RECON: TNO occultation with 13JZ64

Event between 13JZ64 and star UC4-382-073664 with event index number of 218691

Geocentric closest approach at 2018/06/22 06:09:35 UTC

J2000 position of star is 16:28:23.1 -13:46:20
Equinox of date position of star is 16:29:23.7 -13:48:40
Stellar brightness R=14.1, use SENSEUP=64
Star is 44 degrees from the moon. Moon is 69% illuminated.
TNO apparent brightness V=24.0

[RECON map]
TNO is 30.3 AU from the Sun and 29.3 AU from the Earth.
The TNO is moving 21.1 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 438 seconds.
The 1-sigma cross-track error in the shadow position is 4541 km.
The sky-plane scale is 21269.4 km/arcsec.

The TNO has an absolute magnitude Hv=9.2
Diameter=88.7 km assuming a 5% albedo -- 4.2 sec chord
Diameter=36.2 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 13JZ64, (2018/06/22 06:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.6 -26:28:17  0.9 12.66  48
13Zet Oph      16:38:10.7 -10:36:11  2.6  3.86  46
PPM 231511     16:20:03.1 -14:54:59  5.8  2.52  42
PPM 231752     16:30:28.1 -13:36:35  7.1  0.32  45
PPM 231731     16:29:16.8 -13:51:33  9.1  0.06  44
13JZ64         16:29:25.5 -13:48:44 14.1        45
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 2.1 sigma about the mid-time.
The median site spacing is 16.1 km RECON observability=0.9 and success probability=4.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 06:10:01 -13.6 AT Up 27.2 176.0 Low 05:55:01 - 06:25:01 5891
Tonasket 06:10:01 -13.8 AT Up 27.4 176.0 Low 05:55:01 - 06:25:01 5879
Okanogan 06:10:01 -14.1 AT Up 27.8 175.8 Low 05:55:01 - 06:25:01 5861
Brewster 06:10:02 -14.3 AT Up 28.0 175.6 Low 05:55:02 - 06:25:02 5846
Manson/Chelan 06:10:03 -14.3 AT Up 28.2 175.2 Low 05:55:03 - 06:25:03 5833
Entiat 06:10:04 -14.5 AT Up 28.4 175.1 Low 05:55:04 - 06:25:04 5821
Wenatchee 06:10:04 -14.7 AT Up 28.7 175.0 Low 05:55:04 - 06:25:04 5807
Ellensburg 06:10:05 -15.0 AT Up 29.1 174.7 Low 05:55:05 - 06:25:05 5783
Yakima 06:10:05 -15.4 AT Up 29.5 174.7 Low 05:55:05 - 06:25:05 5761
Toppenish/White Swan 06:10:04 -15.6 AT Up 29.7 174.9 Low 05:55:04 - 06:25:04 5750
Pasco 06:10:00 -16.1 AT Up 29.9 176.3 Low 05:55:00 - 06:25:00 5749
PNWRO 06:09:59 -16.4 AT Up 30.2 176.5 Up 05:54:59 - 06:24:59 5737
George/Umatilla 06:10:01 -16.3 AT Up 30.2 176.0 Up 05:55:01 - 06:25:01 5730
Goldendale 06:10:06 -16.0 AT Up 30.2 174.4 Up 05:55:06 - 06:25:06 5716
The Dalles 06:10:07 -16.1 AT Up 30.4 173.9 Up 05:55:07 - 06:25:07 5702
Maupin 06:10:07 -16.5 AT Up 30.9 174.0 Up 05:55:07 - 06:25:07 5678
Madras/Culver 06:10:07 -16.9 AT Up 31.4 174.0 Up 05:55:07 - 06:25:07 5646
Redmond 06:10:07 -17.2 AT Up 31.8 173.9 Up 05:55:07 - 06:25:07 5625
Sisters 06:10:09 -17.1 AT Up 31.7 173.4 Up 05:55:09 - 06:25:09 5624
Bend 06:10:08 -17.4 AT Up 32.0 173.7 Up 05:55:08 - 06:25:08 5611
Oregon Observatory 06:10:09 -17.5 AT Up 32.1 173.5 Up 05:55:09 - 06:25:09 5600
La Pine/Gilchrist 06:10:09 -17.6 AT Up 32.3 173.5 Up 05:55:09 - 06:25:09 5588
North Lake 06:10:07 -18.2 Dark Up 32.8 174.1 Up 05:55:07 - 06:25:07 5565
Paisley 06:10:06 -18.8 Dark Up 33.4 174.5 Up 05:55:06 - 06:25:06 5533
Chiloquin 06:10:11 -18.5 Dark Up 33.4 173.0 Up 05:55:11 - 06:25:11 5518
Lakeview 06:10:05 -19.4 Dark Up 33.9 174.7 Up 05:55:05 - 06:25:05 5503
Klamath Falls 06:10:11 -18.8 Dark Up 33.7 173.0 Up 05:55:11 - 06:25:11 5497
Tulelake 06:10:09 -19.2 Dark Up 34.0 173.4 Up 05:55:09 - 06:25:09 5482
Cedarville 06:10:05 -20.0 Dark Up 34.6 174.8 Up 05:55:05 - 06:25:05 5462
Fall River/Burney 06:10:09 -20.0 Dark Up 34.9 173.4 Up 05:55:09 - 06:25:09 5424
Niwot 06:09:05 -25.2 Dark Up 35.3 192.4 Up 05:54:05 - 06:24:05 5417
Susanville 06:10:06 -20.8 Dark Up 35.6 174.2 Up 05:55:06 - 06:25:06 5388
Gimple 06:10:07 -21.0 Dark Up 35.9 173.9 Up 05:55:07 - 06:25:07 5369
Greenville 06:10:07 -21.0 Dark Up 35.9 173.8 Up 05:55:07 - 06:25:07 5368
Quincy 06:10:07 -21.1 Dark Up 36.1 173.8 Up 05:55:07 - 06:25:07 5355
Portola 06:10:06 -21.4 Dark Up 36.2 174.4 Up 05:55:06 - 06:25:06 5349
Reno 06:10:03 -21.9 Dark Up 36.6 175.1 Up 05:55:03 - 06:25:03 5335
Carson City 06:10:03 -22.2 Dark Up 36.9 175.1 Up 05:55:03 - 06:25:03 5312
Yerington 06:10:00 -22.6 Dark Up 37.1 175.9 Up 05:55:00 - 06:25:00 5302
Gardnerville 06:10:03 -22.4 Dark Up 37.2 175.2 Up 05:55:03 - 06:25:03 5295
Hawthorne 06:09:58 -23.2 Dark Up 37.6 176.5 Up 05:54:58 - 06:24:58 5274
Tonopah 06:09:52 -24.1 Dark Up 38.2 178.2 Up 05:54:52 - 06:24:52 5249
Lee Vining 06:10:00 -23.5 Dark Up 38.2 175.9 Up 05:55:00 - 06:25:00 5232
Bishop 06:09:57 -24.3 Dark Up 38.8 176.7 Up 05:54:57 - 06:24:57 5195
Beatty 06:09:50 -25.3 Dark Up 39.3 178.7 Up 05:54:50 - 06:24:50 5171
Indian Springs 06:09:46 -26.0 Dark Up 39.7 180.1 Up 05:54:46 - 06:24:46 5152
Lone Pine 06:09:56 -25.1 Dark Up 39.6 177.1 Up 05:54:56 - 06:24:56 5143
Henderson 06:09:44 -26.7 Dark Up 40.2 180.9 Up 05:54:44 - 06:24:44 5117
Patrick 06:09:38 -27.6 Dark Up 40.8 182.4 Up 05:54:38 - 06:24:38 5077
Searchlight/Boulder City 06:09:43 -27.2 Dark Up 40.8 181.0 Up 05:54:43 - 06:24:43 5076
Kingman/Dolan Springs 06:09:39 -27.7 Dark Up 41.0 182.1 Up 05:54:39 - 06:24:39 5060
DCO 06:09:36 -28.1 Dark Up 41.1 183.3 Up 05:54:36 - 06:24:36 5057
Laughlin/Bullhead City 06:09:42 -27.6 Dark Up 41.0 181.5 Up 05:54:42 - 06:24:42 5056
Mohave Valley 06:09:42 -27.8 Dark Up 41.3 181.5 Up 05:54:42 - 06:24:42 5036
CPSLO 06:10:07 -25.3 Dark Up 40.7 173.8 Up 05:55:07 - 06:25:07 5035
Lake Havasu City 06:09:40 -28.3 Dark Up 41.7 181.8 Up 05:54:40 - 06:24:40 5008
Parker 06:09:40 -28.6 Dark Up 42.1 181.9 Up 05:54:40 - 06:24:40 4982
Wildwood 06:09:58 -27.2 Dark Up 42.1 176.3 Up 05:54:58 - 06:24:58 4958
Blythe 06:09:41 -29.0 Dark Up 42.6 181.5 Up 05:54:41 - 06:24:41 4942
Idyllwild 06:09:51 -28.2 Dark Up 42.5 178.7 Up 05:54:51 - 06:24:51 4941
Calipatria 06:09:45 -29.1 Dark Up 43.1 180.3 Up 05:54:45 - 06:24:45 4901
Yuma 06:09:41 -29.8 Dark Up 43.5 181.4 Up 05:54:41 - 06:24:41 4872

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 13JZ64, (2018/06/22 06:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 12.66  48
13Zet Oph      16:37:09.6 -10:34:01  2.6  3.86  46
PPM 231511     16:19:00.4 -14:52:22  5.8  2.52  42
PPM 231752     16:29:25.8 -13:34:13  7.1  0.32  45
PPM 231731     16:28:14.4 -13:49:09  9.1  0.06  44
13JZ64         16:28:23.1 -13:46:20 14.1        44
Positions are for J2000

Event circumstances last updated at 2017/12/04 18:46:37 UT

Marc W. Buie, Southwest Research Institute

RECON