RECON: TNO occultation with 14OE394

Event between 14OE394 and star UC4-340-192625 with event index number of 139548

Geocentric closest approach at 2018/07/05 07:14:06 UTC

J2000 position of star is 19:46:59.6 -22:11:23
Equinox of date position of star is 19:48:03.4 -22:08:41
Stellar brightness R=16.3, use SENSEUP=128
Star is 67 degrees from the moon. Moon is 60% illuminated.
TNO apparent brightness V=21.5

[RECON map]
TNO is 45.3 AU from the Sun and 44.4 AU from the Earth.
The TNO is moving 24.2 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 644 seconds.
The 1-sigma cross-track error in the shadow position is 5663 km.
The sky-plane scale is 32166.4 km/arcsec.

The TNO has an absolute magnitude Hv=4.9
Diameter=636.8 km assuming a 5% albedo -- 26.3 sec chord
Diameter=260.0 km assuming a 30% albedo -- 10.7 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 14OE394, (2018/07/05 07:14UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:40.2 -29:31:26  1.2 43.22  31
Nunki          18:56:24.7 -26:16:20  2.0 12.48  79
PPM 270116     19:41:13.8 -23:23:07  5.7  2.01  68
PPM 270276     19:48:36.7 -21:46:51  8.3  0.38  66
PPM 270286     19:49:07.1 -22:07:44  9.5  0.24  66
14OE394        19:48:05.5 -22:08:35 16.3        66
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 1.4 sigma about the mid-time.
The median site spacing is 12.9 km RECON observability=0.6 and success probability=0.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:14:36 -17.5 AT Down 15.6 156.7 Really Low 06:59:36 - 07:29:36 12840
Tonasket 07:14:36 -17.7 AT Down 15.9 156.7 Really Low 06:59:36 - 07:29:36 12833
Okanogan 07:14:37 -18.0 Dark Down 16.1 156.5 Really Low 06:59:37 - 07:29:37 12821
Brewster 07:14:37 -18.3 Dark Down 16.3 156.3 Really Low 06:59:37 - 07:29:37 12812
Manson/Chelan 07:14:40 -18.4 Dark Down 16.4 155.9 Really Low 06:59:40 - 07:29:40 12805
Entiat 07:14:41 -18.6 Dark Down 16.6 155.8 Really Low 06:59:41 - 07:29:41 12798
Wenatchee 07:14:40 -18.9 Dark Down 16.8 155.7 Really Low 06:59:40 - 07:29:40 12789
Ellensburg 07:14:41 -19.2 Dark Down 17.1 155.5 Really Low 06:59:41 - 07:29:41 12774
Yakima 07:14:42 -19.6 Dark Down 17.5 155.4 Really Low 06:59:42 - 07:29:42 12759
Toppenish/White Swan 07:14:43 -19.9 Dark Down 17.7 155.5 Really Low 06:59:43 - 07:29:43 12751
Pasco 07:14:39 -20.2 Dark Down 18.2 156.7 Really Low 06:59:39 - 07:29:39 12747
PNWRO 07:14:37 -20.4 Dark Down 18.5 156.9 Really Low 06:59:37 - 07:29:37 12737
George/Umatilla 07:14:40 -20.5 Dark Down 18.4 156.4 Really Low 06:59:40 - 07:29:40 12734
Goldendale 07:14:45 -20.3 Dark Down 18.1 155.1 Really Low 06:59:45 - 07:29:45 12730
The Dalles 07:14:46 -20.5 Dark Down 18.2 154.7 Really Low 06:59:46 - 07:29:46 12722
Maupin 07:14:47 -20.9 Dark Down 18.6 154.7 Really Low 06:59:47 - 07:29:47 12705
Madras/Culver 07:14:48 -21.5 Dark Down 19.1 154.6 Really Low 06:59:48 - 07:29:48 12684
Sisters 07:14:51 -21.7 Dark Down 19.3 154.2 Really Low 06:59:51 - 07:29:51 12670
Redmond 07:14:48 -21.8 Dark Down 19.4 154.5 Really Low 06:59:48 - 07:29:48 12669
Bend 07:14:49 -22.0 Dark Down 19.6 154.4 Really Low 06:59:49 - 07:29:49 12660
Oregon Observatory 07:14:51 -22.1 Dark Down 19.7 154.2 Really Low 06:59:51 - 07:29:51 12653
La Pine/Gilchrist 07:14:50 -22.3 Dark Down 19.8 154.1 Really Low 06:59:50 - 07:29:50 12644
North Lake 07:14:49 -22.8 Dark Down 20.4 154.6 Low 06:59:49 - 07:29:49 12626
Paisley 07:14:49 -23.4 Dark Down 21.0 154.9 Low 06:59:49 - 07:29:49 12603
Chiloquin 07:14:53 -23.3 Dark Down 20.7 153.6 Low 06:59:53 - 07:29:53 12596
Klamath Falls 07:14:53 -23.7 Dark Down 21.1 153.7 Low 06:59:53 - 07:29:53 12581
Lakeview 07:14:49 -24.0 Dark Down 21.6 155.0 Low 06:59:49 - 07:29:49 12581
Tulelake 07:14:53 -24.0 Dark Down 21.4 153.9 Low 06:59:53 - 07:29:53 12570
Cedarville 07:14:50 -24.6 Dark Down 22.2 155.0 Low 06:59:50 - 07:29:50 12551
Fall River/Burney 07:14:53 -24.9 Dark Down 22.3 153.8 Low 06:59:53 - 07:29:53 12528
Susanville 07:14:53 -25.6 Dark Down 23.1 154.4 Low 06:59:53 - 07:29:53 12499
Greenville 07:14:55 -25.9 Dark Down 23.2 154.1 Low 06:59:55 - 07:29:55 12486
Gimple 07:14:54 -25.9 Dark Down 23.2 154.1 Low 06:59:54 - 07:29:54 12485
Quincy 07:14:55 -26.1 Dark Down 23.4 154.0 Low 06:59:55 - 07:29:55 12476
Portola 07:14:54 -26.3 Dark Down 23.7 154.5 Low 06:59:54 - 07:29:54 12470
Reno 07:14:52 -26.6 Dark Down 24.1 155.0 Low 06:59:52 - 07:29:52 12457
Carson City 07:14:52 -27.0 Dark Down 24.5 155.0 Low 06:59:52 - 07:29:52 12439
Yerington 07:14:51 -27.3 Dark Down 24.8 155.5 Low 06:59:51 - 07:29:51 12429
Gardnerville 07:14:52 -27.2 Dark Down 24.7 155.0 Low 06:59:52 - 07:29:52 12427
Niwot 07:14:03 -27.1 Dark Up 27.0 169.4 Low 06:59:03 - 07:29:03 12420
Hawthorne 07:14:50 -27.8 Dark Down 25.4 155.9 Low 06:59:50 - 07:29:50 12405
Tonopah 07:14:45 -28.5 Dark Down 26.3 157.2 Low 06:59:45 - 07:29:45 12380
Lee Vining 07:14:53 -28.3 Dark Down 25.8 155.4 Low 06:59:53 - 07:29:53 12377
Bishop 07:14:50 -29.0 Dark Down 26.6 155.9 Low 06:59:50 - 07:29:50 12345
Beatty 07:14:46 -29.7 Dark Down 27.5 157.4 Low 06:59:46 - 07:29:46 12318
Lone Pine 07:14:51 -29.8 Dark Down 27.4 156.1 Low 06:59:51 - 07:29:51 12304
Indian Springs 07:14:42 -30.2 Dark Up 28.1 158.4 Low 06:59:42 - 07:29:42 12298
Henderson 07:14:41 -30.8 Dark Up 28.8 159.0 Low 06:59:41 - 07:29:41 12266
Searchlight/Boulder City 07:14:41 -31.3 Dark Up 29.4 159.0 Low 06:59:41 - 07:29:41 12234
CPSLO 07:15:02 -30.6 Dark Down 27.7 153.3 Low 07:00:02 - 07:30:02 12233
Patrick 07:14:38 -31.5 Dark Up 29.7 160.0 Low 06:59:38 - 07:29:38 12227
Laughlin/Bullhead City 07:14:42 -31.7 Dark Up 29.8 159.2 Low 06:59:42 - 07:29:42 12216
Kingman/Dolan Springs 07:14:41 -31.7 Dark Up 29.9 159.8 Low 06:59:41 - 07:29:41 12216
DCO 07:14:37 -31.9 Dark Up 30.2 160.7 Up 06:59:37 - 07:29:37 12207
Mohave Valley 07:14:42 -31.9 Dark Up 30.0 159.2 Up 06:59:42 - 07:29:42 12201
Lake Havasu City 07:14:41 -32.4 Dark Up 30.5 159.4 Up 06:59:41 - 07:29:41 12177
Wildwood 07:14:56 -32.2 Dark Down 29.5 155.0 Low 06:59:56 - 07:29:56 12163
Parker 07:14:41 -32.7 Dark Up 30.8 159.3 Up 06:59:41 - 07:29:41 12156
Idyllwild 07:14:50 -32.8 Dark Up 30.4 156.8 Up 06:59:50 - 07:29:50 12139
Blythe 07:14:43 -33.2 Dark Up 31.2 158.9 Up 06:59:43 - 07:29:43 12126
Calipatria 07:14:46 -33.6 Dark Up 31.4 157.9 Up 06:59:46 - 07:29:46 12100
Yuma 07:14:44 -34.1 Dark Up 32.1 158.7 Up 06:59:44 - 07:29:44 12071

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 14OE394, (2018/07/05 07:14UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 43.22  31
Nunki          18:55:15.9 -26:17:49  2.0 12.48  79
PPM 270116     19:40:07.2 -23:25:45  5.7  2.01  68
PPM 270276     19:47:31.0 -21:49:40  8.3  0.38  66
PPM 270286     19:48:01.3 -22:10:33  9.5  0.24  66
14OE394        19:46:59.6 -22:11:23 16.3        67
Positions are for J2000

Event circumstances last updated at 2017/12/04 18:49:09 UT

Marc W. Buie, Southwest Research Institute

RECON