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 10:41:07 UTC

J2000 position of star is 17:23:24.3 -15:18:52
Equinox of date position of star is 17:24:25.9 -15:19:48
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 4144 seconds.
The 1-sigma cross-track error in the shadow position is 5538 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 13.5 km RECON observability=0.3 and success probability=0.3%
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 12928
Oroville 10:42:15 -33.8 Dark Down 12.0 131.0 Really Low 10:27:15 - 10:57:15 12928
Entiat 10:42:15 -35.0 Dark Down 12.5 130.1 Really Low 10:27:15 - 10:57:15 12927
Wenatchee 10:42:15 -35.2 Dark Down 12.6 130.0 Really Low 10:27:15 - 10:57:15 12926
Tonasket 10:42:15 -33.9 Dark Down 12.2 131.0 Really Low 10:27:15 - 10:57:15 12926
Brewster 10:42:15 -34.5 Dark Down 12.4 130.6 Really Low 10:27:15 - 10:57:15 12925
Ellensburg 10:42:15 -35.6 Dark Down 12.7 129.7 Really Low 10:27:15 - 10:57:15 12925
Okanogan 10:42:15 -34.2 Dark Down 12.3 130.8 Really Low 10:27:15 - 10:57:15 12925
Yakima 10:41:17 -36.0 Dark Down 12.9 129.5 Really Low 10:26:17 - 10:56:17 12912
Toppenish/White Swan 10:41:16 -36.1 Dark Down 13.1 129.6 Really Low 10:26:16 - 10:56:16 12907
The Dalles 10:40:59 -37.0 Dark Down 13.1 128.7 Really Low 10:25:59 - 10:55:59 12905
Goldendale 10:41:06 -36.7 Dark Down 13.2 129.1 Really Low 10:26:06 - 10:56:06 12904
Maupin 10:40:56 -37.3 Dark Down 13.4 128.7 Really Low 10:25:56 - 10:55:56 12897
Pasco 10:42:15 -35.4 Dark Down 14.0 130.8 Really Low 10:27:15 - 10:57:15 12893
Madras/Culver 10:40:52 -37.7 Dark Down 13.7 128.6 Really Low 10:25:52 - 10:55:52 12888
Sisters 10:40:43 -38.2 Dark Down 13.7 128.1 Really Low 10:25:43 - 10:55:43 12888
PNWRO 10:42:15 -35.4 Dark Down 14.2 130.9 Really Low 10:27:15 - 10:57:15 12886
George/Umatilla 10:41:19 -35.8 Dark Down 13.9 130.4 Really Low 10:26:19 - 10:56:19 12885
Redmond 10:40:45 -37.9 Dark Down 13.9 128.4 Really Low 10:25:45 - 10:55:45 12882
Bend 10:40:47 -38.2 Dark Down 14.0 128.3 Really Low 10:25:47 - 10:55:47 12880
Oregon Observatory 10:40:50 -38.3 Dark Down 14.0 128.1 Really Low 10:25:50 - 10:55:50 12878
La Pine/Gilchrist 10:40:40 -38.5 Dark Down 14.1 128.0 Really Low 10:25:40 - 10:55:40 12875
North Lake 10:40:37 -38.5 Dark Down 14.7 128.4 Really Low 10:25:37 - 10:55:37 12858
Chiloquin 10:40:23 -39.5 Dark Down 14.5 127.5 Really Low 10:25:23 - 10:55:23 12856
Klamath Falls 10:40:20 -39.7 Dark Down 14.8 127.4 Really Low 10:25:20 - 10:55:20 12848
Paisley 10:40:34 -38.6 Dark Down 15.2 128.6 Really Low 10:25:34 - 10:55:34 12841
Tulelake 10:40:20 -39.7 Dark Down 15.1 127.6 Really Low 10:25:20 - 10:55:20 12837
Lakeview 10:40:30 -38.9 Dark Down 15.6 128.6 Really Low 10:25:30 - 10:55:30 12827
Fall River/Burney 10:40:12 -40.2 Dark Down 15.7 127.5 Really Low 10:25:12 - 10:55:12 12814
Cedarville 10:40:23 -39.2 Dark Down 16.1 128.6 Really Low 10:25:23 - 10:55:23 12809
Susanville 10:40:09 -40.2 Dark Down 16.5 127.9 Really Low 10:25:09 - 10:55:09 12788
Greenville 10:40:01 -40.6 Dark Down 16.5 127.6 Really Low 10:25:01 - 10:55:01 12785
Gimple 10:40:04 -40.5 Dark Down 16.5 127.6 Really Low 10:25:04 - 10:55:04 12784
Quincy 10:40:02 -40.7 Dark Down 16.6 127.5 Really Low 10:25:02 - 10:55:02 12779
Portola 10:40:08 -40.5 Dark Down 17.0 127.9 Really Low 10:25:08 - 10:55:08 12769
Reno 10:40:05 -40.2 Dark Down 17.5 128.3 Really Low 10:25:05 - 10:55:05 12752
Carson City 10:40:05 -40.4 Dark Down 17.8 128.3 Really Low 10:25:05 - 10:55:05 12741
Gardnerville 10:39:55 -40.6 Dark Down 17.9 128.2 Really Low 10:24:55 - 10:54:55 12734
Yerington 10:40:05 -40.1 Dark Down 18.3 128.7 Really Low 10:25:05 - 10:55:05 12726
Hawthorne 10:40:05 -40.1 Dark Down 18.9 129.0 Really Low 10:25:05 - 10:55:05 12703
Lee Vining 10:40:01 -40.7 Dark Down 18.9 128.5 Really Low 10:25:01 - 10:55:01 12694
Tonopah 10:40:12 -39.4 Dark Down 20.1 130.0 Low 10:25:12 - 10:55:12 12664
Bishop 10:40:01 -40.6 Dark Down 19.8 128.9 Really Low 10:25:01 - 10:55:01 12663
Lone Pine 10:39:54 -40.8 Dark Down 20.4 128.9 Low 10:24:54 - 10:54:54 12632
CPSLO 10:39:12 -43.4 Dark Down 19.4 126.4 Really Low 10:24:12 - 10:54:12 12631
Beatty 10:40:01 -39.8 Dark Down 21.1 130.0 Low 10:25:01 - 10:55:01 12618
Indian Springs 10:40:08 -39.2 Dark Down 22.0 130.8 Low 10:25:08 - 10:55:08 12586
Henderson 10:40:11 -38.9 Dark Down 22.7 131.2 Low 10:25:11 - 10:55:11 12553
Wildwood 10:39:20 -42.6 Dark Down 21.5 127.6 Low 10:24:20 - 10:54:20 12552
Searchlight/Boulder City 10:40:04 -39.2 Dark Down 23.1 131.1 Low 10:25:04 - 10:55:04 12532
Laughlin/Bullhead City 10:40:04 -39.1 Dark Down 23.5 131.3 Low 10:25:04 - 10:55:04 12514
Patrick 10:40:15 -38.4 Dark Down 23.8 131.9 Low 10:25:15 - 10:55:15 12507
Idyllwild 10:39:29 -41.4 Dark Down 23.0 129.0 Low 10:24:29 - 10:54:29 12504
Mohave Valley 10:40:01 -39.2 Dark Down 23.7 131.2 Low 10:25:01 - 10:55:01 12503
Kingman/Dolan Springs 10:40:08 -38.7 Dark Down 23.9 131.7 Low 10:25:08 - 10:55:08 12503
Lake Havasu City 10:40:01 -39.2 Dark Down 24.1 131.2 Low 10:25:01 - 10:55:01 12483
DCO 10:40:16 -38.1 Dark Down 24.5 132.4 Low 10:25:16 - 10:55:16 12480
Parker 10:39:57 -39.4 Dark Down 24.4 131.1 Low 10:24:57 - 10:54:57 12469
Calipatria 10:39:36 -40.8 Dark Down 24.2 129.7 Low 10:24:36 - 10:54:36 12455
Blythe 10:39:48 -39.9 Dark Down 24.5 130.7 Low 10:24:48 - 10:54:48 12455
Niwot 10:42:18 -29.8 Dark Down 25.4 141.5 Low 10:27:18 - 10:57:18 12446
Yuma 10:39:39 -40.4 Dark Down 25.1 130.3 Low 10:24:39 - 10:54:39 12418

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 2017/12/05 19:17:55 UT

Marc W. Buie, Southwest Research Institute

RECON