RECON: TNO occultation with 15874

Event between (15874) 96TL66 and star GA0960:00698380 with event index number of 321219

Geocentric closest approach at 2019/09/11 09:48:39 UTC

J2000 position of star is 05:17:51.6 +07:09:17
Equinox of date position of star is 05:18:54.6 +07:10:27
Stellar brightness G=12.5, use SENSEUP=16
Star is 119 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=21.3

[RECON map]
TNO is 37.9 AU from the Sun and 37.9 AU from the Earth.
The TNO is moving 11.3 km/sec on the sky relative to the star, or, 1.5 arcsec/hr.
The 1-sigma error in the time of the event is 373 seconds.
The 1-sigma cross-track error in the shadow position is 4713 km.
The sky-plane scale is 27519.1 km/arcsec.

The TNO has an absolute magnitude Hv=5.3
Diameter=524.8 km assuming a 5% albedo -- 46.3 sec chord
Diameter=214.3 km assuming a 30% albedo -- 18.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 15874, (2019/09/11 09:49UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:14.3 +07:24:33  0.4  9.26 128
Bellatrix      05:26:11.3 +06:21:57  1.6  1.98 120
PPM 148951     05:27:42.5 +06:53:02  6.5  2.20 121
PPM 148714     05:18:42.7 +07:10:14  8.4  0.05 119
15874          05:18:55.4 +07:10:28 12.5       119
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 2.4 sigma about the mid-time.
The median site spacing is 20.8 km RECON observability=1.0 and success probability=8.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 09:40:02 -30.9 Dark Up 22.2 106.0 Low 09:25:02 - 09:55:02 -3181
Summerland 09:40:05 -31.3 Dark Up 22.1 105.7 Low 09:25:05 - 09:55:05 -3218
Penticton 09:40:06 -31.3 Dark Up 22.2 105.8 Low 09:25:06 - 09:55:06 -3223
Okanagan Falls 09:40:06 -31.4 Dark Up 22.3 105.7 Low 09:25:06 - 09:55:06 -3243
Oliver 09:40:03 -31.6 Dark Up 22.3 105.6 Low 09:25:03 - 09:55:03 -3260
Anarchist Mountain Observatory 09:40:03 -31.7 Dark Up 22.5 105.7 Low 09:25:03 - 09:55:03 -3274
Oroville 09:40:06 -31.7 Dark Up 22.5 105.6 Low 09:25:06 - 09:55:06 -3283
Tonasket 09:40:03 -31.9 Dark Up 22.5 105.5 Low 09:25:03 - 09:55:03 -3308
Okanogan 09:40:06 -32.3 Dark Up 22.5 105.3 Low 09:25:06 - 09:55:06 -3347
Brewster 09:40:08 -32.6 Dark Up 22.5 105.0 Low 09:25:08 - 09:55:08 -3380
Manson/Chelan 09:40:06 -32.9 Dark Up 22.3 104.6 Low 09:25:06 - 09:55:06 -3410
Entiat 09:40:06 -33.1 Dark Up 22.3 104.5 Low 09:25:06 - 09:55:06 -3434
Wenatchee 09:40:08 -33.3 Dark Up 22.3 104.3 Low 09:25:08 - 09:55:08 -3464
Ellensburg 09:40:06 -33.8 Dark Up 22.2 104.0 Low 09:25:06 - 09:55:06 -3512
Yakima 09:40:06 -34.1 Dark Up 22.3 103.8 Low 09:25:06 - 09:55:06 -3555
Pasco 09:40:12 -33.9 Dark Up 23.4 104.8 Low 09:25:12 - 09:55:12 -3557
Toppenish/White Swan 09:40:09 -34.3 Dark Up 22.5 103.8 Low 09:25:09 - 09:55:09 -3574
PNWRO 09:40:15 -34.0 Dark Up 23.6 104.9 Low 09:25:15 - 09:55:15 -3578
George/Umatilla 09:40:12 -34.3 Dark Up 23.3 104.5 Low 09:25:12 - 09:55:12 -3597
Goldendale 09:40:06 -34.9 Dark Up 22.3 103.3 Low 09:25:06 - 09:55:06 -3642
The Dalles 09:40:08 -35.2 Dark Up 22.1 102.9 Low 09:25:08 - 09:55:08 -3673
Niwot 09:41:13 -31.6 Dark Up 35.2 113.2 Up 09:26:13 - 09:56:13 -3710
Maupin 09:40:12 -35.5 Dark Up 22.3 102.8 Low 09:25:12 - 09:55:12 -3715
SwRI 09:41:14 -31.7 Dark Up 35.2 113.1 Up 09:26:14 - 09:56:14 -3724
Madras/Culver 09:40:13 -36.0 Dark Up 22.4 102.6 Low 09:25:13 - 09:55:13 -3773
Redmond 09:40:13 -36.3 Dark Up 22.5 102.4 Low 09:25:13 - 09:55:13 -3812
Sisters 09:40:11 -36.5 Dark Up 22.2 102.1 Low 09:25:11 - 09:55:11 -3819
Bend 09:40:13 -36.6 Dark Up 22.4 102.2 Low 09:25:13 - 09:55:13 -3838
Oregon Observatory 09:40:12 -36.8 Dark Up 22.3 102.0 Low 09:25:12 - 09:55:12 -3858
La Pine/Gilchrist 09:40:15 -37.0 Dark Up 22.4 101.9 Low 09:25:15 - 09:55:15 -3881
North Lake 09:40:16 -37.1 Dark Up 22.9 102.2 Low 09:25:16 - 09:55:16 -3913
Paisley 09:40:17 -37.4 Dark Up 23.3 102.2 Low 09:25:17 - 09:55:17 -3962
Chiloquin 09:40:13 -38.1 Dark Up 22.3 101.2 Low 09:25:13 - 09:55:13 -4005
Lakeview 09:40:22 -37.8 Dark Up 23.5 102.2 Low 09:25:22 - 09:55:22 -4010
Klamath Falls 09:40:20 -38.3 Dark Up 22.5 101.1 Low 09:25:20 - 09:55:20 -4039
Tulelake 09:40:19 -38.4 Dark Up 22.7 101.3 Low 09:25:19 - 09:55:19 -4060
Cedarville 09:40:24 -38.2 Dark Up 23.8 102.0 Low 09:25:24 - 09:55:24 -4073
Fall River/Burney 09:40:22 -39.2 Dark Up 23.0 100.9 Low 09:25:22 - 09:55:22 -4152
Susanville 09:40:26 -39.4 Dark Up 23.7 101.2 Low 09:25:26 - 09:55:26 -4199
Gimple 09:40:27 -39.7 Dark Up 23.6 101.0 Low 09:25:27 - 09:55:27 -4233
Greenville 09:40:27 -39.7 Dark Up 23.5 100.9 Low 09:25:27 - 09:55:27 -4235
Quincy 09:40:27 -39.9 Dark Up 23.5 100.8 Low 09:25:27 - 09:55:27 -4255
Portola 09:40:29 -39.8 Dark Up 23.9 101.1 Low 09:25:29 - 09:55:29 -4257
Reno 09:40:31 -39.7 Dark Up 24.5 101.4 Low 09:25:31 - 09:55:31 -4268
Carson City 09:40:35 -40.0 Dark Up 24.6 101.3 Low 09:25:35 - 09:55:35 -4303
Yerington 09:40:36 -39.9 Dark Up 25.1 101.7 Low 09:25:36 - 09:55:36 -4306
Gardnerville 09:40:33 -40.2 Dark Up 24.7 101.2 Low 09:25:33 - 09:55:33 -4327
Hawthorne 09:40:40 -40.0 Dark Up 25.6 101.8 Low 09:25:40 - 09:55:40 -4339
Tonopah 09:40:45 -39.7 Dark Up 26.8 102.6 Low 09:25:45 - 09:55:45 -4345
Lee Vining 09:40:41 -40.7 Dark Up 25.4 101.2 Low 09:25:41 - 09:55:41 -4409
Indian Springs 09:40:55 -40.0 Dark Up 28.4 103.0 Low 09:25:55 - 09:55:55 -4445
Beatty 09:40:49 -40.3 Dark Up 27.4 102.4 Low 09:25:49 - 09:55:49 -4447
Bishop 09:40:45 -40.8 Dark Up 26.1 101.5 Low 09:25:45 - 09:55:45 -4449
Henderson 09:41:01 -40.0 Dark Up 29.1 103.2 Low 09:26:01 - 09:56:01 -4474
Patrick 09:41:07 -39.8 Dark Up 30.1 103.6 Up 09:26:07 - 09:56:07 -4497
DCO 09:41:10 -39.7 Dark Up 30.8 104.0 Up 09:26:10 - 09:56:10 -4502
Lone Pine 09:40:48 -41.2 Dark Up 26.5 101.3 Low 09:25:48 - 09:55:48 -4515
Kingman/Dolan Springs 09:41:06 -40.1 Dark Up 30.0 103.4 Up 09:26:06 - 09:56:06 -4525
Searchlight/Boulder City 09:41:02 -40.4 Dark Up 29.2 102.9 Low 09:26:02 - 09:56:02 -4529
Laughlin/Bullhead City 09:41:05 -40.4 Dark Up 29.6 103.0 Low 09:26:05 - 09:56:05 -4545
Mohave Valley 09:41:06 -40.6 Dark Up 29.7 102.9 Low 09:26:06 - 09:56:06 -4572
Lake Havasu City 09:41:08 -40.8 Dark Up 30.0 102.8 Low 09:26:08 - 09:56:08 -4602
Parker 09:41:10 -41.0 Dark Up 30.1 102.6 Up 09:26:10 - 09:56:10 -4635
Blythe 09:41:12 -41.5 Dark Up 29.9 102.1 Low 09:26:12 - 09:56:12 -4696
CPSLO 09:40:45 -43.5 Dark Up 24.6 99.0 Low 09:25:45 - 09:55:45 -4717
Idyllwild 09:41:05 -42.7 Dark Up 28.2 100.8 Low 09:26:05 - 09:56:05 -4756
Calipatria 09:41:12 -42.4 Dark Up 29.3 101.3 Low 09:26:12 - 09:56:12 -4776
Wildwood 09:40:55 -43.4 Dark Up 26.5 99.8 Low 09:25:55 - 09:55:55 -4779
Yuma 09:41:13 -42.2 Dark Up 30.1 101.6 Up 09:26:13 - 09:56:13 -4786

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 15874, (2019/09/11 09:49UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  9.26 128
Bellatrix      05:25:07.8 +06:20:58  1.6  1.98 120
PPM 148951     05:26:38.8 +06:52:06  6.5  2.20 121
PPM 148714     05:17:38.9 +07:09:02  8.4  0.05 119
15874          05:17:51.6 +07:09:17 12.5       119
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:38:59 UT

Marc W. Buie, Southwest Research Institute

RECON