RECON: TNO occultation with 10199

Event between (10199) Chariklo and star UC4-308-260724 with event index number of 126912

Geocentric closest approach at 2018/07/05 10:10:34 UTC

J2000 position of star is 19:16:49.0 -28:35:42
Equinox of date position of star is 19:17:56.5 -28:33:43
Stellar brightness R=14.8, use SENSEUP=128
Star is 76 degrees from the moon. Moon is 59% illuminated.
TNO apparent brightness V=18.5

[RECON map]
TNO is 15.9 AU from the Sun and 14.9 AU from the Earth.
The TNO is moving 22.6 km/sec on the sky relative to the star, or, 7.5 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is 1159 km.
The sky-plane scale is 10822.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 12.8 sec chord
Diameter=117.7 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10199, (2018/07/05 10:11UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.7 -26:28:17  0.9 36.99 112
38Zet Sgr      19:03:47.3 -29:51:08  2.7  3.35  79
PPM 269757     19:26:13.8 -29:16:19  5.6  1.94  74
PPM 269561     19:17:58.5 -28:37:58  7.8  0.07  76
10199          19:17:58.6 -28:33:39 14.8        75
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 5.0 sigma about the mid-time.
The median site spacing is 22.2 km RECON observability=0.1 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)
Oroville 10:09:07 -12.9 AT Up 8.8 203.8 Really Low 10:01:48 - 10:16:26 3629
Tonasket 10:09:07 -13.1 AT Up 9.0 203.8 Really Low 10:01:48 - 10:16:26 3622
Okanogan 10:09:07 -13.5 AT Up 9.4 203.7 Really Low 10:01:48 - 10:16:26 3615
Brewster 10:09:07 -13.8 AT Up 9.7 203.5 Really Low 10:01:48 - 10:16:26 3610
Manson/Chelan 10:09:08 -14.1 AT Up 10.0 203.2 Really Low 10:01:49 - 10:16:27 3610
Entiat 10:09:07 -14.3 AT Up 10.2 203.2 Really Low 10:01:48 - 10:16:26 3604
Wenatchee 10:09:07 -14.5 AT Up 10.4 203.1 Really Low 10:01:48 - 10:16:26 3598
Ellensburg 10:09:07 -15.0 AT Up 10.9 203.0 Really Low 10:01:48 - 10:16:26 3589
Yakima 10:09:07 -15.3 AT Up 11.3 203.0 Really Low 10:01:48 - 10:16:26 3576
Toppenish/White Swan 10:09:06 -15.5 AT Up 11.4 203.2 Really Low 10:01:47 - 10:16:25 3566
Goldendale 10:09:07 -16.1 AT Up 12.0 202.8 Really Low 10:01:48 - 10:16:26 3554
The Dalles 10:09:07 -16.4 AT Up 12.3 202.5 Really Low 10:01:48 - 10:16:26 3553
Pasco 10:09:02 -15.1 AT Up 11.2 204.2 Really Low 10:01:43 - 10:16:21 3540
Maupin 10:09:07 -16.7 AT Up 12.7 202.7 Really Low 10:01:48 - 10:16:26 3537
George/Umatilla 10:09:02 -15.5 AT Up 11.5 204.1 Really Low 10:01:43 - 10:16:21 3532
PNWRO 10:09:01 -15.3 AT Up 11.3 204.4 Really Low 10:01:42 - 10:16:20 3527
Madras/Culver 10:09:06 -17.2 AT Up 13.2 202.7 Really Low 10:01:47 - 10:16:25 3518
Sisters 10:09:07 -17.7 AT Up 13.6 202.3 Really Low 10:01:48 - 10:16:26 3513
Redmond 10:09:05 -17.6 AT Up 13.6 202.7 Really Low 10:01:46 - 10:16:24 3506
Bend 10:09:06 -17.8 AT Up 13.8 202.6 Really Low 10:01:47 - 10:16:25 3500
Oregon Observatory 10:09:06 -18.0 Dark Up 14.0 202.5 Really Low 10:01:47 - 10:16:25 3496
La Pine/Gilchrist 10:09:06 -18.2 Dark Up 14.2 202.4 Really Low 10:01:47 - 10:16:25 3489
North Lake 10:09:03 -18.4 Dark Up 14.4 203.0 Really Low 10:01:44 - 10:16:22 3462
Chiloquin 10:09:05 -19.3 Dark Up 15.3 202.2 Really Low 10:01:46 - 10:16:24 3452
Klamath Falls 10:09:05 -19.6 Dark Up 15.6 202.3 Really Low 10:01:46 - 10:16:24 3437
Paisley 10:09:01 -18.7 Dark Up 14.8 203.3 Really Low 10:01:42 - 10:16:20 3434
Tulelake 10:09:03 -19.7 Dark Up 15.8 202.6 Really Low 10:01:44 - 10:16:22 3421
Lakeview 10:08:59 -19.1 Dark Up 15.3 203.6 Really Low 10:01:40 - 10:16:18 3410
Fall River/Burney 10:09:02 -20.5 Dark Up 16.6 202.8 Really Low 10:01:43 - 10:16:21 3382
Cedarville 10:08:58 -19.6 Dark Up 15.8 203.8 Really Low 10:01:39 - 10:16:17 3380
Susanville 10:08:59 -20.8 Dark Up 17.0 203.5 Really Low 10:01:40 - 10:16:18 3341
Greenville 10:08:59 -21.1 Dark Up 17.3 203.3 Really Low 10:01:40 - 10:16:18 3335
Gimple 10:08:59 -21.1 Dark Up 17.3 203.4 Really Low 10:01:40 - 10:16:18 3333
Quincy 10:08:59 -21.3 Dark Up 17.5 203.3 Really Low 10:01:40 - 10:16:18 3326
Portola 10:08:57 -21.2 Dark Up 17.5 203.7 Really Low 10:01:38 - 10:16:16 3311
Reno 10:08:55 -21.2 Dark Up 17.5 204.3 Really Low 10:01:36 - 10:16:14 3287
Carson City 10:08:54 -21.5 Dark Up 17.8 204.4 Really Low 10:01:35 - 10:16:13 3270
Gardnerville 10:08:53 -21.7 Dark Up 18.0 204.4 Really Low 10:01:34 - 10:16:12 3258
Yerington 10:08:52 -21.4 Dark Up 17.8 204.9 Really Low 10:01:33 - 10:16:11 3249
Hawthorne 10:08:49 -21.6 Dark Up 18.1 205.4 Really Low 10:01:30 - 10:16:08 3216
Lee Vining 10:08:50 -22.3 Dark Up 18.7 205.1 Really Low 10:01:31 - 10:16:09 3199
Tonopah 10:08:44 -21.4 Dark Up 18.0 206.7 Really Low 10:01:25 - 10:16:03 3164
Bishop 10:08:47 -22.5 Dark Up 19.0 205.8 Really Low 10:01:28 - 10:16:06 3155
Lone Pine 10:08:45 -23.0 Dark Up 19.6 206.2 Really Low 10:01:26 - 10:16:04 3110
Beatty 10:08:41 -22.1 Dark Up 18.9 207.2 Really Low 10:01:22 - 10:16:00 3097
CPSLO 10:08:52 -25.2 Dark Up 21.7 204.2 Low 10:01:33 - 10:16:11 3096
Indian Springs 10:08:37 -21.9 Dark Up 18.8 208.2 Really Low 10:01:18 - 10:15:56 3056
Henderson 10:08:34 -22.0 Dark Up 19.0 208.9 Really Low 10:01:15 - 10:15:53 3012
Wildwood 10:08:43 -25.3 Dark Up 22.0 206.2 Low 10:01:24 - 10:16:02 2989
Searchlight/Boulder City 10:08:32 -22.5 Dark Up 19.4 209.0 Really Low 10:01:13 - 10:15:51 2981
Niwot 10:08:10 -14.1 AT Up 11.4 216.0 Really Low 10:00:51 - 10:15:29 2969
Laughlin/Bullhead City 10:08:31 -22.6 Dark Up 19.6 209.3 Really Low 10:01:12 - 10:15:50 2956
Patrick 10:08:29 -22.0 Dark Up 19.1 209.9 Really Low 10:01:10 - 10:15:48 2953
Kingman/Dolan Springs 10:08:29 -22.3 Dark Up 19.3 209.7 Really Low 10:01:10 - 10:15:48 2945
Mohave Valley 10:08:30 -22.8 Dark Up 19.8 209.4 Really Low 10:01:11 - 10:15:49 2941
Idyllwild 10:08:36 -24.7 Dark Up 21.7 207.8 Low 10:01:17 - 10:15:55 2928
DCO 10:08:26 -21.9 Dark Up 19.1 210.5 Really Low 10:01:07 - 10:15:45 2919
Lake Havasu City 10:08:29 -23.0 Dark Up 20.1 209.7 Low 10:01:10 - 10:15:48 2914
Parker 10:08:29 -23.3 Dark Up 20.3 209.7 Low 10:01:10 - 10:15:48 2893
Blythe 10:08:29 -23.8 Dark Up 20.9 209.6 Low 10:01:10 - 10:15:48 2871
Calipatria 10:08:31 -24.7 Dark Up 21.7 208.9 Low 10:01:12 - 10:15:50 2866
Yuma 10:08:28 -24.6 Dark Up 21.7 209.7 Low 10:01:09 - 10:15:47 2819

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 10199, (2018/07/05 10:11UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 36.99 112
38Zet Sgr      19:02:36.7 -29:52:49  2.7  3.35  79
PPM 269757     19:25:04.0 -29:18:35  5.6  1.94  74
PPM 269561     19:16:48.9 -28:40:01  7.8  0.07  76
10199          19:16:49.0 -28:35:42 14.8        76
Positions are for J2000

Event circumstances last updated at 2017/12/14 18:18:34 UT

Marc W. Buie, Southwest Research Institute

RECON