RECON: TNO occultation with 13UO17

Event between 13UO17 and star GA0960:00140922 with event index number of 220146

Geocentric closest approach at 2018/11/09 07:51:33 UTC

J2000 position of star is 01:38:05.2 +07:05:47
Equinox of date position of star is 01:39:03.1 +07:11:23
Stellar brightness G=16.1, use SENSEUP=128
Star is 139 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=23.6

[RECON map]
TNO is 34.1 AU from the Sun and 33.1 AU from the Earth.
The TNO is moving 21.9 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 219 seconds.
The 1-sigma cross-track error in the shadow position is 2677 km.
The sky-plane scale is 24027.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=130.0 km assuming a 5% albedo -- 5.9 sec chord
Diameter=53.1 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 13UO17, (2018/11/09 07:52UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.3 +16:32:45  0.8 44.42 177
6Bet Ari       01:55:41.1 +20:53:58  2.6 14.28 145
106Nu Psc      01:42:24.9 +05:34:56  4.4  1.81 139
PPM 144799     01:37:40.4 +06:48:49  8.0  0.51 138
PPM 144823     01:39:12.2 +07:09:03 10.0  0.05 138
13UO17         01:39:04.4 +07:11:31 16.1       139
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 20.6 km RECON observability=1.0 and success probability=15.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 07:49:20 -57.3 Dark Down 43.8 210.6 Up 07:34:20 - 08:04:20 -1350
Oroville 07:49:20 -57.9 Dark Down 44.3 211.0 Up 07:34:20 - 08:04:20 -1405
Tonasket 07:49:20 -58.1 Dark Down 44.5 211.1 Up 07:34:20 - 08:04:20 -1425
Okanogan 07:49:20 -58.5 Dark Down 44.8 211.1 Up 07:34:20 - 08:04:20 -1452
Brewster 07:49:20 -58.7 Dark Down 45.1 211.0 Up 07:34:20 - 08:04:20 -1471
Manson/Chelan 07:49:22 -59.0 Dark Down 45.4 210.6 Up 07:34:22 - 08:04:22 -1482
Entiat 07:49:22 -59.2 Dark Down 45.7 210.6 Up 07:34:22 - 08:04:22 -1500
Wenatchee 07:49:22 -59.4 Dark Down 45.9 210.6 Up 07:34:22 - 08:04:22 -1521
Ellensburg 07:49:23 -59.9 Dark Down 46.3 210.6 Up 07:34:23 - 08:04:23 -1553
Yakima 07:49:23 -60.3 Dark Down 46.7 210.8 Up 07:34:23 - 08:04:23 -1589
Toppenish/White Swan 07:49:23 -60.5 Dark Down 46.8 211.1 Up 07:34:23 - 08:04:23 -1612
Pasco 07:49:19 -60.6 Dark Down 46.5 212.9 Up 07:34:19 - 08:04:19 -1651
Goldendale 07:49:24 -61.0 Dark Down 47.4 210.8 Up 07:34:24 - 08:04:24 -1653
The Dalles 07:49:25 -61.3 Dark Down 47.8 210.5 Up 07:34:25 - 08:04:25 -1665
George/Umatilla 07:49:20 -60.9 Dark Down 46.8 212.8 Up 07:34:20 - 08:04:20 -1676
PNWRO 07:49:18 -60.8 Dark Down 46.6 213.3 Up 07:34:18 - 08:04:18 -1678
Maupin 07:49:25 -61.7 Dark Down 48.1 210.8 Up 07:34:25 - 08:04:25 -1705
Madras/Culver 07:49:25 -62.2 Dark Down 48.6 211.1 Up 07:34:25 - 08:04:25 -1754
Sisters 07:49:27 -62.6 Dark Down 49.0 210.7 Up 07:34:27 - 08:04:27 -1775
Redmond 07:49:25 -62.6 Dark Down 48.9 211.3 Up 07:34:25 - 08:04:25 -1786
Bend 07:49:26 -62.8 Dark Down 49.1 211.2 Up 07:34:26 - 08:04:26 -1802
Oregon Observatory 07:49:27 -63.0 Dark Down 49.3 211.1 Up 07:34:27 - 08:04:27 -1815
La Pine/Gilchrist 07:49:27 -63.2 Dark Down 49.5 211.1 Up 07:34:27 - 08:04:27 -1833
North Lake 07:49:25 -63.6 Dark Down 49.7 212.3 Up 07:34:25 - 08:04:25 -1887
Chiloquin 07:49:28 -64.3 Dark Down 50.6 211.3 Up 07:34:28 - 08:04:28 -1928
Paisley 07:49:24 -64.2 Dark Down 50.0 213.1 Up 07:34:24 - 08:04:24 -1947
Klamath Falls 07:49:28 -64.6 Dark Down 50.9 211.7 Up 07:34:28 - 08:04:28 -1961
Tulelake 07:49:27 -64.9 Dark Down 51.0 212.3 Up 07:34:27 - 08:04:27 -1994
Lakeview 07:49:23 -64.7 Dark Down 50.3 213.7 Up 07:34:23 - 08:04:23 -1999
Cedarville 07:49:23 -65.3 Dark Down 50.8 214.4 Up 07:34:23 - 08:04:23 -2065
Fall River/Burney 07:49:27 -65.8 Dark Down 51.7 213.0 Up 07:34:27 - 08:04:27 -2081
Susanville 07:49:25 -66.4 Dark Down 51.9 214.5 Up 07:34:25 - 08:04:25 -2159
Greenville 07:49:26 -66.7 Dark Down 52.3 214.3 Up 07:34:26 - 08:04:26 -2178
Gimple 07:49:26 -66.7 Dark Down 52.2 214.4 Up 07:34:26 - 08:04:26 -2180
Quincy 07:49:26 -66.9 Dark Down 52.4 214.5 Up 07:34:26 - 08:04:26 -2198
Portola 07:49:24 -67.0 Dark Down 52.3 215.2 Up 07:34:24 - 08:04:24 -2221
Reno 07:49:22 -67.3 Dark Down 52.3 216.4 Up 07:34:22 - 08:04:22 -2262
Carson City 07:49:23 -67.6 Dark Down 52.5 216.7 Up 07:34:23 - 08:04:23 -2298
Gardnerville 07:49:22 -67.9 Dark Down 52.7 216.9 Up 07:34:22 - 08:04:22 -2322
Yerington 07:49:20 -67.8 Dark Down 52.4 217.7 Up 07:34:20 - 08:04:20 -2332
Hawthorne 07:49:19 -68.2 Dark Down 52.5 218.8 Up 07:34:19 - 08:04:19 -2389
Lee Vining 07:49:20 -68.8 Dark Down 53.2 218.6 Up 07:34:20 - 08:04:20 -2433
Tonopah 07:49:14 -68.5 Dark Down 52.2 221.2 Up 07:34:14 - 08:04:14 -2469
Bishop 07:49:18 -69.3 Dark Down 53.3 220.2 Up 07:34:18 - 08:04:18 -2509
Niwot 07:48:35 -62.9 Dark Down 44.0 234.0 Up 07:33:35 - 08:03:35 -2517
Lone Pine 07:49:17 -70.0 Dark Down 53.7 221.3 Up 07:34:17 - 08:04:17 -2592
Beatty 07:49:13 -69.6 Dark Down 52.8 222.8 Up 07:34:13 - 08:04:13 -2594
Indian Springs 07:49:09 -69.7 Dark Down 52.4 224.6 Up 07:34:09 - 08:04:09 -2652
CPSLO 07:49:27 -71.6 Dark Down 56.0 218.7 Up 07:34:27 - 08:04:27 -2656
Henderson 07:49:07 -70.0 Dark Down 52.4 226.0 Up 07:34:07 - 08:04:07 -2722
Searchlight/Boulder City 07:49:07 -70.5 Dark Down 52.8 226.6 Up 07:34:07 - 08:04:07 -2781
Patrick 07:49:03 -70.3 Dark Down 52.2 228.0 Up 07:34:03 - 08:04:03 -2811
Laughlin/Bullhead City 07:49:06 -70.7 Dark Down 52.8 227.3 Up 07:34:06 - 08:04:06 -2819
Kingman/Dolan Springs 07:49:04 -70.6 Dark Down 52.5 228.0 Up 07:34:04 - 08:04:04 -2829
Wildwood 07:49:20 -72.6 Dark Down 55.9 222.9 Up 07:34:20 - 08:04:20 -2829
Mohave Valley 07:49:06 -71.0 Dark Down 53.0 227.6 Up 07:34:06 - 08:04:06 -2847
DCO 07:49:01 -70.4 Dark Down 52.0 229.2 Up 07:34:01 - 08:04:01 -2858
Lake Havasu City 07:49:05 -71.3 Dark Down 53.1 228.3 Up 07:34:05 - 08:04:05 -2893
Idyllwild 07:49:13 -72.6 Dark Down 55.0 225.9 Up 07:34:13 - 08:04:13 -2913
Parker 07:49:05 -71.6 Dark Down 53.3 228.7 Up 07:34:05 - 08:04:05 -2930
Blythe 07:49:06 -72.2 Dark Down 53.8 228.9 Up 07:34:06 - 08:04:06 -2976
Calipatria 07:49:10 -72.9 Dark Down 54.7 228.2 Up 07:34:10 - 08:04:10 -3003
Yuma 07:49:06 -73.1 Dark Down 54.5 229.8 Up 07:34:06 - 08:04:06 -3069

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 13UO17, (2018/11/09 07:52UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 44.42 177
6Bet Ari       01:54:38.5 +20:48:27  2.6 14.28 145
106Nu Psc      01:41:25.9 +05:29:15  4.4  1.81 139
PPM 144799     01:36:41.2 +06:43:04  8.0  0.51 138
PPM 144823     01:38:13.0 +07:03:20 10.0  0.05 138
13UO17         01:38:05.2 +07:05:47 16.1       138
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:33:17 UT

Marc W. Buie, Southwest Research Institute

RECON