RECON: TNO occultation with 06HT122

Event between 06HT122 and star GA0760:05394457 with event index number of 126776

Geocentric closest approach at 2018/06/29 08:05:52 UTC

J2000 position of star is 15:49:41.6 -13:06:59
Equinox of date position of star is 15:50:43.1 -13:10:17
Stellar brightness G=15.5, use SENSEUP=128
Star is 52 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=23.5

[RECON map]
TNO is 40.5 AU from the Sun and 39.7 AU from the Earth.
The TNO is moving 18.3 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 905 seconds.
The 1-sigma cross-track error in the shadow position is 5345 km.
The sky-plane scale is 28796.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=198.6 km assuming a 5% albedo -- 10.9 sec chord
Diameter=81.1 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 06HT122, (2018/06/29 08:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.6 -26:28:17  0.9 16.25  41
8Bet1Sco       16:06:30.9 -19:51:17  2.6  7.68  47
PPM 230856     15:52:40.5 -14:11:17  6.2  1.12  51
PPM 230775     15:49:26.9 -13:33:18  6.9  0.49  52
PPM 230830     15:51:39.5 -13:08:40  9.7  0.23  52
06HT122        15:50:43.3 -13:10:18 15.5        52
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.
The median site spacing is 16.4 km RECON observability=0.8 and success probability=1.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 08:03:57 -17.2 AT Up 17.6 222.5 Really Low 07:48:57 - 08:18:57 12929
Oroville 08:03:54 -17.8 AT Up 18.0 222.7 Really Low 07:48:54 - 08:18:54 12898
Tonasket 08:03:54 -18.1 Dark Up 18.1 222.7 Really Low 07:48:54 - 08:18:54 12886
Okanogan 08:03:53 -18.4 Dark Up 18.4 222.7 Really Low 07:48:53 - 08:18:53 12870
Brewster 08:03:53 -18.7 Dark Up 18.7 222.6 Really Low 07:48:53 - 08:18:53 12857
Manson/Chelan 08:03:53 -18.9 Dark Up 19.1 222.3 Really Low 07:48:53 - 08:18:53 12848
Entiat 08:03:53 -19.1 Dark Up 19.2 222.3 Really Low 07:48:53 - 08:18:53 12837
Wenatchee 08:03:52 -19.4 Dark Up 19.5 222.2 Really Low 07:48:52 - 08:18:52 12824
Ellensburg 08:03:53 -19.8 Dark Up 19.9 222.1 Really Low 07:48:53 - 08:18:53 12803
Yakima 08:03:50 -20.2 Dark Up 20.2 222.2 Low 07:48:50 - 08:18:50 12781
Toppenish/White Swan 08:03:49 -20.4 Dark Up 20.3 222.4 Low 07:48:49 - 08:18:49 12768
Pasco 08:03:44 -20.5 Dark Up 19.8 223.6 Really Low 07:48:44 - 08:18:44 12755
PNWRO 08:03:42 -20.8 Dark Up 19.9 223.8 Really Low 07:48:42 - 08:18:42 12740
Goldendale 08:03:49 -21.0 Dark Up 20.9 222.1 Low 07:48:49 - 08:18:49 12740
George/Umatilla 08:03:45 -20.9 Dark Up 20.1 223.5 Low 07:48:45 - 08:18:45 12738
The Dalles 08:03:49 -21.2 Dark Up 21.2 221.9 Low 07:48:49 - 08:18:49 12729
Maupin 08:03:48 -21.6 Dark Up 21.5 222.1 Low 07:48:48 - 08:18:48 12705
Madras/Culver 08:03:46 -22.1 Dark Up 21.9 222.2 Low 07:48:46 - 08:18:46 12674
Sisters 08:03:46 -22.5 Dark Up 22.4 221.9 Low 07:48:46 - 08:18:46 12657
Redmond 08:03:46 -22.5 Dark Up 22.2 222.2 Low 07:48:46 - 08:18:46 12654
Bend 08:03:46 -22.7 Dark Up 22.4 222.2 Low 07:48:46 - 08:18:46 12642
Oregon Observatory 08:03:46 -22.9 Dark Up 22.6 222.1 Low 07:48:46 - 08:18:46 12632
La Pine/Gilchrist 08:03:45 -23.1 Dark Up 22.8 222.1 Low 07:48:45 - 08:18:45 12621
North Lake 08:03:41 -23.5 Dark Up 22.9 222.7 Low 07:48:41 - 08:18:41 12592
Paisley 08:03:38 -24.1 Dark Up 23.1 223.2 Low 07:48:38 - 08:18:38 12557
Chiloquin 08:03:42 -24.2 Dark Up 23.8 222.1 Low 07:48:42 - 08:18:42 12556
Klamath Falls 08:03:41 -24.5 Dark Up 24.0 222.2 Low 07:48:41 - 08:18:41 12534
Lakeview 08:03:36 -24.6 Dark Up 23.4 223.5 Low 07:48:36 - 08:18:36 12525
Tulelake 08:03:39 -24.8 Dark Up 24.1 222.6 Low 07:48:39 - 08:18:39 12516
Cedarville 08:03:35 -25.3 Dark Up 23.7 223.9 Low 07:48:35 - 08:18:35 12483
Fall River/Burney 08:03:37 -25.7 Dark Up 24.7 222.9 Low 07:48:37 - 08:18:37 12459
Susanville 08:03:32 -26.4 Dark Up 24.8 223.8 Low 07:48:32 - 08:18:32 12415
Greenville 08:03:33 -26.6 Dark Up 25.2 223.6 Low 07:48:33 - 08:18:33 12399
Gimple 08:03:33 -26.6 Dark Up 25.1 223.7 Low 07:48:33 - 08:18:33 12398
Quincy 08:03:32 -26.8 Dark Up 25.3 223.7 Low 07:48:32 - 08:18:32 12386
Portola 08:03:30 -27.0 Dark Up 25.1 224.1 Low 07:48:30 - 08:18:30 12375
Reno 08:03:27 -27.2 Dark Up 25.0 224.8 Low 07:48:27 - 08:18:27 12354
Carson City 08:03:26 -27.6 Dark Up 25.2 224.9 Low 07:48:26 - 08:18:26 12330
Gardnerville 08:03:24 -27.8 Dark Up 25.4 225.1 Low 07:48:24 - 08:18:24 12314
Yerington 08:03:23 -27.8 Dark Up 25.0 225.6 Low 07:48:23 - 08:18:23 12314
Hawthorne 08:03:19 -28.2 Dark Up 25.1 226.2 Low 07:48:19 - 08:18:19 12280
Niwot 08:02:44 -25.2 Dark Up 16.0 236.6 Really Low 07:47:44 - 08:17:44 12273
Lee Vining 08:03:19 -28.8 Dark Up 25.7 225.9 Low 07:48:19 - 08:18:19 12244
Tonopah 08:03:13 -28.7 Dark Up 24.6 227.5 Low 07:48:13 - 08:18:13 12239
Bishop 08:03:16 -29.4 Dark Up 25.7 226.8 Low 07:48:16 - 08:18:16 12199
Beatty 08:03:09 -29.8 Dark Up 25.1 228.3 Low 07:48:09 - 08:18:09 12156
Lone Pine 08:03:13 -30.2 Dark Up 26.1 227.3 Low 07:48:13 - 08:18:13 12144
Indian Springs 08:03:03 -30.1 Dark Up 24.7 229.3 Low 07:48:03 - 08:18:03 12125
Henderson 08:03:01 -30.6 Dark Up 24.6 230.1 Low 07:48:01 - 08:18:01 12082
CPSLO 08:03:19 -31.5 Dark Up 28.5 225.5 Low 07:48:19 - 08:18:19 12067
Searchlight/Boulder City 08:02:58 -31.1 Dark Up 24.9 230.3 Low 07:47:58 - 08:17:58 12040
Patrick 08:02:54 -31.1 Dark Up 24.3 231.2 Low 07:47:54 - 08:17:54 12028
Laughlin/Bullhead City 08:02:58 -31.4 Dark Up 24.9 230.7 Low 07:47:58 - 08:17:58 12016
Kingman/Dolan Springs 08:02:54 -31.3 Dark Up 24.6 231.1 Low 07:47:54 - 08:17:54 12014
DCO 08:02:51 -31.3 Dark Up 24.1 231.8 Low 07:47:51 - 08:17:51 12000
Mohave Valley 08:02:55 -31.7 Dark Up 25.1 230.8 Low 07:47:55 - 08:17:55 11996
Wildwood 08:03:07 -32.7 Dark Up 28.1 227.8 Low 07:48:07 - 08:18:07 11966
Lake Havasu City 08:02:53 -32.0 Dark Up 25.2 231.1 Low 07:47:53 - 08:17:53 11965
Parker 08:02:51 -32.4 Dark Up 25.4 231.3 Low 07:47:51 - 08:17:51 11939
Idyllwild 08:03:00 -33.0 Dark Up 27.2 229.5 Low 07:48:00 - 08:18:00 11927
Blythe 08:02:51 -32.9 Dark Up 25.9 231.2 Low 07:47:51 - 08:17:51 11902
Calipatria 08:02:54 -33.5 Dark Up 26.8 230.7 Low 07:47:54 - 08:17:54 11872
Yuma 08:02:50 -33.9 Dark Up 26.5 231.6 Low 07:47:50 - 08:17:50 11833

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 06HT122, (2018/06/29 08:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.25  41
8Bet1Sco       16:05:26.2 -19:48:20  2.6  7.68  47
PPM 230856     15:51:38.4 -14:08:01  6.2  1.12  51
PPM 230775     15:48:25.0 -13:29:57  6.9  0.49  52
PPM 230830     15:50:37.8 -13:05:23  9.7  0.23  52
06HT122        15:49:41.6 -13:06:59 15.5        52
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:11:24 UT

Marc W. Buie, Southwest Research Institute

RECON