RECON: TNO occultation with 01FE193

Event between 01FE193 and star UC4-419-056744 with event index number of 2075

Geocentric closest approach at 2015/06/11 06:50:06 UTC

J2000 position of star is 13:22:08.0 -06:22:46
Equinox of date position of star is 13:22:56.3 -06:27:36
Stellar brightness R=15.8
Star is 170 degrees from the moon. Moon is 32% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 44.0 AU from the Sun and 43.5 AU from the Earth.
The TNO is moving 10.9 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 1284 seconds.
The 1-sigma cross-track error in the shadow position is 7572 km.

The TNO has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo
Diameter=89.7 km assuming a 30% albedo
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 01FE193, (2015/06/11 06:50UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:00.5 -11:14:29  1.0  4.84 167
66 Vir         13:25:21.6 -05:14:40  6.1  1.36 170
PPM 196445     13:23:19.2 -06:17:00  7.1  0.20 170
01FE193        13:22:56.3 -06:27:36 15.8       170
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 1.0 sigma about the mid-time.
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Target Observing Time
(UT)
Oroville 06:58:45 -16.8 AT Down 22.7 Low 06:36:51 - 07:20:40
Tonasket 06:58:42 -17.1 AT Down 22.8 Low 06:36:48 - 07:20:36
Okanogan 06:58:42 -17.4 AT Down 23.1 Low 06:36:48 - 07:20:36
Brewster 06:58:42 -17.6 AT Down 23.4 Low 06:36:48 - 07:20:36
Manson/Chelan 06:58:50 -17.7 AT Down 23.7 Low 06:36:56 - 07:20:44
Entiat 06:58:42 -17.9 AT Down 23.9 Low 06:36:48 - 07:20:36
Wenatchee 06:58:49 -18.2 Dark Down 24.1 Low 06:36:55 - 07:20:43
Ellensburg 06:58:49 -18.5 Dark Down 24.5 Low 06:36:55 - 07:20:43
Yakima 06:58:53 -18.9 Dark Down 24.8 Low 06:36:58 - 07:20:47
Toppenish/White Swan 06:58:49 -19.1 Dark Down 24.9 Low 06:36:55 - 07:20:43
Pasco 06:58:53 -19.5 Dark Down 24.3 Low 06:36:58 - 07:20:47
Pacific NW Region. Obs. 06:58:56 -19.8 Dark Down 24.3 Low 06:37:02 - 07:20:50
Umatilla 06:58:59 -19.8 Dark Down 24.6 Low 06:37:04 - 07:20:53
Goldendale 06:58:56 -19.6 Dark Down 25.4 Low 06:37:02 - 07:20:50
The Dalles 06:58:56 -19.8 Dark Down 25.8 Low 06:37:02 - 07:20:50
Maupin 06:59:02 -20.2 Dark Down 26.0 Low 06:37:08 - 07:20:56
Madras/Culver 06:59:03 -20.7 Dark Down 26.4 Low 06:37:09 - 07:20:57
Sisters 06:58:59 -20.9 Dark Down 26.8 Low 06:37:04 - 07:20:53
Redmond 06:58:56 -21.0 Dark Down 26.6 Low 06:37:02 - 07:20:50
Bend 06:58:59 -21.2 Dark Down 26.9 Low 06:37:04 - 07:20:53
Oregon Observatory 06:59:08 -21.4 Dark Down 27.0 Low 06:37:14 - 07:21:03
LaPine/Gilchrist 06:59:03 -21.5 Dark Down 27.2 Low 06:37:09 - 07:20:57
North Lake 06:59:09 -22.1 Dark Down 27.1 Low 06:37:15 - 07:21:03
Paisley 06:59:13 -22.7 Dark Down 27.3 Low 06:37:19 - 07:21:07
Chiloquin 06:59:08 -22.5 Dark Down 28.1 Low 06:37:14 - 07:21:03
Klamath Falls 06:59:10 -22.9 Dark Down 28.3 Low 06:37:16 - 07:21:04
Lakeview 06:59:10 -23.2 Dark Down 27.5 Low 06:37:16 - 07:21:04
Tulelake 06:59:16 -23.2 Dark Down 28.3 Low 06:37:22 - 07:21:10
Cedarville 06:59:20 -23.9 Dark Down 27.8 Low 06:37:26 - 07:21:14
Fall River/Burney 06:59:17 -24.1 Dark Down 28.8 Low 06:37:23 - 07:21:11
Susanville 06:59:17 -24.9 Dark Down 28.8 Low 06:37:23 - 07:21:11
Greenville 06:59:21 -25.1 Dark Down 29.1 Low 06:37:26 - 07:21:15
Niwot 06:59:37 -26.8 Dark Down 19.0 Really Low 06:37:43 - 07:21:32
Quincy 06:59:21 -25.3 Dark Down 29.3 Low 06:37:26 - 07:21:15
Portola 06:59:17 -25.5 Dark Down 29.1 Low 06:37:23 - 07:21:11
Reno 06:59:24 -25.9 Dark Down 28.8 Low 06:37:30 - 07:21:18
Carson City 06:59:28 -26.2 Dark Down 29.0 Low 06:37:33 - 07:21:22
Yerington 06:59:24 -26.5 Dark Down 28.8 Low 06:37:30 - 07:21:18
Gardnerville 06:59:29 -26.5 Dark Down 29.2 Low 06:37:34 - 07:21:23
Hawthorne 06:59:24 -27.1 Dark Down 28.7 Low 06:37:30 - 07:21:18
Lee Vining 06:59:24 -27.5 Dark Down 29.4 Low 06:37:30 - 07:21:18
Tonopah 06:59:29 -27.8 Dark Down 28.1 Low 06:37:35 - 07:21:24
Bishop 06:59:29 -28.3 Dark Down 29.3 Low 06:37:35 - 07:21:24
Lone Pine 06:59:35 -29.1 Dark Down 29.5 Low 06:37:40 - 07:21:29
Beatty 06:59:38 -29.0 Dark Down 28.4 Low 06:37:44 - 07:21:32
Indian Springs 06:59:39 -29.5 Dark Down 27.9 Low 06:37:45 - 07:21:33
Henderson 06:59:38 -30.2 Dark Down 27.7 Low 06:37:44 - 07:21:32
Searchlight/Boulder City 06:59:44 -30.7 Dark Down 28.0 Low 06:37:50 - 07:21:39
San Luis Obispo 06:59:35 -29.8 Dark Down 31.9 Up 06:37:40 - 07:21:29
Kingman/Dolan Springs 06:59:49 -31.1 Dark Down 27.5 Low 06:37:55 - 07:21:43
Laughlin/Bullhead City 06:59:42 -31.1 Dark Down 27.9 Low 06:37:48 - 07:21:36
Mohave Valley 06:59:45 -31.3 Dark Down 28.0 Low 06:37:51 - 07:21:39
Lake Havasu City 06:59:45 -31.8 Dark Down 28.0 Low 06:37:51 - 07:21:39
Parker 06:59:45 -32.1 Dark Down 28.2 Low 06:37:51 - 07:21:39
Idyllwild 06:59:38 -32.1 Dark Down 30.1 Up 06:37:44 - 07:21:32
Blythe 06:59:49 -32.6 Dark Down 28.7 Low 06:37:55 - 07:21:43
Calipatria 06:59:51 -32.9 Dark Down 29.6 Low 06:37:57 - 07:21:46
Yuma 06:59:52 -33.5 Dark Down 29.2 Low 06:37:58 - 07:21:46

Event circumstances last updated at 2015/06/09 23:22:15 UT

Marc W. Buie, Southwest Research Institute

RECON