RECON: TNO occultation with 06UX184

Event between 06UX184 and star UC4-651-017978 with event index number of 164459

Geocentric closest approach at 2018/11/09 04:56:17 UTC

J2000 position of star is 03:59:04.7 +40:01:54
Equinox of date position of star is 04:00:20.6 +40:05:03
Stellar brightness R=16.6, use SENSEUP=128
Star is 157 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 20.5 AU from the Sun and 19.6 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 5.8 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is 1845 km.
The sky-plane scale is 14238.0 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 4.6 sec chord
Diameter=43.1 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2018/11/09 04:56UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.3 +16:32:45  0.8 24.85 175
44Zet Per      03:55:19.3 +31:56:17  2.8  8.21 164
PPM 068974     04:00:55.5 +38:52:22  6.4  1.22 158
PPM 046696     04:01:26.7 +40:03:57  6.8  0.21 157
PPM 046684     04:00:50.2 +40:04:05  9.9  0.09 157
06UX184        04:00:21.0 +40:05:04 16.6       157
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 22.0 km RECON observability=1.0 and success probability=27.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 04:58:56 -43.6 Dark Down 50.1 82.1 Up 04:52:05 - 05:05:47 1140
Penticton 04:58:57 -43.7 Dark Down 49.9 81.6 Up 04:52:06 - 05:05:48 1112
Okanagan Falls 04:58:58 -43.8 Dark Down 49.9 81.4 Up 04:52:07 - 05:05:49 1095
Southern Okanagan 04:58:58 -43.9 Dark Down 49.9 81.2 Up 04:52:07 - 05:05:49 1079
Oroville 04:58:58 -44.1 Dark Down 49.9 81.0 Up 04:52:07 - 05:05:49 1052
Tonasket 04:58:59 -44.2 Dark Down 49.9 80.7 Up 04:52:08 - 05:05:50 1030
Okanogan 04:59:00 -44.3 Dark Down 49.7 80.2 Up 04:52:09 - 05:05:51 1004
Brewster 04:59:01 -44.3 Dark Down 49.6 79.8 Up 04:52:10 - 05:05:52 985
Manson/Chelan 04:59:02 -44.2 Dark Down 49.3 79.3 Up 04:52:11 - 05:05:53 978
Entiat 04:59:03 -44.2 Dark Down 49.2 79.0 Up 04:52:12 - 05:05:54 960
Wenatchee 04:59:04 -44.3 Dark Down 49.1 78.7 Up 04:52:13 - 05:05:55 940
Ellensburg 04:59:05 -44.4 Dark Down 48.9 78.1 Up 04:52:14 - 05:05:56 909
Yakima 04:59:06 -44.5 Dark Down 48.8 77.7 Up 04:52:15 - 05:05:57 871
Toppenish/White Swan 04:59:06 -44.7 Dark Down 48.8 77.5 Up 04:52:15 - 05:05:57 845
Goldendale 04:59:09 -44.7 Dark Down 48.4 76.7 Up 04:52:18 - 05:06:00 808
The Dalles 04:59:10 -44.6 Dark Down 48.1 76.2 Up 04:52:19 - 05:06:01 801
Pasco 04:59:04 -45.6 Dark Down 49.7 78.1 Up 04:52:13 - 05:05:55 788
George/Umatilla 04:59:05 -45.6 Dark Down 49.4 77.6 Up 04:52:14 - 05:05:56 764
Maupin 04:59:11 -44.8 Dark Down 48.1 75.8 Up 04:52:20 - 05:06:02 757
PNWRO 04:59:05 -45.8 Dark Down 49.8 77.9 Up 04:52:14 - 05:05:56 756
Madras/Culver 04:59:12 -45.0 Dark Down 47.9 75.2 Up 04:52:21 - 05:06:03 707
Sisters 04:59:14 -44.9 Dark Down 47.6 74.6 Up 04:52:23 - 05:06:05 693
Redmond 04:59:13 -45.2 Dark Down 47.8 74.8 Up 04:52:22 - 05:06:04 675
Bend 04:59:14 -45.1 Dark Down 47.7 74.5 Up 04:52:23 - 05:06:05 660
Oregon Observatory 04:59:15 -45.1 Dark Down 47.5 74.3 Up 04:52:24 - 05:06:06 649
La Pine/Gilchrist 04:59:15 -45.2 Dark Down 47.4 74.0 Up 04:52:24 - 05:06:06 632
North Lake 04:59:15 -45.7 Dark Down 47.7 73.9 Up 04:52:24 - 05:06:06 567
Chiloquin 04:59:19 -45.4 Dark Down 46.9 72.7 Up 04:52:28 - 05:06:10 540
Klamath Falls 04:59:19 -45.6 Dark Down 46.8 72.4 Up 04:52:28 - 05:06:10 505
Paisley 04:59:16 -46.2 Dark Down 47.8 73.4 Up 04:52:25 - 05:06:07 501
Tulelake 04:59:19 -45.9 Dark Down 47.0 72.3 Up 04:52:28 - 05:06:10 467
Lakeview 04:59:16 -46.5 Dark Down 47.8 73.0 Up 04:52:25 - 05:06:07 445
Fall River/Burney 04:59:21 -46.2 Dark Down 46.7 71.4 Up 04:52:30 - 05:06:12 377
Cedarville 04:59:17 -46.9 Dark Down 47.8 72.4 Up 04:52:26 - 05:06:08 375
Susanville 04:59:21 -47.0 Dark Down 47.1 71.0 Up 04:52:30 - 05:06:12 286
Greenville 04:59:22 -46.9 Dark Down 46.8 70.7 Up 04:52:31 - 05:06:13 272
Gimple 04:59:22 -46.9 Dark Down 46.8 70.7 Up 04:52:31 - 05:06:13 268
Quincy 04:59:22 -47.0 Dark Down 46.7 70.5 Up 04:52:31 - 05:06:13 252
Portola 04:59:21 -47.3 Dark Down 47.0 70.5 Up 04:52:30 - 05:06:12 221
Reno 04:59:20 -47.9 Dark Down 47.4 70.5 Up 04:52:29 - 05:06:11 169
Carson City 04:59:21 -48.1 Dark Down 47.3 70.1 Up 04:52:30 - 05:06:12 133
Gardnerville 04:59:22 -48.2 Dark Down 47.2 69.9 Up 04:52:31 - 05:06:13 107
Yerington 04:59:20 -48.6 Dark Down 47.7 70.1 Up 04:52:29 - 05:06:11 88
Hawthorne 04:59:20 -49.1 Dark Down 47.9 69.8 Up 04:52:29 - 05:06:11 22
Lee Vining 04:59:22 -49.0 Dark Down 47.4 69.1 Up 04:52:31 - 05:06:13 -14
Tonopah 04:59:17 -50.3 Dark Down 48.8 69.8 Up 04:52:26 - 05:06:08 -80
Bishop 04:59:22 -49.7 Dark Down 47.7 68.7 Up 04:52:31 - 05:06:13 -102
Lone Pine 04:59:22 -50.2 Dark Down 47.7 68.0 Up 04:52:31 - 05:06:13 -190
CPSLO 04:59:31 -48.6 Dark Down 45.2 66.1 Up 04:52:40 - 05:06:22 -209
Beatty 04:59:18 -51.1 Dark Down 48.7 68.7 Up 04:52:27 - 05:06:09 -213
Niwot 04:58:42 -57.4 Dark Down 58.2 76.3 Up 04:51:51 - 05:05:33 -283
Indian Springs 04:59:16 -52.0 Dark Down 49.4 68.6 Up 04:52:25 - 05:06:07 -288
Henderson 04:59:16 -52.7 Dark Down 49.7 68.2 Up 04:52:25 - 05:06:07 -368
Wildwood 04:59:28 -50.6 Dark Down 46.3 65.4 Up 04:52:37 - 05:06:19 -415
Searchlight/Boulder City 04:59:16 -53.0 Dark Down 49.6 67.6 Up 04:52:25 - 05:06:07 -428
Laughlin/Bullhead City 04:59:16 -53.3 Dark Down 49.7 67.3 Up 04:52:25 - 05:06:07 -471
Patrick 04:59:13 -53.8 Dark Down 50.3 67.7 Up 04:52:22 - 05:06:04 -474
Kingman/Dolan Springs 04:59:14 -53.7 Dark Down 50.1 67.4 Up 04:52:23 - 05:06:05 -489
Mohave Valley 04:59:16 -53.4 Dark Down 49.6 67.0 Up 04:52:25 - 05:06:07 -499
Idyllwild 04:59:24 -52.2 Dark Down 47.5 65.4 Up 04:52:33 - 05:06:15 -529
DCO 04:59:12 -54.4 Dark Down 50.7 67.5 Up 04:52:21 - 05:06:03 -531
Lake Havasu City 04:59:16 -53.8 Dark Down 49.6 66.6 Up 04:52:25 - 05:06:07 -549
Parker 04:59:16 -53.9 Dark Down 49.5 66.3 Up 04:52:25 - 05:06:07 -585
Blythe 04:59:18 -53.9 Dark Down 49.1 65.7 Up 04:52:27 - 05:06:09 -626
Calipatria 04:59:22 -53.3 Dark Down 48.2 65.0 Up 04:52:31 - 05:06:13 -638
Yuma 04:59:20 -54.1 Dark Down 48.7 64.7 Up 04:52:29 - 05:06:11 -718

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, (2018/11/09 04:56UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 24.85 175
44Zet Per      03:54:07.9 +31:53:01  2.8  8.21 164
PPM 068974     03:59:39.9 +38:49:14  6.4  1.22 158
PPM 046696     04:00:10.4 +40:00:50  6.8  0.21 157
PPM 046684     03:59:33.8 +40:00:56  9.9  0.09 157
06UX184        03:59:04.7 +40:01:54 16.6       157
Positions are for J2000

Event circumstances last updated at 2018/10/08 19:32:19 UT

Marc W. Buie, Southwest Research Institute

RECON