 11:59:46 -4054
Pasco 11:44:48 -35.6 Dark Up 22.4 116.6 Low 11:29:48 - 11:59:48 -4061
Toppenish/White Swan 11:44:45 -36.5 Dark Up 21.5 115.5 Low 11:29:45 - 11:59:45 -4073
PNWRO 11:44:47 -35.5 Dark Up 22.6 116.7 Low 11:29:47 - 11:59:47 -4081
George/Umatilla 11:44:48 -35.8 Dark Up 22.4 116.3 Low 11:29:48 - 11:59:48 -4098
Goldendale 11:44:45 -36.9 Dark Up 21.5 115.0 Low 11:29:45 - 11:59:45 -4134
The Dalles 11:44:43 -37.2 Dark Up 21.4 114.6 Low 11:29:43 - 11:59:43 -4163
Maupin 11:44:43 -37.1 Dark Up 21.6 114.5 Low 11:29:43 - 11:59:43 -4202
Madras/Culver 11:44:41 -37.2 Dark Up 21.8 114.3 Low 11:29:41 - 11:59:41 -4257
Redmond 11:44:41 -37.3 Dark Up 21.9 114.1 Low 11:29:41 - 11:59:41 -4293
Sisters 11:44:39 -37.6 Dark Up 21.6 113.8 Low 11:29:39 - 11:59:39 -4298
Bend 11:44:40 -37.4 Dark Up 21.9 113.9 Low 11:29:40 - 11:59:40 -4317
Oregon Observatory 11:44:39 -37.5 Dark Up 21.9 113.7 Low 11:29:39 - 11:59:39 -4336
Niwot 11:45:23 -25.3 Dark Down 34.4 126.3 Up 11:30:23 - 12:00:23 -4340
SwRI 11:45:22 -25.3 Dark Down 34.4 126.2 Up 11:30:22 - 12:00:22 -4352
La Pine/Gilchrist 11:44:39 -37.6 Dark Up 21.9 113.6 Low 11:29:39 - 11:59:39 -4358
North Lake 11:44:38 -37.2 Dark Up 22.5 113.9 Low 11:29:38 - 11:59:38 -4390
Paisley 11:44:39 -37.0 Dark Up 23.0 114.0 Low 11:29:39 - 11:59:39 -4438
Chiloquin 11:44:37 -38.0 Dark Up 22.1 112.9 Low 11:29:37 - 11:59:37 -4476
Lakeview 11:44:39 -36.9 Dark Up 23.3 114.0 Low 11:29:39 - 11:59:39 -4486
Klamath Falls 11:44:36 -38.0 Dark Up 22.3 112.8 Low 11:29:36 - 11:59:36 -4509
Tulelake 11:44:36 -37.8 Dark Up 22.6 113.0 Low 11:29:36 - 11:59:36 -4530
Cedarville 11:44:36 -36.8 Dark Up 23.7 113.8 Low 11:29:36 - 11:59:36 -4549
Fall River/Burney 11:44:35 -37.8 Dark Up 23.0 112.7 Low 11:29:35 - 11:59:35 -4621
Susanville 11:44:36 -37.2 Dark Up 23.8 113.0 Low 11:29:36 - 11:59:36 -4670
Gimple 11:44:35 -37.4 Dark Up 23.8 112.7 Low 11:29:35 - 11:59:35 -4703
Greenville 11:44:32 -37.5 Dark Up 23.7 112.7 Low 11:29:32 - 11:59:32 -4705
Quincy 11:44:35 -37.5 Dark Up 23.8 112.6 Low 11:29:35 - 11:59:35 -4725
Portola 11:44:36 -37.1 Dark Up 24.2 112.9 Low 11:29:36 - 11:59:36 -4728
Reno 11:44:38 -36.6 Dark Up 24.7 113.3 Low 11:29:38 - 11:59:38 -4742
Carson City 11:44:37 -36.6 Dark Up 24.9 113.2 Low 11:29:37 - 11:59:37 -4779
Yerington 11:44:39 -36.1 Dark Up 25.4 113.6 Low 11:29:39 - 11:59:39 -4785
Gardnerville 11:44:37 -36.6 Dark Up 25.0 113.1 Low 11:29:37 - 11:59:37 -4803
Hawthorne 11:44:39 -35.7 Dark Up 26.0 113.8 Low 11:29:39 - 11:59:39 -4822
Tonopah 11:44:43 -34.6 Dark Up 27.2 114.7 Low 11:29:43 - 11:59:43 -4839
Lee Vining 11:44:37 -36.1 Dark Up 25.9 113.1 Low 11:29:37 - 11:59:37 -4890
Bishop 11:44:39 -35.5 Dark Up 26.6 113.4 Low 11:29:39 - 11:59:39 -4936
Beatty 11:44:44 -34.2 Dark Up 28.0 114.5 Low 11:29:44 - 11:59:44 -4947
Indian Springs 11:44:46 -33.3 Dark Up 29.0 115.2 Low 11:29:46 - 11:59:46 -4956
Henderson 11:44:48 -32.7 Dark Up 29.7 115.5 Low 11:29:48 - 11:59:48 -4994
Lone Pine 11:44:39 -35.2 Dark Up 27.2 113.3 Low 11:29:39 - 11:59:39 -5007
Patrick 11:44:51 -31.7 Dark Up 30.8 116.0 Up 11:29:51 - 11:59:51 -5032
DCO 11:44:53 -31.1 Dark Down 31.5 116.4 Up 11:29:53 - 11:59:53 -5046
Searchlight/Boulder City 11:44:48 -32.6 Dark Up 30.0 115.2 Low 11:29:48 - 11:59:48 -5052
Kingman/Dolan Springs 11:44:51 -31.9 Dark Up 30.8 115.8 Up 11:29:51 - 11:59:51 -5059
Laughlin/Bullhead City 11:44:49 -32.3 Dark Up 30.4 115.3 Up 11:29:49 - 11:59:49 -5074
Mohave Valley 11:44:48 -32.3 Dark Up 30.5 115.2 Up 11:29:48 - 11:59:48 -5102
Lake Havasu City 11:44:49 -32.0 Dark Up 30.9 115.2 Up 11:29:49 - 11:59:49 -5137
Parker 11:44:49 -32.0 Dark Up 31.0 115.0 Up 11:29:49 - 11:59:49 -5173
CPSLO 11:44:32 -37.3 Dark Up 25.7 110.8 Low 11:29:32 - 11:59:32 -5197
Blythe 11:44:48 -32.2 Dark Up 31.0 114.5 Up 11:29:48 - 11:59:48 -5234
Idyllwild 11:44:42 -34.0 Dark Up 29.3 112.9 Low 11:29:42 - 11:59:42 -5273
Wildwood 11:44:36 -35.6 Dark Up 27.7 111.7 Low 11:29:36 - 11:59:36 -5279
Calipatria 11:44:45 -32.9 Dark Up 30.5 113.5 Up 11:29:45 - 11:59:45 -5308
Yuma 11:44:48 -32.1 Dark Up 31.4 114.0 Up 11:29:48 - 11:59:48 -5331

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 14DD143, (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
14DD143        11:58:54.0 -00:36:27 12.7       146
Positions are for J2000

Event circumstances last updated at 2019/02/22 20:29:53 UT

Marc W. Buie, Southwest Research Institute

RECON