RECON: TNO occultation with 16FN59

Event between 16FN59 and star UC4-423-057390 with event index number of 157286

Geocentric closest approach at 2017/03/22 15:09:23 UTC

J2000 position of star is 12:07:47.0 -05:27:12
Equinox of date position of star is 12:08:38.9 -05:32:49
Stellar brightness R=15.5
Star is 110 degrees from the moon. Moon is 31% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 37.7 AU from the Sun and 36.7 AU from the Earth.
The TNO is moving 24.3 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 137 seconds.
The 1-sigma cross-track error in the shadow position is 2319 km.
The sky-plane scale is 26587.6 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=280.6 km assuming a 5% albedo -- 11.6 sec chord
Diameter=114.5 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 16FN59, (2017/03/22 15:09UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:06.2 -11:15:03  1.0 19.97  90
4Gam Crv       12:16:41.7 -17:38:15  2.6 12.25 104
PPM 178683     12:06:52.8 -03:13:39  6.4  2.36 112
PPM 195192     12:09:53.0 -05:14:42  8.3  0.43 110
PPM 195165     12:08:26.5 -05:36:11  9.4  0.08 110
16FN59         12:08:40.1 -05:32:57 15.5       110
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 5.0 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 15:08:14 11.1 Sun up Up -14.6 278.6 Not Up 14:56:20 - 15:20:09 12985
Tonasket 15:08:11 11.1 Sun up Up -14.6 278.5 Not Up 14:56:16 - 15:20:05 12977
Okanogan 15:08:09 11.1 Sun up Up -14.6 278.3 Not Up 14:56:14 - 15:20:03 12967
Brewster 15:08:08 11.0 Sun up Up -14.5 278.1 Not Up 14:56:13 - 15:20:02 12960
Manson/Chelan 15:08:06 10.8 Sun up Up -14.2 277.7 Not Up 14:56:12 - 15:20:01 12958
Entiat 15:08:05 10.8 Sun up Up -14.2 277.6 Not Up 14:56:11 - 15:20:00 12951
Wenatchee 15:08:05 10.7 Sun up Up -14.2 277.5 Not Up 14:56:10 - 15:19:59 12942
Ellensburg 15:08:02 10.7 Sun up Up -14.1 277.2 Not Up 14:56:08 - 15:19:57 12930
Yakima 15:08:01 10.7 Sun up Up -14.1 277.1 Not Up 14:56:06 - 15:19:55 12915
Toppenish/White Swan 15:08:00 10.9 Sun up Up -14.3 277.1 Not Up 14:56:05 - 15:19:54 12904
Goldendale 15:07:57 10.7 Sun up Up -14.0 276.7 Not Up 14:56:03 - 15:19:52 12888
The Dalles 15:07:56 10.4 Sun up Up -13.8 276.4 Not Up 14:56:01 - 15:19:50 12884
Pasco 15:08:01 11.8 Sun up Up -15.1 278.1 Not Up 14:56:06 - 15:19:55 12879
George/Umatilla 15:07:59 11.7 Sun up Up -15.0 277.8 Not Up 14:56:04 - 15:19:53 12869
PNWRO 15:07:59 12.0 Sun up Up -15.3 278.2 Not Up 14:56:05 - 15:19:54 12866
Maupin 15:07:54 10.6 Sun up Up -13.9 276.3 Not Up 14:56:00 - 15:19:49 12865
Madras/Culver 15:07:52 10.6 Sun up Up -13.9 276.2 Not Up 14:55:57 - 15:19:46 12843
Sisters 15:07:50 10.4 Sun up Up -13.6 275.7 Not Up 14:55:56 - 15:19:45 12836
Redmond 15:07:50 10.7 Sun up Up -13.9 276.0 Not Up 14:55:56 - 15:19:45 12829
Bend 15:07:49 10.6 Sun up Up -13.8 275.9 Not Up 14:55:55 - 15:19:44 12822
Oregon Observatory 15:07:48 10.5 Sun up Up -13.8 275.7 Not Up 14:55:54 - 15:19:43 12817
La Pine/Gilchrist 15:07:47 10.5 Sun up Up -13.7 275.6 Not Up 14:55:53 - 15:19:42 12809
North Lake 15:07:46 11.0 Sun up Up -14.2 275.9 Not Up 14:55:52 - 15:19:41 12780
Chiloquin 15:07:43 10.4 Sun up Up -13.6 275.1 Not Up 14:55:49 - 15:19:38 12764
Paisley 15:07:46 11.4 Sun up Up -14.5 276.1 Not Up 14:55:52 - 15:19:41 12750
Klamath Falls 15:07:41 10.5 Sun up Up -13.7 275.1 Not Up 14:55:47 - 15:19:36 12747
Tulelake 15:07:40 10.8 Sun up Up -13.9 275.2 Not Up 14:55:46 - 15:19:35 12730
Lakeview 15:07:42 11.6 Sun up Up -14.7 276.0 Not Up 14:55:48 - 15:19:37 12723
Cedarville 15:07:40 11.8 Sun up Up -14.9 276.0 Not Up 14:55:45 - 15:19:34 12689
Fall River/Burney 15:07:36 11.0 Sun up Up -14.0 275.0 Not Up 14:55:42 - 15:19:31 12685
Susanville 15:07:34 11.6 Sun up Up -14.6 275.4 Not Up 14:55:40 - 15:19:29 12643
Greenville 15:07:34 11.4 Sun up Up -14.4 275.1 Not Up 14:55:40 - 15:19:29 12634
Quincy 15:07:33 11.4 Sun up Up -14.5 275.0 Not Up 14:55:38 - 15:19:27 12623
Portola 15:07:33 11.8 Sun up Up -14.8 275.3 Not Up 14:55:38 - 15:19:27 12610
Reno 15:07:33 12.4 Sun up Up -15.4 275.7 Not Up 14:55:38 - 15:19:27 12585
Carson City 15:07:31 12.4 Sun up Up -15.4 275.6 Not Up 14:55:36 - 15:19:25 12566
Gardnerville 15:07:31 12.5 Sun up Up -15.5 275.6 Not Up 14:55:36 - 15:19:25 12553
Yerington 15:07:32 13.0 Sun up Up -15.9 275.9 Not Up 14:55:37 - 15:19:26 12545
Hawthorne 15:07:30 13.4 Sun up Up -16.4 276.2 Not Up 14:55:36 - 15:19:25 12511
Lee Vining 15:07:27 13.1 Sun up Up -16.0 275.7 Not Up 14:55:33 - 15:19:22 12490
Gimple 15:10:45 -29.8 Dark Down 25.2 6.5 Low 14:58:51 - 15:22:40 12470
Tonopah 15:07:28 14.6 Sun up Up -17.5 276.9 Not Up 14:55:34 - 15:19:23 12461
Bishop 15:07:25 13.8 Sun up Up -16.7 276.0 Not Up 14:55:31 - 15:19:20 12444
Lone Pine 15:07:22 14.2 Sun up Up -17.0 275.9 Not Up 14:55:27 - 15:19:16 12395
Beatty 15:07:24 15.2 Sun up Up -18.0 276.8 Not Up 14:55:30 - 15:19:19 12388
CPSLO 15:07:14 12.3 Sun up Up -15.0 274.0 Not Up 14:55:20 - 15:19:09 12367
Indian Springs 15:07:24 16.1 Sun up Up -18.9 277.4 Not Up 14:55:29 - 15:19:18 12348
Niwot 15:07:53 23.2 Sun up Up -26.4 286.2 Not Up 14:55:58 - 15:19:47 12314
Henderson 15:07:25 16.7 Sun up Up -19.5 277.7 Not Up 14:55:31 - 15:19:20 12303
Searchlight/Boulder City 15:07:21 16.9 Sun up Up -19.6 277.5 Not Up 14:55:26 - 15:19:15 12268
Wildwood 15:07:11 14.1 Sun up Up -16.8 274.8 Not Up 14:55:17 - 15:19:06 12258
Patrick 15:07:22 17.7 Sun up Up -20.5 278.1 Not Up 14:55:27 - 15:19:16 12243
Laughlin/Bullhead City 15:07:21 17.2 Sun up Up -20.0 277.6 Not Up 14:55:27 - 15:19:16 12243
Kingman/Dolan Springs 15:07:20 17.6 Sun up Up -20.4 277.9 Not Up 14:55:26 - 15:19:15 12234
Mohave Valley 15:07:18 17.3 Sun up Up -20.0 277.5 Not Up 14:55:24 - 15:19:13 12226
DCO 15:07:21 18.4 Sun up Up -21.1 278.5 Not Up 14:55:27 - 15:19:16 12210
Idyllwild 15:07:12 15.7 Sun up Up -18.3 275.8 Not Up 14:55:17 - 15:19:06 12201
Lake Havasu City 15:07:17 17.5 Sun up Up -20.2 277.5 Not Up 14:55:23 - 15:19:12 12197
Parker 15:07:16 17.6 Sun up Up -20.3 277.4 Not Up 14:55:21 - 15:19:10 12175
Blythe 15:07:14 17.5 Sun up Up -20.1 277.0 Not Up 14:55:19 - 15:19:08 12149
Calipatria 15:07:13 16.8 Sun up Up -19.4 276.3 Not Up 14:55:18 - 15:19:07 12138
Yuma 15:07:10 17.6 Sun up Up -20.2 276.6 Not Up 14:55:16 - 15:19:05 12092

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 16FN59, (2017/03/22 15:09UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 19.97  90
4Gam Crv       12:15:48.2 -17:32:31  2.6 12.25 104
PPM 178683     12:05:59.8 -03:07:54  6.4  2.36 112
PPM 195192     12:09:00.0 -05:08:57  8.3  0.43 110
PPM 195165     12:07:33.4 -05:30:26  9.4  0.08 110
16FN59         12:07:47.0 -05:27:12 15.5       110
Positions are for J2000

Event circumstances last updated at 2016/11/01 18:04:26 UT

Marc W. Buie, Southwest Research Institute

RECON