RECON: TNO occultation with 15KL174

Event between 15KL174 and star GA0780:04976526 with event index number of 1012350

Geocentric closest approach at 2019/06/05 05:14:12 UTC

J2000 position of star is 15:56:03.0 -11:39:37
Equinox of date position of star is 15:57:06.3 -11:42:54
Stellar brightness G=14.0, use SENSEUP=64
Star is 141 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=24.7

[RECON map]
TNO is 37.0 AU from the Sun and 36.0 AU from the Earth.
The TNO is moving 23.5 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 617 seconds.
The 1-sigma cross-track error in the shadow position is 2926 km.
The sky-plane scale is 26138.8 km/arcsec.

The TNO has an absolute magnitude Hv=9.0
Diameter=95.5 km assuming a 5% albedo -- 4.1 sec chord
Diameter=39.0 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 15KL174, (2019/06/05 05:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.1 -26:28:25  0.9 16.73 152
8Bet1Sco       16:06:34.2 -19:51:26  2.6  8.45 146
PPM 230856     15:52:43.7 -14:11:27  6.2  2.70 141
PPM 230922     15:55:17.9 -11:08:47  7.1  0.72 141
PPM 230991     15:58:05.7 -11:31:40  9.4  0.30 141
15KL174        15:57:07.3 -11:42:57 14.0       141
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 1.5 sigma about the mid-time.
The median site spacing is 17.4 km RECON observability=0.5 and success probability=2.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:16:19 -9.4 NT Up 24.4 151.9 Low 05:01:19 - 05:31:19 7473
Summerland 05:16:20 -9.3 NT Up 24.3 151.5 Low 05:01:20 - 05:31:20 7463
Penticton 05:16:20 -9.6 NT Up 24.6 151.7 Low 05:01:20 - 05:31:20 7447
Okanagan Falls 05:16:20 -9.8 NT Up 24.8 151.6 Low 05:01:20 - 05:31:20 7435
Oliver 05:16:20 -9.9 NT Up 24.9 151.6 Low 05:01:20 - 05:31:20 7425
Anarchist Mountain Observatory 05:16:20 -10.1 NT Up 25.2 151.7 Low 05:01:20 - 05:31:20 7418
Oroville 05:16:21 -10.2 NT Up 25.2 151.7 Low 05:01:21 - 05:31:21 7412
Tonasket 05:16:21 -10.4 NT Up 25.4 151.6 Low 05:01:21 - 05:31:21 7397
Okanogan 05:16:22 -10.6 NT Up 25.7 151.4 Low 05:01:22 - 05:31:22 7372
Brewster 05:16:22 -10.7 NT Up 25.8 151.1 Low 05:01:22 - 05:31:22 7351
Manson/Chelan 05:16:24 -10.7 NT Up 25.9 150.7 Low 05:01:24 - 05:31:24 7329
Entiat 05:16:24 -10.9 NT Up 26.1 150.6 Low 05:01:24 - 05:31:24 7313
Wenatchee 05:16:24 -11.0 NT Up 26.3 150.4 Low 05:01:24 - 05:31:24 7294
Ellensburg 05:16:25 -11.3 NT Up 26.5 150.1 Low 05:01:25 - 05:31:25 7262
Pasco 05:16:21 -12.4 AT Up 27.7 151.4 Low 05:01:21 - 05:31:21 7244
Yakima 05:16:25 -11.6 NT Up 26.9 150.0 Low 05:01:25 - 05:31:25 7235
PNWRO 05:16:21 -12.7 AT Down 28.0 151.5 Low 05:01:21 - 05:31:21 7233
Toppenish/White Swan 05:16:26 -11.8 NT Up 27.1 150.1 Low 05:01:26 - 05:31:26 7224
George/Umatilla 05:16:22 -12.6 AT Up 27.9 151.0 Low 05:01:22 - 05:31:22 7217
Goldendale 05:16:28 -12.1 AT Up 27.5 149.5 Low 05:01:28 - 05:31:28 7177
The Dalles 05:16:28 -12.1 AT Up 27.5 149.1 Low 05:01:28 - 05:31:28 7153
Niwot 05:15:42 -22.9 Dark Down 37.1 165.3 Up 05:00:42 - 05:30:42 7136
Maupin 05:16:29 -12.5 AT Up 27.9 149.1 Low 05:01:29 - 05:31:29 7127
SwRI 05:15:41 -23.0 Dark Down 37.1 165.2 Up 05:00:41 - 05:30:41 7126
Madras/Culver 05:16:29 -12.9 AT Up 28.4 148.9 Low 05:01:29 - 05:31:29 7088
Redmond 05:16:29 -13.1 AT Up 28.7 148.7 Low 05:01:29 - 05:31:29 7061
Sisters 05:16:30 -12.9 AT Up 28.5 148.3 Low 05:01:30 - 05:31:30 7054
Bend 05:16:31 -13.2 AT Up 28.8 148.5 Low 05:01:31 - 05:31:31 7043
Oregon Observatory 05:16:30 -13.3 AT Up 28.9 148.3 Low 05:01:30 - 05:31:30 7027
La Pine/Gilchrist 05:16:30 -13.4 AT Up 29.0 148.2 Low 05:01:30 - 05:31:30 7011
North Lake 05:16:30 -14.0 AT Down 29.6 148.7 Low 05:01:30 - 05:31:30 6995
Paisley 05:16:29 -14.6 AT Down 30.3 148.9 Up 05:01:29 - 05:31:29 6963
Lakeview 05:16:28 -15.1 AT Down 30.8 149.0 Up 05:01:28 - 05:31:28 6931
Chiloquin 05:16:33 -14.1 AT Down 29.9 147.5 Low 05:01:33 - 05:31:33 6922
Klamath Falls 05:16:33 -14.4 AT Down 30.2 147.5 Up 05:01:33 - 05:31:33 6899
Cedarville 05:16:28 -15.7 AT Down 31.4 148.9 Up 05:01:28 - 05:31:28 6887
Tulelake 05:16:32 -14.8 AT Down 30.5 147.7 Up 05:01:32 - 05:31:32 6887
Fall River/Burney 05:16:32 -15.5 AT Down 31.3 147.5 Up 05:01:32 - 05:31:32 6821
Susanville 05:16:31 -16.4 AT Down 32.2 148.1 Up 05:01:31 - 05:31:31 6792
Gimple 05:16:31 -16.5 AT Down 32.3 147.8 Up 05:01:31 - 05:31:31 6766
Greenville 05:16:32 -16.4 AT Down 32.3 147.7 Up 05:01:32 - 05:31:32 6764
Portola 05:16:30 -16.9 AT Down 32.7 148.1 Up 05:01:30 - 05:31:30 6751
Quincy 05:16:32 -16.6 AT Down 32.4 147.6 Up 05:01:32 - 05:31:32 6748
Reno 05:16:29 -17.4 AT Down 33.2 148.7 Up 05:01:29 - 05:31:29 6747
Yerington 05:16:27 -18.2 Dark Down 34.0 149.2 Up 05:01:27 - 05:31:27 6721
Carson City 05:16:29 -17.7 AT Down 33.5 148.6 Up 05:01:29 - 05:31:29 6720
Gardnerville 05:16:29 -17.9 AT Down 33.8 148.5 Up 05:01:29 - 05:31:29 6702
Hawthorne 05:16:27 -18.8 Dark Down 34.6 149.6 Up 05:01:27 - 05:31:27 6698
Tonopah 05:16:21 -19.8 Dark Down 35.5 151.0 Up 05:01:21 - 05:31:21 6698
Lee Vining 05:16:28 -19.0 Dark Down 34.9 148.9 Up 05:01:28 - 05:31:28 6642
Indian Springs 05:16:17 -21.7 Dark Down 37.4 152.2 Up 05:01:17 - 05:31:17 6621
Beatty 05:16:21 -21.0 Dark Down 36.7 151.1 Up 05:01:21 - 05:31:21 6619
Bishop 05:16:25 -19.8 Dark Down 35.7 149.4 Up 05:01:25 - 05:31:25 6614
Henderson 05:16:15 -22.5 Dark Down 38.1 152.7 Up 05:01:15 - 05:31:15 6596
Patrick 05:16:11 -23.5 Dark Down 39.1 153.8 Up 05:01:11 - 05:31:11 6575
DCO 05:16:09 -24.1 Dark Down 39.6 154.5 Up 05:01:09 - 05:31:09 6569
Lone Pine 05:16:25 -20.6 Dark Down 36.5 149.5 Up 05:01:25 - 05:31:25 6562
Kingman/Dolan Springs 05:16:13 -23.6 Dark Down 39.2 153.5 Up 05:01:13 - 05:31:13 6552
Searchlight/Boulder City 05:16:15 -23.0 Dark Down 38.7 152.6 Up 05:01:15 - 05:31:15 6552
Laughlin/Bullhead City 05:16:13 -23.4 Dark Down 39.1 152.9 Up 05:01:13 - 05:31:13 6537
Mohave Valley 05:16:13 -23.6 Dark Down 39.3 152.8 Up 05:01:13 - 05:31:13 6516
Lake Havasu City 05:16:13 -24.1 Dark Down 39.8 152.9 Up 05:01:13 - 05:31:13 6490
Parker 05:16:13 -24.4 Dark Down 40.1 152.8 Up 05:01:13 - 05:31:13 6462
Blythe 05:16:13 -24.7 Dark Down 40.4 152.3 Up 05:01:13 - 05:31:13 6411
CPSLO 05:16:33 -20.3 Dark Down 36.5 146.2 Up 05:01:33 - 05:31:33 6390
Idyllwild 05:16:21 -23.5 Dark Down 39.5 149.9 Up 05:01:21 - 05:31:21 6365
Calipatria 05:16:18 -24.6 Dark Down 40.5 151.0 Up 05:01:18 - 05:31:18 6346
Wildwood 05:16:28 -22.3 Dark Down 38.4 147.9 Up 05:01:28 - 05:31:28 6345
Yuma 05:16:14 -25.4 Dark Down 41.2 151.9 Up 05:01:14 - 05:31:14 6334

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 15KL174, (2019/06/05 05:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.73 152
8Bet1Sco       16:05:26.2 -19:48:20  2.6  8.45 146
PPM 230856     15:51:38.4 -14:08:01  6.2  2.70 141
PPM 230922     15:54:13.8 -11:05:25  7.1  0.72 141
PPM 230991     15:57:01.4 -11:28:21  9.4  0.30 141
15KL174        15:56:03.0 -11:39:37 14.0       141
Positions are for J2000

Event circumstances last updated at 2019/02/12 08:22:16 UT

Marc W. Buie, Southwest Research Institute

RECON