RECON: TNO occultation with 134340

Event between (134340) Pluto and star GA0660:37834893 with event index number of 203477

Geocentric closest approach at 2019/07/17 05:58:34 UTC

J2000 position of star is 19:33:27.7 -22:07:52
Equinox of date position of star is 19:34:37.2 -22:05:17
Stellar brightness G=15.6, use SENSEUP=128
Star is 7 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=14.4

[RECON map]
TNO is 33.8 AU from the Sun and 32.8 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 51 seconds.
The 1-sigma cross-track error in the shadow position is 1195 km.
The sky-plane scale is 23807.1 km/arcsec.

The TNO has an absolute magnitude Hv=-0.8
Diameter=8551.0 km assuming a 5% albedo -- 353.8 sec chord
Diameter=3490.9 km assuming a 30% albedo -- 144.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 134340, (2019/07/17 05:59UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.5 -26:28:25  0.9 41.95  49
Nunki          18:56:28.5 -26:16:15  2.0  9.65  16
50 Sgr         19:27:29.0 -21:44:11  5.6  1.69   8
PPM 269971     19:35:17.2 -22:03:39  8.4  0.16   7
134340         19:34:37.6 -22:05:16 15.6         6
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 11.6 km RECON observability=0.5 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:58:58 -13.7 AT Up 13.7 153.2 Really Low 05:54:16 - 06:03:41 11566
Summerland 05:59:00 -13.9 AT Up 13.9 152.9 Really Low 05:54:18 - 06:03:43 11558
Penticton 05:59:01 -14.0 AT Up 14.0 153.0 Really Low 05:54:18 - 06:03:43 11556
Okanagan Falls 05:59:00 -14.1 AT Up 14.2 153.0 Really Low 05:54:18 - 06:03:43 11551
Oliver 05:59:01 -14.3 AT Up 14.3 153.0 Really Low 05:54:18 - 06:03:43 11546
Anarchist Mountain Observatory 05:59:00 -14.5 AT Up 14.5 153.1 Really Low 05:54:18 - 06:03:43 11540
Oroville 05:59:01 -14.5 AT Up 14.6 153.0 Really Low 05:54:18 - 06:03:43 11538
Tonasket 05:59:01 -14.7 AT Up 14.8 153.0 Really Low 05:54:19 - 06:03:44 11531
Okanogan 05:59:02 -15.0 AT Up 15.1 152.8 Really Low 05:54:19 - 06:03:44 11521
Brewster 05:59:04 -15.1 AT Up 15.2 152.6 Really Low 05:54:22 - 06:03:47 11513
Manson/Chelan 05:59:05 -15.2 AT Up 15.3 152.3 Really Low 05:54:22 - 06:03:47 11507
Entiat 05:59:06 -15.4 AT Up 15.5 152.2 Really Low 05:54:24 - 06:03:49 11500
Wenatchee 05:59:06 -15.5 AT Up 15.7 152.1 Really Low 05:54:24 - 06:03:49 11492
Ellensburg 05:59:08 -15.8 AT Up 16.0 151.8 Really Low 05:54:25 - 06:03:50 11478
Yakima 05:59:09 -16.2 AT Up 16.3 151.7 Really Low 05:54:26 - 06:03:51 11464
Toppenish/White Swan 05:59:09 -16.4 AT Up 16.6 151.9 Really Low 05:54:26 - 06:03:51 11457
Pasco 05:59:05 -16.9 AT Up 17.1 153.0 Really Low 05:54:22 - 06:03:47 11450
PNWRO 05:59:04 -17.2 AT Up 17.4 153.2 Really Low 05:54:22 - 06:03:47 11441
George/Umatilla 05:59:07 -17.2 AT Up 17.3 152.8 Really Low 05:54:24 - 06:03:49 11439
Goldendale 05:59:11 -16.7 AT Up 16.9 151.4 Really Low 05:54:28 - 06:03:53 11437
The Dalles 05:59:12 -16.8 AT Up 17.0 151.1 Really Low 05:54:30 - 06:03:55 11430
Maupin 05:59:12 -17.2 AT Up 17.4 151.1 Really Low 05:54:30 - 06:03:55 11414
Madras/Culver 05:59:14 -17.6 AT Up 17.9 151.0 Really Low 05:54:31 - 06:03:56 11394
Sisters 05:59:16 -17.7 AT Up 18.0 150.5 Really Low 05:54:34 - 06:03:59 11381
Redmond 05:59:15 -17.9 AT Up 18.2 150.9 Really Low 05:54:33 - 06:03:58 11380
Bend 05:59:16 -18.0 Dark Up 18.3 150.7 Really Low 05:54:33 - 06:03:58 11372
Oregon Observatory 05:59:17 -18.1 Dark Up 18.4 150.6 Really Low 05:54:34 - 06:03:59 11365
La Pine/Gilchrist 05:59:17 -18.3 Dark Up 18.6 150.5 Really Low 05:54:35 - 06:04:00 11357
North Lake 05:59:16 -18.9 Dark Up 19.2 151.0 Really Low 05:54:34 - 06:03:59 11339
Paisley 05:59:17 -19.5 Dark Up 19.8 151.2 Really Low 05:54:35 - 06:04:00 11316
Chiloquin 05:59:21 -19.1 Dark Up 19.4 150.0 Really Low 05:54:38 - 06:04:03 11312
Klamath Falls 05:59:22 -19.4 Dark Up 19.7 150.0 Really Low 05:54:40 - 06:04:05 11298
Lakeview 05:59:17 -20.0 Dark Up 20.3 151.3 Low 05:54:35 - 06:04:00 11295
Tulelake 05:59:20 -19.8 Dark Up 20.1 150.2 Low 05:54:38 - 06:04:03 11286
Cedarville 05:59:17 -20.6 Dark Up 20.9 151.3 Low 05:54:35 - 06:04:00 11267
Fall River/Burney 05:59:22 -20.6 Dark Up 20.9 150.1 Low 05:54:39 - 06:04:04 11246
Susanville 05:59:21 -21.4 Dark Up 21.7 150.7 Low 05:54:38 - 06:04:03 11218
Greenville 05:59:22 -21.5 Dark Up 21.9 150.4 Low 05:54:40 - 06:04:05 11205
Gimple 05:59:22 -21.5 Dark Up 21.9 150.4 Low 05:54:40 - 06:04:05 11205
Quincy 05:59:24 -21.7 Dark Up 22.0 150.3 Low 05:54:41 - 06:04:06 11196
Portola 05:59:21 -22.0 Dark Up 22.3 150.7 Low 05:54:39 - 06:04:04 11189
Reno 05:59:20 -22.5 Dark Up 22.8 151.3 Low 05:54:38 - 06:04:03 11176
Carson City 05:59:21 -22.8 Dark Up 23.1 151.2 Low 05:54:38 - 06:04:03 11159
Yerington 05:59:19 -23.2 Dark Up 23.5 151.8 Low 05:54:36 - 06:04:01 11149
Gardnerville 05:59:21 -23.0 Dark Up 23.4 151.2 Low 05:54:39 - 06:04:04 11147
Hawthorne 05:59:18 -23.8 Dark Up 24.1 152.2 Low 05:54:36 - 06:04:01 11125
Niwot 05:58:29 -26.6 Dark Up 26.4 165.4 Low 05:53:47 - 06:03:12 11113
SwRI 05:58:29 -26.7 Dark Up 26.5 165.3 Low 05:53:47 - 06:03:12 11110
Lee Vining 05:59:21 -24.1 Dark Up 24.4 151.6 Low 05:54:39 - 06:04:04 11098
Tonopah 05:59:15 -24.8 Dark Up 25.0 153.4 Low 05:54:32 - 06:03:57 11098
Bishop 05:59:19 -24.9 Dark Up 25.2 152.1 Low 05:54:37 - 06:04:02 11066
Beatty 05:59:16 -26.0 Dark Up 26.2 153.6 Low 05:54:33 - 06:03:58 11038
Lone Pine 05:59:19 -25.7 Dark Up 26.0 152.3 Low 05:54:37 - 06:04:02 11026
Indian Springs 05:59:12 -26.7 Dark Up 26.9 154.5 Low 05:54:30 - 06:03:55 11016
Henderson 05:59:11 -27.4 Dark Up 27.6 155.1 Low 05:54:29 - 06:03:54 10985
CPSLO 05:59:31 -25.7 Dark Up 26.2 149.6 Low 05:54:48 - 06:04:13 10962
Searchlight/Boulder City 05:59:11 -27.9 Dark Up 28.2 155.0 Low 05:54:28 - 06:03:53 10954
Patrick 05:59:08 -28.4 Dark Up 28.6 156.0 Low 05:54:26 - 06:03:51 10945
Laughlin/Bullhead City 05:59:11 -28.3 Dark Up 28.6 155.3 Low 05:54:29 - 06:03:54 10936
Kingman/Dolan Springs 05:59:08 -28.5 Dark Up 28.7 155.8 Low 05:54:25 - 06:03:50 10934
DCO 05:59:06 -28.9 Dark Up 29.1 156.6 Low 05:54:23 - 06:03:48 10924
Mohave Valley 05:59:11 -28.6 Dark Up 28.8 155.2 Low 05:54:28 - 06:03:53 10921
Lake Havasu City 05:59:10 -29.0 Dark Up 29.3 155.4 Low 05:54:28 - 06:03:53 10897
Wildwood 05:59:26 -27.6 Dark Up 28.1 151.2 Low 05:54:43 - 06:04:08 10892
Parker 05:59:11 -29.3 Dark Up 29.6 155.3 Low 05:54:28 - 06:03:53 10877
Idyllwild 05:59:20 -28.7 Dark Up 29.1 152.9 Low 05:54:37 - 06:04:02 10865
Blythe 05:59:12 -29.7 Dark Up 30.0 154.9 Low 05:54:30 - 06:03:55 10849
Calipatria 05:59:17 -29.7 Dark Up 30.1 153.9 Up 05:54:35 - 06:04:00 10825
Yuma 05:59:14 -30.5 Dark Up 30.8 154.6 Up 05:54:32 - 06:03:57 10795

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 134340, (2019/07/17 05:59UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 41.95  49
Nunki          18:55:15.9 -26:17:49  2.0  9.65  16
50 Sgr         19:26:19.2 -21:46:36  5.6  1.69   8
PPM 269971     19:34:07.4 -22:06:16  8.4  0.16   7
134340         19:33:27.7 -22:07:52 15.6         7
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:25:37 UT

Marc W. Buie, Southwest Research Institute

RECON