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 19:10:52.7 -20:34:47
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 10.8 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 10182
Tonasket 07:42:50 -18.8 Dark Down 12.7 143.3 Really Low 07:27:50 - 07:57:50 10173
Okanogan 07:42:51 -19.1 Dark Down 12.9 143.2 Really Low 07:27:51 - 07:57:51 10158
Brewster 07:42:52 -19.4 Dark Down 13.0 143.0 Really Low 07:27:52 - 07:57:52 10144
Manson/Chelan 07:42:54 -19.6 Dark Down 13.0 142.6 Really Low 07:27:54 - 07:57:54 10132
Entiat 07:42:55 -19.8 Dark Down 13.2 142.5 Really Low 07:27:55 - 07:57:55 10122
Wenatchee 07:42:56 -20.1 Dark Down 13.3 142.4 Really Low 07:27:56 - 07:57:56 10110
Ellensburg 07:42:58 -20.5 Dark Down 13.6 142.2 Really Low 07:27:58 - 07:57:58 10090
Pasco 07:42:56 -21.3 Dark Up 14.8 143.3 Really Low 07:27:56 - 07:57:56 10072
Yakima 07:42:59 -20.9 Dark Up 13.9 142.1 Really Low 07:27:59 - 07:57:59 10072
Toppenish/White Swan 07:42:59 -21.1 Dark Up 14.1 142.2 Really Low 07:27:59 - 07:57:59 10064
PNWRO 07:42:54 -21.5 Dark Up 15.0 143.4 Really Low 07:27:54 - 07:57:54 10064
George/Umatilla 07:42:57 -21.6 Dark Up 14.9 143.0 Really Low 07:27:57 - 07:57:57 10055
Goldendale 07:43:01 -21.6 Dark Up 14.4 141.8 Really Low 07:28:01 - 07:58:01 10035
The Dalles 07:43:04 -21.8 Dark Up 14.4 141.4 Really Low 07:28:04 - 07:58:04 10020
Maupin 07:43:04 -22.2 Dark Up 14.8 141.5 Really Low 07:28:04 - 07:58:04 10002
Madras/Culver 07:43:05 -22.8 Dark Up 15.2 141.3 Really Low 07:28:05 - 07:58:05 9976
Redmond 07:43:07 -23.1 Dark Up 15.5 141.2 Really Low 07:28:07 - 07:58:07 9959
Sisters 07:43:07 -23.1 Dark Up 15.3 140.9 Really Low 07:28:07 - 07:58:07 9955
Bend 07:43:07 -23.3 Dark Up 15.6 141.1 Really Low 07:28:07 - 07:58:07 9947
Oregon Observatory 07:43:08 -23.5 Dark Up 15.6 140.9 Really Low 07:28:08 - 07:58:08 9937
La Pine/Gilchrist 07:43:09 -23.7 Dark Up 15.8 140.9 Really Low 07:28:09 - 07:58:09 9927
North Lake 07:43:08 -24.2 Dark Up 16.4 141.3 Really Low 07:28:08 - 07:58:08 9912
Paisley 07:43:08 -24.7 Dark Up 17.0 141.5 Really Low 07:28:08 - 07:58:08 9889
Niwot 07:42:20 -26.6 Dark Up 25.2 154.8 Low 07:27:20 - 07:57:20 9880
Chiloquin 07:43:14 -24.8 Dark Up 16.5 140.4 Really Low 07:28:14 - 07:58:14 9866
Lakeview 07:43:10 -25.3 Dark Up 17.5 141.6 Really Low 07:28:10 - 07:58:10 9865
Klamath Falls 07:43:14 -25.1 Dark Up 16.8 140.4 Really Low 07:28:14 - 07:58:14 9850
Tulelake 07:43:14 -25.4 Dark Up 17.1 140.6 Really Low 07:28:14 - 07:58:14 9839
Cedarville 07:43:11 -25.9 Dark Up 18.1 141.6 Really Low 07:28:11 - 07:58:11 9833
Fall River/Burney 07:43:16 -26.3 Dark Up 17.9 140.5 Really Low 07:28:16 - 07:58:16 9792
Susanville 07:43:16 -27.0 Dark Up 18.7 141.0 Really Low 07:28:16 - 07:58:16 9767
Gimple 07:43:18 -27.3 Dark Up 18.8 140.7 Really Low 07:28:18 - 07:58:18 9749
Greenville 07:43:18 -27.3 Dark Up 18.8 140.7 Really Low 07:28:18 - 07:58:18 9748
Quincy 07:43:17 -27.5 Dark Up 19.0 140.6 Really Low 07:28:17 - 07:58:17 9737
Portola 07:43:17 -27.6 Dark Up 19.3 141.0 Really Low 07:28:17 - 07:58:17 9736
Reno 07:43:15 -27.9 Dark Up 19.8 141.5 Really Low 07:28:15 - 07:58:15 9729
Carson City 07:43:15 -28.3 Dark Up 20.1 141.4 Low 07:28:15 - 07:58:15 9709
Yerington 07:43:14 -28.5 Dark Up 20.5 141.9 Low 07:28:14 - 07:58:14 9706
Gardnerville 07:43:16 -28.5 Dark Up 20.3 141.4 Low 07:28:16 - 07:58:16 9696
Hawthorne 07:43:13 -29.0 Dark Up 21.2 142.3 Low 07:28:13 - 07:58:13 9685
Tonopah 07:43:09 -29.5 Dark Up 22.2 143.4 Low 07:28:09 - 07:58:09 9675
Lee Vining 07:43:15 -29.5 Dark Up 21.4 141.7 Low 07:28:15 - 07:58:15 9648
Bishop 07:43:15 -30.2 Dark Up 22.2 142.2 Low 07:28:15 - 07:58:15 9620
Beatty 07:43:10 -30.7 Dark Up 23.3 143.5 Low 07:28:10 - 07:58:10 9611
Indian Springs 07:43:07 -31.0 Dark Up 24.1 144.3 Low 07:28:07 - 07:58:07 9602
Lone Pine 07:43:16 -30.9 Dark Up 23.0 142.3 Low 07:28:16 - 07:58:16 9579
Henderson 07:43:06 -31.5 Dark Up 24.9 144.8 Low 07:28:06 - 07:58:06 9577
Patrick 07:43:03 -32.1 Dark Up 25.9 145.6 Low 07:28:03 - 07:58:03 9549
Searchlight/Boulder City 07:43:07 -32.1 Dark Up 25.4 144.7 Low 07:28:07 - 07:58:07 9543
DCO 07:43:01 -32.4 Dark Up 26.5 146.2 Low 07:28:01 - 07:58:01 9537
Kingman/Dolan Springs 07:43:04 -32.3 Dark Up 26.0 145.4 Low 07:28:04 - 07:58:04 9534
Laughlin/Bullhead City 07:43:06 -32.4 Dark Up 25.8 144.9 Low 07:28:06 - 07:58:06 9527
Mohave Valley 07:43:07 -32.6 Dark Up 26.0 144.9 Low 07:28:07 - 07:58:07 9510
Lake Havasu City 07:43:06 -33.0 Dark Up 26.5 145.0 Low 07:28:06 - 07:58:06 9487
CPSLO 07:43:27 -32.1 Dark Up 22.7 139.8 Low 07:28:27 - 07:58:27 9466
Parker 07:43:07 -33.4 Dark Up 26.8 144.9 Low 07:28:07 - 07:58:07 9465
Blythe 07:43:09 -33.9 Dark Up 27.0 144.5 Low 07:28:09 - 07:58:09 9428
Wildwood 07:43:23 -33.4 Dark Up 24.7 141.2 Low 07:28:23 - 07:58:23 9415
Idyllwild 07:43:17 -33.8 Dark Up 25.9 142.7 Low 07:28:17 - 07:58:17 9415
Calipatria 07:43:14 -34.4 Dark Up 27.0 143.5 Low 07:28:14 - 07:58:14 9387
Yuma 07:43:11 -34.9 Dark Up 27.8 144.2 Low 07:28:11 - 07:58:11 9367

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 2017/08/02 16:52:56 UT

Marc W. Buie, Southwest Research Institute

RECON