RECON: TNO occultation with 06UX184

Event between 06UX184 and star GA1380:02875644 with event index number of 1086959

Geocentric closest approach at 2021/12/27 10:16:13 UTC

J2000 position of star is 04:49:36.3 +49:24:15
Equinox of date position of star is 04:51:08.4 +49:26:16
Stellar brightness G=14.9, use SENSEUP=128
Star is 108 degrees from the moon. Moon is 47% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 21.0 AU from the Sun and 20.2 AU from the Earth.
The TNO is moving 21.9 km/sec on the sky relative to the star, or, 5.4 arcsec/hr.
The 1-sigma error in the time of the event is 188 seconds.
The 1-sigma cross-track error in the shadow position is 3347 km.
The sky-plane scale is 14634.3 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=105.7 km assuming a 5% albedo -- 2.7 sec chord
Diameter=43.1 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2021/12/27 10:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:11.1 +16:33:06  0.8 33.01 120
34Bet Aur      06:01:08.6 +44:56:50  1.9 12.65  98
PPM 047420     04:52:48.9 +48:46:35  5.7  0.71 108
PPM 047390     04:51:21.4 +49:37:30  7.8  0.18 108
PPM 047383     04:50:49.0 +49:28:28 10.8  0.08 108
06UX184        04:51:16.6 +49:26:26 14.9       108
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 14.5 km RECON observability=1.0 and success probability=10.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 10:13:26 -52.4 Dark Up 53.7 291.7 Up 09:58:26 - 10:28:26 3334
Kelowna 10:13:26 -52.7 Dark Up 53.6 292.1 Up 09:58:26 - 10:28:26 3292
Peachland 10:13:26 -52.9 Dark Up 53.8 292.1 Up 09:58:26 - 10:28:26 3270
Summerland 10:13:25 -53.0 Dark Up 53.7 292.3 Up 09:58:25 - 10:28:25 3260
Penticton 10:13:25 -52.9 Dark Up 53.6 292.5 Up 09:58:25 - 10:28:25 3258
Oliver 10:13:24 -53.1 Dark Up 53.4 292.9 Up 09:58:24 - 10:28:24 3226
Anarchist Mountain Observatory 10:13:23 -53.1 Dark Up 53.2 293.2 Up 09:58:23 - 10:28:23 3218
Tonasket 10:13:23 -53.3 Dark Up 53.2 293.5 Up 09:58:23 - 10:28:23 3186
Okanogan 10:13:22 -53.6 Dark Up 53.1 293.9 Up 09:58:22 - 10:28:22 3149
Brewster 10:13:22 -53.8 Dark Up 53.1 294.1 Up 09:58:22 - 10:28:22 3116
Niwot 10:12:33 -46.7 Dark Up 40.2 306.0 Up 09:57:33 - 10:27:33 3114
SwRI 10:12:32 -46.8 Dark Up 40.2 306.1 Up 09:57:32 - 10:27:32 3099
Manson/Chelan 10:13:22 -54.1 Dark Up 53.3 294.3 Up 09:58:22 - 10:28:22 3081
Entiat 10:13:22 -54.3 Dark Up 53.2 294.5 Up 09:58:22 - 10:28:22 3058
Wenatchee 10:13:21 -54.5 Dark Up 53.2 294.8 Up 09:58:21 - 10:28:21 3030
Victoria 10:13:31 -55.6 Dark Up 55.5 292.2 Up 09:58:31 - 10:28:31 3016
Ellensburg 10:13:21 -54.8 Dark Up 53.1 295.2 Up 09:58:21 - 10:28:21 2983
Pasco 10:13:16 -54.4 Dark Up 52.0 296.5 Up 09:58:16 - 10:28:16 2972
PNWRO 10:13:15 -54.3 Dark Up 51.7 296.9 Up 09:58:15 - 10:28:15 2958
Yakima 10:13:20 -55.1 Dark Up 53.0 295.7 Up 09:58:20 - 10:28:20 2944
Toppenish/White Swan 10:13:19 -55.1 Dark Up 52.8 296.0 Up 09:58:19 - 10:28:19 2930
Goldendale 10:13:19 -55.6 Dark Up 52.8 296.5 Up 09:58:19 - 10:28:19 2861
The Dalles 10:13:19 -55.9 Dark Up 52.9 296.7 Up 09:58:19 - 10:28:19 2825
Maupin 10:13:18 -56.1 Dark Up 52.7 297.2 Up 09:58:18 - 10:28:18 2790
Redmond 10:13:16 -56.6 Dark Up 52.3 298.2 Up 09:58:16 - 10:28:16 2700
Sisters 10:13:17 -56.8 Dark Up 52.6 298.1 Up 09:58:17 - 10:28:17 2686
Bend 10:13:16 -56.8 Dark Up 52.3 298.4 Up 09:58:16 - 10:28:16 2674
Oregon Observatory 10:13:16 -56.9 Dark Up 52.3 298.6 Up 09:58:16 - 10:28:16 2652
La Pine/Gilchrist 10:13:16 -57.1 Dark Up 52.3 298.8 Up 09:58:16 - 10:28:16 2630
North Lake 10:13:13 -56.9 Dark Up 51.7 299.4 Up 09:58:13 - 10:28:13 2615
Paisley 10:13:11 -56.9 Dark Up 51.2 300.1 Up 09:58:11 - 10:28:11 2578
Lakeview 10:13:09 -57.0 Dark Up 50.8 300.7 Up 09:58:09 - 10:28:09 2538
Cedarville 10:13:08 -57.1 Dark Up 50.4 301.4 Up 09:58:08 - 10:28:08 2484
Klamath Falls 10:13:13 -57.9 Dark Up 51.7 300.3 Up 09:58:13 - 10:28:13 2480
Fall River/Burney 10:13:10 -58.2 Dark Up 50.9 301.7 Up 09:58:10 - 10:28:10 2385
Susanville 10:13:07 -57.9 Dark Up 50.1 302.4 Up 09:58:07 - 10:28:07 2358
Gimple 10:13:07 -58.2 Dark Up 50.1 302.7 Up 09:58:07 - 10:28:07 2322
Greenville 10:13:07 -58.2 Dark Up 50.1 302.7 Up 09:58:07 - 10:28:07 2319
Reno 10:13:03 -57.6 Dark Up 49.1 303.4 Up 09:58:03 - 10:28:03 2314
Portola 10:13:05 -58.0 Dark Up 49.6 303.1 Up 09:58:05 - 10:28:05 2309
Quincy 10:13:06 -58.3 Dark Up 50.0 302.9 Up 09:58:06 - 10:28:06 2300
Tonopah 10:12:53 -56.2 Dark Up 46.6 305.1 Up 09:57:53 - 10:27:53 2299
Yerington 10:13:00 -57.3 Dark Up 48.3 304.0 Up 09:58:00 - 10:28:00 2293
Carson City 10:13:02 -57.7 Dark Up 48.9 303.8 Up 09:58:02 - 10:28:02 2281
Hawthorne 10:12:58 -57.1 Dark Up 47.8 304.5 Up 09:57:58 - 10:27:58 2274
Gardnerville 10:13:01 -57.8 Dark Up 48.7 304.0 Up 09:58:01 - 10:28:01 2260
DCO 10:12:38 -53.6 Dark Up 42.2 308.0 Up 09:57:38 - 10:27:38 2241
Indian Springs 10:12:46 -55.4 Dark Up 44.7 306.6 Up 09:57:46 - 10:27:46 2240
Patrick 10:12:40 -54.2 Dark Up 42.9 307.7 Up 09:57:40 - 10:27:40 2230
Henderson 10:12:44 -54.9 Dark Up 44.0 307.1 Up 09:57:44 - 10:27:44 2228
Beatty 10:12:50 -56.1 Dark Up 45.6 306.2 Up 09:57:50 - 10:27:50 2216
Kingman/Dolan Springs 10:12:40 -54.3 Dark Up 42.9 307.8 Up 09:57:40 - 10:27:40 2200
Lee Vining 10:12:58 -57.6 Dark Up 47.7 305.0 Up 09:57:58 - 10:27:58 2198
George/Scottsdale 10:12:32 -52.8 Dark Up 40.6 309.1 Up 09:57:32 - 10:27:32 2189
Searchlight/Boulder City 10:12:43 -55.0 Dark Up 43.6 307.5 Up 09:57:43 - 10:27:43 2179
Bishop 10:12:55 -57.3 Dark Up 46.9 305.6 Up 09:57:55 - 10:27:55 2178
Laughlin/Bullhead City 10:12:41 -54.8 Dark Up 43.2 307.8 Up 09:57:41 - 10:27:41 2171
Mohave Valley 10:12:41 -54.8 Dark Up 43.0 308.0 Up 09:57:41 - 10:27:41 2146
Lake Havasu City 10:12:39 -54.7 Dark Up 42.6 308.3 Up 09:57:39 - 10:27:39 2123
Parker 10:12:39 -54.7 Dark Up 42.4 308.5 Up 09:57:39 - 10:27:39 2093
Blythe 10:12:38 -55.0 Dark Up 42.2 308.9 Up 09:57:38 - 10:27:38 2030
Yuma 10:12:37 -55.1 Dark Up 41.7 309.5 Up 09:57:37 - 10:27:37 1945
Calipatria 10:12:40 -55.8 Dark Up 42.5 309.2 Up 09:57:40 - 10:27:40 1935
Idyllwild 10:12:44 -56.7 Dark Up 43.7 308.7 Up 09:57:44 - 10:27:44 1928
CPSLO 10:12:57 -59.6 Dark Up 47.2 307.2 Up 09:57:57 - 10:27:57 1876
Wildwood 10:12:50 -58.2 Dark Up 45.1 308.3 Up 09:57:50 - 10:27:50 1864

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, (2021/12/27 10:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 33.01 120
34Bet Aur      05:59:31.6 +44:56:51  1.9 12.65  98
PPM 047420     04:51:09.2 +48:44:26  5.7  0.71 108
PPM 047390     04:49:40.9 +49:35:18  7.8  0.18 108
PPM 047383     04:49:08.7 +49:26:16 10.8  0.08 108
06UX184        04:49:36.3 +49:24:15 14.9       108
Positions are for J2000

Event circumstances last updated at 2020/03/12 22:24:03 UT

Marc W. Buie, Southwest Research Institute

RECON