RECON: TNO occultation with 14KB102

Event between 14KB102 and star UC4-374-084275 with event index number of 185225

Geocentric closest approach at 2019/03/12 10:41:06 UTC

J2000 position of star is 17:23:24.3 -15:18:52
Equinox of date position of star is 17:24:24.0 -15:19:47
Stellar brightness R=15.1, use SENSEUP=128
Star is 156 degrees from the moon. Moon is 30% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 32.8 AU from the Sun and 32.8 AU from the Earth.
The TNO is moving 8.1 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 4145 seconds.
The 1-sigma cross-track error in the shadow position is 5528 km.
The sky-plane scale is 23759.5 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=253.5 km assuming a 5% albedo -- 31.2 sec chord
Diameter=103.5 km assuming a 30% albedo -- 12.7 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 14KB102, (2019/03/12 10:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.2 -26:28:23  0.9 16.79 165
35Eta Oph      17:11:28.8 -15:44:51  2.6  3.16 159
PPM 232892     17:19:25.7 -16:19:51  5.9  1.58 157
PPM 233011     17:24:42.5 -16:03:18  7.0  0.73 156
PPM 233034     17:26:04.5 -15:22:07  9.2  0.38 156
14KB102        17:24:30.3 -15:19:52 15.1       156
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 0.2 sigma about the mid-time.
The median site spacing is 13.4 km RECON observability=0.3 and success probability=0.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Manson/Chelan 10:42:15 -34.8 Dark Down 12.4 130.2 Really Low 10:27:15 - 10:57:15 12924
Oroville 10:42:15 -33.8 Dark Down 12.0 131.0 Really Low 10:27:15 - 10:57:15 12924
Entiat 10:42:15 -35.0 Dark Down 12.5 130.1 Really Low 10:27:15 - 10:57:15 12923
Wenatchee 10:42:15 -35.2 Dark Down 12.6 130.0 Really Low 10:27:15 - 10:57:15 12922
Tonasket 10:42:15 -33.9 Dark Down 12.2 131.0 Really Low 10:27:15 - 10:57:15 12922
Brewster 10:42:15 -34.5 Dark Down 12.4 130.6 Really Low 10:27:15 - 10:57:15 12921
Ellensburg 10:42:15 -35.6 Dark Down 12.7 129.7 Really Low 10:27:15 - 10:57:15 12921
Okanogan 10:42:15 -34.2 Dark Down 12.3 130.8 Really Low 10:27:15 - 10:57:15 12921
Yakima 10:42:15 -35.9 Dark Down 13.0 129.7 Really Low 10:27:15 - 10:57:15 12916
Toppenish/White Swan 10:41:18 -36.1 Dark Down 13.1 129.6 Really Low 10:26:18 - 10:56:18 12903
The Dalles 10:40:59 -37.0 Dark Down 13.1 128.7 Really Low 10:25:59 - 10:55:59 12901
Goldendale 10:41:10 -36.7 Dark Down 13.2 129.1 Really Low 10:26:10 - 10:56:10 12900
Maupin 10:41:01 -37.3 Dark Down 13.4 128.7 Really Low 10:26:01 - 10:56:01 12893
Pasco 10:42:15 -35.4 Dark Down 14.0 130.8 Really Low 10:27:15 - 10:57:15 12888
George/Umatilla 10:42:15 -35.7 Dark Down 14.1 130.5 Really Low 10:27:15 - 10:57:15 12888
Sisters 10:40:49 -38.1 Dark Down 13.7 128.1 Really Low 10:25:49 - 10:55:49 12885
Madras/Culver 10:40:54 -37.7 Dark Down 13.7 128.6 Really Low 10:25:54 - 10:55:54 12884
PNWRO 10:42:15 -35.4 Dark Down 14.2 130.9 Really Low 10:27:15 - 10:57:15 12882
Redmond 10:40:50 -37.9 Dark Down 13.9 128.4 Really Low 10:25:50 - 10:55:50 12879
Bend 10:40:48 -38.2 Dark Down 14.0 128.3 Really Low 10:25:48 - 10:55:48 12877
Oregon Observatory 10:40:45 -38.3 Dark Down 14.0 128.1 Really Low 10:25:45 - 10:55:45 12875
La Pine/Gilchrist 10:40:43 -38.5 Dark Down 14.1 128.0 Really Low 10:25:43 - 10:55:43 12872
North Lake 10:40:42 -38.5 Dark Down 14.7 128.4 Really Low 10:25:42 - 10:55:42 12855
Chiloquin 10:40:27 -39.5 Dark Down 14.5 127.5 Really Low 10:25:27 - 10:55:27 12853
Klamath Falls 10:40:25 -39.7 Dark Down 14.8 127.5 Really Low 10:25:25 - 10:55:25 12845
Paisley 10:40:38 -38.6 Dark Down 15.2 128.6 Really Low 10:25:38 - 10:55:38 12838
Tulelake 10:40:24 -39.7 Dark Down 15.1 127.6 Really Low 10:25:24 - 10:55:24 12834
Lakeview 10:40:34 -38.9 Dark Down 15.7 128.6 Really Low 10:25:34 - 10:55:34 12824
Fall River/Burney 10:40:12 -40.2 Dark Down 15.7 127.5 Really Low 10:25:12 - 10:55:12 12811
Cedarville 10:40:27 -39.2 Dark Down 16.1 128.6 Really Low 10:25:27 - 10:55:27 12806
Susanville 10:40:11 -40.2 Dark Down 16.5 127.9 Really Low 10:25:11 - 10:55:11 12785
Greenville 10:40:08 -40.5 Dark Down 16.5 127.6 Really Low 10:25:08 - 10:55:08 12781
Gimple 10:40:08 -40.5 Dark Down 16.5 127.7 Really Low 10:25:08 - 10:55:08 12780
Quincy 10:40:04 -40.7 Dark Down 16.6 127.5 Really Low 10:25:04 - 10:55:04 12776
Portola 10:40:07 -40.5 Dark Down 17.0 127.9 Really Low 10:25:07 - 10:55:07 12766
Reno 10:40:08 -40.2 Dark Down 17.5 128.3 Really Low 10:25:08 - 10:55:08 12748
Carson City 10:40:03 -40.4 Dark Down 17.8 128.2 Really Low 10:25:03 - 10:55:03 12738
Gardnerville 10:40:03 -40.6 Dark Down 18.0 128.2 Really Low 10:25:03 - 10:55:03 12730
Yerington 10:40:08 -40.1 Dark Down 18.3 128.7 Really Low 10:25:08 - 10:55:08 12722
Hawthorne 10:40:07 -40.1 Dark Down 18.9 129.0 Really Low 10:25:07 - 10:55:07 12699
Lee Vining 10:40:01 -40.7 Dark Down 18.9 128.5 Really Low 10:25:01 - 10:55:01 12691
Tonopah 10:40:11 -39.4 Dark Down 20.1 130.0 Low 10:25:11 - 10:55:11 12660
Bishop 10:39:56 -40.6 Dark Down 19.7 128.8 Really Low 10:24:56 - 10:54:56 12659
Lone Pine 10:39:54 -40.8 Dark Down 20.4 128.9 Low 10:24:54 - 10:54:54 12628
CPSLO 10:39:19 -43.4 Dark Down 19.5 126.4 Really Low 10:24:19 - 10:54:19 12626
Beatty 10:40:08 -39.7 Dark Down 21.1 130.0 Low 10:25:08 - 10:55:08 12613
Indian Springs 10:40:08 -39.2 Dark Down 22.0 130.8 Low 10:25:08 - 10:55:08 12581
Henderson 10:40:12 -38.9 Dark Down 22.7 131.2 Low 10:25:12 - 10:55:12 12548
Wildwood 10:39:19 -42.6 Dark Down 21.5 127.6 Low 10:24:19 - 10:54:19 12548
Searchlight/Boulder City 10:40:01 -39.2 Dark Down 23.1 131.1 Low 10:25:01 - 10:55:01 12526
Laughlin/Bullhead City 10:40:08 -39.1 Dark Down 23.6 131.3 Low 10:25:08 - 10:55:08 12507
Patrick 10:40:14 -38.4 Dark Down 23.8 131.9 Low 10:25:14 - 10:55:14 12501
Idyllwild 10:39:36 -41.4 Dark Down 23.0 129.0 Low 10:24:36 - 10:54:36 12499
Kingman/Dolan Springs 10:40:08 -38.7 Dark Down 23.9 131.7 Low 10:25:08 - 10:55:08 12497
Mohave Valley 10:40:08 -39.2 Dark Down 23.7 131.2 Low 10:25:08 - 10:55:08 12497
Lake Havasu City 10:40:01 -39.2 Dark Down 24.1 131.2 Low 10:25:01 - 10:55:01 12477
DCO 10:40:21 -38.0 Dark Down 24.5 132.5 Low 10:25:21 - 10:55:21 12474
Parker 10:39:58 -39.4 Dark Down 24.4 131.1 Low 10:24:58 - 10:54:58 12462
Calipatria 10:39:38 -40.8 Dark Down 24.2 129.7 Low 10:24:38 - 10:54:38 12449
Blythe 10:39:50 -39.9 Dark Down 24.5 130.7 Low 10:24:50 - 10:54:50 12448
Niwot 10:42:17 -29.8 Dark Down 25.4 141.5 Low 10:27:17 - 10:57:17 12439
Yuma 10:39:47 -40.3 Dark Down 25.1 130.3 Low 10:24:47 - 10:54:47 12412

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 14KB102, (2019/03/12 10:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.79 165
35Eta Oph      17:10:22.7 -15:43:29  2.6  3.16 159
PPM 232892     17:18:19.3 -16:18:42  5.9  1.58 157
PPM 233011     17:23:36.2 -16:02:18  7.0  0.73 156
PPM 233034     17:24:58.5 -15:21:10  9.2  0.38 156
14KB102        17:23:24.3 -15:18:52 15.1       156
Positions are for J2000

Event circumstances last updated at 2017/05/20 18:12:03 UT

Marc W. Buie, Southwest Research Institute

RECON