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 04:14:23 UTC

J2000 position of star is 17:18:10.0 -10:17:02
Equinox of date position of star is 17:19:08.3 -10:18:06
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 403 seconds.
The 1-sigma cross-track error in the shadow position is 3288 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 04:14UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.9 -26:28:18  0.9 19.83  36
35Eta Oph      17:11:26.6 -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 04:14:02 -4.7 CT Up 29.9 166.7 Low 03:59:02 - 04:29:02 10792
Tonasket 04:14:02 -4.8 CT Up 30.1 166.7 Up 03:59:02 - 04:29:02 10780
Okanogan 04:14:04 -4.9 CT Up 30.4 166.5 Up 03:59:04 - 04:29:04 10764
Brewster 04:14:05 -5.0 CT Up 30.7 166.2 Up 03:59:05 - 04:29:05 10752
Manson/Chelan 04:14:07 -4.9 CT Up 30.8 165.8 Up 03:59:07 - 04:29:07 10746
Entiat 04:14:07 -5.0 CT Up 31.0 165.7 Up 03:59:07 - 04:29:07 10735
Wenatchee 04:14:09 -5.1 CT Up 31.2 165.6 Up 03:59:09 - 04:29:09 10722
Ellensburg 04:14:11 -5.2 CT Up 31.6 165.3 Up 03:59:11 - 04:29:11 10703
Yakima 04:14:12 -5.5 CT Up 32.0 165.2 Up 03:59:12 - 04:29:12 10680
Toppenish/White Swan 04:14:11 -5.7 CT Up 32.2 165.3 Up 03:59:11 - 04:29:11 10666
Pasco 04:14:05 -6.5 CT Up 32.6 166.7 Up 03:59:05 - 04:29:05 10642
Goldendale 04:14:12 -5.8 CT Up 32.7 164.8 Up 03:59:12 - 04:29:12 10641
The Dalles 04:14:17 -5.7 CT Up 32.8 164.3 Up 03:59:17 - 04:29:17 10632
George/Umatilla 04:14:06 -6.5 CT Up 32.8 166.4 Up 03:59:06 - 04:29:06 10626
PNWRO 04:14:04 -6.7 CT Up 32.8 167.0 Up 03:59:04 - 04:29:04 10625
Maupin 04:14:17 -6.0 CT Up 33.3 164.4 Up 03:59:17 - 04:29:17 10607
Madras/Culver 04:14:17 -6.3 CT Up 33.8 164.2 Up 03:59:17 - 04:29:17 10576
Sisters 04:14:20 -6.2 CT Up 34.0 163.6 Up 03:59:20 - 04:29:20 10563
Redmond 04:14:18 -6.5 CT Up 34.1 164.1 Up 03:59:18 - 04:29:18 10556
Bend 04:14:20 -6.5 CT Up 34.3 163.9 Up 03:59:20 - 04:29:20 10545
Oregon Observatory 04:14:20 -6.6 CT Up 34.4 163.7 Up 03:59:20 - 04:29:20 10537
La Pine/Gilchrist 04:14:20 -6.6 CT Up 34.6 163.6 Up 03:59:20 - 04:29:20 10525
North Lake 04:14:18 -7.2 CT Up 35.2 164.2 Up 03:59:18 - 04:29:18 10490
Chiloquin 04:14:25 -7.1 CT Up 35.6 163.0 Up 03:59:25 - 04:29:25 10462
Paisley 04:14:17 -7.8 CT Up 35.8 164.5 Up 03:59:17 - 04:29:17 10451
Klamath Falls 04:14:26 -7.3 CT Up 36.0 163.0 Up 03:59:26 - 04:29:26 10440
Tulelake 04:14:24 -7.7 CT Up 36.3 163.3 Up 03:59:24 - 04:29:24 10418
Lakeview 04:14:19 -8.2 CT Up 36.3 164.7 Up 03:59:19 - 04:29:19 10417
Cedarville 04:14:19 -8.7 CT Up 37.0 164.8 Up 03:59:19 - 04:29:19 10373
Fall River/Burney 04:14:27 -8.2 CT Up 37.2 163.2 Up 03:59:27 - 04:29:27 10359
Susanville 04:14:23 -9.0 CT Up 37.9 164.0 Up 03:59:23 - 04:29:23 10308
Greenville 04:14:25 -9.0 CT Up 38.1 163.6 Up 03:59:25 - 04:29:25 10294
Gimple 04:14:25 -9.1 CT Up 38.2 163.7 Up 03:59:25 - 04:29:25 10292
Quincy 04:14:26 -9.1 CT Up 38.3 163.5 Up 03:59:26 - 04:29:26 10280
Portola 04:14:24 -9.5 CT Up 38.6 164.1 Up 03:59:24 - 04:29:24 10265
Reno 04:14:21 -10.1 CT Up 38.9 164.8 Up 03:59:21 - 04:29:21 10238
Carson City 04:14:21 -10.3 CT Up 39.3 164.8 Up 03:59:21 - 04:29:21 10213
Gardnerville 04:14:22 -10.5 CT Up 39.5 164.8 Up 03:59:22 - 04:29:22 10196
Yerington 04:14:18 -10.8 CT Up 39.6 165.5 Up 03:59:18 - 04:29:18 10190
Hawthorne 04:14:17 -11.4 CT Up 40.2 166.1 Up 03:59:17 - 04:29:17 10150
Lee Vining 04:14:20 -11.4 CT Up 40.6 165.3 Up 03:59:20 - 04:29:20 10119
Tonopah 04:14:10 -12.6 AT Up 40.9 167.7 Up 03:59:10 - 04:29:10 10095
Bishop 04:14:17 -12.2 AT Up 41.3 166.1 Up 03:59:17 - 04:29:17 10065
Niwot 04:13:07 -18.0 AT Up 39.6 183.0 Up 03:58:07 - 04:28:07 10025
Lone Pine 04:14:17 -12.9 AT Up 42.1 166.4 Up 03:59:17 - 04:29:17 10006
Beatty 04:14:10 -13.5 AT Up 42.1 168.1 Up 03:59:10 - 04:29:10 10005
Indian Springs 04:14:03 -14.4 AT Up 42.6 169.4 Up 03:59:03 - 04:29:03 9964
CPSLO 04:14:34 -12.0 CT Up 42.8 162.8 Up 03:59:34 - 04:29:34 9953
Henderson 04:14:02 -15.2 AT Up 43.2 170.3 Up 03:59:02 - 04:29:02 9913
Searchlight/Boulder City 04:14:02 -15.6 AT Up 43.8 170.3 Up 03:59:02 - 04:29:02 9870
Patrick 04:13:58 -16.3 AT Up 43.9 171.7 Up 03:58:58 - 04:28:58 9847
Laughlin/Bullhead City 04:14:01 -16.0 AT Up 44.1 170.7 Up 03:59:01 - 04:29:01 9841
Kingman/Dolan Springs 04:13:58 -16.3 AT Up 44.1 171.4 Up 03:58:58 - 04:28:58 9834
Wildwood 04:14:25 -14.1 AT Up 44.5 165.1 Up 03:59:25 - 04:29:25 9830
Mohave Valley 04:14:02 -16.2 AT Up 44.4 170.6 Up 03:59:02 - 04:29:02 9820
DCO 04:13:54 -16.9 AT Up 44.3 172.6 Up 03:58:54 - 04:28:54 9811
Lake Havasu City 04:14:02 -16.6 AT Up 44.8 170.9 Up 03:59:02 - 04:29:02 9786
Idyllwild 04:14:15 -15.5 AT Up 45.2 167.6 Up 03:59:15 - 04:29:15 9772
Parker 04:14:01 -16.8 AT Up 45.1 170.9 Up 03:59:01 - 04:29:01 9759
Blythe 04:14:04 -16.9 AT Up 45.6 170.4 Up 03:59:04 - 04:29:04 9724
Calipatria 04:14:09 -16.6 AT Up 46.0 169.0 Up 03:59:09 - 04:29:09 9703
Yuma 04:14:05 -17.5 AT Up 46.5 170.2 Up 03:59:05 - 04:29:05 9653

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 04:14UT)
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 2017/08/02 16:55:03 UT

Marc W. Buie, Southwest Research Institute

RECON