RECON: TNO occultation with 363401

Event between (363401) 03LB7 and star GA0660:08270371 with event index number of 204266

Geocentric closest approach at 2019/07/19 06:36:38 UTC

J2000 position of star is 16:53:25.6 -23:35:34
Equinox of date position of star is 16:54:32.7 -23:37:19
Stellar brightness G=16.4, use SENSEUP=128
Star is 68 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 41.3 AU from the Sun and 40.6 AU from the Earth.
The TNO is moving 17.1 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 995 seconds.
The 1-sigma cross-track error in the shadow position is 3032 km.
The sky-plane scale is 29411.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 16.1 sec chord
Diameter=112.4 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 363401, (2019/07/19 06:37UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.5 -26:28:25  0.9  6.14  73
23Tau Sco      16:37:06.2 -28:15:18  2.8  6.08  71
26 Oph         17:01:21.5 -25:01:02  5.8  2.07  66
PPM 266128     16:56:01.9 -23:32:34  6.9  0.34  68
PPM 266077     16:54:01.7 -23:20:18  9.4  0.32  68
363401         16:54:36.7 -23:37:25 16.4        68
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 0.9 sigma about the mid-time.
The median site spacing is 11.8 km RECON observability=0.7 and success probability=3.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 06:25:52 -16.3 AT Up 14.7 199.2 Really Low 06:10:52 - 06:40:52 2626
Oroville 06:25:49 -16.8 AT Up 15.2 199.4 Really Low 06:10:49 - 06:40:49 2607
Tonasket 06:25:50 -17.0 AT Up 15.4 199.4 Really Low 06:10:50 - 06:40:50 2599
Okanogan 06:25:49 -17.3 AT Up 15.8 199.3 Really Low 06:10:49 - 06:40:49 2589
Brewster 06:25:50 -17.5 AT Up 16.1 199.1 Really Low 06:10:50 - 06:40:50 2580
Manson/Chelan 06:25:52 -17.6 AT Up 16.4 198.8 Really Low 06:10:52 - 06:40:52 2574
Entiat 06:25:50 -17.8 AT Up 16.6 198.7 Really Low 06:10:50 - 06:40:50 2566
Wenatchee 06:25:51 -18.0 AT Up 16.8 198.7 Really Low 06:10:51 - 06:40:51 2558
Ellensburg 06:25:51 -18.3 Dark Up 17.3 198.5 Really Low 06:10:51 - 06:40:51 2544
Yakima 06:25:50 -18.6 Dark Up 17.7 198.5 Really Low 06:10:50 - 06:40:50 2529
Toppenish/White Swan 06:25:49 -18.9 Dark Up 17.8 198.7 Really Low 06:10:49 - 06:40:49 2521
Pasco 06:25:43 -19.4 Dark Up 17.7 199.9 Really Low 06:10:43 - 06:40:43 2515
PNWRO 06:25:42 -19.6 Dark Up 17.9 200.1 Really Low 06:10:42 - 06:40:42 2505
George/Umatilla 06:25:44 -19.6 Dark Up 18.0 199.7 Really Low 06:10:44 - 06:40:44 2503
Goldendale 06:25:50 -19.3 Dark Up 18.5 198.4 Really Low 06:10:50 - 06:40:50 2501
The Dalles 06:25:51 -19.4 Dark Up 18.8 198.1 Really Low 06:10:51 - 06:40:51 2493
Maupin 06:25:51 -19.8 Dark Up 19.1 198.2 Really Low 06:10:51 - 06:40:51 2477
Madras/Culver 06:25:49 -20.2 Dark Up 19.7 198.2 Really Low 06:10:49 - 06:40:49 2456
Sisters 06:25:51 -20.4 Dark Up 20.1 197.8 Low 06:10:51 - 06:40:51 2443
Redmond 06:25:49 -20.5 Dark Up 20.0 198.2 Low 06:10:49 - 06:40:49 2442
Bend 06:25:48 -20.7 Dark Up 20.2 198.1 Low 06:10:48 - 06:40:48 2433
Oregon Observatory 06:25:49 -20.8 Dark Up 20.4 198.0 Low 06:10:49 - 06:40:49 2426
La Pine/Gilchrist 06:25:49 -21.0 Dark Up 20.6 198.0 Low 06:10:49 - 06:40:49 2418
North Lake 06:25:46 -21.5 Dark Up 20.9 198.6 Low 06:10:46 - 06:40:46 2399
Paisley 06:25:44 -22.2 Dark Up 21.4 199.0 Low 06:10:44 - 06:40:44 2376
Chiloquin 06:25:49 -21.8 Dark Up 21.8 197.8 Low 06:10:49 - 06:40:49 2371
Klamath Falls 06:25:48 -22.2 Dark Up 22.1 197.9 Low 06:10:48 - 06:40:48 2356
Lakeview 06:25:41 -22.7 Dark Up 21.8 199.2 Low 06:10:41 - 06:40:41 2353
Tulelake 06:25:46 -22.5 Dark Up 22.3 198.2 Low 06:10:46 - 06:40:46 2344
Cedarville 06:25:40 -23.3 Dark Up 22.4 199.5 Low 06:10:40 - 06:40:40 2324
Fall River/Burney 06:25:44 -23.3 Dark Up 23.1 198.4 Low 06:10:44 - 06:40:44 2303
Susanville 06:25:40 -24.2 Dark Up 23.5 199.2 Low 06:10:40 - 06:40:40 2273
Greenville 06:25:41 -24.3 Dark Up 23.9 198.9 Low 06:10:41 - 06:40:41 2261
Gimple 06:25:41 -24.3 Dark Up 23.9 199.0 Low 06:10:41 - 06:40:41 2261
Quincy 06:25:41 -24.5 Dark Up 24.1 199.0 Low 06:10:41 - 06:40:41 2251
Portola 06:25:38 -24.8 Dark Up 24.1 199.4 Low 06:10:38 - 06:40:38 2244
Reno 06:25:35 -25.2 Dark Up 24.2 200.1 Low 06:10:35 - 06:40:35 2231
Carson City 06:25:34 -25.5 Dark Up 24.5 200.2 Low 06:10:34 - 06:40:34 2213
Yerington 06:25:31 -25.9 Dark Up 24.5 200.8 Low 06:10:31 - 06:40:31 2202
Gardnerville 06:25:33 -25.8 Dark Up 24.7 200.2 Low 06:10:33 - 06:40:33 2201
Hawthorne 06:25:28 -26.5 Dark Up 24.8 201.4 Low 06:10:28 - 06:40:28 2178
Niwot 06:24:31 -28.2 Dark Up 18.7 213.1 Really Low 06:09:31 - 06:39:31 2171
Lee Vining 06:25:29 -26.9 Dark Up 25.5 201.0 Low 06:10:29 - 06:40:29 2151
Tonopah 06:25:20 -27.4 Dark Up 24.8 202.8 Low 06:10:20 - 06:40:20 2150
Bishop 06:25:24 -27.7 Dark Up 25.8 201.8 Low 06:10:24 - 06:40:24 2118
Beatty 06:25:15 -28.6 Dark Up 25.7 203.4 Low 06:10:15 - 06:40:15 2089
Lone Pine 06:25:21 -28.4 Dark Up 26.4 202.2 Low 06:10:21 - 06:40:21 2077
Indian Springs 06:25:10 -29.2 Dark Up 25.7 204.5 Low 06:10:10 - 06:40:10 2067
Henderson 06:25:05 -29.9 Dark Up 26.0 205.2 Low 06:10:05 - 06:40:05 2035
CPSLO 06:25:32 -28.7 Dark Up 28.4 200.0 Low 06:10:32 - 06:40:32 2011
Searchlight/Boulder City 06:25:04 -30.5 Dark Up 26.5 205.4 Low 06:10:04 - 06:40:04 2003
Patrick 06:24:58 -30.8 Dark Up 26.1 206.4 Low 06:09:58 - 06:39:58 1995
Laughlin/Bullhead City 06:25:02 -30.9 Dark Up 26.6 205.8 Low 06:10:02 - 06:40:02 1985
Kingman/Dolan Springs 06:24:59 -31.0 Dark Up 26.4 206.2 Low 06:09:59 - 06:39:59 1983
DCO 06:24:55 -31.3 Dark Up 26.2 207.1 Low 06:09:55 - 06:39:55 1973
Mohave Valley 06:25:01 -31.1 Dark Up 26.9 205.8 Low 06:10:01 - 06:40:01 1969
Lake Havasu City 06:24:59 -31.6 Dark Up 27.1 206.1 Low 06:09:59 - 06:39:59 1945
Wildwood 06:25:19 -30.5 Dark Up 28.9 202.2 Low 06:10:19 - 06:40:19 1939
Parker 06:24:58 -31.9 Dark Up 27.4 206.3 Low 06:09:58 - 06:39:58 1925
Idyllwild 06:25:09 -31.5 Dark Up 28.6 204.1 Low 06:10:09 - 06:40:09 1912
Blythe 06:24:59 -32.3 Dark Up 28.0 206.1 Low 06:09:59 - 06:39:59 1896
Calipatria 06:25:03 -32.4 Dark Up 28.8 205.3 Low 06:10:03 - 06:40:03 1871
Yuma 06:24:57 -33.1 Dark Up 28.9 206.3 Low 06:09:57 - 06:39:57 1841

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 363401, (2019/07/19 06:37UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  6.14  73
23Tau Sco      16:35:53.0 -28:12:58  2.8  6.08  71
26 Oph         17:00:09.6 -24:59:22  5.8  2.07  66
PPM 266128     16:54:50.8 -23:30:45  6.9  0.34  68
PPM 266077     16:52:50.8 -23:18:26  9.4  0.32  68
363401         16:53:25.6 -23:35:34 16.4        68
Positions are for J2000

Event circumstances last updated at 2018/06/12 02:24:18 UT

Marc W. Buie, Southwest Research Institute

RECON