RECON: TNO occultation with 10VX11

Event between 10VX11 and star GA0880:00557823 with event index number of 173899

Geocentric closest approach at 2018/12/25 06:47:31 UTC

J2000 position of star is 05:08:50.1 -00:10:21
Equinox of date position of star is 05:09:46.7 -00:09:00
Stellar brightness G=16.5, use SENSEUP=128
Star is 56 degrees from the moon. Moon is 91% illuminated.
TNO apparent brightness V=21.1

[RECON map]
TNO is 28.8 AU from the Sun and 28.0 AU from the Earth.
The TNO is moving 23.0 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 956 seconds.
The 1-sigma cross-track error in the shadow position is 2990 km.
The sky-plane scale is 20273.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=306.2 km assuming a 5% albedo -- 13.3 sec chord
Diameter=125.0 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 10VX11, (2018/12/25 06:48UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:27.1 -08:10:52  0.1  8.15  59
67Bet Eri      05:08:47.0 -05:03:48  2.8  4.92  59
PPM 187787     05:12:16.6 -02:28:07  6.0  2.40  57
PPM 148461     05:08:04.3 +00:06:46  8.2  0.51  57
PPM 175750     05:11:06.1 -00:15:37  9.8  0.34  56
PPM 175737     05:09:27.6 -00:12:54 10.5  0.11  56
10VX11         05:09:48.4 -00:08:57 16.5        56
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 0.9 sigma about the mid-time.
The median site spacing is 20.8 km RECON observability=1.0 and success probability=0.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 06:47:46 -60.4 Dark Up 40.3 178.6 Up 06:32:46 - 07:02:46 10498
Oroville 06:47:45 -61.0 Dark Up 40.9 178.7 Up 06:32:45 - 07:02:45 10455
Tonasket 06:47:45 -61.2 Dark Up 41.1 178.7 Up 06:32:45 - 07:02:45 10438
Okanogan 06:47:46 -61.4 Dark Up 41.5 178.5 Up 06:32:46 - 07:02:46 10413
Brewster 06:47:46 -61.5 Dark Up 41.7 178.2 Up 06:32:46 - 07:02:46 10392
Manson/Chelan 06:47:47 -61.6 Dark Up 41.9 177.7 Up 06:32:47 - 07:02:47 10375
Entiat 06:47:47 -61.7 Dark Up 42.1 177.6 Up 06:32:47 - 07:02:47 10359
Wenatchee 06:47:48 -61.9 Dark Up 42.4 177.5 Up 06:32:48 - 07:02:48 10339
Ellensburg 06:47:49 -62.1 Dark Up 42.8 177.2 Up 06:32:49 - 07:02:49 10307
Yakima 06:47:49 -62.4 Dark Up 43.2 177.1 Up 06:32:49 - 07:02:49 10276
Toppenish/White Swan 06:47:48 -62.6 Dark Up 43.4 177.4 Up 06:32:48 - 07:02:48 10261
Pasco 06:47:44 -63.3 Dark Up 43.6 179.1 Up 06:32:44 - 07:02:44 10256
PNWRO 06:47:43 -63.6 Dark Up 43.8 179.4 Up 06:32:43 - 07:02:43 10238
George/Umatilla 06:47:45 -63.4 Dark Up 43.9 178.8 Up 06:32:45 - 07:02:45 10230
Goldendale 06:47:50 -62.9 Dark Up 44.0 176.8 Up 06:32:50 - 07:02:50 10216
The Dalles 06:47:50 -62.9 Dark Up 44.2 176.2 Up 06:32:50 - 07:02:50 10197
Maupin 06:47:50 -63.2 Dark Up 44.6 176.4 Up 06:32:50 - 07:02:50 10165
Madras/Culver 06:47:50 -63.6 Dark Up 45.1 176.3 Up 06:32:50 - 07:02:50 10122
Sisters 06:47:52 -63.7 Dark Up 45.4 175.6 Up 06:32:52 - 07:02:52 10094
Redmond 06:47:50 -63.9 Dark Up 45.5 176.2 Up 06:32:50 - 07:02:50 10094
Bend 06:47:51 -64.0 Dark Up 45.7 176.0 Up 06:32:51 - 07:02:51 10076
Oregon Observatory 06:47:51 -64.0 Dark Up 45.9 175.8 Up 06:32:51 - 07:02:51 10062
La Pine/Gilchrist 06:47:52 -64.1 Dark Up 46.1 175.7 Up 06:32:52 - 07:02:52 10045
North Lake 06:47:50 -64.7 Dark Up 46.5 176.5 Up 06:32:50 - 07:02:50 10012
Paisley 06:47:48 -65.3 Dark Up 47.1 177.0 Up 06:32:48 - 07:02:48 9969
Chiloquin 06:47:53 -64.7 Dark Up 47.2 175.1 Up 06:32:53 - 07:02:53 9953
Lakeview 06:47:48 -65.8 Dark Up 47.6 177.2 Up 06:32:48 - 07:02:48 9928
Klamath Falls 06:47:53 -65.0 Dark Up 47.5 175.1 Up 06:32:53 - 07:02:53 9926
Tulelake 06:47:52 -65.3 Dark Up 47.8 175.6 Up 06:32:52 - 07:02:52 9905
Cedarville 06:47:47 -66.3 Dark Up 48.3 177.5 Up 06:32:47 - 07:02:47 9875
Fall River/Burney 06:47:51 -66.0 Dark Up 48.7 175.6 Up 06:32:51 - 07:02:51 9829
Niwot 06:46:52 -73.0 Dark Up 48.0 199.8 Up 06:31:52 - 07:01:52 9819
Susanville 06:47:49 -66.8 Dark Up 49.4 176.7 Up 06:32:49 - 07:02:49 9780
Gimple 06:47:50 -66.9 Dark Up 49.6 176.3 Up 06:32:50 - 07:02:50 9755
Greenville 06:47:50 -66.8 Dark Up 49.6 176.2 Up 06:32:50 - 07:02:50 9755
Quincy 06:47:50 -67.0 Dark Up 49.8 176.2 Up 06:32:50 - 07:02:50 9738
Portola 06:47:48 -67.3 Dark Up 50.0 176.9 Up 06:32:48 - 07:02:48 9729
Reno 06:47:46 -67.9 Dark Up 50.3 177.9 Up 06:32:46 - 07:02:46 9709
Carson City 06:47:45 -68.1 Dark Up 50.6 177.9 Up 06:32:45 - 07:02:45 9679
Yerington 06:47:43 -68.6 Dark Up 50.8 178.9 Up 06:32:43 - 07:02:43 9665
Gardnerville 06:47:45 -68.3 Dark Up 50.9 178.0 Up 06:32:45 - 07:02:45 9658
Hawthorne 06:47:41 -69.2 Dark Up 51.3 179.7 Up 06:32:41 - 07:02:41 9627
Tonopah 06:47:35 -70.4 Dark Up 51.8 182.0 Up 06:32:35 - 07:02:35 9592
Lee Vining 06:47:43 -69.3 Dark Up 51.9 178.9 Up 06:32:43 - 07:02:43 9575
Bishop 06:47:40 -70.1 Dark Up 52.5 180.1 Up 06:32:40 - 07:02:40 9526
Beatty 06:47:34 -71.4 Dark Up 52.9 182.8 Up 06:32:34 - 07:02:34 9493
Indian Springs 06:47:29 -72.3 Dark Up 53.2 184.6 Up 06:32:29 - 07:02:29 9469
Lone Pine 06:47:39 -70.8 Dark Up 53.2 180.6 Up 06:32:39 - 07:02:39 9460
Henderson 06:47:26 -73.0 Dark Up 53.6 185.8 Up 06:32:26 - 07:02:26 9424
Searchlight/Boulder City 06:47:26 -73.5 Dark Up 54.2 185.9 Up 06:32:26 - 07:02:26 9373
Patrick 06:47:22 -74.1 Dark Up 54.2 187.7 Up 06:32:22 - 07:02:22 9373
Kingman/Dolan Springs 06:47:23 -74.1 Dark Up 54.4 187.4 Up 06:32:23 - 07:02:23 9352
DCO 06:47:19 -74.7 Dark Up 54.4 189.0 Up 06:32:19 - 07:02:19 9349
Laughlin/Bullhead City 06:47:25 -73.9 Dark Up 54.5 186.6 Up 06:32:25 - 07:02:25 9348
CPSLO 06:47:48 -69.9 Dark Up 54.5 176.2 Up 06:32:48 - 07:02:48 9333
Mohave Valley 06:47:25 -74.1 Dark Up 54.8 186.6 Up 06:32:25 - 07:02:25 9323
Lake Havasu City 06:47:23 -74.5 Dark Up 55.1 187.1 Up 06:32:23 - 07:02:23 9288
Parker 06:47:23 -74.7 Dark Up 55.5 187.2 Up 06:32:23 - 07:02:23 9256
Wildwood 06:47:40 -71.9 Dark Up 55.7 179.7 Up 06:32:40 - 07:02:40 9232
Idyllwild 06:47:32 -73.4 Dark Up 56.1 183.1 Up 06:32:32 - 07:02:32 9207
Blythe 06:47:24 -74.9 Dark Up 56.0 186.8 Up 06:32:24 - 07:02:24 9207
Calipatria 06:47:28 -74.6 Dark Up 56.6 185.2 Up 06:32:28 - 07:02:28 9157
Yuma 06:47:24 -75.4 Dark Up 56.9 186.9 Up 06:32:24 - 07:02:24 9121

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 10VX11, (2018/12/25 06:48UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1  8.15  59
67Bet Eri      05:07:50.9 -05:05:13  2.8  4.92  59
PPM 187787     05:11:19.3 -02:29:27  6.0  2.40  57
PPM 148461     05:07:05.9 +00:05:20  8.2  0.51  57
PPM 175750     05:10:07.8 -00:16:59  9.8  0.34  56
PPM 175737     05:08:29.4 -00:14:18 10.5  0.11  56
10VX11         05:08:50.1 -00:10:21 16.5        56
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:41:05 UT

Marc W. Buie, Southwest Research Institute

RECON