RECON: TNO occultation with 136120

Event between (136120) 03LG7 and star UC4-382-087760 with event index number of 80190

Geocentric closest approach at 2017/06/02 09:52:53 UTC

J2000 position of star is 17:41:20.9 -13:46:15
Equinox of date position of star is 17:42:20.0 -13:46:43
Stellar brightness R=15.8, use SENSEUP=128
Star is 93 degrees from the moon. Moon is 59% illuminated.
TNO apparent brightness V=23.5

[RECON map]
TNO is 36.0 AU from the Sun and 35.0 AU from the Earth.
The TNO is moving 23.2 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 383 seconds.
The 1-sigma cross-track error in the shadow position is 3675 km.
The sky-plane scale is 25384.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 6.8 sec chord
Diameter=64.7 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 3:1EE
 
 
 
 
 
 

Star training set for 136120, (2017/06/02 09:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:28.7 -26:28:09  0.9 21.06  77
35Eta Oph      17:11:22.7 -15:44:43  2.6  7.74  85
56Omi Ser      17:42:23.7 -12:52:59  4.4  0.90  92
PPM 233476     17:43:04.6 -13:56:51  8.3  0.25  93
PPM 233459     17:42:31.1 -13:53:56  9.9  0.13  93
136120         17:42:20.2 -13:46:43 15.8        93
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 2.3 sigma about the mid-time.
The median site spacing is 14.8 km RECON observability=1.0 and success probability=7.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 09:52:47 -14.2 AT Down 26.0 195.7 Low 09:37:47 - 10:07:47 1043
Tonasket 09:52:47 -14.4 AT Down 26.2 195.7 Low 09:37:47 - 10:07:47 1032
Okanogan 09:52:47 -14.7 AT Down 26.6 195.6 Low 09:37:47 - 10:07:47 1014
Brewster 09:52:47 -15.0 AT Down 26.9 195.4 Low 09:37:47 - 10:07:47 1000
Manson/Chelan 09:52:48 -15.3 AT Down 27.1 195.1 Low 09:37:48 - 10:07:48 987
Entiat 09:52:48 -15.6 AT Down 27.4 195.0 Low 09:37:48 - 10:07:48 975
Wenatchee 09:52:48 -15.8 AT Down 27.6 194.9 Low 09:37:48 - 10:07:48 962
Ellensburg 09:52:48 -16.3 AT Down 28.1 194.8 Low 09:37:48 - 10:07:48 939
Yakima 09:52:48 -16.6 AT Down 28.5 194.8 Low 09:37:48 - 10:07:48 918
Pasco 09:52:43 -16.5 AT Down 28.5 196.4 Low 09:37:43 - 10:07:43 911
Toppenish/White Swan 09:52:47 -16.8 AT Down 28.6 195.0 Low 09:37:47 - 10:07:47 908
PNWRO 09:52:42 -16.6 AT Down 28.7 196.7 Low 09:37:42 - 10:07:42 900
George/Umatilla 09:52:43 -16.8 AT Down 28.9 196.2 Low 09:37:43 - 10:07:43 892
Goldendale 09:52:48 -17.4 AT Down 29.2 194.6 Low 09:37:48 - 10:07:48 876
The Dalles 09:52:48 -17.7 AT Down 29.5 194.2 Low 09:37:48 - 10:07:48 861
Maupin 09:52:48 -18.0 Dark Down 29.9 194.4 Low 09:37:48 - 10:07:48 839
Madras/Culver 09:52:47 -18.5 Dark Down 30.5 194.5 Up 09:37:47 - 10:07:47 809
Redmond 09:52:47 -18.9 Dark Down 30.8 194.4 Up 09:37:47 - 10:07:47 789
Sisters 09:52:48 -19.0 Dark Down 30.9 194.0 Up 09:37:48 - 10:07:48 787
Bend 09:52:47 -19.1 Dark Down 31.0 194.3 Up 09:37:47 - 10:07:47 776
Oregon Observatory 09:52:47 -19.3 Dark Down 31.2 194.2 Up 09:37:47 - 10:07:47 765
La Pine/Gilchrist 09:52:47 -19.5 Dark Down 31.4 194.2 Up 09:37:47 - 10:07:47 753
North Lake 09:52:45 -19.7 Dark Down 31.8 194.9 Up 09:37:45 - 10:07:45 733
Paisley 09:52:43 -20.1 Dark Down 32.2 195.4 Up 09:37:43 - 10:07:43 704
Chiloquin 09:52:47 -20.6 Dark Down 32.6 193.9 Up 09:37:47 - 10:07:47 686
Lakeview 09:52:42 -20.5 Dark Down 32.7 195.7 Up 09:37:42 - 10:07:42 676
Klamath Falls 09:52:47 -20.9 Dark Down 32.9 194.1 Up 09:37:47 - 10:07:47 666
Tulelake 09:52:46 -21.1 Dark Down 33.1 194.5 Up 09:37:46 - 10:07:46 653
Cedarville 09:52:41 -21.0 Dark Down 33.3 196.0 Up 09:37:41 - 10:07:41 638
Niwot 09:51:48 -15.8 AT Down 30.0 212.4 Low 09:36:48 - 10:06:48 630
Fall River/Burney 09:52:45 -21.8 Dark Down 34.0 194.7 Up 09:37:45 - 10:07:45 599
Susanville 09:52:41 -22.1 Dark Down 34.4 195.6 Up 09:37:41 - 10:07:41 566
Gimple 09:52:41 -22.5 Dark Down 34.7 195.5 Up 09:37:41 - 10:07:41 547
Greenville 09:52:42 -22.5 Dark Down 34.8 195.4 Up 09:37:42 - 10:07:42 547
Quincy 09:52:41 -22.7 Dark Down 35.0 195.4 Up 09:37:41 - 10:07:41 534
Portola 09:52:40 -22.6 Dark Down 35.0 196.0 Up 09:37:40 - 10:07:40 530
Reno 09:52:37 -22.6 Dark Down 35.1 196.8 Up 09:37:37 - 10:07:37 518
Carson City 09:52:37 -22.9 Dark Down 35.4 196.9 Up 09:37:37 - 10:07:37 496
Yerington 09:52:34 -22.8 Dark Down 35.5 197.6 Up 09:37:34 - 10:07:34 488
Gardnerville 09:52:36 -23.1 Dark Down 35.7 197.0 Up 09:37:36 - 10:07:36 481
Hawthorne 09:52:31 -23.0 Dark Down 35.8 198.3 Up 09:37:31 - 10:07:31 463
Tonopah 09:52:26 -22.9 Dark Down 35.9 200.0 Up 09:37:26 - 10:07:26 443
Lee Vining 09:52:33 -23.7 Dark Down 36.5 197.9 Up 09:37:33 - 10:07:33 422
Bishop 09:52:29 -24.0 Dark Down 36.8 198.9 Up 09:37:29 - 10:07:29 388
Beatty 09:52:23 -23.7 Dark Down 36.8 200.9 Up 09:37:23 - 10:07:23 369
Indian Springs 09:52:18 -23.5 Dark Down 36.8 202.2 Up 09:37:18 - 10:07:18 354
Lone Pine 09:52:27 -24.5 Dark Down 37.5 199.4 Up 09:37:27 - 10:07:27 339
Henderson 09:52:15 -23.6 Dark Down 37.1 203.1 Up 09:37:15 - 10:07:15 322
Patrick 09:52:10 -23.7 Dark Down 37.3 204.6 Up 09:37:10 - 10:07:10 287
Searchlight/Boulder City 09:52:14 -24.1 Dark Down 37.6 203.4 Up 09:37:14 - 10:07:14 284
Kingman/Dolan Springs 09:52:10 -23.9 Dark Down 37.6 204.4 Up 09:37:10 - 10:07:10 270
DCO 09:52:07 -23.6 Dark Down 37.4 205.5 Up 09:37:07 - 10:07:07 270
Laughlin/Bullhead City 09:52:12 -24.2 Dark Down 37.8 203.8 Up 09:37:12 - 10:07:12 265
Mohave Valley 09:52:12 -24.4 Dark Down 38.0 203.9 Up 09:37:12 - 10:07:12 246
CPSLO 09:52:35 -26.6 Dark Down 39.4 196.7 Up 09:37:35 - 10:07:35 228
Lake Havasu City 09:52:10 -24.6 Dark Down 38.3 204.3 Up 09:37:10 - 10:07:10 219
Parker 09:52:10 -24.9 Dark Down 38.6 204.5 Up 09:37:10 - 10:07:10 195
Wildwood 09:52:26 -26.9 Dark Down 40.0 199.5 Up 09:37:26 - 10:07:26 160
Blythe 09:52:10 -25.5 Dark Down 39.2 204.3 Up 09:37:10 - 10:07:10 155
Idyllwild 09:52:18 -26.3 Dark Down 39.8 201.8 Up 09:37:18 - 10:07:18 150
Calipatria 09:52:13 -26.3 Dark Down 40.0 203.4 Up 09:37:13 - 10:07:13 113
Yuma 09:52:09 -26.2 Dark Down 40.1 204.6 Up 09:37:09 - 10:07:09 88

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 136120, (2017/06/02 09:53UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.06  77
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.74  85
56Omi Ser      17:41:24.8 -12:52:32  4.4  0.90  92
PPM 233476     17:42:05.2 -13:56:25  8.3  0.25  93
PPM 233459     17:41:31.8 -13:53:28  9.9  0.13  93
136120         17:41:20.9 -13:46:15 15.8        92
Positions are for J2000

Event circumstances last updated at 2017/05/15 17:59:31 UT

Marc W. Buie, Southwest Research Institute

RECON