RECON: TNO occultation with 06UX184

Event between 06UX184 and star GA1480:04747262 with event index number of 2017043

Geocentric closest approach at 2027/02/01 02:50:06 UTC

J2000 position of star is 06:57:34.7 +58:04:33
Equinox of date position of star is 06:59:28.2 +58:02:42
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 141 degrees from the moon. Moon is 25% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 22.6 AU from the Sun and 21.9 AU from the Earth.
The TNO is moving 20.0 km/sec on the sky relative to the star, or, 4.5 arcsec/hr.
The 1-sigma error in the time of the event is 696 seconds.
The 1-sigma cross-track error in the shadow position is 4942 km.
The sky-plane scale is 15873.5 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 5.3 sec chord
Diameter=43.1 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2027/02/01 02:50UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:58.4 +27:57:31  1.1 31.18 139
34Bet Aur      06:01:31.0 +44:56:50  1.9 15.86 156
15 Lyn         06:59:36.7 +58:23:02  5.1  0.35 140
PPM 030822     07:00:41.3 +57:51:19  8.2  0.21 141
PPM 030813     07:00:00.1 +57:52:30  8.7  0.16 141
06UX184        06:59:54.1 +58:02:16 15.1       140
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 1.3 sigma about the mid-time.
The median site spacing is 22.0 km RECON observability=1.0 and success probability=10.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 02:52:49 -17.0 AT Down 57.6 52.5 Up 02:37:49 - 03:07:49 2165
Kamloops 02:52:35 -19.1 Dark Down 60.4 55.8 Up 02:37:35 - 03:07:35 2131
Peachland 02:52:38 -19.5 Dark Down 60.2 54.5 Up 02:37:38 - 03:07:38 2036
Kelowna 02:52:37 -19.7 Dark Down 60.4 54.7 Up 02:37:37 - 03:07:37 2027
Summerland 02:52:38 -19.5 Dark Down 60.2 54.3 Up 02:37:38 - 03:07:38 2020
Penticton 02:52:38 -19.6 Dark Down 60.2 54.2 Up 02:37:38 - 03:07:38 2010
Oliver 02:52:40 -19.6 Dark Down 60.0 53.7 Up 02:37:40 - 03:07:40 1986
Anarchist Mountain Observatory 02:52:40 -19.7 Dark Down 60.0 53.5 Up 02:37:40 - 03:07:40 1963
Tonasket 02:52:42 -19.6 Dark Down 59.8 53.1 Up 02:37:42 - 03:07:42 1946
Manson/Chelan 02:52:46 -19.1 Dark Down 58.9 51.9 Up 02:37:46 - 03:07:46 1932
Okanogan 02:52:43 -19.5 Dark Down 59.5 52.6 Up 02:37:43 - 03:07:43 1932
Brewster 02:52:44 -19.3 Dark Down 59.2 52.2 Up 02:37:44 - 03:07:44 1925
Wenatchee 02:52:48 -18.9 Dark Down 58.5 51.3 Up 02:37:48 - 03:07:48 1910
Ellensburg 02:52:50 -18.7 Dark Down 58.2 50.8 Up 02:37:50 - 03:07:50 1895
Yakima 02:52:51 -18.7 Dark Down 57.9 50.3 Up 02:37:51 - 03:07:51 1869
Toppenish/White Swan 02:52:52 -18.8 Dark Down 57.8 50.0 Up 02:37:52 - 03:07:52 1844
The Dalles 02:52:57 -18.2 Dark Down 56.9 49.1 Up 02:37:57 - 03:07:57 1840
Goldendale 02:52:55 -18.5 Dark Down 57.3 49.4 Up 02:37:55 - 03:07:55 1833
Maupin 02:52:58 -18.2 Dark Down 56.7 48.6 Up 02:37:58 - 03:07:58 1805
Sisters 02:53:03 -17.8 AT Down 55.9 47.6 Up 02:38:03 - 03:08:03 1776
Bend 02:53:03 -17.9 AT Down 55.8 47.4 Up 02:38:03 - 03:08:03 1744
Oregon Observatory 02:53:04 -17.8 AT Down 55.7 47.2 Up 02:38:04 - 03:08:04 1741
PNWRO 02:52:51 -19.8 Dark Down 58.4 49.6 Up 02:37:51 - 03:07:51 1728
Chiloquin 02:53:10 -17.4 AT Down 54.5 45.8 Up 02:38:10 - 03:08:10 1678
North Lake 02:53:06 -18.1 Dark Down 55.5 46.5 Up 02:38:06 - 03:08:06 1663
Klamath Falls 02:53:11 -17.4 AT Down 54.4 45.5 Up 02:38:11 - 03:08:11 1650
Lakeview 02:53:08 -18.4 Dark Down 55.1 45.3 Up 02:38:08 - 03:08:08 1555
Fall River/Burney 02:53:14 -17.5 AT Down 53.7 44.3 Up 02:38:14 - 03:08:14 1545
Sleaford 02:52:01 -28.0 Dark Down 68.7 59.4 Up 02:37:01 - 03:07:01 1501
Cedarville 02:53:10 -18.5 Dark Down 54.7 44.7 Up 02:38:10 - 03:08:10 1498
Greenville 02:53:17 -17.7 AT Down 53.3 43.4 Up 02:38:17 - 03:08:17 1454
Susanville 02:53:15 -18.0 Dark Down 53.7 43.6 Up 02:38:15 - 03:08:15 1453
Gimple 02:53:17 -17.8 AT Down 53.4 43.4 Up 02:38:17 - 03:08:17 1448
Quincy 02:53:18 -17.7 AT Down 53.2 43.2 Up 02:38:18 - 03:08:18 1439
Portola 02:53:18 -18.1 Dark Down 53.3 43.1 Up 02:38:18 - 03:08:18 1399
Reno 02:53:17 -18.5 Dark Down 53.5 42.7 Up 02:38:17 - 03:08:17 1337
Carson City 02:53:18 -18.5 Dark Down 53.2 42.4 Up 02:38:18 - 03:08:18 1310
Gardnerville 02:53:19 -18.5 Dark Down 53.1 42.2 Up 02:38:19 - 03:08:19 1290
Yerington 02:53:17 -19.0 Dark Down 53.4 42.1 Up 02:38:17 - 03:08:17 1254
Hawthorne 02:53:18 -19.3 Dark Down 53.3 41.6 Up 02:38:18 - 03:08:18 1185
Lee Vining 02:53:21 -18.9 Dark Down 52.7 41.2 Up 02:38:21 - 03:08:21 1178
Bishop 02:53:21 -19.4 Dark Down 52.6 40.6 Up 02:38:21 - 03:08:21 1087
Tonopah 02:53:16 -20.4 Dark Down 53.7 41.0 Up 02:38:16 - 03:08:16 1057
Beatty 02:53:19 -20.6 Dark Down 53.1 39.9 Up 02:38:19 - 03:08:19 943
Wildwood 02:53:32 -18.8 Dark Down 50.0 38.0 Up 02:38:32 - 03:08:32 868
Indian Springs 02:53:18 -21.4 Dark Down 53.4 39.3 Up 02:38:18 - 03:08:18 846
Henderson 02:53:18 -21.9 Dark Down 53.3 38.7 Up 02:38:18 - 03:08:18 760
Idyllwild 02:53:29 -20.3 Dark Down 50.6 37.3 Up 02:38:29 - 03:08:29 709
Laughlin/Bullhead City 02:53:19 -22.2 Dark Down 52.8 37.9 Up 02:38:19 - 03:08:19 668
Mohave Valley 02:53:20 -22.2 Dark Down 52.6 37.7 Up 02:38:20 - 03:08:20 647
Patrick 02:53:17 -22.8 Dark Down 53.4 37.9 Up 02:38:17 - 03:08:17 639
Kingman/Dolan Springs 02:53:18 -22.6 Dark Down 53.1 37.8 Up 02:38:18 - 03:08:18 635
Lake Havasu City 02:53:21 -22.3 Dark Down 52.4 37.3 Up 02:38:21 - 03:08:21 601
Calipatria 02:53:28 -21.2 Dark Down 50.8 36.6 Up 02:38:28 - 03:08:28 582
Parker 02:53:22 -22.3 Dark Down 52.2 37.0 Up 02:38:22 - 03:08:22 572
Yuma 02:53:27 -21.9 Dark Down 50.9 36.0 Up 02:38:27 - 03:08:27 488
Dunrhomin 02:52:38 -29.7 Dark Down 61.4 39.6 Up 02:37:38 - 03:07:38 484
George/Scottsdale 02:53:17 -24.3 Dark Down 53.0 35.9 Up 02:38:17 - 03:08:17 376

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, (2027/02/01 02:50UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 31.18 139
34Bet Aur      05:59:31.6 +44:56:51  1.9 15.86 156
15 Lyn         06:57:16.5 +58:25:19  5.1  0.35 140
PPM 030822     06:58:22.3 +57:53:39  8.2  0.21 141
PPM 030813     06:57:41.1 +57:54:48  8.7  0.16 141
06UX184        06:57:34.7 +58:04:33 15.1       141
Positions are for J2000

Event circumstances last updated at 2022/01/21 23:49:04 UT

Marc W. Buie, Southwest Research Institute

RECON