RECON: TNO occultation with 01KO77

Event between 01KO77 and star GA0740:12277435 with event index number of 194688

Geocentric closest approach at 2019/06/26 10:06:11 UTC

J2000 position of star is 17:49:44.2 -15:05:53
Equinox of date position of star is 17:50:47.5 -15:06:09
Stellar brightness G=14.8, use SENSEUP=128
Star is 109 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 37.5 AU from the Sun and 36.5 AU from the Earth.
The TNO is moving 24.2 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 259 seconds.
The 1-sigma cross-track error in the shadow position is 2431 km.
The sky-plane scale is 26502.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=184.5 km assuming a 5% albedo -- 7.6 sec chord
Diameter=75.3 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 01KO77, (2019/06/26 10:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.3 -26:28:25  0.9 21.89 125
35Eta Oph      17:11:29.8 -15:44:52  2.6  9.51 118
PPM 233599     17:48:43.5 -14:43:54  5.9  0.63 109
PPM 233690     17:53:11.1 -15:01:47  8.2  0.57 108
PPM 233642     17:51:17.3 -15:12:03  9.2  0.14 109
01KO77         17:50:51.1 -15:06:10 14.8       109
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 3.5 sigma about the mid-time.
The median site spacing is 15.9 km RECON observability=0.8 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 10:02:02 -12.3 AT Up 17.3 218.3 Really Low 09:47:02 - 10:17:02 15153
Oroville 10:01:59 -12.8 AT Up 17.7 218.5 Really Low 09:46:59 - 10:16:59 15123
Tonasket 10:01:59 -13.0 AT Up 17.9 218.5 Really Low 09:46:59 - 10:16:59 15111
Okanogan 10:01:58 -13.3 AT Up 18.2 218.5 Really Low 09:46:58 - 10:16:58 15096
Brewster 10:01:59 -13.6 AT Up 18.5 218.3 Really Low 09:46:59 - 10:16:59 15083
Manson/Chelan 10:01:59 -13.9 AT Up 18.8 218.0 Really Low 09:46:59 - 10:16:59 15075
Entiat 10:01:58 -14.2 AT Up 19.0 218.0 Really Low 09:46:58 - 10:16:58 15065
Wenatchee 10:01:59 -14.4 AT Up 19.3 218.0 Really Low 09:46:59 - 10:16:59 15052
Ellensburg 10:01:58 -14.9 AT Up 19.7 217.9 Really Low 09:46:58 - 10:16:58 15032
Yakima 10:01:57 -15.2 AT Up 20.0 217.9 Low 09:46:57 - 10:16:57 15011
Toppenish/White Swan 10:01:57 -15.4 AT Up 20.1 218.1 Low 09:46:57 - 10:16:57 14998
Pasco 10:01:53 -15.1 AT Up 19.7 219.3 Really Low 09:46:53 - 10:16:53 14981
Goldendale 10:01:57 -16.0 AT Up 20.7 217.9 Low 09:46:57 - 10:16:57 14971
PNWRO 10:01:52 -15.2 AT Up 19.8 219.6 Really Low 09:46:52 - 10:16:52 14966
George/Umatilla 10:01:53 -15.4 AT Up 20.0 219.2 Low 09:46:53 - 10:16:53 14965
The Dalles 10:01:57 -16.3 AT Up 21.1 217.6 Low 09:46:57 - 10:16:57 14961
Maupin 10:01:55 -16.6 AT Up 21.4 217.8 Low 09:46:55 - 10:16:55 14938
Madras/Culver 10:01:55 -17.1 AT Up 21.8 217.9 Low 09:46:55 - 10:16:55 14907
Sisters 10:01:55 -17.6 AT Up 22.3 217.5 Low 09:46:55 - 10:16:55 14892
Redmond 10:01:55 -17.5 AT Up 22.1 217.9 Low 09:46:55 - 10:16:55 14887
Bend 10:01:54 -17.7 AT Up 22.4 217.8 Low 09:46:54 - 10:16:54 14876
Oregon Observatory 10:01:55 -17.9 AT Up 22.6 217.7 Low 09:46:55 - 10:16:55 14867
La Pine/Gilchrist 10:01:53 -18.1 Dark Up 22.7 217.7 Low 09:46:53 - 10:16:53 14855
North Lake 10:01:52 -18.3 Dark Up 22.8 218.4 Low 09:46:52 - 10:16:52 14825
Chiloquin 10:01:52 -19.2 Dark Up 23.8 217.7 Low 09:46:52 - 10:16:52 14793
Paisley 10:01:49 -18.7 Dark Up 23.1 218.9 Low 09:46:49 - 10:16:49 14790
Klamath Falls 10:01:52 -19.5 Dark Up 24.0 217.9 Low 09:46:52 - 10:16:52 14771
Lakeview 10:01:48 -19.0 Dark Up 23.4 219.2 Low 09:46:48 - 10:16:48 14757
Tulelake 10:01:50 -19.6 Dark Up 24.1 218.2 Low 09:46:50 - 10:16:50 14753
Cedarville 10:01:46 -19.6 Dark Up 23.8 219.5 Low 09:46:46 - 10:16:46 14716
Fall River/Burney 10:01:49 -20.4 Dark Up 24.8 218.5 Low 09:46:49 - 10:16:49 14696
Susanville 10:01:45 -20.7 Dark Up 24.9 219.4 Low 09:46:45 - 10:16:45 14650
Greenville 10:01:46 -21.1 Dark Up 25.3 219.2 Low 09:46:46 - 10:16:46 14635
Gimple 10:01:45 -21.0 Dark Up 25.2 219.3 Low 09:46:45 - 10:16:45 14634
Quincy 10:01:45 -21.2 Dark Up 25.4 219.3 Low 09:46:45 - 10:16:45 14622
Portola 10:01:43 -21.2 Dark Up 25.3 219.7 Low 09:46:43 - 10:16:43 14610
Reno 10:01:41 -21.2 Dark Up 25.2 220.4 Low 09:46:41 - 10:16:41 14587
Carson City 10:01:41 -21.5 Dark Up 25.4 220.5 Low 09:46:41 - 10:16:41 14563
Gardnerville 10:01:40 -21.7 Dark Up 25.6 220.7 Low 09:46:40 - 10:16:40 14547
Yerington 10:01:39 -21.4 Dark Up 25.3 221.2 Low 09:46:39 - 10:16:39 14545
Hawthorne 10:01:36 -21.6 Dark Up 25.4 221.8 Low 09:46:36 - 10:16:36 14509
Lee Vining 10:01:37 -22.3 Dark Up 26.0 221.5 Low 09:46:37 - 10:16:37 14476
Tonopah 10:01:31 -21.4 Dark Up 25.0 223.2 Low 09:46:31 - 10:16:31 14464
Niwot 10:01:05 -14.2 AT Up 16.7 232.5 Really Low 09:46:05 - 10:16:05 14458
Bishop 10:01:33 -22.5 Dark Up 26.1 222.4 Low 09:46:33 - 10:16:33 14428
Beatty 10:01:27 -22.2 Dark Up 25.6 223.9 Low 09:46:27 - 10:16:27 14380
Lone Pine 10:01:30 -23.0 Dark Up 26.5 222.9 Low 09:46:30 - 10:16:30 14373
Indian Springs 10:01:24 -22.0 Dark Up 25.2 225.0 Low 09:46:24 - 10:16:24 14346
CPSLO 10:01:36 -25.2 Dark Up 28.8 221.0 Low 09:46:36 - 10:16:36 14306
Henderson 10:01:21 -22.2 Dark Up 25.2 225.7 Low 09:46:21 - 10:16:21 14301
Searchlight/Boulder City 10:01:19 -22.6 Dark Up 25.5 226.0 Low 09:46:19 - 10:16:19 14259
Patrick 10:01:17 -22.2 Dark Up 25.0 226.9 Low 09:46:17 - 10:16:17 14244
Laughlin/Bullhead City 10:01:18 -22.7 Dark Up 25.5 226.4 Low 09:46:18 - 10:16:18 14234
Kingman/Dolan Springs 10:01:16 -22.4 Dark Up 25.2 226.8 Low 09:46:16 - 10:16:16 14230
Mohave Valley 10:01:18 -22.9 Dark Up 25.7 226.5 Low 09:46:18 - 10:16:18 14214
DCO 10:01:15 -22.1 Dark Up 24.7 227.6 Low 09:46:15 - 10:16:15 14213
Wildwood 10:01:28 -25.4 Dark Up 28.6 223.3 Low 09:46:28 - 10:16:28 14199
Lake Havasu City 10:01:16 -23.1 Dark Up 25.9 226.8 Low 09:46:16 - 10:16:16 14182
Parker 10:01:16 -23.4 Dark Up 26.1 227.0 Low 09:46:16 - 10:16:16 14156
Idyllwild 10:01:22 -24.9 Dark Up 27.8 225.1 Low 09:46:22 - 10:16:22 14153
Blythe 10:01:15 -24.0 Dark Up 26.6 226.9 Low 09:46:15 - 10:16:15 14121
Calipatria 10:01:18 -24.8 Dark Up 27.5 226.3 Low 09:46:18 - 10:16:18 14095
Yuma 10:01:14 -24.8 Dark Up 27.3 227.2 Low 09:46:14 - 10:16:14 14052

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 01KO77, (2019/06/26 10:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.89 125
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.51 118
PPM 233599     17:47:36.7 -14:43:33  5.9  0.63 109
PPM 233690     17:52:04.2 -15:01:34  8.2  0.57 108
PPM 233642     17:50:10.3 -15:11:47  9.2  0.14 109
01KO77         17:49:44.2 -15:05:53 14.8       109
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:20:30 UT

Marc W. Buie, Southwest Research Institute

RECON