RECON: TNO occultation with 00WO183

Event between 00WO183 and star GA1120:01687545 with event index number of 229151

Geocentric closest approach at 2019/12/07 10:19:50 UTC

J2000 position of star is 06:01:21.6 +22:10:13
Equinox of date position of star is 06:02:28.3 +22:10:10
Stellar brightness G=12.4, use SENSEUP=16
Star is 71 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 42.4 AU from the Sun and 41.5 AU from the Earth.
The TNO is moving 24.6 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 627 seconds.
The 1-sigma cross-track error in the shadow position is 5200 km.
The sky-plane scale is 30094.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=195.9 km assuming a 5% albedo -- 8.0 sec chord
Diameter=80.0 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00WO183, (2019/12/07 10:20UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.1 +07:24:33  0.4 14.84  69
Alnath         05:27:33.2 +28:37:21  1.6 10.20  64
PPM 095249     06:02:53.9 +22:24:00  6.2  0.24  71
PPM 095266     06:03:28.5 +22:09:59  9.7  0.21  71
00WO183        06:02:33.8 +22:10:09 12.4        71
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 26.0 km RECON observability=1.0 and success probability=2.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 10:18:51 -50.2 Dark Up 58.1 218.4 Up 10:03:51 - 10:33:51 13098
Oroville 10:18:50 -50.5 Dark Up 58.5 219.1 Up 10:03:50 - 10:33:50 13041
Tonasket 10:18:49 -50.6 Dark Up 58.7 219.4 Up 10:03:49 - 10:33:49 13019
Okanogan 10:18:50 -50.8 Dark Up 59.1 219.5 Up 10:03:50 - 10:33:50 12984
Brewster 10:18:50 -51.1 Dark Up 59.3 219.5 Up 10:03:50 - 10:33:50 12956
Manson/Chelan 10:18:51 -51.4 Dark Up 59.7 219.1 Up 10:03:51 - 10:33:51 12932
Entiat 10:18:51 -51.5 Dark Up 59.9 219.2 Up 10:03:51 - 10:33:51 12909
Wenatchee 10:18:51 -51.7 Dark Up 60.1 219.3 Up 10:03:51 - 10:33:51 12883
Ellensburg 10:18:51 -52.0 Dark Up 60.5 219.4 Up 10:03:51 - 10:33:51 12840
Yakima 10:18:50 -52.2 Dark Up 60.8 219.9 Up 10:03:50 - 10:33:50 12800
Pasco 10:18:46 -51.5 Dark Up 60.4 222.6 Up 10:03:46 - 10:33:46 12781
Toppenish/White Swan 10:18:50 -52.2 Dark Up 60.9 220.4 Up 10:03:50 - 10:33:50 12780
PNWRO 10:18:45 -51.4 Dark Up 60.5 223.3 Up 10:03:45 - 10:33:45 12759
George/Umatilla 10:18:46 -51.7 Dark Up 60.8 222.6 Up 10:03:46 - 10:33:46 12745
Goldendale 10:18:51 -52.7 Dark Up 61.5 220.3 Up 10:03:51 - 10:33:51 12720
The Dalles 10:18:51 -53.0 Dark Up 61.9 220.0 Up 10:03:51 - 10:33:51 12694
Maupin 10:18:51 -53.2 Dark Up 62.1 220.7 Up 10:03:51 - 10:33:51 12653
Madras/Culver 10:18:50 -53.4 Dark Up 62.6 221.3 Up 10:03:50 - 10:33:50 12598
Redmond 10:18:50 -53.6 Dark Up 62.9 221.6 Up 10:03:50 - 10:33:50 12561
Sisters 10:18:51 -53.8 Dark Up 63.0 220.9 Up 10:03:51 - 10:33:51 12560
Bend 10:18:50 -53.8 Dark Up 63.1 221.7 Up 10:03:50 - 10:33:50 12538
Oregon Observatory 10:18:50 -53.9 Dark Up 63.3 221.7 Up 10:03:50 - 10:33:50 12519
La Pine/Gilchrist 10:18:50 -54.1 Dark Up 63.5 221.8 Up 10:03:50 - 10:33:50 12498
North Lake 10:18:48 -53.8 Dark Up 63.5 223.5 Up 10:03:48 - 10:33:48 12459
Paisley 10:18:47 -53.8 Dark Up 63.7 224.9 Up 10:03:47 - 10:33:47 12407
Chiloquin 10:18:51 -54.8 Dark Up 64.5 222.7 Up 10:03:51 - 10:33:51 12380
Niwot 10:17:57 -43.4 Dark Down 55.5 249.2 Up 10:02:57 - 10:32:57 12366
Lakeview 10:18:45 -53.9 Dark Up 64.0 225.9 Up 10:03:45 - 10:33:45 12357
Klamath Falls 10:18:50 -54.8 Dark Up 64.7 223.4 Up 10:03:50 - 10:33:50 12346
Tulelake 10:18:48 -54.7 Dark Up 64.7 224.3 Up 10:03:48 - 10:33:48 12321
Cedarville 10:18:44 -54.0 Dark Up 64.3 227.2 Up 10:03:44 - 10:33:44 12291
Fall River/Burney 10:18:47 -55.0 Dark Up 65.3 225.8 Up 10:03:47 - 10:33:47 12228
Susanville 10:18:44 -54.7 Dark Up 65.4 228.1 Up 10:03:44 - 10:33:44 12171
Gimple 10:18:45 -54.9 Dark Up 65.7 228.2 Up 10:03:45 - 10:33:45 12139
Greenville 10:18:45 -55.0 Dark Up 65.7 228.1 Up 10:03:45 - 10:33:45 12139
Quincy 10:18:45 -55.1 Dark Up 65.8 228.4 Up 10:03:45 - 10:33:45 12118
Portola 10:18:43 -54.8 Dark Up 65.6 229.4 Up 10:03:43 - 10:33:43 12110
Reno 10:18:41 -54.4 Dark Up 65.4 231.0 Up 10:03:41 - 10:33:41 12089
Carson City 10:18:40 -54.5 Dark Up 65.7 231.6 Up 10:03:40 - 10:33:40 12052
Yerington 10:18:39 -54.1 Dark Up 65.4 233.0 Up 10:03:39 - 10:33:39 12039
Gardnerville 10:18:40 -54.5 Dark Up 65.8 232.2 Up 10:03:40 - 10:33:40 12027
Hawthorne 10:18:36 -53.8 Dark Down 65.3 234.7 Up 10:03:36 - 10:33:36 11997
Tonopah 10:18:31 -52.8 Dark Down 64.7 237.7 Up 10:03:31 - 10:33:31 11965
Lee Vining 10:18:37 -54.3 Dark Up 66.0 234.9 Up 10:03:37 - 10:33:37 11932
Bishop 10:18:34 -53.9 Dark Down 65.8 237.2 Up 10:03:34 - 10:33:34 11878
Beatty 10:18:28 -52.7 Dark Down 65.0 240.5 Up 10:03:28 - 10:33:28 11850
Indian Springs 10:18:24 -52.0 Dark Down 64.4 242.6 Up 10:03:24 - 10:33:24 11830
Lone Pine 10:18:32 -53.8 Dark Down 66.0 239.1 Up 10:03:32 - 10:33:32 11801
Henderson 10:18:21 -51.5 Dark Down 64.1 244.5 Up 10:03:21 - 10:33:21 11784
Patrick 10:18:17 -50.7 Dark Down 63.6 247.0 Up 10:03:17 - 10:33:17 11734
Searchlight/Boulder City 10:18:20 -51.5 Dark Down 64.3 245.6 Up 10:03:20 - 10:33:20 11724
DCO 10:18:14 -50.2 Dark Down 63.2 248.4 Up 10:03:14 - 10:33:14 11713
Kingman/Dolan Springs 10:18:17 -50.9 Dark Down 63.8 247.2 Up 10:03:17 - 10:33:17 11708
Laughlin/Bullhead City 10:18:19 -51.3 Dark Down 64.2 246.6 Up 10:03:19 - 10:33:19 11698
Mohave Valley 10:18:19 -51.3 Dark Down 64.3 247.2 Up 10:03:19 - 10:33:19 11669
CPSLO 10:18:40 -56.1 Dark Up 68.5 237.7 Up 10:03:40 - 10:33:40 11632
Lake Havasu City 10:18:17 -51.2 Dark Down 64.3 248.2 Up 10:03:17 - 10:33:17 11630
Parker 10:18:17 -51.2 Dark Down 64.4 248.9 Up 10:03:17 - 10:33:17 11594
Blythe 10:18:17 -51.5 Dark Down 64.8 249.6 Up 10:03:17 - 10:33:17 11533
Wildwood 10:18:31 -54.7 Dark Down 67.6 243.5 Up 10:03:31 - 10:33:31 11528
Idyllwild 10:18:25 -53.2 Dark Down 66.4 246.8 Up 10:03:25 - 10:33:25 11515
Calipatria 10:18:20 -52.3 Dark Down 65.7 249.5 Up 10:03:20 - 10:33:20 11467
Yuma 10:18:16 -51.6 Dark Down 65.1 251.4 Up 10:03:16 - 10:33:16 11434

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 00WO183, (2019/12/07 10:20UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.84  69
Alnath         05:26:17.5 +28:36:23  1.6 10.20  64
PPM 095249     06:01:41.6 +22:24:04  6.2  0.24  71
PPM 095266     06:02:16.3 +22:10:04  9.7  0.21  71
00WO183        06:01:21.6 +22:10:13 12.4        71
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:21:52 UT

Marc W. Buie, Southwest Research Institute

RECON