RECON: TNO occultation with 06UX184

Event between 06UX184 and star GA1380:02891887 with event index number of 2016376

Geocentric closest approach at 2021/12/23 00:52:18 UTC

J2000 position of star is 04:50:34.9 +49:25:34
Equinox of date position of star is 04:52:15.0 +49:27:44
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 58 degrees from the moon. Moon is 87% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 21.0 AU from the Sun and 20.2 AU from the Earth.
The TNO is moving 22.6 km/sec on the sky relative to the star, or, 5.6 arcsec/hr.
The 1-sigma error in the time of the event is 186 seconds.
The 1-sigma cross-track error in the shadow position is 3327 km.
The sky-plane scale is 14618.6 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 4.7 sec chord
Diameter=43.1 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2021/12/23 00:52UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:11.1 +16:33:06  0.8 33.05  65
34Bet Aur      06:01:08.5 +44:56:50  1.9 12.51  45
PPM 047420     04:52:48.8 +48:46:35  5.7  0.69  58
PPM 047390     04:51:21.4 +49:37:30  7.8  0.22  58
06UX184        04:52:15.3 +49:27:44 17.0        57
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 4.8 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 00:55:10 -5.5 CT Down 34.4 52.1 Up 00:40:10 - 01:10:10 3929
Kamloops 00:55:02 -8.3 NT Down 37.3 54.8 Up 00:40:02 - 01:10:02 3845
Peachland 00:55:06 -8.2 NT Down 37.1 54.5 Up 00:40:06 - 01:10:06 3776
Summerland 00:55:07 -8.2 NT Down 37.0 54.4 Up 00:40:07 - 01:10:07 3764
Kelowna 00:55:06 -8.4 NT Down 37.3 54.7 Up 00:40:06 - 01:10:06 3764
Penticton 00:55:07 -8.2 NT Down 37.1 54.5 Up 00:40:07 - 01:10:07 3755
Oliver 00:55:09 -8.1 NT Down 36.9 54.2 Up 00:40:09 - 01:10:09 3741
Anarchist Mountain Observatory 00:55:09 -8.1 NT Down 36.9 54.2 Up 00:40:09 - 01:10:09 3723
Manson/Chelan 00:55:14 -7.2 NT Down 35.8 53.2 Up 00:40:14 - 01:10:14 3720
Tonasket 00:55:10 -7.9 NT Down 36.7 54.0 Up 00:40:10 - 01:10:10 3714
Wenatchee 00:55:15 -6.8 NT Down 35.4 52.9 Up 00:40:15 - 01:10:15 3709
Okanogan 00:55:12 -7.7 NT Down 36.4 53.7 Up 00:40:12 - 01:10:12 3708
Brewster 00:55:13 -7.5 NT Down 36.1 53.5 Up 00:40:13 - 01:10:13 3708
Ellensburg 00:55:17 -6.5 NT Down 35.0 52.5 Up 00:40:17 - 01:10:17 3704
Yakima 00:55:19 -6.3 NT Down 34.8 52.3 Up 00:40:19 - 01:10:19 3688
The Dalles 00:55:22 -5.5 CT Down 33.8 51.5 Up 00:40:22 - 01:10:22 3681
Goldendale 00:55:21 -5.8 CT Down 34.2 51.8 Up 00:40:21 - 01:10:21 3669
Toppenish/White Swan 00:55:19 -6.3 NT Down 34.8 52.3 Up 00:40:19 - 01:10:19 3668
Maupin 00:55:24 -5.4 CT Down 33.6 51.3 Up 00:40:24 - 01:10:24 3656
Sisters 00:55:27 -4.6 CT Down 32.8 50.7 Up 00:40:27 - 01:10:27 3647
Redmond 00:55:27 -4.9 CT Down 33.0 50.8 Up 00:40:27 - 01:10:27 3621
Oregon Observatory 00:55:29 -4.5 CT Down 32.6 50.5 Up 00:40:29 - 01:10:29 3621
Bend 00:55:28 -4.7 CT Down 32.8 50.7 Up 00:40:28 - 01:10:28 3620
La Pine/Gilchrist 00:55:29 -4.4 CT Down 32.5 50.4 Up 00:40:29 - 01:10:29 3615
Pasco 00:55:20 -7.1 NT Down 35.4 52.7 Up 00:40:20 - 01:10:20 3588
Chiloquin 00:55:34 -3.6 CT Down 31.6 49.8 Up 00:40:34 - 01:10:34 3586
Klamath Falls 00:55:34 -3.5 CT Down 31.4 49.6 Up 00:40:34 - 01:10:34 3565
PNWRO 00:55:21 -7.1 NT Down 35.4 52.7 Up 00:40:21 - 01:10:21 3564
North Lake 00:55:31 -4.6 CT Down 32.5 50.5 Up 00:40:31 - 01:10:31 3558
Paisley 00:55:33 -4.6 CT Down 32.4 50.3 Up 00:40:33 - 01:10:33 3510
Fall River/Burney 00:55:39 -3.2 CT Down 30.9 49.2 Up 00:40:39 - 01:10:39 3485
Lakeview 00:55:35 -4.5 CT Down 32.2 50.2 Up 00:40:35 - 01:10:35 3474
Cedarville 00:55:37 -4.3 CT Down 31.9 49.9 Up 00:40:37 - 01:10:37 3431
Greenville 00:55:42 -3.1 CT Down 30.5 49.0 Up 00:40:42 - 01:10:42 3412
Susanville 00:55:41 -3.4 CT Down 30.9 49.2 Up 00:40:41 - 01:10:41 3407
Gimple 00:55:42 -3.2 CT Down 30.6 49.0 Up 00:40:42 - 01:10:42 3406
Quincy 00:55:43 -3.0 CT Down 30.4 48.9 Up 00:40:43 - 01:10:43 3402
Portola 00:55:43 -3.3 CT Down 30.6 49.0 Up 00:40:43 - 01:10:43 3364
Reno 00:55:44 -3.6 CT Down 30.8 49.1 Up 00:40:44 - 01:10:44 3308
Carson City 00:55:45 -3.5 CT Down 30.6 49.0 Up 00:40:45 - 01:10:45 3289
Gardnerville 00:55:46 -3.4 CT Down 30.5 48.9 Up 00:40:46 - 01:10:46 3273
Yerington 00:55:46 -3.8 CT Down 30.8 49.1 Up 00:40:46 - 01:10:46 3237
Lee Vining 00:55:50 -3.4 CT Down 30.2 48.6 Up 00:40:50 - 01:10:50 3180
Hawthorne 00:55:47 -4.0 CT Down 30.8 49.1 Up 00:40:47 - 01:10:47 3177
Sleaford 00:54:53 -17.1 AT Down 45.7 63.0 Up 00:39:53 - 01:09:53 3147
CPSLO 00:55:58 -1.1 CT Down 27.5 47.1 Low 00:40:58 - 01:10:58 3142
Bishop 00:55:52 -3.6 CT Down 30.2 48.6 Up 00:40:52 - 01:10:52 3099
Tonopah 00:55:49 -4.7 CT Down 31.4 49.3 Up 00:40:49 - 01:10:49 3058
Beatty 00:55:53 -4.6 CT Down 30.9 48.9 Up 00:40:53 - 01:10:53 2963
Wildwood 00:56:01 -2.0 CT Down 27.9 47.2 Low 00:41:01 - 01:11:01 2931
Indian Springs 00:55:54 -5.2 CT Down 31.4 49.0 Up 00:40:54 - 01:10:54 2870
Henderson 00:55:55 -5.5 CT Down 31.4 49.0 Up 00:40:55 - 01:10:55 2792
Idyllwild 00:56:03 -3.2 CT Down 28.9 47.6 Low 00:41:03 - 01:11:03 2778
Laughlin/Bullhead City 00:55:58 -5.4 CT Down 31.1 48.7 Up 00:40:58 - 01:10:58 2712
Mohave Valley 00:55:58 -5.3 CT Down 30.9 48.6 Up 00:40:58 - 01:10:58 2695
Patrick 00:55:57 -6.1 NT Down 31.7 49.0 Up 00:40:57 - 01:10:57 2678
Kingman/Dolan Springs 00:55:58 -5.8 CT Down 31.4 48.8 Up 00:40:58 - 01:10:58 2677
Calipatria 00:56:04 -3.9 CT Down 29.2 47.6 Low 00:41:04 - 01:11:04 2657
Lake Havasu City 00:56:00 -5.4 CT Down 30.8 48.5 Up 00:41:00 - 01:11:00 2654
Parker 00:56:01 -5.2 CT Down 30.6 48.3 Up 00:41:01 - 01:11:01 2631
Blythe 00:56:03 -4.8 CT Down 30.1 48.0 Up 00:41:03 - 01:11:03 2620
Yuma 00:56:05 -4.4 CT Down 29.4 47.6 Low 00:41:05 - 01:11:05 2567
George/Scottsdale 00:56:01 -6.9 NT Down 31.9 48.7 Up 00:41:01 - 01:11:01 2433
Dunrhomin 00:55:36 -14.2 AT Down 40.0 53.9 Up 00:40:36 - 01:10:36 2397

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, (2021/12/23 00:52UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 33.05  65
34Bet Aur      05:59:31.6 +44:56:51  1.9 12.51  45
PPM 047420     04:51:09.2 +48:44:26  5.7  0.69  58
PPM 047390     04:49:40.9 +49:35:18  7.8  0.22  58
06UX184        04:50:34.9 +49:25:34 17.0        58
Positions are for J2000

Event circumstances last updated at 2021/12/04 02:02:07 UT

Marc W. Buie, Southwest Research Institute

RECON