RECON: TNO occultation with 06UX184

Event between 06UX184 and star GA1360:02298530 with event index number of 1032298

Geocentric closest approach at 2021/01/18 11:41:02 UTC

J2000 position of star is 04:23:57.0 +46:16:35
Equinox of date position of star is 04:25:28.2 +46:19:24
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 74 degrees from the moon. Moon is 28% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 20.8 AU from the Sun and 20.2 AU from the Earth.
The TNO is moving 15.1 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 48 seconds.
The 1-sigma cross-track error in the shadow position is 732 km.
The sky-plane scale is 14645.5 km/arcsec.

The TNO has an absolute magnitude Hv=8.8
Diameter=105.7 km assuming a 5% albedo -- 7.0 sec chord
Diameter=43.1 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2021/01/18 11:41UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.9 +16:33:00  0.8 29.87  67
Mirphak        03:25:50.2 +49:56:04  1.8 10.56  67
53 Per         04:23:04.9 +46:32:51  4.7  0.47  74
PPM 047057     04:27:00.7 +46:11:26  7.2  0.30  74
PPM 047046     04:26:01.1 +46:26:48  9.1  0.15  74
06UX184        04:25:28.6 +46:19:25 14.7        74
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 23.3 km RECON observability=0.5 and success probability=9.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Niwot 11:34:31 -31.2 Dark Down 11.3 322.6 Really Low 11:29:59 - 11:39:03 -994
SwRI 11:34:32 -31.3 Dark Down 11.3 322.6 Really Low 11:30:00 - 11:39:04 -1007
Clarence Fulton 11:35:01 -39.7 Dark Down 25.4 312.8 Low 11:30:29 - 11:39:33 -1202
Kelowna 11:35:00 -39.9 Dark Down 25.3 312.8 Low 11:30:28 - 11:39:32 -1238
Peachland 11:35:00 -40.1 Dark Down 25.3 312.7 Low 11:30:28 - 11:39:32 -1261
Penticton 11:34:59 -40.1 Dark Down 25.1 312.9 Low 11:30:27 - 11:39:31 -1265
Summerland 11:35:00 -40.1 Dark Down 25.2 312.8 Low 11:30:28 - 11:39:32 -1267
Oliver 11:34:58 -40.2 Dark Down 24.8 313.0 Low 11:30:26 - 11:39:30 -1290
Anarchist Mountain Observatory 11:34:57 -40.1 Dark Down 24.6 313.2 Low 11:30:25 - 11:39:29 -1291
Tonasket 11:34:56 -40.2 Dark Down 24.5 313.2 Low 11:30:24 - 11:39:28 -1317
Okanogan 11:34:56 -40.4 Dark Down 24.3 313.3 Low 11:30:24 - 11:39:28 -1348
Brewster 11:34:55 -40.6 Dark Down 24.2 313.3 Low 11:30:23 - 11:39:27 -1378
Manson/Chelan 11:34:54 -40.9 Dark Down 24.3 313.1 Low 11:30:22 - 11:39:26 -1414
Entiat 11:34:53 -41.0 Dark Down 24.1 313.2 Low 11:30:21 - 11:39:25 -1433
Wenatchee 11:34:53 -41.2 Dark Down 24.0 313.2 Low 11:30:21 - 11:39:25 -1457
Pasco 11:34:48 -40.7 Dark Down 22.6 314.2 Low 11:30:16 - 11:39:20 -1471
PNWRO 11:34:47 -40.6 Dark Down 22.3 314.4 Low 11:30:15 - 11:39:19 -1475
Ellensburg 11:34:51 -41.4 Dark Down 23.8 313.2 Low 11:30:19 - 11:39:23 -1499
Yakima 11:34:50 -41.5 Dark Down 23.6 313.3 Low 11:30:18 - 11:39:22 -1529
Toppenish/White Swan 11:34:49 -41.5 Dark Down 23.3 313.5 Low 11:30:17 - 11:39:21 -1535
Victoria 11:34:59 -42.8 Dark Down 26.3 311.2 Low 11:30:27 - 11:39:31 -1543
Goldendale 11:34:48 -41.9 Dark Down 23.2 313.4 Low 11:30:16 - 11:39:20 -1599
The Dalles 11:34:47 -42.2 Dark Down 23.2 313.3 Low 11:30:15 - 11:39:19 -1636
Maupin 11:34:46 -42.2 Dark Down 22.9 313.5 Low 11:30:14 - 11:39:18 -1660
Redmond 11:34:43 -42.5 Dark Down 22.3 313.7 Low 11:30:11 - 11:39:15 -1732
Sisters 11:34:44 -42.8 Dark Down 22.5 313.5 Low 11:30:12 - 11:39:16 -1754
Bend 11:34:43 -42.7 Dark Down 22.2 313.7 Low 11:30:11 - 11:39:15 -1756
Oregon Observatory 11:34:43 -42.8 Dark Down 22.2 313.7 Low 11:30:11 - 11:39:15 -1776
North Lake 11:34:40 -42.6 Dark Down 21.5 314.1 Low 11:30:08 - 11:39:12 -1791
La Pine/Gilchrist 11:34:42 -42.9 Dark Down 22.1 313.7 Low 11:30:10 - 11:39:14 -1795
Paisley 11:34:39 -42.4 Dark Down 20.9 314.5 Low 11:30:07 - 11:39:11 -1810
Lakeview 11:34:37 -42.4 Dark Down 20.4 314.7 Low 11:30:05 - 11:39:09 -1836
DCO 11:34:18 -37.5 Dark Down 11.5 319.4 Really Low 11:29:46 - 11:38:50 -1868
George/Scottsdale 11:34:16 -36.4 Dark Down 9.7 320.1 Really Low 11:29:44 - 11:38:48 -1871
Cedarville 11:34:35 -42.4 Dark Down 19.9 314.9 Really Low 11:30:03 - 11:39:07 -1873
Patrick 11:34:19 -38.1 Dark Down 12.1 319.0 Really Low 11:29:47 - 11:38:51 -1897
Klamath Falls 11:34:39 -43.4 Dark Down 21.2 314.0 Low 11:30:07 - 11:39:11 -1919
Kingman/Dolan Springs 11:34:18 -38.3 Dark Down 12.0 318.9 Really Low 11:29:46 - 11:38:50 -1926
Henderson 11:34:20 -39.0 Dark Down 13.1 318.4 Really Low 11:29:48 - 11:38:52 -1930
Tonopah 11:34:25 -40.6 Dark Down 15.8 317.1 Really Low 11:29:53 - 11:38:57 -1937
Indian Springs 11:34:22 -39.5 Dark Down 13.9 318.0 Really Low 11:29:50 - 11:38:54 -1940
Laughlin/Bullhead City 11:34:19 -38.7 Dark Down 12.3 318.7 Really Low 11:29:47 - 11:38:51 -1963
Searchlight/Boulder City 11:34:20 -39.0 Dark Down 12.7 318.5 Really Low 11:29:48 - 11:38:52 -1966
Mohave Valley 11:34:18 -38.7 Dark Down 12.1 318.8 Really Low 11:29:46 - 11:38:50 -1982
Fall River/Burney 11:34:35 -43.4 Dark Down 20.2 314.5 Low 11:30:03 - 11:39:07 -1984
Susanville 11:34:32 -43.0 Dark Down 19.4 315.0 Really Low 11:30:00 - 11:39:04 -1985
Beatty 11:34:23 -40.4 Dark Down 14.7 317.5 Really Low 11:29:51 - 11:38:55 -1990
Lake Havasu City 11:34:17 -38.5 Dark Down 11.6 318.9 Really Low 11:29:45 - 11:38:49 -1993
Hawthorne 11:34:27 -41.7 Dark Down 16.9 316.3 Really Low 11:29:55 - 11:38:59 -1996
Yerington 11:34:28 -42.0 Dark Down 17.5 316.0 Really Low 11:29:56 - 11:39:00 -1996
Reno 11:34:30 -42.5 Dark Down 18.3 315.6 Really Low 11:29:58 - 11:39:02 -1997
Parker 11:34:17 -38.5 Dark Down 11.4 319.0 Really Low 11:29:45 - 11:38:49 -2015
Portola 11:34:31 -42.9 Dark Down 18.8 315.2 Really Low 11:29:59 - 11:39:03 -2019
Gimple 11:34:32 -43.2 Dark Down 19.3 315.0 Really Low 11:30:00 - 11:39:04 -2019
Carson City 11:34:29 -42.5 Dark Down 18.0 315.7 Really Low 11:29:57 - 11:39:01 -2022
Greenville 11:34:32 -43.2 Dark Down 19.3 314.9 Really Low 11:30:00 - 11:39:04 -2024
Gardnerville 11:34:29 -42.5 Dark Down 17.8 315.7 Really Low 11:29:57 - 11:39:01 -2037
Quincy 11:34:32 -43.3 Dark Down 19.2 315.0 Really Low 11:30:00 - 11:39:04 -2039
Bishop 11:34:24 -41.6 Dark Down 16.0 316.7 Really Low 11:29:52 - 11:38:56 -2065
Lee Vining 11:34:26 -42.1 Dark Down 16.8 316.2 Really Low 11:29:54 - 11:38:58 -2069
Blythe 11:34:17 -38.7 Dark Down 11.1 318.9 Really Low 11:29:45 - 11:38:49 -2074
Yuma 11:34:14 -38.8 Dark Down 10.5 319.0 Really Low 11:29:42 - 11:38:46 -2142
Calipatria 11:34:17 -39.5 Dark Down 11.3 318.6 Really Low 11:29:45 - 11:38:49 -2175
Idyllwild 11:34:17 -40.5 Dark Down 12.4 318.0 Really Low 11:29:45 - 11:38:49 -2214
Wildwood 11:34:18 -42.0 Dark Down 13.7 317.2 Really Low 11:29:46 - 11:38:50 -2319
CPSLO 11:34:22 -43.6 Dark Down 15.7 316.1 Really Low 11:29:50 - 11:38:54 -2368

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, (2021/01/18 11:41UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 29.87  67
Mirphak        03:24:19.4 +49:51:40  1.8 10.56  67
53 Per         04:21:33.1 +46:29:56  4.7  0.47  74
PPM 047057     04:25:29.1 +46:08:38  7.2  0.30  74
PPM 047046     04:24:29.3 +46:23:59  9.1  0.15  74
06UX184        04:23:57.0 +46:16:35 14.7        74
Positions are for J2000

Event circumstances last updated at 2020/12/13 20:18:17 UT

Marc W. Buie, Southwest Research Institute

RECON