RECON: TNO occultation with 523713

Event between (523713) 14JX80 and star GA0920:04855741 with event index number of 307375

Geocentric closest approach at 2019/06/04 04:17:56 UTC

J2000 position of star is 17:11:37.3 +03:21:41
Equinox of date position of star is 17:12:35.5 +03:20:21
Stellar brightness G=16.4, use SENSEUP=128
Star is 155 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=21.8

[RECON map]
TNO is 36.1 AU from the Sun and 35.1 AU from the Earth.
The TNO is moving 23.8 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 69 seconds.
The 1-sigma cross-track error in the shadow position is 1312 km.
The sky-plane scale is 25490.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 14.6 sec chord
Diameter=141.6 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is 5:2EEE+5:2EII
 
 
 
 
 
 

Star training set for 523713, (2019/06/04 04:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.1 -26:28:24  0.9 31.49 165
60Bet Oph      17:44:26.0 +04:33:38  2.8  8.03 154
PPM 163749     17:17:30.9 +01:11:25  5.9  2.48 157
PPM 163559     17:08:28.7 +03:56:57  8.4  1.19 154
PPM 163666     17:13:37.0 +03:25:23  9.8  0.27 155
523713         17:12:35.5 +03:20:21 16.4       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 35.5 km RECON observability=0.2 and success probability=16.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 04:21:00 -3.5 CT Up 21.7 111.9 Low 04:14:47 - 04:27:12 832
Summerland 04:21:00 -3.6 CT Up 21.6 111.6 Low 04:14:48 - 04:27:13 806
Penticton 04:21:00 -3.7 CT Up 21.7 111.7 Low 04:14:48 - 04:27:13 800
Okanagan Falls 04:21:01 -3.8 CT Up 21.8 111.6 Low 04:14:48 - 04:27:13 784
Oliver 04:21:01 -3.9 CT Up 21.8 111.5 Low 04:14:49 - 04:27:14 769
Anarchist Mountain Observatory 04:21:01 -4.1 CT Up 22.0 111.6 Low 04:14:49 - 04:27:14 755
Oroville 04:21:02 -4.1 CT Up 22.0 111.5 Low 04:14:49 - 04:27:14 748
Tonasket 04:21:02 -4.3 CT Up 22.1 111.5 Low 04:14:50 - 04:27:15 728
Okanogan 04:21:03 -4.4 CT Up 22.1 111.2 Low 04:14:51 - 04:27:16 698
Brewster 04:21:04 -4.5 CT Up 22.1 110.9 Low 04:14:52 - 04:27:17 673
Manson/Chelan 04:21:05 -4.5 CT Up 21.9 110.6 Low 04:14:53 - 04:27:18 654
Entiat 04:21:06 -4.6 CT Up 22.0 110.4 Low 04:14:53 - 04:27:18 634
Wenatchee 04:21:07 -4.7 CT Up 22.0 110.2 Low 04:14:54 - 04:27:19 611
Ellensburg 04:21:08 -4.9 CT Down 22.0 109.9 Low 04:14:55 - 04:27:20 573
Yakima 04:21:09 -5.1 CT Down 22.1 109.7 Low 04:14:56 - 04:27:21 536
Toppenish/White Swan 04:21:09 -5.3 CT Down 22.3 109.8 Low 04:14:57 - 04:27:22 517
Pasco 04:21:07 -6.1 NT Down 23.2 110.8 Low 04:14:55 - 04:27:20 510
PNWRO 04:21:08 -6.4 NT Down 23.4 110.9 Low 04:14:55 - 04:27:20 489
George/Umatilla 04:21:08 -6.2 NT Down 23.2 110.5 Low 04:14:56 - 04:27:21 479
Goldendale 04:21:11 -5.5 CT Down 22.2 109.2 Low 04:14:59 - 04:27:24 466
The Dalles 04:21:12 -5.4 CT Down 22.1 108.9 Low 04:15:00 - 04:27:25 444
Maupin 04:21:13 -5.8 CT Down 22.3 108.8 Low 04:15:00 - 04:27:25 406
Madras/Culver 04:21:14 -6.1 NT Down 22.4 108.5 Low 04:15:02 - 04:27:27 356
Sisters 04:21:16 -6.1 NT Down 22.2 108.1 Low 04:15:03 - 04:27:28 323
Redmond 04:21:15 -6.3 NT Down 22.5 108.4 Low 04:15:02 - 04:27:27 322
Bend 04:21:16 -6.4 NT Down 22.5 108.2 Low 04:15:03 - 04:27:28 302
Oregon Observatory 04:21:16 -6.4 NT Down 22.4 108.0 Low 04:15:04 - 04:27:29 285
La Pine/Gilchrist 04:21:17 -6.5 NT Down 22.5 107.9 Low 04:15:04 - 04:27:29 266
North Lake 04:21:17 -7.1 NT Down 23.0 108.2 Low 04:15:04 - 04:27:29 227
Paisley 04:21:17 -7.7 NT Down 23.4 108.2 Low 04:15:05 - 04:27:30 176
Chiloquin 04:21:20 -7.0 NT Down 22.6 107.2 Low 04:15:07 - 04:27:32 161
Lakeview 04:21:18 -8.1 NT Down 23.7 108.2 Low 04:15:06 - 04:27:31 129
Klamath Falls 04:21:20 -7.3 NT Down 22.7 107.1 Low 04:15:08 - 04:27:33 128
Tulelake 04:21:20 -7.6 NT Down 23.0 107.2 Low 04:15:08 - 04:27:33 104
Cedarville 04:21:19 -8.6 NT Down 24.1 108.0 Low 04:15:07 - 04:27:32 67
Fall River/Burney 04:21:22 -8.3 NT Down 23.3 106.9 Low 04:15:10 - 04:27:35 17
Niwot 04:20:50 -17.5 AT Down 34.9 119.7 Up 04:14:38 - 04:27:03 13
SwRI 04:20:50 -17.5 AT Down 34.9 119.5 Up 04:14:38 - 04:27:03 3
Susanville 04:21:22 -9.1 NT Down 24.1 107.2 Low 04:15:10 - 04:27:35 -42
Gimple 04:21:23 -9.2 NT Down 24.0 106.9 Low 04:15:10 - 04:27:35 -69
Greenville 04:21:23 -9.1 NT Down 23.9 106.9 Low 04:15:11 - 04:27:36 -69
Quincy 04:21:23 -9.2 NT Down 24.0 106.8 Low 04:15:11 - 04:27:36 -89
Portola 04:21:23 -9.6 NT Down 24.4 107.1 Low 04:15:10 - 04:27:35 -99
Reno 04:21:22 -10.2 NT Down 24.9 107.5 Low 04:15:10 - 04:27:35 -123
Carson City 04:21:23 -10.4 NT Down 25.1 107.3 Low 04:15:10 - 04:27:35 -158
Yerington 04:21:22 -10.9 NT Down 25.6 107.7 Low 04:15:10 - 04:27:35 -175
Gardnerville 04:21:23 -10.6 NT Down 25.2 107.2 Low 04:15:11 - 04:27:36 -182
Hawthorne 04:21:22 -11.5 NT Down 26.1 107.9 Low 04:15:09 - 04:27:34 -218
Tonopah 04:21:20 -12.7 AT Down 27.3 108.7 Low 04:15:08 - 04:27:33 -258
Lee Vining 04:21:24 -11.6 NT Down 25.9 107.3 Low 04:15:11 - 04:27:36 -276
Bishop 04:21:23 -12.4 AT Down 26.7 107.5 Low 04:15:11 - 04:27:36 -332
Beatty 04:21:21 -13.7 AT Down 28.0 108.5 Low 04:15:09 - 04:27:34 -371
Indian Springs 04:21:19 -14.6 AT Down 29.0 109.1 Low 04:15:07 - 04:27:32 -398
Lone Pine 04:21:24 -13.1 AT Down 27.1 107.4 Low 04:15:12 - 04:27:37 -406
Henderson 04:21:19 -15.3 AT Down 29.7 109.3 Low 04:15:06 - 04:27:31 -448
Patrick 04:21:17 -16.4 AT Down 30.7 109.8 Up 04:15:05 - 04:27:30 -505
Searchlight/Boulder City 04:21:19 -15.8 AT Down 29.9 109.1 Low 04:15:07 - 04:27:32 -505
Kingman/Dolan Springs 04:21:18 -16.5 AT Down 30.7 109.5 Up 04:15:05 - 04:27:30 -528
DCO 04:21:16 -17.0 AT Down 31.4 110.2 Up 04:15:04 - 04:27:29 -532
Laughlin/Bullhead City 04:21:19 -16.2 AT Down 30.3 109.2 Up 04:15:07 - 04:27:32 -533
CPSLO 04:21:31 -12.4 AT Down 25.5 105.0 Low 04:15:18 - 04:27:43 -547
Mohave Valley 04:21:19 -16.4 AT Down 30.4 109.0 Up 04:15:07 - 04:27:32 -561
Lake Havasu City 04:21:19 -16.8 AT Down 30.7 109.0 Up 04:15:07 - 04:27:32 -600
Parker 04:21:20 -17.0 AT Down 30.8 108.8 Up 04:15:07 - 04:27:32 -635
Wildwood 04:21:29 -14.4 AT Down 27.5 105.8 Low 04:15:16 - 04:27:41 -662
Idyllwild 04:21:26 -15.9 AT Down 29.0 106.9 Low 04:15:13 - 04:27:38 -690
Blythe 04:21:21 -17.2 AT Down 30.8 108.3 Up 04:15:09 - 04:27:34 -691
Calipatria 04:21:24 -17.0 AT Down 30.2 107.4 Up 04:15:11 - 04:27:36 -746
Yuma 04:21:23 -17.8 AT Down 31.0 107.7 Up 04:15:10 - 04:27:35 -785

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 523713, (2019/06/04 04:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 31.49 165
60Bet Oph      17:43:28.3 +04:34:05  2.8  8.03 154
PPM 163749     17:16:31.7 +01:12:38  5.9  2.48 157
PPM 163559     17:07:30.7 +03:58:24  8.4  1.19 154
PPM 163666     17:12:38.8 +03:26:42  9.8  0.27 155
523713         17:11:37.3 +03:21:41 16.4       155
Positions are for J2000

Event circumstances last updated at 2019/05/31 22:24:13 UT

Marc W. Buie, Southwest Research Institute

RECON