RECON: TNO occultation with 14WP509

Event between 14WP509 and star GA1160:02627750 with event index number of 257766

Geocentric closest approach at 2020/04/29 05:31:06 UTC

J2000 position of star is 06:56:32.6 +27:49:02
Equinox of date position of star is 06:57:48.5 +27:47:22
Stellar brightness G=15.5, use SENSEUP=128
Star is 8 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=26.5

[RECON map]
TNO is 42.7 AU from the Sun and 43.2 AU from the Earth.
The TNO is moving 17.5 km/sec on the sky relative to the star, or, 2.0 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 1582 km.
The sky-plane scale is 31297.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=654.7 km assuming a 5% albedo -- 3.4 sec chord
Diameter=267.3 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14WP509, (2020/04/29 05:31UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:33.4 +27:58:32  1.1 10.77   6
39 Gem         07:00:02.5 +26:03:09  6.5  1.81   6
PPM 096902     07:02:40.6 +27:20:59  8.2  1.16   6
PPM 096790     06:58:22.2 +27:45:36  9.1  0.13   7
14WP509        06:57:49.0 +27:47:21 15.5         7
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 11.4 km RECON observability=0.9 and success probability=3.3%
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 05:34:05 -18.2 Dark Up 28.6 280.1 Low 05:19:05 - 05:49:05 -3644
Kelowna 05:34:07 -18.4 Dark Up 28.7 280.2 Low 05:19:07 - 05:49:07 -3670
Niwot 05:34:58 -32.0 Dark Up 16.0 293.1 Really Low 05:19:58 - 05:49:58 -3676
SwRI 05:35:00 -32.0 Dark Up 16.0 293.1 Really Low 05:20:00 - 05:50:00 -3686
Peachland 05:34:09 -18.4 Dark Up 28.8 280.0 Low 05:19:09 - 05:49:09 -3686
Penticton 05:34:09 -18.7 Dark Up 28.6 280.3 Low 05:19:09 - 05:49:09 -3691
Summerland 05:34:10 -18.6 Dark Up 28.7 280.2 Low 05:19:10 - 05:49:10 -3691
Oliver 05:34:11 -19.0 Dark Up 28.6 280.5 Low 05:19:11 - 05:49:11 -3710
Anarchist Mountain Observatory 05:34:13 -19.2 Dark Up 28.4 280.7 Low 05:19:13 - 05:49:13 -3712
Tonasket 05:34:14 -19.4 Dark Up 28.4 280.9 Low 05:19:14 - 05:49:14 -3732
Okanogan 05:34:16 -19.6 Dark Up 28.4 280.9 Low 05:19:16 - 05:49:16 -3756
Brewster 05:34:17 -19.8 Dark Up 28.5 280.9 Low 05:19:17 - 05:49:17 -3778
Manson/Chelan 05:34:18 -19.8 Dark Up 28.7 280.8 Low 05:19:18 - 05:49:18 -3803
Entiat 05:34:20 -19.9 Dark Up 28.7 280.9 Low 05:19:20 - 05:49:20 -3819
Wenatchee 05:34:21 -20.1 Dark Up 28.7 281.0 Low 05:19:21 - 05:49:21 -3837
Pasco 05:34:27 -21.5 Dark Up 27.7 282.4 Low 05:19:27 - 05:49:27 -3859
PNWRO 05:34:29 -21.8 Dark Up 27.4 282.7 Low 05:19:29 - 05:49:29 -3864
Ellensburg 05:34:23 -20.3 Dark Up 28.8 281.0 Low 05:19:23 - 05:49:23 -3869
Victoria 05:34:13 -17.9 AT Up 31.0 278.2 Up 05:19:13 - 05:49:13 -3887
Yakima 05:34:25 -20.7 Dark Up 28.7 281.3 Low 05:19:25 - 05:49:25 -3893
Toppenish/White Swan 05:34:26 -20.9 Dark Up 28.6 281.5 Low 05:19:26 - 05:49:26 -3900
Goldendale 05:34:30 -21.2 Dark Up 28.7 281.5 Low 05:19:30 - 05:49:30 -3948
The Dalles 05:34:29 -21.2 Dark Up 28.9 281.4 Low 05:19:29 - 05:49:29 -3976
Maupin 05:34:33 -21.6 Dark Up 28.8 281.7 Low 05:19:33 - 05:49:33 -3997
Redmond 05:34:37 -22.2 Dark Up 28.6 282.1 Low 05:19:37 - 05:49:37 -4056
Sisters 05:34:37 -22.0 Dark Up 28.9 281.9 Low 05:19:37 - 05:49:37 -4070
Bend 05:34:39 -22.3 Dark Up 28.7 282.2 Low 05:19:39 - 05:49:39 -4075
Oregon Observatory 05:34:38 -22.4 Dark Up 28.7 282.2 Low 05:19:38 - 05:49:38 -4091
La Pine/Gilchrist 05:34:40 -22.5 Dark Up 28.7 282.3 Low 05:19:40 - 05:49:40 -4106
North Lake 05:34:42 -23.2 Dark Up 28.2 282.9 Low 05:19:42 - 05:49:42 -4109
Paisley 05:34:44 -23.8 Dark Up 27.8 283.4 Low 05:19:44 - 05:49:44 -4130
Lakeview 05:34:47 -24.3 Dark Up 27.5 283.7 Low 05:19:47 - 05:49:47 -4154
Cedarville 05:34:52 -24.9 Dark Up 27.2 284.2 Low 05:19:52 - 05:49:52 -4189
Klamath Falls 05:34:46 -23.5 Dark Up 28.6 282.9 Low 05:19:46 - 05:49:46 -4210
Fall River/Burney 05:34:53 -24.7 Dark Up 28.0 283.7 Low 05:19:53 - 05:49:53 -4271
Susanville 05:34:57 -25.5 Dark Up 27.3 284.5 Low 05:19:57 - 05:49:57 -4282
Tonopah 05:35:10 -29.0 Dark Up 24.1 287.4 Low 05:20:10 - 05:50:10 -4293
Reno 05:35:01 -26.6 Dark Up 26.4 285.4 Low 05:20:01 - 05:50:01 -4305
Gimple 05:34:58 -25.6 Dark Up 27.4 284.5 Low 05:19:58 - 05:49:58 -4309
Greenville 05:34:57 -25.6 Dark Up 27.5 284.5 Low 05:19:57 - 05:49:57 -4313
Yerington 05:35:05 -27.4 Dark Up 25.8 286.0 Low 05:20:05 - 05:50:05 -4314
Portola 05:35:01 -26.1 Dark Up 27.0 284.9 Low 05:20:01 - 05:50:01 -4314
DCO 05:35:24 -33.3 Dark Up 20.0 290.6 Really Low 05:20:24 - 05:50:24 -4319
Hawthorne 05:35:07 -28.0 Dark Up 25.3 286.5 Low 05:20:07 - 05:50:07 -4323
Quincy 05:34:59 -25.7 Dark Up 27.4 284.6 Low 05:19:59 - 05:49:59 -4326
Carson City 05:35:04 -26.9 Dark Up 26.3 285.6 Low 05:20:04 - 05:50:04 -4328
Indian Springs 05:35:18 -31.0 Dark Up 22.4 288.8 Low 05:20:18 - 05:50:18 -4328
Patrick 05:35:23 -32.8 Dark Up 20.6 290.1 Low 05:20:23 - 05:50:23 -4329
Henderson 05:35:19 -31.7 Dark Up 21.7 289.4 Low 05:20:19 - 05:50:19 -4335
Gardnerville 05:35:05 -27.1 Dark Up 26.2 285.7 Low 05:20:05 - 05:50:05 -4342
Kingman/Dolan Springs 05:35:24 -32.9 Dark Up 20.7 290.1 Low 05:20:24 - 05:50:24 -4352
Beatty 05:35:16 -30.2 Dark Up 23.3 288.2 Low 05:20:16 - 05:50:16 -4353
George/Scottsdale 05:35:31 -35.1 Dark Up 18.4 291.6 Really Low 05:20:31 - 05:50:31 -4358
Searchlight/Boulder City 05:35:23 -32.2 Dark Up 21.4 289.6 Low 05:20:23 - 05:50:23 -4371
Laughlin/Bullhead City 05:35:25 -32.6 Dark Up 21.1 289.9 Low 05:20:25 - 05:50:25 -4377
Lee Vining 05:35:10 -28.2 Dark Up 25.5 286.5 Low 05:20:10 - 05:50:10 -4382
Bishop 05:35:13 -29.0 Dark Up 24.7 287.1 Low 05:20:13 - 05:50:13 -4392
Mohave Valley 05:35:25 -32.9 Dark Up 21.0 290.0 Low 05:20:25 - 05:50:25 -4396
Lake Havasu City 05:35:28 -33.3 Dark Up 20.6 290.3 Low 05:20:28 - 05:50:28 -4412
Parker 05:35:29 -33.6 Dark Up 20.5 290.4 Low 05:20:29 - 05:50:29 -4436
Blythe 05:35:31 -33.9 Dark Up 20.5 290.5 Low 05:20:31 - 05:50:31 -4486
Yuma 05:35:34 -34.6 Dark Up 20.2 290.8 Low 05:20:34 - 05:50:34 -4554
Calipatria 05:35:32 -33.8 Dark Up 21.1 290.2 Low 05:20:32 - 05:50:32 -4563
Idyllwild 05:35:31 -32.8 Dark Up 22.2 289.5 Low 05:20:31 - 05:50:31 -4572
Wildwood 05:35:27 -31.5 Dark Up 23.8 288.5 Low 05:20:27 - 05:50:27 -4632
CPSLO 05:35:21 -29.5 Dark Up 25.8 287.0 Low 05:20:21 - 05:50:21 -4637

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 14WP509, (2020/04/29 05:31UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +28:01:33  1.1 10.77   6
39 Gem         06:58:47.1 +26:04:53  6.5  1.81   6
PPM 096902     07:01:24.5 +27:22:48  8.2  1.16   6
PPM 096790     06:57:05.9 +27:47:17  9.1  0.13   7
14WP509        06:56:32.6 +27:49:02 15.5         7
Positions are for J2000

Event circumstances last updated at 2020/03/12 20:23:51 UT

Marc W. Buie, Southwest Research Institute

RECON