RECON: TNO occultation with 06UX184

Event between 06UX184 and star GA1320:01773317 with event index number of 223110

Geocentric closest approach at 2019/11/05 09:51:52 UTC

J2000 position of star is 04:18:37.9 +43:20:19
Equinox of date position of star is 04:19:57.2 +43:23:00
Stellar brightness G=16.4, use SENSEUP=128
Star is 107 degrees from the moon. Moon is 59% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 20.6 AU from the Sun and 19.8 AU from the Earth.
The TNO is moving 22.0 km/sec on the sky relative to the star, or, 5.5 arcsec/hr.
The 1-sigma error in the time of the event is 83 seconds.
The 1-sigma cross-track error in the shadow position is 1748 km.
The sky-plane scale is 14368.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 4.8 sec chord
Diameter=43.1 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2019/11/05 09:52UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.7 +16:32:52  0.8 27.08 106
Mirphak        03:25:45.0 +49:55:49  1.8 11.36  99
PPM 046963     04:19:30.9 +42:11:17  6.1  1.20 107
PPM 046997     04:21:55.5 +43:17:04  8.5  0.36 107
PPM 046975     04:20:05.5 +43:22:43 10.3  0.01 107
06UX184        04:20:01.6 +43:23:08 16.4       107
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 21.9 km RECON observability=1.0 and success probability=17.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 09:51:34 -46.8 Dark Down 81.4 223.7 Up 09:44:11 - 09:58:57 3061
Summerland 09:51:35 -47.0 Dark Down 81.6 222.5 Up 09:44:12 - 09:58:58 3048
Penticton 09:51:34 -47.1 Dark Down 81.7 224.7 Up 09:44:11 - 09:58:57 3019
Okanagan Falls 09:51:34 -47.2 Dark Down 81.9 225.6 Up 09:44:11 - 09:58:57 2999
Oliver 09:51:33 -47.3 Dark Down 82.0 226.5 Up 09:44:10 - 09:58:56 2982
Anarchist Mountain Observatory 09:51:33 -47.3 Dark Down 82.0 228.1 Up 09:44:10 - 09:58:56 2969
Oroville 09:51:33 -47.4 Dark Down 82.1 228.2 Up 09:44:10 - 09:58:56 2959
Tonasket 09:51:32 -47.6 Dark Down 82.2 229.5 Up 09:44:09 - 09:58:55 2935
Okanogan 09:51:33 -47.9 Dark Down 82.5 230.8 Up 09:44:10 - 09:58:56 2896
Brewster 09:51:33 -48.1 Dark Down 82.8 231.7 Up 09:44:10 - 09:58:56 2863
Manson/Chelan 09:51:33 -48.5 Dark Down 83.1 231.5 Up 09:44:10 - 09:58:56 2832
Entiat 09:51:33 -48.6 Dark Down 83.3 232.6 Up 09:44:10 - 09:58:56 2808
Wenatchee 09:51:33 -48.9 Dark Down 83.5 234.0 Up 09:44:10 - 09:58:56 2779
Ellensburg 09:51:33 -49.2 Dark Down 83.8 236.1 Up 09:44:10 - 09:58:56 2730
Pasco 09:51:27 -48.9 Dark Down 83.4 247.0 Up 09:44:04 - 09:58:50 2687
Yakima 09:51:33 -49.5 Dark Down 84.1 239.3 Up 09:44:10 - 09:58:56 2687
Toppenish/White Swan 09:51:32 -49.6 Dark Down 84.1 241.7 Up 09:44:09 - 09:58:55 2668
PNWRO 09:51:26 -49.0 Dark Down 83.3 249.7 Up 09:44:03 - 09:58:49 2667
George/Umatilla 09:51:28 -49.3 Dark Down 83.6 249.1 Up 09:44:05 - 09:58:51 2646
Goldendale 09:51:32 -50.1 Dark Down 84.6 245.1 Up 09:44:09 - 09:58:55 2599
The Dalles 09:51:33 -50.5 Dark Down 84.9 245.9 Up 09:44:10 - 09:58:56 2567
Maupin 09:51:32 -50.7 Dark Down 85.0 250.7 Up 09:44:09 - 09:58:55 2525
Niwot 09:50:29 -42.8 Dark Down 73.2 288.3 Up 09:43:06 - 09:57:52 2520
Madras/Culver 09:51:32 -51.0 Dark Down 85.2 256.7 Up 09:44:09 - 09:58:55 2467
Redmond 09:51:31 -51.3 Dark Down 85.3 260.8 Up 09:44:08 - 09:58:54 2427
Sisters 09:51:33 -51.5 Dark Down 85.6 259.6 Up 09:44:10 - 09:58:56 2420
Bend 09:51:31 -51.5 Dark Down 85.4 263.1 Up 09:44:08 - 09:58:54 2401
Oregon Observatory 09:51:31 -51.7 Dark Down 85.5 265.1 Up 09:44:08 - 09:58:54 2380
La Pine/Gilchrist 09:51:31 -51.8 Dark Down 85.6 267.7 Up 09:44:08 - 09:58:54 2357
North Lake 09:51:29 -51.8 Dark Down 85.2 273.4 Up 09:44:06 - 09:58:52 2326
Paisley 09:51:26 -51.9 Dark Down 84.8 279.6 Up 09:44:03 - 09:58:49 2277
Chiloquin 09:51:31 -52.7 Dark Down 85.8 282.4 Up 09:44:08 - 09:58:54 2230
Lakeview 09:51:25 -52.1 Dark Down 84.6 284.7 Up 09:44:02 - 09:58:48 2228
Klamath Falls 09:51:30 -52.9 Dark Down 85.6 286.7 Up 09:44:07 - 09:58:53 2196
Tulelake 09:51:29 -52.9 Dark Down 85.3 289.2 Up 09:44:06 - 09:58:52 2175
Cedarville 09:51:23 -52.3 Dark Down 84.3 290.9 Up 09:44:00 - 09:58:46 2164
Fall River/Burney 09:51:27 -53.4 Dark Down 84.9 298.8 Up 09:44:04 - 09:58:50 2081
Susanville 09:51:23 -53.2 Dark Down 84.1 302.0 Up 09:44:00 - 09:58:46 2034
Gimple 09:51:23 -53.5 Dark Down 84.1 304.9 Up 09:44:00 - 09:58:46 1999
Greenville 09:51:24 -53.6 Dark Down 84.1 305.2 Up 09:44:01 - 09:58:47 1997
Quincy 09:51:23 -53.7 Dark Down 84.0 306.8 Up 09:44:00 - 09:58:46 1975
Portola 09:51:22 -53.5 Dark Down 83.7 306.1 Up 09:43:59 - 09:58:45 1975
Reno 09:51:19 -53.2 Dark Down 83.1 305.8 Up 09:43:56 - 09:58:42 1965
Carson City 09:51:19 -53.4 Dark Down 82.9 308.1 Up 09:43:56 - 09:58:42 1928
Yerington 09:51:15 -53.0 Dark Down 82.4 307.4 Up 09:43:52 - 09:58:38 1925
Gardnerville 09:51:18 -53.4 Dark Down 82.7 309.5 Up 09:43:55 - 09:58:41 1903
Hawthorne 09:51:13 -52.9 Dark Down 81.8 308.6 Up 09:43:50 - 09:58:36 1892
Tonopah 09:51:07 -52.2 Dark Down 80.6 307.5 Up 09:43:44 - 09:58:30 1886
Lee Vining 09:51:14 -53.5 Dark Down 81.7 312.9 Up 09:43:51 - 09:58:37 1819
Indian Springs 09:50:59 -51.7 Dark Down 78.8 310.6 Up 09:43:36 - 09:58:22 1781
Beatty 09:51:03 -52.4 Dark Down 79.6 311.6 Up 09:43:40 - 09:58:26 1780
Bishop 09:51:10 -53.3 Dark Down 80.9 313.7 Up 09:43:47 - 09:58:33 1778
Henderson 09:50:55 -51.4 Dark Down 78.0 311.2 Up 09:43:32 - 09:58:18 1749
Patrick 09:50:50 -50.8 Dark Down 76.9 311.3 Up 09:43:27 - 09:58:13 1723
DCO 09:50:47 -50.4 Dark Down 76.3 311.1 Up 09:43:24 - 09:58:10 1717
Lone Pine 09:51:08 -53.4 Dark Down 80.1 316.0 Up 09:43:45 - 09:58:31 1708
Kingman/Dolan Springs 09:50:50 -51.0 Dark Down 76.9 312.4 Up 09:43:27 - 09:58:13 1694
Searchlight/Boulder City 09:50:54 -51.6 Dark Down 77.6 313.1 Up 09:43:31 - 09:58:17 1692
Laughlin/Bullhead City 09:50:52 -51.4 Dark Down 77.2 313.4 Up 09:43:29 - 09:58:15 1673
Mohave Valley 09:50:52 -51.5 Dark Down 77.0 314.2 Up 09:43:29 - 09:58:15 1646
Lake Havasu City 09:50:50 -51.5 Dark Down 76.5 315.0 Up 09:43:27 - 09:58:13 1613
Parker 09:50:49 -51.6 Dark Down 76.3 316.0 Up 09:43:26 - 09:58:12 1578
Blythe 09:50:50 -52.0 Dark Down 76.1 318.0 Up 09:43:27 - 09:58:13 1515
CPSLO 09:51:15 -55.8 Dark Down 80.4 328.8 Up 09:43:52 - 09:58:38 1496
Idyllwild 09:50:58 -53.6 Dark Down 77.3 322.1 Up 09:43:35 - 09:58:21 1455
Calipatria 09:50:52 -52.9 Dark Down 76.2 321.1 Up 09:43:29 - 09:58:15 1432
Wildwood 09:51:06 -54.9 Dark Down 78.5 325.9 Up 09:43:43 - 09:58:29 1431
Yuma 09:50:48 -52.3 Dark Down 75.4 320.4 Up 09:43:25 - 09:58:11 1419

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 06UX184, (2019/11/05 09:52UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 27.08 106
Mirphak        03:24:19.4 +49:51:40  1.8 11.36  99
PPM 046963     04:18:08.2 +42:08:27  6.1  1.20 107
PPM 046997     04:20:31.8 +43:14:18  8.5  0.36 107
PPM 046975     04:18:41.8 +43:19:54 10.3  0.01 107
06UX184        04:18:37.9 +43:20:19 16.4       107
Positions are for J2000

Event circumstances last updated at 2018/10/24 22:03:45 UT

Marc W. Buie, Southwest Research Institute

RECON