RECON: TNO occultation with 14WC509

Event between 14WC509 and star GA1140:02862899 with event index number of 1800471

Geocentric closest approach at 2020/11/17 10:01:10 UTC

J2000 position of star is 07:31:48.2 +24:14:08
Equinox of date position of star is 07:33:03.2 +24:11:25
Stellar brightness G=14.2, use SENSEUP=64
Star is 155 degrees from the moon. Moon is 7% illuminated.
TNO apparent brightness V=25.2

[RECON map]
TNO is 32.4 AU from the Sun and 31.8 AU from the Earth.
The TNO is moving 11.9 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 139 seconds.
The 1-sigma cross-track error in the shadow position is 1335 km.
The sky-plane scale is 23093.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=229.1 km assuming a 5% albedo -- 5.1 sec chord
Diameter=93.5 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WC509, (2020/11/17 10:01UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:35.5 +27:58:27  1.1  4.85 152
PPM 097796     07:40:27.5 +24:10:24  6.0  1.69 153
PPM 097620     07:32:54.8 +23:57:16  8.3  0.24 155
PPM 097607     07:32:23.2 +24:04:33 11.0  0.19 155
14WC509        07:33:04.0 +24:11:24 14.2       155
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 5.0 sigma about the mid-time.
The median site spacing is 23.7 km RECON observability=1.0 and success probability=3.2%
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 10:04:14 -48.1 Dark Down 57.9 135.1 Up 09:52:08 - 10:16:21 -3424
Kelowna 10:04:14 -48.4 Dark Down 58.1 134.5 Up 09:52:08 - 10:16:21 -3464
Peachland 10:04:16 -48.6 Dark Down 58.0 133.9 Up 09:52:10 - 10:16:23 -3475
Summerland 10:04:16 -48.6 Dark Down 58.2 133.9 Up 09:52:10 - 10:16:23 -3490
Penticton 10:04:15 -48.6 Dark Down 58.3 134.0 Up 09:52:09 - 10:16:22 -3497
Oliver 10:04:15 -48.8 Dark Down 58.5 133.5 Up 09:52:09 - 10:16:22 -3533
Anarchist Mountain Observatory 10:04:15 -48.8 Dark Down 58.7 133.6 Up 09:52:08 - 10:16:21 -3550
Tonasket 10:04:16 -49.0 Dark Down 58.9 133.2 Up 09:52:09 - 10:16:22 -3582
Victoria 10:04:38 -51.2 Dark Down 57.1 127.3 Up 09:52:31 - 10:16:44 -3593
Okanogan 10:04:17 -49.3 Dark Down 59.1 132.5 Up 09:52:10 - 10:16:23 -3617
Brewster 10:04:20 -49.5 Dark Down 59.2 131.9 Up 09:52:13 - 10:16:26 -3644
Manson/Chelan 10:04:21 -49.8 Dark Down 59.1 131.1 Up 09:52:15 - 10:16:28 -3665
Entiat 10:04:22 -50.0 Dark Down 59.2 130.7 Up 09:52:15 - 10:16:28 -3688
Wenatchee 10:04:23 -50.2 Dark Down 59.4 130.3 Up 09:52:16 - 10:16:29 -3714
Ellensburg 10:04:24 -50.5 Dark Down 59.5 129.4 Up 09:52:18 - 10:16:31 -3757
Yakima 10:04:25 -50.8 Dark Down 59.8 128.8 Up 09:52:19 - 10:16:32 -3799
Toppenish/White Swan 10:04:25 -50.8 Dark Down 60.0 128.8 Up 09:52:18 - 10:16:31 -3822
Pasco 10:04:16 -50.1 Dark Down 60.7 130.5 Up 09:52:10 - 10:16:23 -3836
PNWRO 10:04:17 -50.1 Dark Down 61.0 130.5 Up 09:52:10 - 10:16:23 -3862
Goldendale 10:04:28 -51.3 Dark Down 60.1 127.4 Up 09:52:21 - 10:16:34 -3879
The Dalles 10:04:31 -51.7 Dark Down 60.0 126.6 Up 09:52:25 - 10:16:38 -3902
Maupin 10:04:30 -51.8 Dark Down 60.3 126.2 Up 09:52:24 - 10:16:37 -3946
Sisters 10:04:35 -52.6 Dark Down 60.6 124.2 Up 09:52:29 - 10:16:42 -4037
Redmond 10:04:32 -52.3 Dark Down 60.8 124.7 Up 09:52:26 - 10:16:39 -4040
Bend 10:04:33 -52.5 Dark Down 60.9 124.2 Up 09:52:27 - 10:16:40 -4063
Oregon Observatory 10:04:34 -52.7 Dark Down 60.9 123.8 Up 09:52:28 - 10:16:41 -4081
La Pine/Gilchrist 10:04:35 -52.8 Dark Down 61.0 123.4 Up 09:52:28 - 10:16:41 -4102
North Lake 10:04:32 -52.7 Dark Down 61.6 123.6 Up 09:52:26 - 10:16:39 -4150
Paisley 10:04:31 -52.7 Dark Down 62.1 123.2 Up 09:52:25 - 10:16:38 -4209
Klamath Falls 10:04:39 -53.7 Dark Down 61.6 120.8 Up 09:52:32 - 10:16:45 -4256
Lakeview 10:04:30 -52.8 Dark Down 62.5 122.7 Up 09:52:24 - 10:16:37 -4263
Cedarville 10:04:29 -53.0 Dark Down 62.9 121.9 Up 09:52:23 - 10:16:36 -4334
Fall River/Burney 10:04:37 -54.0 Dark Down 62.4 119.4 Up 09:52:31 - 10:16:44 -4383
Niwot 10:02:52 -43.0 Dark Down 71.9 147.9 Up 09:50:46 - 10:14:59 -4439
SwRI 10:02:52 -43.1 Dark Down 71.9 147.4 Up 09:50:45 - 10:14:58 -4451
Susanville 10:04:36 -53.8 Dark Down 63.2 119.3 Up 09:52:29 - 10:16:42 -4452
Greenville 10:04:36 -54.1 Dark Down 63.1 118.5 Up 09:52:29 - 10:16:42 -4482
Gimple 10:04:36 -54.1 Dark Down 63.2 118.6 Up 09:52:29 - 10:16:42 -4482
Quincy 10:04:37 -54.2 Dark Down 63.2 118.1 Up 09:52:31 - 10:16:44 -4503
Portola 10:04:34 -54.0 Dark Down 63.6 118.5 Up 09:52:27 - 10:16:40 -4518
Reno 10:04:30 -53.6 Dark Down 64.2 118.9 Up 09:52:24 - 10:16:37 -4547
Carson City 10:04:30 -53.7 Dark Down 64.4 118.3 Up 09:52:23 - 10:16:36 -4586
Yerington 10:04:26 -53.4 Dark Down 64.9 118.8 Up 09:52:20 - 10:16:33 -4608
Gardnerville 10:04:29 -53.8 Dark Down 64.5 117.9 Up 09:52:23 - 10:16:36 -4613
Hawthorne 10:04:22 -53.2 Dark Down 65.4 118.7 Up 09:52:16 - 10:16:29 -4659
Tonopah 10:04:13 -52.3 Dark Down 66.6 119.8 Up 09:52:06 - 10:16:19 -4709
Lee Vining 10:04:27 -53.7 Dark Down 65.4 116.9 Up 09:52:20 - 10:16:33 -4720
Bishop 10:04:22 -53.4 Dark Down 66.2 116.7 Up 09:52:16 - 10:16:29 -4785
Beatty 10:04:11 -52.4 Dark Down 67.5 118.1 Up 09:52:05 - 10:16:18 -4835
Indian Springs 10:04:03 -51.7 Dark Down 68.4 119.0 Up 09:51:57 - 10:16:10 -4870
Henderson 10:04:00 -51.3 Dark Down 69.1 118.9 Up 09:51:53 - 10:16:06 -4927
Searchlight/Boulder City 10:03:59 -51.4 Dark Down 69.4 117.7 Up 09:51:52 - 10:16:05 -4990
Patrick 10:03:52 -50.6 Dark Down 70.2 119.2 Up 09:51:45 - 10:15:58 -4993
CPSLO 10:04:39 -55.8 Dark Down 65.3 109.7 Up 09:52:32 - 10:16:45 -5007
Kingman/Dolan Springs 10:03:52 -50.8 Dark Down 70.2 118.3 Up 09:51:46 - 10:15:59 -5018
Laughlin/Bullhead City 10:03:57 -51.2 Dark Down 69.8 117.5 Up 09:51:50 - 10:16:03 -5022
DCO 10:03:46 -50.1 Dark Down 70.8 119.6 Up 09:51:40 - 10:15:53 -5025
Mohave Valley 10:03:56 -51.2 Dark Down 69.9 116.8 Up 09:51:49 - 10:16:02 -5052
Lake Havasu City 10:03:55 -51.1 Dark Down 70.3 116.2 Up 09:51:49 - 10:16:02 -5095
Parker 10:03:55 -51.2 Dark Down 70.5 115.4 Up 09:51:48 - 10:16:01 -5134
Wildwood 10:04:26 -54.6 Dark Down 67.3 109.5 Up 09:52:20 - 10:16:33 -5143
George/Scottsdale 10:03:38 -49.3 Dark Down 72.4 118.2 Up 09:51:32 - 10:15:45 -5173
Idyllwild 10:04:12 -53.2 Dark Down 68.8 111.0 Up 09:52:05 - 10:16:18 -5182
Blythe 10:03:58 -51.5 Dark Down 70.5 113.6 Up 09:51:51 - 10:16:04 -5192
Calipatria 10:04:05 -52.4 Dark Down 70.0 111.0 Up 09:51:58 - 10:16:11 -5248
Yuma 10:03:57 -51.7 Dark Down 70.8 111.1 Up 09:51:50 - 10:16:03 -5294

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 14WC509, (2020/11/17 10:01UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1  4.85 152
PPM 097796     07:39:12.0 +24:13:21  6.0  1.69 153
PPM 097620     07:31:39.2 +24:00:00  8.3  0.24 155
PPM 097607     07:31:07.5 +24:07:16 11.0  0.19 155
14WC509        07:31:48.2 +24:14:08 14.2       155
Positions are for J2000

Event circumstances last updated at 2020/09/01 21:21:22 UT

Marc W. Buie, Southwest Research Institute

RECON