RECON: TNO occultation with 06UX184

Event between 06UX184 and star UC4-631-014009 with event index number of 98922

Geocentric closest approach at 2017/09/21 17:21:33 UTC

J2000 position of star is 03:49:02.6 +36:01:44
Equinox of date position of star is 03:50:10.1 +36:04:51
Stellar brightness R=15.8, use SENSEUP=128
Star is 130 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 20.4 AU from the Sun and 20.0 AU from the Earth.
The TNO is moving 13.4 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 471 seconds.
The 1-sigma cross-track error in the shadow position is 4521 km.
The sky-plane scale is 14506.5 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=116.4 km assuming a 5% albedo -- 8.7 sec chord
Diameter=47.5 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2017/09/21 17:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:36:56.4 +16:32:37  0.8 22.13 127
44Zet Per      03:55:15.0 +31:56:06  2.8  4.28 132
PPM 068741     03:45:40.6 +36:30:53  5.6  1.01 131
PPM 068743     03:45:43.9 +35:54:37  8.3  0.92 131
PPM 068799     03:50:12.0 +36:26:24  9.6  0.36 130
PPM 068786     03:49:20.1 +36:09:43 11.2  0.19 131
06UX184        03:50:11.7 +36:04:55 15.8       130
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 1.9 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)
Niwot 17:20:49 45.1 Sun up Up 16.7 303.4 Really Low 17:05:49 - 17:35:49 2110
DCO 17:19:46 44.6 Sun up Up 19.6 300.9 Really Low 17:04:46 - 17:34:46 1874
Patrick 17:19:46 44.0 Sun up Up 20.2 300.5 Low 17:04:46 - 17:34:46 1849
Kingman/Dolan Springs 17:19:44 44.0 Sun up Up 20.2 300.5 Low 17:04:44 - 17:34:44 1841
Lake Havasu City 17:19:38 44.3 Sun up Up 20.1 300.6 Low 17:04:38 - 17:34:38 1826
Parker 17:19:36 44.5 Sun up Up 19.9 300.7 Really Low 17:04:36 - 17:34:36 1825
Laughlin/Bullhead City 17:19:42 43.7 Sun up Up 20.6 300.3 Low 17:04:42 - 17:34:42 1820
Mohave Valley 17:19:40 43.9 Sun up Up 20.5 300.3 Low 17:04:40 - 17:34:40 1819
Blythe 17:19:31 44.7 Sun up Up 19.9 300.7 Really Low 17:04:31 - 17:34:31 1810
Searchlight/Boulder City 17:19:44 43.3 Sun up Up 21.0 300.0 Low 17:04:44 - 17:34:44 1809
Henderson 17:19:48 42.9 Sun up Up 21.3 299.8 Low 17:04:48 - 17:34:48 1809
Yuma 17:19:25 45.2 Sun up Up 19.4 301.0 Really Low 17:04:25 - 17:34:25 1801
Indian Springs 17:19:50 42.1 Sun up Up 22.1 299.3 Low 17:04:50 - 17:34:50 1784
Calipatria 17:19:25 44.4 Sun up Up 20.3 300.5 Low 17:04:25 - 17:34:25 1769
Beatty 17:19:49 41.3 Sun up Up 23.0 298.7 Low 17:04:49 - 17:34:49 1742
Tonopah 17:19:57 40.2 Sun up Up 23.8 298.1 Low 17:04:57 - 17:34:57 1727
Idyllwild 17:19:26 43.2 Sun up Up 21.5 299.8 Low 17:04:26 - 17:34:26 1727
Lone Pine 17:19:43 40.6 Sun up Up 23.8 298.3 Low 17:04:43 - 17:34:43 1688
Bishop 17:19:49 39.9 Sun up Up 24.3 297.8 Low 17:04:49 - 17:34:49 1677
Hawthorne 17:19:57 39.1 Sun up Up 25.0 297.3 Low 17:04:57 - 17:34:57 1670
Lee Vining 17:19:51 39.1 Sun up Up 25.1 297.3 Low 17:04:51 - 17:34:51 1649
Yerington 17:20:00 38.5 Sun up Up 25.6 296.8 Low 17:05:00 - 17:35:00 1649
Wildwood 17:19:24 41.7 Sun up Up 23.0 299.0 Low 17:04:24 - 17:34:24 1649
Gardnerville 17:19:58 38.2 Sun up Up 26.0 296.6 Low 17:04:58 - 17:34:58 1624
Carson City 17:20:00 38.0 Sun up Up 26.1 296.5 Low 17:05:00 - 17:35:00 1623
Reno 17:20:02 37.7 Sun up Up 26.3 296.3 Low 17:05:02 - 17:35:02 1622
PNWRO 17:20:54 34.1 Sun up Up 28.3 293.9 Low 17:05:54 - 17:35:54 1619
Pasco 17:20:56 33.8 Sun up Up 28.5 293.6 Low 17:05:56 - 17:35:56 1608
Cedarville 17:20:17 36.3 Sun up Up 27.4 295.2 Low 17:05:17 - 17:35:17 1604
George/Umatilla 17:20:53 34.0 Sun up Up 28.5 293.6 Low 17:05:53 - 17:35:53 1604
Lakeview 17:20:22 35.8 Sun up Up 27.7 294.9 Low 17:05:22 - 17:35:22 1595
Portola 17:20:03 37.2 Sun up Up 26.9 295.9 Low 17:05:03 - 17:35:03 1595
Susanville 17:20:07 36.7 Sun up Up 27.2 295.5 Low 17:05:07 - 17:35:07 1586
Paisley 17:20:25 35.4 Sun up Up 28.1 294.5 Low 17:05:25 - 17:35:25 1585
Gimple 17:20:04 36.8 Sun up Up 27.3 295.5 Low 17:05:04 - 17:35:04 1577
Quincy 17:20:03 36.8 Sun up Up 27.2 295.6 Low 17:05:03 - 17:35:03 1574
Greenville 17:20:04 36.7 Sun up Up 27.3 295.5 Low 17:05:04 - 17:35:04 1574
North Lake 17:20:28 34.8 Sun up Up 28.5 294.1 Low 17:05:28 - 17:35:28 1567
CPSLO 17:19:28 39.7 Sun up Up 25.1 297.7 Low 17:04:28 - 17:34:28 1567
Tonasket 17:21:14 32.0 Sun up Up 29.6 292.2 Low 17:06:14 - 17:36:14 1562
Okanogan 17:21:12 32.2 Sun up Up 29.6 292.3 Low 17:06:12 - 17:36:12 1562
Toppenish/White Swan 17:20:54 33.1 Sun up Up 29.4 292.8 Low 17:05:54 - 17:35:54 1559
Brewster 17:21:09 32.3 Sun up Up 29.6 292.3 Low 17:06:09 - 17:36:09 1559
Oroville 17:21:16 31.9 Sun up Up 29.7 292.1 Low 17:06:16 - 17:36:16 1558
Fall River/Burney 17:20:11 35.9 Sun up Up 28.0 294.9 Low 17:05:11 - 17:35:11 1554
Yakima 17:20:56 32.9 Sun up Up 29.6 292.6 Low 17:05:56 - 17:35:56 1551
Entiat 17:21:05 32.3 Sun up Up 29.7 292.3 Low 17:06:05 - 17:36:05 1549
Goldendale 17:20:49 33.2 Sun up Up 29.4 292.9 Low 17:05:49 - 17:35:49 1549
Redmond 17:20:36 34.0 Sun up Up 29.1 293.4 Low 17:05:36 - 17:35:36 1549
Wenatchee 17:21:02 32.5 Sun up Up 29.7 292.3 Low 17:06:02 - 17:36:02 1549
Manson/Chelan 17:21:07 32.2 Sun up Up 29.8 292.2 Low 17:06:07 - 17:36:07 1549
Tulelake 17:20:18 35.3 Sun up Up 28.4 294.4 Low 17:05:18 - 17:35:18 1549
Madras/Culver 17:20:39 33.8 Sun up Up 29.2 293.3 Low 17:05:39 - 17:35:39 1549
Ellensburg 17:20:59 32.6 Sun up Up 29.7 292.4 Low 17:05:59 - 17:35:59 1547
Bend 17:20:33 34.1 Sun up Up 29.1 293.5 Low 17:05:33 - 17:35:33 1545
Maupin 17:20:44 33.5 Sun up Up 29.4 293.0 Low 17:05:44 - 17:35:44 1545
Oregon Observatory 17:20:32 34.1 Sun up Up 29.1 293.5 Low 17:05:32 - 17:35:32 1541
La Pine/Gilchrist 17:20:30 34.2 Sun up Up 29.1 293.5 Low 17:05:30 - 17:35:30 1540
The Dalles 17:20:46 33.2 Sun up Up 29.6 292.8 Low 17:05:46 - 17:35:46 1537
Klamath Falls 17:20:19 35.0 Sun up Up 28.7 294.1 Low 17:05:19 - 17:35:19 1536
Sisters 17:20:35 33.8 Sun up Up 29.4 293.2 Low 17:05:35 - 17:35:35 1533
Chiloquin 17:20:22 34.7 Sun up Up 28.9 293.9 Low 17:05:22 - 17:35:22 1531

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, (2017/09/21 17:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 22.13 127
44Zet Per      03:54:07.9 +31:53:01  2.8  4.28 132
PPM 068741     03:44:31.5 +36:27:36  5.6  1.01 131
PPM 068743     03:44:35.1 +35:51:20  8.3  0.92 131
PPM 068799     03:49:02.8 +36:23:13  9.6  0.36 130
PPM 068786     03:48:11.1 +36:06:31 11.2  0.19 131
06UX184        03:49:02.6 +36:01:44 15.8       130
Positions are for J2000

Event circumstances last updated at 2017/04/24 16:11:47 UT

Marc W. Buie, Southwest Research Institute

RECON