RECON: TNO occultation with 14KC102

Event between 14KC102 and star UC4-399-067095 with event index number of 199738

Geocentric closest approach at 2018/07/26 04:15:10 UTC

J2000 position of star is 17:18:10.0 -10:17:02
Equinox of date position of star is 17:19:09.4 -10:18:07
Stellar brightness R=15.0, use SENSEUP=128
Star is 28 degrees from the moon. Moon is 98% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 30.3 AU from the Sun and 29.6 AU from the Earth.
The TNO is moving 15.9 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 402 seconds.
The 1-sigma cross-track error in the shadow position is 3329 km.
The sky-plane scale is 21453.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 15.1 sec chord
Diameter=97.9 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14KC102, (2018/07/26 04:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.9 -26:28:18  0.9 19.83  36
35Eta Oph      17:11:26.7 -15:44:48  2.6  5.76  27
PPM 232685     17:10:49.6 -10:32:46  5.6  2.07  29
PPM 232903     17:19:41.9 -10:14:16  8.1  0.14  27
PPM 232886     17:18:58.7 -10:22:45  9.4  0.09  28
14KC102        17:19:11.5 -10:18:09 15.0        27
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 2.2 sigma about the mid-time.
The median site spacing is 21.1 km RECON observability=0.2 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)
Oroville 04:14:49 -4.8 CT Up 29.9 167.0 Low 03:59:49 - 04:29:49 11042
Tonasket 04:14:50 -4.9 CT Up 30.2 166.9 Up 03:59:50 - 04:29:50 11030
Okanogan 04:14:51 -5.0 CT Up 30.5 166.7 Up 03:59:51 - 04:29:51 11014
Brewster 04:14:53 -5.1 CT Up 30.7 166.5 Up 03:59:53 - 04:29:53 11002
Manson/Chelan 04:14:55 -5.0 CT Up 30.8 166.0 Up 03:59:55 - 04:29:55 10996
Entiat 04:14:53 -5.1 CT Up 31.0 165.9 Up 03:59:53 - 04:29:53 10985
Wenatchee 04:14:56 -5.2 CT Up 31.3 165.8 Up 03:59:56 - 04:29:56 10972
Ellensburg 04:14:57 -5.3 CT Up 31.6 165.5 Up 03:59:57 - 04:29:57 10953
Yakima 04:14:58 -5.6 CT Up 32.0 165.4 Up 03:59:58 - 04:29:58 10930
Toppenish/White Swan 04:14:59 -5.8 CT Up 32.3 165.6 Up 03:59:59 - 04:29:59 10916
Pasco 04:14:53 -6.6 CT Up 32.6 167.0 Up 03:59:53 - 04:29:53 10892
Goldendale 04:15:00 -5.9 CT Up 32.7 165.0 Up 04:00:00 - 04:30:00 10891
The Dalles 04:15:03 -5.8 CT Up 32.9 164.5 Up 04:00:03 - 04:30:03 10883
George/Umatilla 04:14:54 -6.6 CT Up 32.9 166.7 Up 03:59:54 - 04:29:54 10876
PNWRO 04:14:52 -6.8 CT Up 32.9 167.2 Up 03:59:52 - 04:29:52 10875
Maupin 04:15:04 -6.1 CT Up 33.3 164.6 Up 04:00:04 - 04:30:04 10857
Madras/Culver 04:15:05 -6.4 CT Up 33.8 164.5 Up 04:00:05 - 04:30:05 10826
Sisters 04:15:08 -6.4 CT Up 34.1 163.9 Up 04:00:08 - 04:30:08 10812
Redmond 04:15:06 -6.6 CT Up 34.2 164.3 Up 04:00:06 - 04:30:06 10805
Bend 04:15:08 -6.7 CT Up 34.3 164.1 Up 04:00:08 - 04:30:08 10795
Oregon Observatory 04:15:08 -6.7 CT Up 34.5 164.0 Up 04:00:08 - 04:30:08 10786
La Pine/Gilchrist 04:15:08 -6.8 CT Up 34.7 163.8 Up 04:00:08 - 04:30:08 10775
North Lake 04:15:07 -7.4 CT Up 35.2 164.5 Up 04:00:07 - 04:30:07 10740
Chiloquin 04:15:13 -7.2 CT Up 35.7 163.2 Up 04:00:13 - 04:30:13 10712
Paisley 04:15:05 -7.9 CT Up 35.8 164.8 Up 04:00:05 - 04:30:05 10701
Klamath Falls 04:15:13 -7.4 CT Up 36.0 163.3 Up 04:00:13 - 04:30:13 10689
Tulelake 04:15:12 -7.8 CT Up 36.3 163.6 Up 04:00:12 - 04:30:12 10668
Lakeview 04:15:05 -8.3 CT Up 36.3 164.9 Up 04:00:05 - 04:30:05 10666
Cedarville 04:15:07 -8.8 CT Up 37.0 165.0 Up 04:00:07 - 04:30:07 10622
Fall River/Burney 04:15:14 -8.4 CT Up 37.2 163.5 Up 04:00:14 - 04:30:14 10609
Susanville 04:15:11 -9.2 CT Up 38.0 164.2 Up 04:00:11 - 04:30:11 10557
Greenville 04:15:13 -9.1 CT Up 38.2 163.8 Up 04:00:13 - 04:30:13 10544
Gimple 04:15:12 -9.2 CT Up 38.2 163.9 Up 04:00:12 - 04:30:12 10542
Quincy 04:15:14 -9.3 CT Up 38.4 163.8 Up 04:00:14 - 04:30:14 10530
Portola 04:15:10 -9.6 CT Up 38.6 164.3 Up 04:00:10 - 04:30:10 10515
Reno 04:15:09 -10.2 CT Up 39.0 165.1 Up 04:00:09 - 04:30:09 10487
Carson City 04:15:10 -10.4 CT Up 39.3 165.0 Up 04:00:10 - 04:30:10 10463
Gardnerville 04:15:09 -10.6 CT Up 39.6 165.0 Up 04:00:09 - 04:30:09 10445
Yerington 04:15:06 -10.9 CT Up 39.6 165.7 Up 04:00:06 - 04:30:06 10440
Hawthorne 04:15:04 -11.5 CT Up 40.2 166.3 Up 04:00:04 - 04:30:04 10400
Lee Vining 04:15:07 -11.6 CT Up 40.7 165.6 Up 04:00:07 - 04:30:07 10368
Tonopah 04:14:58 -12.7 AT Up 40.9 168.0 Up 03:59:58 - 04:29:58 10345
Bishop 04:15:05 -12.4 AT Up 41.4 166.4 Up 04:00:05 - 04:30:05 10315
Niwot 04:13:53 -18.1 Dark Up 39.6 183.3 Up 03:58:53 - 04:28:53 10274
Lone Pine 04:15:04 -13.0 AT Up 42.2 166.6 Up 04:00:04 - 04:30:04 10256
Beatty 04:14:58 -13.7 AT Up 42.1 168.4 Up 03:59:58 - 04:29:58 10255
Indian Springs 04:14:53 -14.5 AT Up 42.6 169.7 Up 03:59:53 - 04:29:53 10214
CPSLO 04:15:20 -12.1 AT Up 42.9 163.0 Up 04:00:20 - 04:30:20 10203
Henderson 04:14:49 -15.3 AT Up 43.2 170.5 Up 03:59:49 - 04:29:49 10163
Searchlight/Boulder City 04:14:49 -15.7 AT Up 43.8 170.5 Up 03:59:49 - 04:29:49 10120
Patrick 04:14:44 -16.4 AT Up 44.0 171.9 Up 03:59:44 - 04:29:44 10097
Laughlin/Bullhead City 04:14:49 -16.1 AT Up 44.1 170.9 Up 03:59:49 - 04:29:49 10092
Kingman/Dolan Springs 04:14:46 -16.4 AT Up 44.2 171.6 Up 03:59:46 - 04:29:46 10084
Wildwood 04:15:13 -14.2 AT Up 44.5 165.4 Up 04:00:13 - 04:30:13 10080
Mohave Valley 04:14:49 -16.3 AT Up 44.4 170.9 Up 03:59:49 - 04:29:49 10071
DCO 04:14:40 -17.0 AT Up 44.3 172.8 Up 03:59:40 - 04:29:40 10061
Lake Havasu City 04:14:47 -16.7 AT Up 44.8 171.2 Up 03:59:47 - 04:29:47 10037
Idyllwild 04:15:02 -15.6 AT Up 45.2 167.8 Up 04:00:02 - 04:30:02 10021
Parker 04:14:49 -16.9 AT Up 45.2 171.2 Up 03:59:49 - 04:29:49 10009
Blythe 04:14:50 -17.1 AT Up 45.7 170.7 Up 03:59:50 - 04:29:50 9975
Calipatria 04:14:57 -16.8 AT Up 46.0 169.3 Up 03:59:57 - 04:29:57 9954
Yuma 04:14:53 -17.6 AT Up 46.6 170.5 Up 03:59:53 - 04:29:53 9904

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 14KC102, (2018/07/26 04:15UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.83  36
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.76  27
PPM 232685     17:09:48.0 -10:31:26  5.6  2.07  29
PPM 232903     17:18:40.4 -10:13:10  8.1  0.14  27
PPM 232886     17:17:57.2 -10:21:38  9.4  0.09  28
14KC102        17:18:10.0 -10:17:02 15.0        28
Positions are for J2000

Event circumstances last updated at 2017/12/05 18:49:44 UT

Marc W. Buie, Southwest Research Institute

RECON