RECON: TNO occultation with 02CT154

Event between 02CT154 and star UC4-442-055010 with event index number of 183087

Geocentric closest approach at 2019/03/29 06:22:27 UTC

J2000 position of star is 12:33:32.5 -01:42:51
Equinox of date position of star is 12:34:28.9 -01:48:54
Stellar brightness R=13.1, use SENSEUP=32
Star is 102 degrees from the moon. Moon is 40% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 42.7 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 25.1 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 218 seconds.
The 1-sigma cross-track error in the shadow position is 3670 km.
The sky-plane scale is 30266.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=226.0 km assuming a 5% albedo -- 9.0 sec chord
Diameter=92.2 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 02CT154, (2019/03/29 06:22UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:12.6 -11:15:40  1.0 15.92  87
Vindemiatrix   13:03:08.1 +10:51:22  2.8 14.54 100
PPM 195518     12:28:50.9 -04:43:17  6.2  3.23 102
PPM 178810     12:33:03.7 -01:52:42  8.0  0.37 102
PPM 178819     12:35:10.9 -01:57:12  9.7  0.21 102
02CT154        12:34:31.8 -01:49:13 13.1       102
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 4.1 sigma about the mid-time.
The median site spacing is 18.4 km RECON observability=1.0 and success probability=8.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 06:24:51 -33.6 Dark Down 34.8 148.7 Up 06:09:51 - 06:39:51 2935
Tonasket 06:24:51 -33.8 Dark Down 35.0 148.6 Up 06:09:51 - 06:39:51 2916
Okanogan 06:24:51 -34.1 Dark Down 35.3 148.3 Up 06:09:51 - 06:39:51 2886
Brewster 06:24:52 -34.2 Dark Down 35.4 148.0 Up 06:09:52 - 06:39:52 2858
Manson/Chelan 06:24:54 -34.3 Dark Down 35.5 147.5 Up 06:09:54 - 06:39:54 2831
Entiat 06:24:53 -34.5 Dark Down 35.7 147.3 Up 06:09:53 - 06:39:53 2811
Wenatchee 06:24:54 -34.6 Dark Down 35.8 147.1 Up 06:09:54 - 06:39:54 2788
Ellensburg 06:24:54 -34.9 Dark Down 36.1 146.7 Up 06:09:54 - 06:39:54 2748
Pasco 06:24:51 -36.1 Dark Down 37.2 148.1 Up 06:09:51 - 06:39:51 2728
Yakima 06:24:54 -35.3 Dark Down 36.4 146.5 Up 06:09:54 - 06:39:54 2714
PNWRO 06:24:50 -36.4 Dark Down 37.5 148.2 Up 06:09:50 - 06:39:50 2714
Toppenish/White Swan 06:24:54 -35.5 Dark Down 36.7 146.6 Up 06:09:54 - 06:39:54 2701
George/Umatilla 06:24:51 -36.3 Dark Down 37.4 147.7 Up 06:09:51 - 06:39:51 2694
Niwot 06:24:10 -45.6 Dark Down 47.0 163.6 Up 06:09:10 - 06:39:10 2665
Goldendale 06:24:55 -35.8 Dark Down 37.0 145.9 Up 06:09:55 - 06:39:55 2643
The Dalles 06:24:56 -35.9 Dark Down 37.0 145.4 Up 06:09:56 - 06:39:56 2614
Maupin 06:24:56 -36.3 Dark Down 37.4 145.4 Up 06:09:56 - 06:39:56 2582
Madras/Culver 06:24:55 -36.7 Dark Down 37.8 145.1 Up 06:09:55 - 06:39:55 2534
Redmond 06:24:56 -37.0 Dark Down 38.1 144.8 Up 06:09:56 - 06:39:56 2502
Sisters 06:24:57 -36.8 Dark Down 37.9 144.4 Up 06:09:57 - 06:39:57 2493
Bend 06:24:56 -37.1 Dark Down 38.2 144.6 Up 06:09:56 - 06:39:56 2480
Oregon Observatory 06:24:57 -37.2 Dark Down 38.3 144.4 Up 06:09:57 - 06:39:57 2461
La Pine/Gilchrist 06:24:57 -37.3 Dark Down 38.4 144.2 Up 06:09:57 - 06:39:57 2442
North Lake 06:24:55 -37.9 Dark Down 39.1 144.7 Up 06:09:55 - 06:39:55 2423
Paisley 06:24:54 -38.6 Dark Down 39.7 144.8 Up 06:09:54 - 06:39:54 2386
Lakeview 06:24:54 -39.1 Dark Down 40.2 144.8 Up 06:09:54 - 06:39:54 2348
Chiloquin 06:24:58 -38.1 Dark Down 39.2 143.3 Up 06:09:58 - 06:39:58 2335
Klamath Falls 06:24:58 -38.4 Dark Down 39.5 143.2 Up 06:09:58 - 06:39:58 2308
Cedarville 06:24:53 -39.7 Dark Down 40.8 144.7 Up 06:09:53 - 06:39:53 2296
Tulelake 06:24:57 -38.8 Dark Down 39.9 143.4 Up 06:09:57 - 06:39:57 2293
Fall River/Burney 06:24:57 -39.6 Dark Down 40.6 143.0 Up 06:09:57 - 06:39:57 2216
Susanville 06:24:54 -40.4 Dark Down 41.5 143.6 Up 06:09:54 - 06:39:54 2183
Gimple 06:24:55 -40.5 Dark Down 41.6 143.2 Up 06:09:55 - 06:39:55 2152
Greenville 06:24:55 -40.5 Dark Down 41.5 143.1 Up 06:09:55 - 06:39:55 2150
Portola 06:24:54 -41.0 Dark Down 42.0 143.5 Up 06:09:54 - 06:39:54 2136
Reno 06:24:52 -41.5 Dark Down 42.5 144.1 Up 06:09:52 - 06:39:52 2133
Quincy 06:24:55 -40.7 Dark Down 41.7 143.0 Up 06:09:55 - 06:39:55 2132
Yerington 06:24:51 -42.2 Dark Down 43.3 144.6 Up 06:09:51 - 06:39:51 2105
Carson City 06:24:52 -41.8 Dark Down 42.8 143.9 Up 06:09:52 - 06:39:52 2101
Tonopah 06:24:44 -43.8 Dark Down 44.9 146.5 Up 06:09:44 - 06:39:44 2085
Gardnerville 06:24:51 -42.0 Dark Down 43.1 143.9 Up 06:09:51 - 06:39:51 2081
Hawthorne 06:24:48 -42.8 Dark Down 43.9 145.0 Up 06:09:48 - 06:39:48 2080
Lee Vining 06:24:50 -43.1 Dark Down 44.1 144.1 Up 06:09:50 - 06:39:50 2013
Indian Springs 06:24:39 -45.7 Dark Down 46.8 147.6 Up 06:09:39 - 06:39:39 2004
Beatty 06:24:43 -45.0 Dark Down 46.1 146.4 Up 06:09:43 - 06:39:43 1997
Bishop 06:24:47 -43.9 Dark Down 44.9 144.6 Up 06:09:47 - 06:39:47 1984
Henderson 06:24:36 -46.4 Dark Down 47.5 148.2 Up 06:09:36 - 06:39:36 1980
Patrick 06:24:33 -47.4 Dark Down 48.5 149.3 Up 06:09:33 - 06:39:33 1962
DCO 06:24:30 -48.0 Dark Down 49.1 150.1 Up 06:09:30 - 06:39:30 1960
Kingman/Dolan Springs 06:24:33 -47.5 Dark Down 48.7 149.0 Up 06:09:33 - 06:39:33 1935
Searchlight/Boulder City 06:24:36 -47.0 Dark Down 48.1 148.0 Up 06:09:36 - 06:39:36 1930
Lone Pine 06:24:46 -44.7 Dark Down 45.7 144.6 Up 06:09:46 - 06:39:46 1926
Laughlin/Bullhead City 06:24:35 -47.4 Dark Down 48.5 148.2 Up 06:09:35 - 06:39:35 1916
Mohave Valley 06:24:35 -47.6 Dark Down 48.7 148.1 Up 06:09:35 - 06:39:35 1891
Lake Havasu City 06:24:34 -48.0 Dark Down 49.1 148.2 Up 06:09:34 - 06:39:34 1863
Parker 06:24:33 -48.4 Dark Down 49.4 148.0 Up 06:09:33 - 06:39:33 1832
Blythe 06:24:34 -48.7 Dark Down 49.8 147.3 Up 06:09:34 - 06:39:34 1774
CPSLO 06:24:53 -44.5 Dark Down 45.5 140.6 Up 06:09:53 - 06:39:53 1720
Idyllwild 06:24:40 -47.7 Dark Down 48.7 144.5 Up 06:09:40 - 06:39:40 1710
Calipatria 06:24:36 -48.7 Dark Down 49.7 145.7 Up 06:09:36 - 06:39:36 1695
Yuma 06:24:33 -49.5 Dark Down 50.5 146.6 Up 06:09:33 - 06:39:33 1687
Wildwood 06:24:47 -46.5 Dark Down 47.5 142.3 Up 06:09:47 - 06:39:47 1677

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 02CT154, (2019/03/29 06:22UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 15.92  87
Vindemiatrix   13:02:10.3 +10:57:33  2.8 14.54 100
PPM 195518     12:27:51.5 -04:36:55  6.2  3.23 102
PPM 178810     12:32:04.4 -01:46:20  8.0  0.37 102
PPM 178819     12:34:11.6 -01:50:51  9.7  0.21 102
02CT154        12:33:32.5 -01:42:51 13.1       102
Positions are for J2000

Event circumstances last updated at 2018/04/14 16:14:30 UT

Marc W. Buie, Southwest Research Institute

RECON