RECON: TNO occultation with 363401

Event between (363401) 03LB7 and star UC4-333-088341 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 16:54:29.5 -23:37:14
Stellar brightness R=15.9, 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 541 seconds.
The 1-sigma cross-track error in the shadow position is 2050 km.
The sky-plane scale is 29412.0 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  0.31  68
363401         16:54:36.6 -23:37:25 15.9        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 1.7 sigma about the mid-time.
The median site spacing is 14.2 km RECON observability=0.6 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)
Oroville 06:35:44 -17.5 AT Up 14.6 201.6 Really Low 06:20:44 - 06:50:44 10046
Tonasket 06:35:45 -17.7 AT Up 14.9 201.7 Really Low 06:20:45 - 06:50:45 10039
Okanogan 06:35:45 -18.0 AT Up 15.2 201.6 Really Low 06:20:45 - 06:50:45 10028
Brewster 06:35:45 -18.2 Dark Up 15.5 201.4 Really Low 06:20:45 - 06:50:45 10020
Manson/Chelan 06:35:46 -18.3 Dark Up 15.8 201.1 Really Low 06:20:46 - 06:50:46 10014
Entiat 06:35:46 -18.4 Dark Up 16.0 201.1 Really Low 06:20:46 - 06:50:46 10007
Wenatchee 06:35:46 -18.7 Dark Up 16.3 201.0 Really Low 06:20:46 - 06:50:46 9998
Ellensburg 06:35:47 -19.0 Dark Up 16.7 200.8 Really Low 06:20:47 - 06:50:47 9985
Yakima 06:35:45 -19.3 Dark Up 17.1 200.9 Really Low 06:20:45 - 06:50:45 9970
Toppenish/White Swan 06:35:43 -19.6 Dark Up 17.3 201.0 Really Low 06:20:43 - 06:50:43 9962
Pasco 06:35:39 -20.0 Dark Up 17.1 202.2 Really Low 06:20:39 - 06:50:39 9953
PNWRO 06:35:38 -20.3 Dark Up 17.2 202.4 Really Low 06:20:38 - 06:50:38 9944
Goldendale 06:35:45 -20.0 Dark Up 17.9 200.7 Really Low 06:20:45 - 06:50:45 9943
George/Umatilla 06:35:39 -20.3 Dark Up 17.4 202.0 Really Low 06:20:39 - 06:50:39 9942
The Dalles 06:35:45 -20.1 Dark Up 18.2 200.4 Really Low 06:20:45 - 06:50:45 9935
Maupin 06:35:46 -20.5 Dark Up 18.5 200.5 Really Low 06:20:46 - 06:50:46 9919
Madras/Culver 06:35:44 -21.0 Dark Up 19.1 200.6 Really Low 06:20:44 - 06:50:44 9898
Sisters 06:35:45 -21.2 Dark Up 19.5 200.2 Really Low 06:20:45 - 06:50:45 9886
Redmond 06:35:45 -21.3 Dark Up 19.4 200.6 Really Low 06:20:45 - 06:50:45 9884
Bend 06:35:44 -21.5 Dark Up 19.7 200.4 Really Low 06:20:44 - 06:50:44 9876
Oregon Observatory 06:35:44 -21.6 Dark Up 19.9 200.3 Really Low 06:20:44 - 06:50:44 9869
La Pine/Gilchrist 06:35:43 -21.7 Dark Up 20.1 200.3 Low 06:20:43 - 06:50:43 9861
North Lake 06:35:40 -22.3 Dark Up 20.3 200.9 Low 06:20:40 - 06:50:40 9841
Paisley 06:35:38 -22.9 Dark Up 20.7 201.3 Low 06:20:38 - 06:50:38 9817
Chiloquin 06:35:43 -22.6 Dark Up 21.2 200.1 Low 06:20:43 - 06:50:43 9815
Klamath Falls 06:35:42 -23.0 Dark Up 21.5 200.2 Low 06:20:42 - 06:50:42 9800
Lakeview 06:35:36 -23.4 Dark Up 21.2 201.6 Low 06:20:36 - 06:50:36 9795
Tulelake 06:35:40 -23.3 Dark Up 21.7 200.6 Low 06:20:40 - 06:50:40 9787
Cedarville 06:35:35 -24.1 Dark Up 21.7 201.8 Low 06:20:35 - 06:50:35 9765
Fall River/Burney 06:35:39 -24.2 Dark Up 22.5 200.8 Low 06:20:39 - 06:50:39 9746
Susanville 06:35:34 -25.0 Dark Up 22.9 201.5 Low 06:20:34 - 06:50:34 9715
Greenville 06:35:36 -25.1 Dark Up 23.2 201.3 Low 06:20:36 - 06:50:36 9702
Gimple 06:35:35 -25.2 Dark Up 23.2 201.4 Low 06:20:35 - 06:50:35 9702
Quincy 06:35:36 -25.3 Dark Up 23.4 201.3 Low 06:20:36 - 06:50:36 9693
Portola 06:35:32 -25.6 Dark Up 23.4 201.8 Low 06:20:32 - 06:50:32 9686
Reno 06:35:28 -26.0 Dark Up 23.5 202.4 Low 06:20:28 - 06:50:28 9671
Carson City 06:35:28 -26.3 Dark Up 23.8 202.5 Low 06:20:28 - 06:50:28 9653
Yerington 06:35:25 -26.7 Dark Up 23.8 203.1 Low 06:20:25 - 06:50:25 9641
Gardnerville 06:35:27 -26.6 Dark Up 24.0 202.6 Low 06:20:27 - 06:50:27 9641
Hawthorne 06:35:21 -27.3 Dark Up 24.1 203.7 Low 06:20:21 - 06:50:21 9616
Lee Vining 06:35:22 -27.7 Dark Up 24.7 203.4 Low 06:20:22 - 06:50:22 9590
Niwot 06:34:28 -28.5 Dark Up 17.6 215.2 Really Low 06:19:28 - 06:49:28 9587
Tonopah 06:35:14 -28.1 Dark Up 24.0 205.1 Low 06:20:14 - 06:50:14 9586
Bishop 06:35:18 -28.4 Dark Up 25.0 204.1 Low 06:20:18 - 06:50:18 9555
Beatty 06:35:10 -29.3 Dark Up 24.9 205.7 Low 06:20:10 - 06:50:10 9523
Lone Pine 06:35:14 -29.2 Dark Up 25.6 204.6 Low 06:20:14 - 06:50:14 9513
Indian Springs 06:35:03 -29.9 Dark Up 24.8 206.8 Low 06:20:03 - 06:50:03 9499
Henderson 06:34:59 -30.6 Dark Up 25.1 207.5 Low 06:19:59 - 06:49:59 9465
CPSLO 06:35:25 -29.6 Dark Up 27.6 202.4 Low 06:20:25 - 06:50:25 9451
Searchlight/Boulder City 06:34:58 -31.2 Dark Up 25.6 207.7 Low 06:19:58 - 06:49:58 9433
Patrick 06:34:52 -31.5 Dark Up 25.2 208.7 Low 06:19:52 - 06:49:52 9423
Laughlin/Bullhead City 06:34:55 -31.6 Dark Up 25.7 208.1 Low 06:19:55 - 06:49:55 9414
Kingman/Dolan Springs 06:34:52 -31.7 Dark Up 25.5 208.5 Low 06:19:52 - 06:49:52 9412
DCO 06:34:49 -32.0 Dark Up 25.2 209.4 Low 06:19:49 - 06:49:49 9401
Mohave Valley 06:34:54 -31.8 Dark Up 25.9 208.1 Low 06:19:54 - 06:49:54 9398
Wildwood 06:35:13 -31.4 Dark Up 28.1 204.6 Low 06:20:13 - 06:50:13 9375
Lake Havasu City 06:34:52 -32.3 Dark Up 26.2 208.5 Low 06:19:52 - 06:49:52 9374
Parker 06:34:52 -32.6 Dark Up 26.5 208.6 Low 06:19:52 - 06:49:52 9353
Idyllwild 06:35:03 -32.3 Dark Up 27.8 206.4 Low 06:20:03 - 06:50:03 9346
Blythe 06:34:52 -33.0 Dark Up 27.1 208.4 Low 06:19:52 - 06:49:52 9325
Calipatria 06:34:56 -33.2 Dark Up 27.9 207.7 Low 06:19:56 - 06:49:56 9301
Yuma 06:34:51 -33.9 Dark Up 27.9 208.6 Low 06:19:51 - 06:49:51 9270

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  0.31  68
363401         16:53:25.6 -23:35:34 15.9        68
Positions are for J2000

Event circumstances last updated at 2017/08/04 18:11:46 UT

Marc W. Buie, Southwest Research Institute

RECON