RECON: TNO occultation with 13KZ18

Event between 13KZ18 and star UC4-563-138952 with event index number of 357398

Geocentric closest approach at 2019/07/01 06:30:34 UTC

J2000 position of star is 23:14:22.9 +22:27:16
Equinox of date position of star is 23:15:18.7 +22:33:26
Stellar brightness R=16.4, use SENSEUP=128
Star is 82 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 19.1 AU from the Sun and 19.0 AU from the Earth.
The TNO is moving 15.8 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is 1097 km.
The sky-plane scale is 13751.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.9
Diameter=97.7 km assuming a 5% albedo -- 6.2 sec chord
Diameter=39.9 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 13KZ18, (2019/07/01 06:31UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:05.8 +45:21:03  1.3 38.54  99
Scheat         23:04:43.3 +28:11:20  2.4  6.12  82
62Tau Peg      23:21:36.3 +23:50:50  4.6  1.93  80
PPM 115262     23:14:15.6 +22:11:24  8.3  0.45  82
PPM 115277     23:15:14.2 +22:25:44 11.5  0.13  82
13KZ18         23:15:20.7 +22:33:39 16.4        82
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 0.0 km RECON observability=0.0 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 06:36:21 -14.6 AT Down 17.1 75.2 Really Low 06:29:15 - 06:43:28 -5964
Summerland 06:36:21 -14.5 AT Down 16.8 74.9 Really Low 06:29:15 - 06:43:28 -5965
Penticton 06:36:22 -14.9 AT Down 16.9 75.0 Really Low 06:29:15 - 06:43:28 -5999
Okanagan Falls 06:36:20 -15.1 AT Down 16.8 74.9 Really Low 06:29:14 - 06:43:27 -6018
Oliver 06:36:20 -15.2 AT Down 16.8 74.9 Really Low 06:29:14 - 06:43:27 -6034
Anarchist Mountain Observatory 06:36:22 -15.4 AT Down 16.9 74.9 Really Low 06:29:15 - 06:43:28 -6053
Oroville 06:36:19 -15.5 AT Down 16.8 74.9 Really Low 06:29:12 - 06:43:25 -6060
Tonasket 06:36:19 -15.7 AT Down 16.7 74.8 Really Low 06:29:13 - 06:43:26 -6083
Okanogan 06:36:17 -16.0 AT Down 16.5 74.6 Really Low 06:29:11 - 06:43:24 -6115
Brewster 06:36:17 -16.2 AT Down 16.3 74.4 Really Low 06:29:10 - 06:43:23 -6140
Manson/Chelan 06:36:17 -16.3 AT Down 16.0 74.1 Really Low 06:29:11 - 06:43:24 -6158
Entiat 06:36:18 -16.5 AT Down 15.9 74.0 Really Low 06:29:12 - 06:43:25 -6179
Wenatchee 06:36:16 -16.7 AT Down 15.8 73.8 Really Low 06:29:10 - 06:43:23 -6203
Ellensburg 06:36:15 -17.0 AT Down 15.5 73.5 Really Low 06:29:09 - 06:43:22 -6241
Yakima 06:36:14 -17.4 AT Down 15.4 73.4 Really Low 06:29:08 - 06:43:21 -6281
Toppenish/White Swan 06:36:15 -17.6 AT Down 15.5 73.5 Really Low 06:29:08 - 06:43:21 -6304
Pasco 06:36:12 -18.1 Dark Down 16.3 74.3 Really Low 06:29:05 - 06:43:18 -6327
Goldendale 06:36:15 -18.0 Dark Down 15.0 73.1 Really Low 06:29:08 - 06:43:21 -6353
PNWRO 06:36:10 -18.3 Dark Down 16.3 74.4 Really Low 06:29:04 - 06:43:17 -6353
George/Umatilla 06:36:10 -18.3 Dark Down 16.0 74.1 Really Low 06:29:04 - 06:43:17 -6358
The Dalles 06:36:13 -18.2 Dark Down 14.7 72.8 Really Low 06:29:06 - 06:43:19 -6371
Maupin 06:36:12 -18.6 Dark Down 14.6 72.7 Really Low 06:29:06 - 06:43:19 -6412
Madras/Culver 06:36:10 -19.1 Dark Down 14.4 72.5 Really Low 06:29:03 - 06:43:16 -6464
Sisters 06:36:10 -19.2 Dark Down 14.0 72.2 Really Low 06:29:03 - 06:43:16 -6491
Redmond 06:36:09 -19.4 Dark Down 14.3 72.4 Really Low 06:29:03 - 06:43:16 -6498
Bend 06:36:09 -19.5 Dark Down 14.1 72.3 Really Low 06:29:02 - 06:43:15 -6517
Oregon Observatory 06:36:08 -19.7 Dark Down 14.0 72.2 Really Low 06:29:02 - 06:43:15 -6531
La Pine/Gilchrist 06:36:10 -19.8 Dark Down 13.9 72.1 Really Low 06:29:03 - 06:43:16 -6550
North Lake 06:36:06 -20.4 Dark Down 14.2 72.3 Really Low 06:28:59 - 06:43:12 -6598
Chiloquin 06:36:05 -20.7 Dark Down 13.3 71.6 Really Low 06:28:59 - 06:43:12 -6650
Paisley 06:36:03 -21.0 Dark Down 14.2 72.4 Really Low 06:28:56 - 06:43:09 -6654
Klamath Falls 06:36:04 -21.1 Dark Down 13.2 71.6 Really Low 06:28:57 - 06:43:10 -6683
Lakeview 06:36:02 -21.5 Dark Down 14.2 72.4 Really Low 06:28:55 - 06:43:08 -6704
Tulelake 06:36:04 -21.4 Dark Down 13.4 71.7 Really Low 06:28:58 - 06:43:11 -6712
Cedarville 06:35:58 -22.2 Dark Down 14.1 72.4 Really Low 06:28:52 - 06:43:05 -6767
Fall River/Burney 06:36:00 -22.3 Dark Down 13.1 71.5 Really Low 06:28:53 - 06:43:06 -6797
Susanville 06:35:56 -23.1 Dark Down 13.4 71.8 Really Low 06:28:50 - 06:43:03 -6864
Greenville 06:35:55 -23.2 Dark Down 13.1 71.6 Really Low 06:28:48 - 06:43:01 -6885
Gimple 06:35:55 -23.3 Dark Down 13.2 71.6 Really Low 06:28:49 - 06:43:02 -6887
Niwot 06:35:26 -26.4 Dark Down 24.7 80.7 Low 06:28:19 - 06:42:32 -6904
Quincy 06:35:55 -23.4 Dark Down 13.1 71.5 Really Low 06:28:49 - 06:43:02 -6904
Portola 06:35:55 -23.7 Dark Down 13.4 71.8 Really Low 06:28:49 - 06:43:02 -6921
Reno 06:35:52 -24.1 Dark Down 13.8 72.1 Really Low 06:28:45 - 06:42:58 -6952
Carson City 06:35:51 -24.4 Dark Down 13.7 72.0 Really Low 06:28:45 - 06:42:58 -6985
Gardnerville 06:35:49 -24.7 Dark Down 13.6 72.0 Really Low 06:28:42 - 06:42:55 -7008
Yerington 06:35:48 -24.8 Dark Down 14.1 72.3 Really Low 06:28:42 - 06:42:55 -7009
Hawthorne 06:35:45 -25.4 Dark Down 14.3 72.5 Really Low 06:28:39 - 06:42:52 -7056
Lee Vining 06:35:45 -25.8 Dark Down 13.8 72.1 Really Low 06:28:38 - 06:42:51 -7101
Tonopah 06:35:43 -26.2 Dark Down 15.2 73.2 Really Low 06:28:37 - 06:42:50 -7109
Bishop 06:35:43 -26.5 Dark Down 14.1 72.3 Really Low 06:28:37 - 06:42:50 -7161
Beatty 06:35:38 -27.4 Dark Down 15.2 73.1 Really Low 06:28:31 - 06:42:44 -7214
Lone Pine 06:35:38 -27.3 Dark Down 14.1 72.3 Really Low 06:28:31 - 06:42:44 -7231
Indian Springs 06:35:33 -28.0 Dark Down 16.0 73.6 Really Low 06:28:26 - 06:42:39 -7250
Henderson 06:35:29 -28.7 Dark Down 16.3 73.8 Really Low 06:28:23 - 06:42:36 -7299
CPSLO 06:35:38 -27.7 Dark Down 11.7 70.7 Really Low 06:28:32 - 06:42:45 -7316
Searchlight/Boulder City 06:35:26 -29.2 Dark Down 16.2 73.7 Really Low 06:28:19 - 06:42:32 -7349
Patrick 06:35:24 -29.5 Dark Down 17.0 74.2 Really Low 06:28:17 - 06:42:30 -7357
Kingman/Dolan Springs 06:35:22 -29.7 Dark Down 16.8 74.0 Really Low 06:28:16 - 06:42:29 -7376
Laughlin/Bullhead City 06:35:25 -29.6 Dark Down 16.4 73.8 Really Low 06:28:18 - 06:42:31 -7376
DCO 06:35:23 -30.0 Dark Down 17.5 74.4 Really Low 06:28:16 - 06:42:29 -7385
Mohave Valley 06:35:22 -29.9 Dark Down 16.3 73.7 Really Low 06:28:16 - 06:42:29 -7400
Lake Havasu City 06:35:24 -30.3 Dark Down 16.4 73.7 Really Low 06:28:17 - 06:42:30 -7435
Wildwood 06:35:29 -29.5 Dark Down 12.9 71.5 Really Low 06:28:23 - 06:42:36 -7442
Parker 06:35:19 -30.7 Dark Down 16.3 73.6 Really Low 06:28:12 - 06:42:25 -7465
Idyllwild 06:35:22 -30.4 Dark Down 14.3 72.3 Really Low 06:28:16 - 06:42:29 -7487
Blythe 06:35:19 -31.1 Dark Down 15.9 73.3 Really Low 06:28:13 - 06:42:26 -7508
Calipatria 06:35:20 -31.3 Dark Down 15.0 72.7 Really Low 06:28:14 - 06:42:27 -7545
Yuma 06:35:15 -31.9 Dark Down 15.6 73.0 Really Low 06:28:09 - 06:42:22 -7585

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 13KZ18, (2019/07/01 06:31UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 38.54  99
Scheat         23:03:46.7 +28:05:01  2.4  6.12  82
62Tau Peg      23:20:38.3 +23:44:25  4.6  1.93  80
PPM 115262     23:13:17.8 +22:05:01  8.3  0.45  82
PPM 115277     23:14:16.3 +22:19:21 11.5  0.13  82
13KZ18         23:14:22.9 +22:27:16 16.4        82
Positions are for J2000

Event circumstances last updated at 2018/10/24 21:42:50 UT

Marc W. Buie, Southwest Research Institute

RECON