RECON: TNO occultation with 06UO321

Event between 06UO321 and star UC4-479-001672 with event index number of 223104

Geocentric closest approach at 2018/10/17 09:13:55 UTC

J2000 position of star is 01:10:57.8 +05:37:55
Equinox of date position of star is 01:11:53.6 +05:43:37
Stellar brightness R=14.9, use SENSEUP=128
Star is 78 degrees from the moon. Moon is 56% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 42.6 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 25.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 314 seconds.
The 1-sigma cross-track error in the shadow position is 5244 km.
The sky-plane scale is 30210.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=196.8 km assuming a 5% albedo -- 7.8 sec chord
Diameter=80.3 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 06UO321, (2018/10/17 09:14UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:12.4 +15:17:17  2.8 17.09  69
80 Psc         01:09:20.4 +05:44:55  5.5  0.65  77
PPM 144383     01:14:50.2 +05:14:27  7.8  0.87  78
PPM 144344     01:11:53.0 +05:57:36  9.9  0.23  78
PPM 144340     01:11:39.7 +05:33:51 11.0  0.18  78
06UO321        01:11:56.3 +05:43:53 14.9        78
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 2.9 sigma about the mid-time.
The median site spacing is 20.6 km RECON observability=1.0 and success probability=8.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 09:11:42 -46.2 Dark Down 41.2 216.3 Up 08:56:42 - 09:26:42 -1821
Tonasket 09:11:42 -46.4 Dark Down 41.4 216.4 Up 08:56:42 - 09:26:42 -1842
Okanogan 09:11:42 -46.8 Dark Down 41.7 216.4 Up 08:56:42 - 09:26:42 -1868
Brewster 09:11:42 -47.1 Dark Down 42.0 216.3 Up 08:56:42 - 09:26:42 -1888
Manson/Chelan 09:11:43 -47.4 Dark Down 42.3 216.0 Up 08:56:43 - 09:26:43 -1899
Entiat 09:11:44 -47.6 Dark Down 42.5 216.0 Up 08:56:44 - 09:26:44 -1917
Wenatchee 09:11:44 -47.8 Dark Down 42.8 216.0 Up 08:56:44 - 09:26:44 -1937
Ellensburg 09:11:44 -48.3 Dark Down 43.2 216.0 Up 08:56:44 - 09:26:44 -1970
Yakima 09:11:44 -48.6 Dark Down 43.5 216.2 Up 08:56:44 - 09:26:44 -2006
Toppenish/White Swan 09:11:44 -48.7 Dark Down 43.6 216.5 Up 08:56:44 - 09:26:44 -2029
Pasco 09:11:40 -48.4 Dark Down 43.2 218.1 Up 08:56:40 - 09:26:40 -2068
Goldendale 09:11:45 -49.4 Dark Down 44.3 216.3 Up 08:56:45 - 09:26:45 -2070
The Dalles 09:11:46 -49.7 Dark Down 44.6 215.9 Up 08:56:46 - 09:26:46 -2082
George/Umatilla 09:11:41 -48.7 Dark Down 43.6 218.1 Up 08:56:41 - 09:26:41 -2094
PNWRO 09:11:40 -48.5 Dark Down 43.3 218.6 Up 08:56:40 - 09:26:40 -2096
Maupin 09:11:46 -50.0 Dark Down 44.9 216.3 Up 08:56:46 - 09:26:46 -2122
Madras/Culver 09:11:46 -50.5 Dark Down 45.3 216.6 Up 08:56:46 - 09:26:46 -2171
Sisters 09:11:47 -50.9 Dark Down 45.8 216.2 Up 08:56:47 - 09:26:47 -2191
Redmond 09:11:46 -50.8 Dark Down 45.6 216.8 Up 08:56:46 - 09:26:46 -2203
Bend 09:11:46 -51.0 Dark Down 45.9 216.7 Up 08:56:46 - 09:26:46 -2219
Oregon Observatory 09:11:47 -51.2 Dark Down 46.1 216.6 Up 08:56:47 - 09:26:47 -2232
La Pine/Gilchrist 09:11:47 -51.4 Dark Down 46.3 216.7 Up 08:56:47 - 09:26:47 -2250
North Lake 09:11:45 -51.5 Dark Down 46.3 217.7 Up 08:56:45 - 09:26:45 -2304
Chiloquin 09:11:48 -52.5 Dark Down 47.3 216.9 Up 08:56:48 - 09:26:48 -2344
Paisley 09:11:44 -51.9 Dark Down 46.6 218.6 Up 08:56:44 - 09:26:44 -2365
Klamath Falls 09:11:48 -52.7 Dark Down 47.5 217.3 Up 08:56:48 - 09:26:48 -2378
Tulelake 09:11:47 -52.8 Dark Down 47.6 217.9 Up 08:56:47 - 09:26:47 -2411
Lakeview 09:11:44 -52.2 Dark Down 46.9 219.1 Up 08:56:44 - 09:26:44 -2417
Cedarville 09:11:43 -52.6 Dark Down 47.4 219.8 Up 08:56:43 - 09:26:43 -2483
Fall River/Burney 09:11:47 -53.6 Dark Down 48.3 218.6 Up 08:56:47 - 09:26:47 -2499
Susanville 09:11:45 -53.7 Dark Down 48.4 220.0 Up 08:56:45 - 09:26:45 -2577
Greenville 09:11:46 -54.1 Dark Down 48.8 219.8 Up 08:56:46 - 09:26:46 -2596
Gimple 09:11:45 -54.1 Dark Down 48.8 219.9 Up 08:56:45 - 09:26:45 -2599
Quincy 09:11:46 -54.3 Dark Down 48.9 220.0 Up 08:56:46 - 09:26:46 -2616
Portola 09:11:44 -54.1 Dark Down 48.8 220.7 Up 08:56:44 - 09:26:44 -2640
Reno 09:11:43 -54.0 Dark Down 48.7 221.7 Up 08:56:43 - 09:26:43 -2682
Carson City 09:11:43 -54.3 Dark Down 48.9 222.0 Up 08:56:43 - 09:26:43 -2717
Gardnerville 09:11:43 -54.5 Dark Down 49.1 222.3 Up 08:56:43 - 09:26:43 -2742
Yerington 09:11:41 -54.2 Dark Down 48.8 223.0 Up 08:56:41 - 09:26:41 -2752
Hawthorne 09:11:39 -54.2 Dark Down 48.8 224.0 Up 08:56:39 - 09:26:39 -2810
Lee Vining 09:11:41 -54.9 Dark Down 49.5 223.8 Up 08:56:41 - 09:26:41 -2853
Tonopah 09:11:35 -53.9 Dark Down 48.4 226.1 Up 08:56:35 - 09:26:35 -2891
Bishop 09:11:39 -55.0 Dark Down 49.5 225.2 Up 08:56:39 - 09:26:39 -2930
Niwot 09:11:04 -45.4 Dark Down 39.8 237.6 Up 08:56:04 - 09:26:04 -2947
Lone Pine 09:11:38 -55.4 Dark Down 49.8 226.3 Up 08:56:38 - 09:26:38 -3014
Beatty 09:11:34 -54.4 Dark Down 48.9 227.6 Up 08:56:34 - 09:26:34 -3016
CPSLO 09:11:46 -57.7 Dark Down 52.2 224.1 Up 08:56:46 - 09:26:46 -3075
Indian Springs 09:11:31 -54.0 Dark Down 48.5 229.2 Up 08:56:31 - 09:26:31 -3075
Henderson 09:11:29 -54.0 Dark Down 48.4 230.5 Up 08:56:29 - 09:26:29 -3146
Searchlight/Boulder City 09:11:29 -54.3 Dark Down 48.7 231.0 Up 08:56:29 - 09:26:29 -3205
Patrick 09:11:26 -53.7 Dark Down 48.1 232.3 Up 08:56:26 - 09:26:26 -3236
Laughlin/Bullhead City 09:11:28 -54.3 Dark Down 48.7 231.7 Up 08:56:28 - 09:26:28 -3244
Wildwood 09:11:40 -57.4 Dark Down 51.9 227.9 Up 08:56:40 - 09:26:40 -3250
Kingman/Dolan Springs 09:11:26 -54.0 Dark Down 48.3 232.3 Up 08:56:26 - 09:26:26 -3254
Mohave Valley 09:11:28 -54.5 Dark Down 48.8 232.0 Up 08:56:28 - 09:26:28 -3271
DCO 09:11:24 -53.4 Dark Down 47.8 233.4 Up 08:56:24 - 09:26:24 -3284
Lake Havasu City 09:11:28 -54.6 Dark Down 48.9 232.6 Up 08:56:28 - 09:26:28 -3318
Idyllwild 09:11:35 -56.6 Dark Down 50.9 230.5 Up 08:56:35 - 09:26:35 -3336
Parker 09:11:27 -54.8 Dark Down 49.1 233.0 Up 08:56:27 - 09:26:27 -3354
Blythe 09:11:29 -55.3 Dark Down 49.6 233.1 Up 08:56:29 - 09:26:29 -3401
Calipatria 09:11:31 -56.2 Dark Down 50.5 232.5 Up 08:56:31 - 09:26:31 -3428
Yuma 09:11:29 -55.9 Dark Down 50.2 234.0 Up 08:56:29 - 09:26:29 -3494

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 06UO321, (2018/10/17 09:14UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:01  2.8 17.09  69
80 Psc         01:08:21.9 +05:38:56  5.5  0.65  77
PPM 144383     01:13:51.7 +05:08:30  7.8  0.87  78
PPM 144344     01:10:54.5 +05:51:37  9.9  0.23  78
PPM 144340     01:10:41.2 +05:27:53 11.0  0.18  78
06UO321        01:10:57.8 +05:37:55 14.9        78
Positions are for J2000

Event circumstances last updated at 2017/12/05 18:59:54 UT

Marc W. Buie, Southwest Research Institute

RECON