RECON: TNO occultation with 14GV53

Event between 14GV53 and star UC4-433-066391 with event index number of 135602

Geocentric closest approach at 2017/07/04 08:10:26 UTC

J2000 position of star is 16:28:27.8 -03:31:32
Equinox of date position of star is 16:29:22.8 -03:33:47
Stellar brightness R=14.5, use SENSEUP=128
Star is 21 degrees from the moon. Moon is 80% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 36.9 AU from the Sun and 36.1 AU from the Earth.
The TNO is moving 18.9 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is 1739 km.
The sky-plane scale is 26213.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=322.1 km assuming a 5% albedo -- 17.0 sec chord
Diameter=131.5 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14GV53, (2017/07/04 08:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:29.0 -26:28:10  0.9 22.91  22
1Del Oph       16:15:15.9 -03:44:17  2.7  3.53  17
12 Oph         16:37:16.7 -02:21:39  5.8  2.31  23
PPM 199672     16:27:54.3 -03:01:49  8.1  0.65  20
PPM 199690     16:29:03.4 -03:36:57  9.9  0.10  20
14GV53         16:29:23.0 -03:33:48 14.5        21
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 4.2 sigma about the mid-time.
The median site spacing is 20.1 km RECON observability=1.0 and success probability=2.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 08:07:35 -18.2 Dark Up 28.1 224.0 Low 07:52:35 - 08:22:35 6052
Tonasket 08:07:34 -18.4 Dark Up 28.3 224.1 Low 07:52:34 - 08:22:34 6034
Okanogan 08:07:35 -18.8 Dark Up 28.6 224.1 Low 07:52:35 - 08:22:35 6010
Brewster 08:07:35 -19.1 Dark Up 28.9 224.0 Low 07:52:35 - 08:22:35 5992
Manson/Chelan 08:07:35 -19.3 Dark Up 29.2 223.7 Low 07:52:35 - 08:22:35 5980
Entiat 08:07:35 -19.5 Dark Up 29.4 223.7 Low 07:52:35 - 08:22:35 5964
Wenatchee 08:07:35 -19.7 Dark Up 29.6 223.7 Low 07:52:35 - 08:22:35 5945
Ellensburg 08:07:35 -20.2 Dark Up 30.0 223.6 Up 07:52:35 - 08:22:35 5916
Yakima 08:07:34 -20.6 Dark Up 30.3 223.8 Up 07:52:34 - 08:22:34 5884
Toppenish/White Swan 08:07:33 -20.8 Dark Up 30.4 224.0 Up 07:52:33 - 08:22:33 5865
Pasco 08:07:29 -20.9 Dark Up 29.9 225.3 Low 07:52:29 - 08:22:29 5841
Goldendale 08:07:33 -21.3 Dark Up 31.0 223.8 Up 07:52:33 - 08:22:33 5827
PNWRO 08:07:27 -21.1 Dark Up 29.9 225.7 Low 07:52:27 - 08:22:27 5819
George/Umatilla 08:07:28 -21.2 Dark Up 30.2 225.3 Up 07:52:28 - 08:22:28 5817
The Dalles 08:07:34 -21.6 Dark Up 31.3 223.5 Up 07:52:34 - 08:22:34 5813
Maupin 08:07:33 -22.0 Dark Up 31.6 223.8 Up 07:52:33 - 08:22:33 5778
Madras/Culver 08:07:32 -22.5 Dark Up 32.0 224.0 Up 07:52:32 - 08:22:32 5735
Sisters 08:07:33 -22.9 Dark Up 32.5 223.7 Up 07:52:33 - 08:22:33 5714
Redmond 08:07:31 -22.9 Dark Up 32.3 224.1 Up 07:52:31 - 08:22:31 5707
Bend 08:07:31 -23.1 Dark Up 32.5 224.1 Up 07:52:31 - 08:22:31 5691
Oregon Observatory 08:07:31 -23.3 Dark Up 32.7 224.0 Up 07:52:31 - 08:22:31 5679
La Pine/Gilchrist 08:07:31 -23.5 Dark Up 32.9 224.0 Up 07:52:31 - 08:22:31 5663
North Lake 08:07:29 -23.9 Dark Up 32.9 224.8 Up 07:52:29 - 08:22:29 5620
Chiloquin 08:07:30 -24.6 Dark Up 33.9 224.2 Up 07:52:30 - 08:22:30 5576
Paisley 08:07:26 -24.5 Dark Up 33.1 225.4 Up 07:52:26 - 08:22:26 5570
Klamath Falls 08:07:30 -24.9 Dark Up 34.1 224.4 Up 07:52:30 - 08:22:30 5546
Lakeview 08:07:25 -25.0 Dark Up 33.4 225.9 Up 07:52:25 - 08:22:25 5526
Tulelake 08:07:29 -25.2 Dark Up 34.1 224.9 Up 07:52:29 - 08:22:29 5520
Cedarville 08:07:23 -25.6 Dark Up 33.7 226.4 Up 07:52:23 - 08:22:23 5468
Fall River/Burney 08:07:26 -26.1 Dark Up 34.7 225.4 Up 07:52:26 - 08:22:26 5442
Susanville 08:07:23 -26.7 Dark Up 34.8 226.4 Up 07:52:23 - 08:22:23 5379
Greenville 08:07:23 -27.0 Dark Up 35.1 226.3 Up 07:52:23 - 08:22:23 5359
Gimple 08:07:23 -27.0 Dark Up 35.1 226.4 Up 07:52:23 - 08:22:23 5358
Quincy 08:07:24 -27.2 Dark Up 35.3 226.4 Up 07:52:24 - 08:22:24 5341
Portola 08:07:20 -27.3 Dark Up 35.1 226.9 Up 07:52:20 - 08:22:20 5325
Reno 08:07:18 -27.6 Dark Up 34.9 227.7 Up 07:52:18 - 08:22:18 5293
Carson City 08:07:17 -28.0 Dark Up 35.1 227.9 Up 07:52:17 - 08:22:17 5262
Gardnerville 08:07:17 -28.2 Dark Up 35.3 228.1 Up 07:52:17 - 08:22:17 5240
Yerington 08:07:15 -28.1 Dark Up 34.9 228.6 Up 07:52:15 - 08:22:15 5237
Hawthorne 08:07:12 -28.6 Dark Up 34.9 229.4 Up 07:52:12 - 08:22:12 5189
Niwot 08:06:34 -25.4 Dark Up 25.6 240.5 Low 07:51:34 - 08:21:34 5169
Lee Vining 08:07:13 -29.2 Dark Up 35.6 229.2 Up 07:52:13 - 08:22:13 5146
Tonopah 08:07:07 -29.0 Dark Up 34.4 231.0 Up 07:52:07 - 08:22:07 5130
Bishop 08:07:09 -29.8 Dark Up 35.5 230.2 Up 07:52:09 - 08:22:09 5083
Beatty 08:07:02 -30.1 Dark Up 34.8 232.0 Up 07:52:02 - 08:22:02 5020
Lone Pine 08:07:08 -30.5 Dark Up 35.8 231.0 Up 07:52:08 - 08:22:08 5009
Indian Springs 08:07:00 -30.4 Dark Up 34.3 233.2 Up 07:52:00 - 08:22:00 4976
CPSLO 08:07:16 -31.9 Dark Up 38.2 229.2 Up 07:52:16 - 08:22:16 4925
Henderson 08:06:56 -30.9 Dark Up 34.2 234.1 Up 07:51:56 - 08:21:56 4918
Searchlight/Boulder City 08:06:55 -31.4 Dark Up 34.5 234.5 Up 07:51:55 - 08:21:55 4865
Patrick 08:06:51 -31.4 Dark Up 33.8 235.4 Up 07:51:51 - 08:21:51 4847
Laughlin/Bullhead City 08:06:53 -31.7 Dark Up 34.4 234.9 Up 07:51:53 - 08:21:53 4833
Kingman/Dolan Springs 08:06:52 -31.6 Dark Up 34.1 235.4 Up 07:51:52 - 08:21:52 4828
DCO 08:06:48 -31.6 Dark Up 33.5 236.2 Up 07:51:48 - 08:21:48 4809
Mohave Valley 08:06:53 -32.0 Dark Up 34.6 235.1 Up 07:51:53 - 08:21:53 4807
Wildwood 08:07:06 -33.0 Dark Up 37.7 231.9 Up 07:52:06 - 08:22:06 4786
Lake Havasu City 08:06:51 -32.4 Dark Up 34.7 235.5 Up 07:51:51 - 08:21:51 4767
Parker 08:06:51 -32.7 Dark Up 34.8 235.8 Up 07:51:51 - 08:21:51 4733
Idyllwild 08:06:58 -33.3 Dark Up 36.7 233.9 Up 07:51:58 - 08:21:58 4728
Blythe 08:06:51 -33.2 Dark Up 35.3 235.8 Up 07:51:51 - 08:21:51 4688
Calipatria 08:06:54 -33.8 Dark Up 36.3 235.3 Up 07:51:54 - 08:21:54 4654
Yuma 08:06:50 -34.2 Dark Up 35.9 236.3 Up 07:51:50 - 08:21:50 4601

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 14GV53, (2017/07/04 08:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.91  22
1Del Oph       16:14:20.7 -03:41:42  2.7  3.53  17
12 Oph         16:36:22.0 -02:19:34  5.8  2.31  23
PPM 199672     16:26:59.3 -02:59:31  8.1  0.65  20
PPM 199690     16:28:08.2 -03:34:41  9.9  0.10  20
14GV53         16:28:27.8 -03:31:32 14.5        20
Positions are for J2000

Event circumstances last updated at 2017/06/08 16:05:57 UT

Marc W. Buie, Southwest Research Institute

RECON