RECON: TNO occultation with 09KN30

Event between 09KN30 and star GA0640:22562723 with event index number of 196084

Geocentric closest approach at 2018/06/14 07:43:58 UTC

J2000 position of star is 18:05:32.4 -24:33:51
Equinox of date position of star is 18:06:40.3 -24:33:41
Stellar brightness G=13.7, use SENSEUP=64
Star is 176 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 33.3 AU from the Sun and 32.3 AU from the Earth.
The TNO is moving 22.8 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 246 seconds.
The 1-sigma cross-track error in the shadow position is 1539 km.
The sky-plane scale is 23398.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=156.3 km assuming a 5% albedo -- 6.8 sec chord
Diameter=63.8 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 7:2EEEEE
 
 
 
 
 
 

Star training set for 09KN30, (2018/06/14 07:44UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.5 -26:28:17  0.9 21.74 158
Nunki          18:56:24.5 -26:16:20  2.0 11.36 166
4 Sgr          18:00:55.2 -23:48:58  4.8  1.51 177
PPM 267816     18:06:06.3 -24:40:42  7.8  0.17 176
09KN30         18:06:40.4 -24:33:41 13.7       176
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 3.7 sigma about the mid-time.
The median site spacing is 10.7 km RECON observability=0.7 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)
Penticton 07:44:37 -17.1 AT Down 15.1 168.5 Really Low 07:29:37 - 07:59:37 11643
Oroville 07:44:38 -17.7 AT Down 15.7 168.6 Really Low 07:29:38 - 07:59:38 11625
Tonasket 07:44:38 -18.0 AT Down 15.9 168.6 Really Low 07:29:38 - 07:59:38 11618
Okanogan 07:44:38 -18.3 Dark Down 16.2 168.4 Really Low 07:29:38 - 07:59:38 11605
Brewster 07:44:39 -18.6 Dark Down 16.5 168.2 Really Low 07:29:39 - 07:59:39 11595
Manson/Chelan 07:44:41 -18.8 Dark Down 16.6 167.9 Really Low 07:29:41 - 07:59:41 11585
Entiat 07:44:41 -19.0 Dark Down 16.8 167.8 Really Low 07:29:41 - 07:59:41 11577
Wenatchee 07:44:42 -19.2 Dark Down 17.1 167.7 Really Low 07:29:42 - 07:59:42 11567
Ellensburg 07:44:43 -19.6 Dark Down 17.5 167.4 Really Low 07:29:43 - 07:59:43 11551
Yakima 07:44:43 -20.0 Dark Down 17.8 167.4 Really Low 07:29:43 - 07:59:43 11536
Pasco 07:44:38 -20.4 Dark Down 18.4 168.7 Really Low 07:29:38 - 07:59:38 11534
Toppenish/White Swan 07:44:43 -20.3 Dark Down 18.1 167.5 Really Low 07:29:43 - 07:59:43 11529
PNWRO 07:44:39 -20.7 Dark Down 18.7 168.9 Really Low 07:29:39 - 07:59:39 11526
George/Umatilla 07:44:40 -20.8 Dark Down 18.7 168.5 Really Low 07:29:40 - 07:59:40 11519
Goldendale 07:44:45 -20.8 Dark Down 18.6 167.1 Really Low 07:29:45 - 07:59:45 11505
The Dalles 07:44:45 -21.0 Dark Down 18.7 166.7 Really Low 07:29:45 - 07:59:45 11493
Maupin 07:44:45 -21.4 Dark Down 19.1 166.8 Really Low 07:29:45 - 07:59:45 11477
Madras/Culver 07:44:46 -22.0 Dark Down 19.7 166.7 Really Low 07:29:46 - 07:59:46 11455
Redmond 07:44:47 -22.3 Dark Down 20.0 166.7 Low 07:29:47 - 07:59:47 11440
Sisters 07:44:48 -22.3 Dark Down 19.9 166.3 Really Low 07:29:48 - 07:59:48 11438
Bend 07:44:47 -22.5 Dark Down 20.2 166.5 Low 07:29:47 - 07:59:47 11430
Oregon Observatory 07:44:48 -22.7 Dark Down 20.3 166.4 Low 07:29:48 - 07:59:48 11422
La Pine/Gilchrist 07:44:48 -22.9 Dark Down 20.5 166.3 Low 07:29:48 - 07:59:48 11413
North Lake 07:44:47 -23.3 Dark Down 21.1 166.8 Low 07:29:47 - 07:59:47 11399
Paisley 07:44:46 -23.9 Dark Down 21.7 167.1 Low 07:29:46 - 07:59:46 11378
Chiloquin 07:44:51 -24.0 Dark Down 21.6 165.9 Low 07:29:51 - 07:59:51 11361
Lakeview 07:44:46 -24.4 Dark Down 22.2 167.3 Low 07:29:46 - 07:59:46 11357
Klamath Falls 07:44:51 -24.3 Dark Down 21.9 165.9 Low 07:29:51 - 07:59:51 11347
Tulelake 07:44:50 -24.6 Dark Down 22.2 166.2 Low 07:29:50 - 07:59:50 11337
Cedarville 07:44:46 -25.1 Dark Down 22.8 167.4 Low 07:29:46 - 07:59:46 11329
Niwot 07:43:53 -25.8 Dark Down 25.3 182.0 Low 07:28:53 - 07:58:53 11321
Fall River/Burney 07:44:50 -25.5 Dark Down 23.1 166.1 Low 07:29:50 - 07:59:50 11296
Susanville 07:44:48 -26.2 Dark Down 23.9 166.8 Low 07:29:48 - 07:59:48 11273
Gimple 07:44:50 -26.4 Dark Down 24.1 166.6 Low 07:29:50 - 07:59:50 11258
Greenville 07:44:49 -26.4 Dark Down 24.1 166.5 Low 07:29:49 - 07:59:49 11257
Quincy 07:44:50 -26.6 Dark Down 24.3 166.5 Low 07:29:50 - 07:59:50 11247
Portola 07:44:48 -26.8 Dark Down 24.5 166.9 Low 07:29:48 - 07:59:48 11245
Reno 07:44:46 -27.1 Dark Down 24.8 167.5 Low 07:29:46 - 07:59:46 11238
Carson City 07:44:47 -27.5 Dark Down 25.2 167.5 Low 07:29:47 - 07:59:47 11220
Yerington 07:44:43 -27.7 Dark Down 25.5 168.1 Low 07:29:43 - 07:59:43 11215
Gardnerville 07:44:46 -27.7 Dark Down 25.4 167.5 Low 07:29:46 - 07:59:46 11208
Hawthorne 07:44:43 -28.2 Dark Down 26.0 168.6 Low 07:29:43 - 07:59:43 11196
Tonopah 07:44:36 -28.7 Dark Down 26.7 169.9 Low 07:29:36 - 07:59:36 11182
Lee Vining 07:44:43 -28.7 Dark Down 26.5 168.0 Low 07:29:43 - 07:59:43 11163
Bishop 07:44:42 -29.3 Dark Down 27.2 168.7 Low 07:29:42 - 07:59:42 11137
Beatty 07:44:36 -29.8 Dark Down 27.9 170.3 Low 07:29:36 - 07:59:36 11125
Indian Springs 07:44:33 -30.2 Dark Down 28.4 171.4 Low 07:29:33 - 07:59:33 11114
Lone Pine 07:44:41 -30.1 Dark Down 28.0 169.0 Low 07:29:41 - 07:59:41 11099
Henderson 07:44:29 -30.7 Dark Down 29.0 172.0 Low 07:29:29 - 07:59:29 11089
Patrick 07:44:26 -31.3 Dark Down 29.7 173.1 Low 07:29:26 - 07:59:26 11060
Searchlight/Boulder City 07:44:30 -31.3 Dark Down 29.5 172.0 Low 07:29:30 - 07:59:30 11057
Kingman/Dolan Springs 07:44:27 -31.5 Dark Down 29.9 172.9 Low 07:29:27 - 07:59:27 11047
DCO 07:44:23 -31.6 Dark Down 30.1 173.8 Up 07:29:23 - 07:59:23 11046
Laughlin/Bullhead City 07:44:29 -31.6 Dark Down 29.9 172.4 Low 07:29:29 - 07:59:29 11043
Mohave Valley 07:44:29 -31.8 Dark Down 30.1 172.4 Up 07:29:29 - 07:59:29 11027
Lake Havasu City 07:44:28 -32.2 Dark Down 30.6 172.6 Up 07:29:28 - 07:59:28 11006
CPSLO 07:44:51 -31.3 Dark Down 28.8 166.2 Low 07:29:51 - 07:59:51 11006
Parker 07:44:28 -32.6 Dark Down 30.9 172.6 Up 07:29:28 - 07:59:28 10986
Wildwood 07:44:45 -32.6 Dark Down 30.4 168.1 Up 07:29:45 - 07:59:45 10954
Blythe 07:44:29 -33.1 Dark Down 31.4 172.2 Up 07:29:29 - 07:59:29 10954
Idyllwild 07:44:38 -33.0 Dark Down 31.0 170.0 Up 07:29:38 - 07:59:38 10947
Calipatria 07:44:33 -33.6 Dark Down 31.8 171.2 Up 07:29:33 - 07:59:33 10919
Yuma 07:44:30 -34.0 Dark Down 32.3 172.1 Up 07:29:30 - 07:59:30 10898

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 09KN30, (2018/06/14 07:44UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.74 158
Nunki          18:55:15.9 -26:17:49  2.0 11.36 166
4 Sgr          17:59:47.6 -23:48:59  4.8  1.51 177
PPM 267816     18:04:58.2 -24:40:51  7.8  0.17 176
09KN30         18:05:32.4 -24:33:51 13.7       176
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:08:12 UT

Marc W. Buie, Southwest Research Institute

RECON