RECON: TNO occultation with 11HZ102

Event between 11HZ102 and star UC4-347-169969 with event index number of 117592

Geocentric closest approach at 2018/06/04 07:41:09 UTC

J2000 position of star is 19:09:50.2 -20:36:34
Equinox of date position of star is 19:10:53.9 -20:34:45
Stellar brightness R=15.7, use SENSEUP=128
Star is 30 degrees from the moon. Moon is 73% illuminated.
TNO apparent brightness V=25.6

[RECON map]
TNO is 43.1 AU from the Sun and 42.3 AU from the Earth.
The TNO is moving 20.0 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 512 seconds.
The 1-sigma cross-track error in the shadow position is 2818 km.
The sky-plane scale is 30671.9 km/arcsec.

The TNO has an absolute magnitude Hv=9.2
Diameter=86.3 km assuming a 5% albedo -- 4.3 sec chord
Diameter=35.2 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 11HZ102, (2018/06/04 07:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.4 -26:28:17  0.9 37.09  67
Nunki          18:56:24.4 -26:16:20  2.0  6.60  34
PPM 235581     19:10:53.3 -19:46:23  6.4  0.81  30
PPM 269408     19:11:36.8 -20:38:23  8.3  0.17  30
PPM 269396     19:10:56.5 -20:25:12  8.6  0.16  30
11HZ102        19:10:55.6 -20:34:42 15.7        30
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 1.8 sigma about the mid-time.
The median site spacing is 11.0 km RECON observability=0.4 and success probability=0.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:42:49 -18.6 Dark Down 12.5 143.4 Really Low 07:27:49 - 07:57:49 10179
Tonasket 07:42:51 -18.8 Dark Down 12.7 143.4 Really Low 07:27:51 - 07:57:51 10170
Okanogan 07:42:52 -19.1 Dark Down 12.9 143.2 Really Low 07:27:52 - 07:57:52 10155
Brewster 07:42:53 -19.4 Dark Down 13.0 143.0 Really Low 07:27:53 - 07:57:53 10141
Manson/Chelan 07:42:55 -19.6 Dark Down 13.0 142.6 Really Low 07:27:55 - 07:57:55 10129
Entiat 07:42:56 -19.8 Dark Down 13.2 142.5 Really Low 07:27:56 - 07:57:56 10119
Wenatchee 07:42:56 -20.1 Dark Down 13.3 142.4 Really Low 07:27:56 - 07:57:56 10107
Ellensburg 07:42:59 -20.5 Dark Down 13.6 142.2 Really Low 07:27:59 - 07:57:59 10087
Pasco 07:42:56 -21.3 Dark Up 14.8 143.3 Really Low 07:27:56 - 07:57:56 10069
Yakima 07:42:59 -20.9 Dark Up 13.9 142.1 Really Low 07:27:59 - 07:57:59 10069
Toppenish/White Swan 07:43:00 -21.1 Dark Up 14.1 142.2 Really Low 07:28:00 - 07:58:00 10061
PNWRO 07:42:56 -21.5 Dark Up 15.1 143.4 Really Low 07:27:56 - 07:57:56 10061
George/Umatilla 07:42:57 -21.6 Dark Up 14.9 143.0 Really Low 07:27:57 - 07:57:57 10052
Goldendale 07:43:01 -21.6 Dark Up 14.4 141.8 Really Low 07:28:01 - 07:58:01 10032
The Dalles 07:43:04 -21.8 Dark Up 14.4 141.4 Really Low 07:28:04 - 07:58:04 10017
Maupin 07:43:05 -22.2 Dark Up 14.8 141.5 Really Low 07:28:05 - 07:58:05 9999
Madras/Culver 07:43:07 -22.8 Dark Up 15.2 141.3 Really Low 07:28:07 - 07:58:07 9973
Redmond 07:43:08 -23.1 Dark Up 15.5 141.2 Really Low 07:28:08 - 07:58:08 9955
Sisters 07:43:09 -23.1 Dark Up 15.3 140.9 Really Low 07:28:09 - 07:58:09 9951
Bend 07:43:09 -23.3 Dark Up 15.6 141.1 Really Low 07:28:09 - 07:58:09 9943
Oregon Observatory 07:43:11 -23.5 Dark Up 15.6 140.9 Really Low 07:28:11 - 07:58:11 9933
La Pine/Gilchrist 07:43:11 -23.7 Dark Up 15.8 140.9 Really Low 07:28:11 - 07:58:11 9922
North Lake 07:43:10 -24.2 Dark Up 16.4 141.3 Really Low 07:28:10 - 07:58:10 9908
Paisley 07:43:10 -24.8 Dark Up 17.0 141.5 Really Low 07:28:10 - 07:58:10 9884
Niwot 07:42:22 -26.6 Dark Up 25.2 154.8 Low 07:27:22 - 07:57:22 9876
Chiloquin 07:43:14 -24.8 Dark Up 16.5 140.4 Really Low 07:28:14 - 07:58:14 9862
Lakeview 07:43:11 -25.3 Dark Up 17.5 141.6 Really Low 07:28:11 - 07:58:11 9861
Klamath Falls 07:43:16 -25.1 Dark Up 16.8 140.4 Really Low 07:28:16 - 07:58:16 9845
Tulelake 07:43:15 -25.4 Dark Up 17.1 140.6 Really Low 07:28:15 - 07:58:15 9835
Cedarville 07:43:11 -25.9 Dark Up 18.1 141.6 Really Low 07:28:11 - 07:58:11 9828
Fall River/Burney 07:43:18 -26.3 Dark Up 17.9 140.5 Really Low 07:28:18 - 07:58:18 9788
Susanville 07:43:16 -27.0 Dark Up 18.7 141.0 Really Low 07:28:16 - 07:58:16 9763
Gimple 07:43:18 -27.3 Dark Up 18.8 140.7 Really Low 07:28:18 - 07:58:18 9745
Greenville 07:43:18 -27.3 Dark Up 18.8 140.7 Really Low 07:28:18 - 07:58:18 9744
Quincy 07:43:18 -27.5 Dark Up 19.0 140.6 Really Low 07:28:18 - 07:58:18 9733
Portola 07:43:17 -27.6 Dark Up 19.3 141.0 Really Low 07:28:17 - 07:58:17 9732
Reno 07:43:16 -27.9 Dark Up 19.8 141.5 Really Low 07:28:16 - 07:58:16 9725
Carson City 07:43:18 -28.3 Dark Up 20.1 141.4 Low 07:28:18 - 07:58:18 9705
Yerington 07:43:16 -28.5 Dark Up 20.6 141.9 Low 07:28:16 - 07:58:16 9701
Gardnerville 07:43:17 -28.5 Dark Up 20.3 141.4 Low 07:28:17 - 07:58:17 9692
Hawthorne 07:43:14 -29.0 Dark Up 21.2 142.3 Low 07:28:14 - 07:58:14 9681
Tonopah 07:43:10 -29.5 Dark Up 22.2 143.4 Low 07:28:10 - 07:58:10 9670
Lee Vining 07:43:17 -29.5 Dark Up 21.4 141.7 Low 07:28:17 - 07:58:17 9643
Bishop 07:43:16 -30.2 Dark Up 22.2 142.2 Low 07:28:16 - 07:58:16 9616
Beatty 07:43:12 -30.7 Dark Up 23.4 143.5 Low 07:28:12 - 07:58:12 9607
Indian Springs 07:43:08 -31.0 Dark Up 24.1 144.3 Low 07:28:08 - 07:58:08 9599
Lone Pine 07:43:18 -30.9 Dark Up 23.0 142.3 Low 07:28:18 - 07:58:18 9574
Henderson 07:43:07 -31.5 Dark Up 24.9 144.8 Low 07:28:07 - 07:58:07 9573
Patrick 07:43:03 -32.1 Dark Up 25.9 145.6 Low 07:28:03 - 07:58:03 9546
Searchlight/Boulder City 07:43:08 -32.1 Dark Up 25.4 144.7 Low 07:28:08 - 07:58:08 9539
DCO 07:43:02 -32.4 Dark Up 26.5 146.2 Low 07:28:02 - 07:58:02 9534
Kingman/Dolan Springs 07:43:05 -32.3 Dark Up 26.0 145.4 Low 07:28:05 - 07:58:05 9530
Laughlin/Bullhead City 07:43:07 -32.4 Dark Up 25.8 144.9 Low 07:28:07 - 07:58:07 9524
Mohave Valley 07:43:08 -32.6 Dark Up 26.0 144.9 Low 07:28:08 - 07:58:08 9507
Lake Havasu City 07:43:07 -33.0 Dark Up 26.5 145.0 Low 07:28:07 - 07:58:07 9484
CPSLO 07:43:29 -32.1 Dark Up 22.7 139.8 Low 07:28:29 - 07:58:29 9463
Parker 07:43:08 -33.4 Dark Up 26.8 144.9 Low 07:28:08 - 07:58:08 9462
Blythe 07:43:10 -33.9 Dark Up 27.0 144.5 Low 07:28:10 - 07:58:10 9425
Wildwood 07:43:24 -33.4 Dark Up 24.7 141.2 Low 07:28:24 - 07:58:24 9412
Idyllwild 07:43:19 -33.8 Dark Up 25.9 142.7 Low 07:28:19 - 07:58:19 9410
Calipatria 07:43:15 -34.4 Dark Up 27.0 143.5 Low 07:28:15 - 07:58:15 9384
Yuma 07:43:12 -34.9 Dark Up 27.8 144.2 Low 07:28:12 - 07:58:12 9365

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 11HZ102, (2018/06/04 07:41UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 37.09  67
Nunki          18:55:15.9 -26:17:49  2.0  6.60  34
PPM 235581     19:09:48.2 -19:48:15  6.4  0.81  30
PPM 269408     19:10:31.4 -20:40:16  8.3  0.17  30
PPM 269396     19:09:51.1 -20:27:04  8.6  0.16  30
11HZ102        19:09:50.2 -20:36:34 15.7        30
Positions are for J2000

Event circumstances last updated at 2017/12/04 18:42:26 UT

Marc W. Buie, Southwest Research Institute

RECON