RECON: TNO occultation with 06UX184

Event between 06UX184 and star UC4-631-012542 with event index number of 98952

Geocentric closest approach at 2018/01/27 13:18:28 UTC

J2000 position of star is 03:30:02.5 +36:00:27
Equinox of date position of star is 03:31:09.1 +36:03:58
Stellar brightness R=15.9, use SENSEUP=128
Star is 25 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 20.5 AU from the Sun and 20.1 AU from the Earth.
The TNO is moving 6.0 km/sec on the sky relative to the star, or, 1.5 arcsec/hr.
The 1-sigma error in the time of the event is 630 seconds.
The 1-sigma cross-track error in the shadow position is 5258 km.
The sky-plane scale is 14569.0 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=116.4 km assuming a 5% albedo -- 19.5 sec chord
Diameter=47.5 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06UX184, (2018/01/27 13:18UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:36:57.6 +16:32:39  0.8 24.38   2
44Zet Per      03:55:16.4 +31:56:09  2.8  6.48  18
PPM 068561     03:33:49.4 +35:31:19  5.9  0.76  24
PPM 068499     03:29:58.4 +35:52:05  8.0  0.32  25
PPM 068516     03:31:22.1 +36:17:19  9.5  0.22  25
06UX184        03:31:12.1 +36:04:07 15.9        25
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 1.4 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 13:03:13 -13.6 AT Down -12.6 347.5 Not Up 12:48:13 - 13:18:13 192
Oroville 13:01:59 -24.9 Dark Down -1.1 336.4 Not Up 12:46:59 - 13:16:59 -463
Tonasket 13:01:59 -24.9 Dark Down -1.3 336.4 Not Up 12:46:59 - 13:16:59 -472
Okanogan 13:01:57 -25.0 Dark Down -1.5 336.3 Not Up 12:46:57 - 13:16:57 -496
Brewster 13:01:56 -25.2 Dark Down -1.7 336.1 Not Up 12:46:56 - 13:16:56 -521
PNWRO 13:01:56 -24.5 Dark Down -3.9 336.7 Not Up 12:46:56 - 13:16:56 -554
Manson/Chelan 13:01:54 -25.4 Dark Down -1.8 335.8 Not Up 12:46:54 - 13:16:54 -554
Pasco 13:01:56 -24.7 Dark Down -3.6 336.6 Not Up 12:46:56 - 13:16:56 -558
Entiat 13:01:53 -25.5 Dark Down -2.0 335.7 Not Up 12:46:53 - 13:16:53 -568
Wenatchee 13:01:52 -25.5 Dark Down -2.2 335.7 Not Up 12:46:52 - 13:16:52 -586
George/Umatilla 13:01:54 -24.8 Dark Down -3.8 336.4 Not Up 12:46:54 - 13:16:54 -588
DCO 13:02:33 -19.0 Dark Down -15.7 340.6 Not Up 12:47:33 - 13:17:33 -608
Ellensburg 13:01:51 -25.7 Dark Down -2.5 335.5 Not Up 12:46:51 - 13:16:51 -619
Toppenish/White Swan 13:01:51 -25.6 Dark Down -3.1 335.6 Not Up 12:46:51 - 13:16:51 -637
Yakima 13:01:50 -25.7 Dark Down -2.9 335.5 Not Up 12:46:50 - 13:16:50 -639
Patrick 13:02:28 -19.6 Dark Down -15.2 340.1 Not Up 12:47:28 - 13:17:28 -651
Kingman/Dolan Springs 13:02:28 -19.8 Dark Down -15.3 339.9 Not Up 12:47:28 - 13:17:28 -676
Goldendale 13:01:48 -25.9 Dark Down -3.5 335.2 Not Up 12:46:48 - 13:16:48 -691
Henderson 13:02:21 -20.6 Dark Down -14.3 339.2 Not Up 12:47:21 - 13:17:21 -711
Laughlin/Bullhead City 13:02:25 -20.2 Dark Down -15.2 339.5 Not Up 12:47:25 - 13:17:25 -718
The Dalles 13:01:47 -26.1 Dark Down -3.6 334.9 Not Up 12:46:47 - 13:16:47 -726
Lake Havasu City 13:02:28 -19.9 Dark Down -15.9 339.6 Not Up 12:47:28 - 13:17:28 -728
Mohave Valley 13:02:26 -20.1 Dark Down -15.5 339.5 Not Up 12:47:26 - 13:17:26 -730
Searchlight/Boulder City 13:02:22 -20.5 Dark Down -14.8 339.2 Not Up 12:47:22 - 13:17:22 -732
Maupin 13:01:46 -26.1 Dark Down -4.0 335.0 Not Up 12:46:46 - 13:16:46 -739
Indian Springs 13:02:16 -21.3 Dark Down -13.5 338.7 Not Up 12:47:16 - 13:17:16 -741
Parker 13:02:29 -19.8 Dark Down -16.2 339.6 Not Up 12:47:29 - 13:17:29 -742
Madras/Culver 13:01:46 -26.1 Dark Down -4.5 335.0 Not Up 12:46:46 - 13:16:46 -767
Redmond 13:01:45 -26.1 Dark Down -4.8 334.9 Not Up 12:46:45 - 13:16:45 -788
Blythe 13:02:29 -19.9 Dark Down -16.6 339.3 Not Up 12:47:29 - 13:17:29 -790
Tonopah 13:02:05 -22.7 Dark Down -11.7 337.6 Not Up 12:47:05 - 13:17:05 -791
Bend 13:01:45 -26.2 Dark Down -4.9 334.8 Not Up 12:46:45 - 13:16:45 -807
Beatty 13:02:10 -22.2 Dark Down -12.9 337.9 Not Up 12:47:10 - 13:17:10 -810
Sisters 13:01:44 -26.4 Dark Down -4.6 334.6 Not Up 12:46:44 - 13:16:44 -814
North Lake 13:01:45 -25.9 Dark Down -5.8 335.1 Not Up 12:46:45 - 13:16:45 -818
Paisley 13:01:47 -25.6 Dark Down -6.4 335.3 Not Up 12:46:47 - 13:16:47 -819
Oregon Observatory 13:01:44 -26.3 Dark Down -5.1 334.7 Not Up 12:46:44 - 13:16:44 -825
Lakeview 13:01:48 -25.5 Dark Down -6.9 335.5 Not Up 12:46:48 - 13:16:48 -829
Yuma 13:02:32 -19.8 Dark Down -17.5 339.2 Not Up 12:47:32 - 13:17:32 -836
La Pine/Gilchrist 13:01:44 -26.4 Dark Down -5.2 334.6 Not Up 12:46:44 - 13:16:44 -839
Cedarville 13:01:48 -25.3 Dark Down -7.6 335.6 Not Up 12:46:48 - 13:16:48 -848
Hawthorne 13:01:58 -23.9 Dark Down -10.8 336.6 Not Up 12:46:58 - 13:16:58 -877
Calipatria 13:02:25 -20.6 Dark Down -16.8 338.5 Not Up 12:47:25 - 13:17:25 -889
Yerington 13:01:55 -24.4 Dark Down -10.2 336.2 Not Up 12:46:55 - 13:16:55 -895
Bishop 13:02:01 -23.6 Dark Down -12.0 336.6 Not Up 12:47:01 - 13:17:01 -915
Reno 13:01:51 -24.9 Dark Down -9.5 335.7 Not Up 12:46:51 - 13:16:51 -917
Chiloquin 13:01:42 -26.6 Dark Down -6.1 334.3 Not Up 12:46:42 - 13:16:42 -918
Tulelake 13:01:43 -26.3 Dark Down -6.8 334.6 Not Up 12:46:43 - 13:16:43 -921
Lone Pine 13:02:04 -23.2 Dark Down -12.8 336.8 Not Up 12:47:04 - 13:17:04 -925
Klamath Falls 13:01:41 -26.6 Dark Down -6.4 334.4 Not Up 12:46:41 - 13:16:41 -929
Carson City 13:01:52 -24.9 Dark Down -9.9 335.7 Not Up 12:46:52 - 13:16:52 -933
Susanville 13:01:47 -25.6 Dark Down -8.5 335.1 Not Up 12:46:47 - 13:16:47 -937
Lee Vining 13:01:56 -24.2 Dark Down -11.2 336.1 Not Up 12:46:56 - 13:16:56 -941
Gardnerville 13:01:52 -24.8 Dark Down -10.1 335.7 Not Up 12:46:52 - 13:16:52 -941
Portola 13:01:48 -25.4 Dark Down -9.1 335.2 Not Up 12:46:48 - 13:16:48 -952
Idyllwild 13:02:17 -21.7 Dark Down -15.9 337.6 Not Up 12:47:17 - 13:17:17 -955
Fall River/Burney 13:01:44 -26.2 Dark Down -7.6 334.6 Not Up 12:46:44 - 13:16:44 -960
Gimple 13:01:46 -25.8 Dark Down -8.6 334.9 Not Up 12:46:46 - 13:16:46 -966
Greenville 13:01:46 -25.8 Dark Down -8.6 334.9 Not Up 12:46:46 - 13:16:46 -972
Quincy 13:01:46 -25.8 Dark Down -8.8 334.9 Not Up 12:46:46 - 13:16:46 -982
Wildwood 13:02:07 -23.4 Dark Down -14.9 336.2 Not Up 12:47:07 - 13:17:07 -1090
CPSLO 13:01:54 -25.2 Dark Down -13.1 334.7 Not Up 12:46:54 - 13:16:54 -1193

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, (2018/01/27 13:18UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 24.38   2
44Zet Per      03:54:07.9 +31:53:01  2.8  6.48  18
PPM 068561     03:32:40.0 +35:27:42  5.9  0.76  24
PPM 068499     03:28:49.0 +35:48:24  8.0  0.32  25
PPM 068516     03:30:12.4 +36:13:39  9.5  0.22  25
06UX184        03:30:02.5 +36:00:27 15.9        25
Positions are for J2000

Event circumstances last updated at 2017/04/24 16:16:58 UT

Marc W. Buie, Southwest Research Institute

RECON