RECON: TNO occultation with 14JJ80

Event between 14JJ80 and star UC4-467-130010 with event index number of 136227

Geocentric closest approach at 2018/07/09 07:14:27 UTC

J2000 position of star is 21:28:54.0 +03:15:46
Equinox of date position of star is 21:29:47.3 +03:20:25
Stellar brightness R=16.3, use SENSEUP=128
Star is 90 degrees from the moon. Moon is 20% illuminated.
TNO apparent brightness V=21.0

[RECON map]
TNO is 32.5 AU from the Sun and 31.7 AU from the Earth.
The TNO is moving 18.2 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 201 seconds.
The 1-sigma cross-track error in the shadow position is 3048 km.
The sky-plane scale is 22983.7 km/arcsec.

The TNO has an absolute magnitude Hv=5.8
Diameter=413.1 km assuming a 5% albedo -- 22.7 sec chord
Diameter=168.6 km assuming a 30% albedo -- 9.3 sec chord
Dynamical classification is CENTAURS
 
 
 
 
 
 

Star training set for 14JJ80, (2018/07/09 07:14UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:40.2 -29:31:25  1.2 39.15  79
Markab         23:05:41.1 +15:18:19  2.5 26.45  65
25 Aqr         21:40:29.6 +02:19:40  6.5  2.85  88
PPM 171777     21:28:58.8 +03:15:41  7.9  0.23  90
PPM 171801     21:29:49.2 +03:16:20  9.7  0.07  90
14JJ80         21:29:50.1 +03:20:40 16.3        90
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 4.5 sigma about the mid-time.
The median site spacing is 19.9 km RECON observability=1.0 and success probability=8.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:17:14 -18.0 AT Down 30.3 124.9 Up 07:02:14 - 07:32:14 5039
Tonasket 07:17:14 -18.2 Dark Down 30.5 124.8 Up 07:02:14 - 07:32:14 5021
Okanogan 07:17:16 -18.5 Dark Down 30.6 124.5 Up 07:02:16 - 07:32:16 4995
Brewster 07:17:17 -18.8 Dark Down 30.6 124.1 Up 07:02:17 - 07:32:17 4974
Manson/Chelan 07:17:19 -18.9 Dark Down 30.6 123.7 Up 07:02:19 - 07:32:19 4958
Entiat 07:17:20 -19.1 Dark Down 30.6 123.5 Up 07:02:20 - 07:32:20 4941
Wenatchee 07:17:21 -19.4 Dark Down 30.7 123.3 Up 07:02:21 - 07:32:21 4921
Ellensburg 07:17:23 -19.7 Dark Down 30.8 122.9 Up 07:02:23 - 07:32:23 4889
Yakima 07:17:25 -20.1 Dark Down 31.0 122.7 Up 07:02:25 - 07:32:25 4856
Toppenish/White Swan 07:17:25 -20.4 Dark Down 31.3 122.7 Up 07:02:25 - 07:32:25 4839
Pasco 07:17:21 -20.7 Dark Down 32.1 123.9 Up 07:02:21 - 07:32:21 4826
PNWRO 07:17:21 -20.9 Dark Down 32.3 124.0 Up 07:02:21 - 07:32:21 4805
George/Umatilla 07:17:23 -21.0 Dark Down 32.1 123.5 Up 07:02:23 - 07:32:23 4799
Goldendale 07:17:28 -20.9 Dark Down 31.3 122.0 Up 07:02:28 - 07:32:28 4795
The Dalles 07:17:29 -21.0 Dark Down 31.2 121.6 Up 07:02:29 - 07:32:29 4777
Maupin 07:17:30 -21.4 Dark Down 31.5 121.5 Up 07:02:30 - 07:32:30 4743
Madras/Culver 07:17:32 -22.0 Dark Down 31.8 121.2 Up 07:02:32 - 07:32:32 4698
Sisters 07:17:35 -22.2 Dark Down 31.7 120.6 Up 07:02:35 - 07:32:35 4672
Redmond 07:17:33 -22.3 Dark Down 31.9 120.9 Up 07:02:33 - 07:32:33 4669
Bend 07:17:35 -22.5 Dark Down 32.0 120.7 Up 07:02:35 - 07:32:35 4651
Oregon Observatory 07:17:36 -22.6 Dark Down 32.0 120.5 Up 07:02:36 - 07:32:36 4637
La Pine/Gilchrist 07:17:36 -22.8 Dark Down 32.0 120.3 Up 07:02:36 - 07:32:36 4620
North Lake 07:17:36 -23.4 Dark Down 32.6 120.6 Up 07:02:36 - 07:32:36 4582
Paisley 07:17:36 -24.0 Dark Down 33.1 120.7 Up 07:02:36 - 07:32:36 4534
Chiloquin 07:17:41 -23.9 Dark Down 32.4 119.4 Up 07:02:41 - 07:32:41 4527
Klamath Falls 07:17:42 -24.2 Dark Down 32.6 119.3 Up 07:02:42 - 07:32:42 4497
Lakeview 07:17:37 -24.5 Dark Down 33.5 120.5 Up 07:02:37 - 07:32:37 4490
Tulelake 07:17:41 -24.5 Dark Down 32.9 119.4 Up 07:02:41 - 07:32:41 4473
Cedarville 07:17:39 -25.2 Dark Down 34.0 120.3 Up 07:02:39 - 07:32:39 4433
Fall River/Burney 07:17:44 -25.4 Dark Down 33.4 119.0 Up 07:02:44 - 07:32:44 4394
Susanville 07:17:43 -26.2 Dark Down 34.2 119.3 Up 07:02:43 - 07:32:43 4337
Greenville 07:17:45 -26.4 Dark Down 34.2 118.8 Up 07:02:45 - 07:32:45 4313
Gimple 07:17:45 -26.4 Dark Down 34.2 118.9 Up 07:02:45 - 07:32:45 4313
Quincy 07:17:45 -26.6 Dark Down 34.3 118.7 Up 07:02:45 - 07:32:45 4295
Portola 07:17:44 -26.8 Dark Down 34.6 119.1 Up 07:02:44 - 07:32:44 4283
Niwot 07:16:48 -27.5 Dark Down 43.7 134.6 Up 07:01:48 - 07:31:48 4277
Reno 07:17:43 -27.2 Dark Down 35.2 119.5 Up 07:02:43 - 07:32:43 4257
Carson City 07:17:43 -27.5 Dark Down 35.4 119.3 Up 07:02:43 - 07:32:43 4225
Yerington 07:17:42 -27.8 Dark Down 35.9 119.7 Up 07:02:42 - 07:32:42 4206
Gardnerville 07:17:44 -27.8 Dark Down 35.6 119.2 Up 07:02:44 - 07:32:44 4203
Hawthorne 07:17:41 -28.3 Dark Down 36.5 119.9 Up 07:02:41 - 07:32:41 4163
Tonopah 07:17:38 -29.0 Dark Down 37.7 120.9 Up 07:02:38 - 07:32:38 4117
Lee Vining 07:17:45 -28.8 Dark Down 36.5 119.1 Up 07:02:45 - 07:32:45 4113
Bishop 07:17:43 -29.5 Dark Down 37.3 119.4 Up 07:02:43 - 07:32:43 4056
Beatty 07:17:39 -30.2 Dark Down 38.6 120.6 Up 07:02:39 - 07:32:39 4010
Lone Pine 07:17:44 -30.3 Dark Down 37.9 119.2 Up 07:02:44 - 07:32:44 3985
Indian Springs 07:17:36 -30.6 Dark Down 39.5 121.3 Up 07:02:36 - 07:32:36 3977
Henderson 07:17:34 -31.3 Dark Down 40.3 121.6 Up 07:02:34 - 07:32:34 3925
Searchlight/Boulder City 07:17:36 -31.8 Dark Down 40.6 121.2 Up 07:02:36 - 07:32:36 3872
CPSLO 07:17:56 -31.1 Dark Down 36.6 116.1 Up 07:02:56 - 07:32:56 3871
Patrick 07:17:32 -32.0 Dark Down 41.3 122.2 Up 07:02:32 - 07:32:32 3864
Kingman/Dolan Springs 07:17:32 -32.2 Dark Down 41.3 121.8 Up 07:02:32 - 07:32:32 3844
Laughlin/Bullhead City 07:17:35 -32.2 Dark Down 41.0 121.3 Up 07:02:35 - 07:32:35 3842
DCO 07:17:29 -32.3 Dark Down 42.0 122.6 Up 07:02:29 - 07:32:29 3834
Mohave Valley 07:17:35 -32.4 Dark Down 41.1 121.1 Up 07:02:35 - 07:32:35 3817
Lake Havasu City 07:17:35 -32.9 Dark Down 41.5 121.1 Up 07:02:35 - 07:32:35 3778
Wildwood 07:17:52 -32.7 Dark Down 38.7 117.0 Up 07:02:52 - 07:32:52 3752
Parker 07:17:36 -33.2 Dark Down 41.7 120.8 Up 07:02:36 - 07:32:36 3745
Idyllwild 07:17:46 -33.3 Dark Down 40.2 118.4 Up 07:02:46 - 07:32:46 3713
Blythe 07:17:38 -33.7 Dark Down 41.8 120.2 Up 07:02:38 - 07:32:38 3695
Calipatria 07:17:43 -34.1 Dark Down 41.4 118.9 Up 07:02:43 - 07:32:43 3651
Yuma 07:17:40 -34.6 Dark Down 42.2 119.4 Up 07:02:40 - 07:32:40 3607

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 14JJ80, (2018/07/09 07:14UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.5 -29:37:23  1.2 39.15  79
Markab         23:04:45.7 +15:12:18  2.5 26.45  65
25 Aqr         21:39:33.2 +02:14:36  6.5  2.85  88
PPM 171777     21:28:02.7 +03:10:48  7.9  0.23  90
PPM 171801     21:28:53.1 +03:11:26  9.7  0.07  90
14JJ80         21:28:54.0 +03:15:46 16.3        90
Positions are for J2000

Event circumstances last updated at 2017/08/04 18:02:31 UT

Marc W. Buie, Southwest Research Institute

RECON