RECON: TNO occultation with 13AS183

Event between 13AS183 and star GA1060:03267266 with event index number of 313619

Geocentric closest approach at 2019/03/03 06:51:13 UTC

J2000 position of star is 09:40:38.0 +16:53:07
Equinox of date position of star is 09:41:40.2 +16:47:57
Stellar brightness G=13.6, use SENSEUP=64
Star is 164 degrees from the moon. Moon is 10% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 39.9 AU from the Sun and 38.9 AU from the Earth.
The TNO is moving 23.4 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 387 seconds.
The 1-sigma cross-track error in the shadow position is 5991 km.
The sky-plane scale is 28234.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=300.6 km assuming a 5% albedo -- 12.8 sec chord
Diameter=122.7 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 13AS183, (2019/03/03 06:51UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:23.5 +11:52:22  1.3  8.32 156
16Psi Leo      09:44:46.4 +13:55:59  5.3  2.96 162
PPM 126714     09:43:22.2 +16:59:38  7.9  0.45 163
PPM 126684     09:41:28.1 +16:52:50  9.1  0.10 164
13AS183        09:41:41.3 +16:47:51 13.6       164
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 2.3 sigma about the mid-time.
The median site spacing is 17.2 km RECON observability=1.0 and success probability=5.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 06:52:13 -44.1 Dark Down 57.0 178.7 Up 06:37:13 - 07:07:13 -4512
Summerland 06:52:15 -44.0 Dark Down 57.0 178.1 Up 06:37:15 - 07:07:15 -4526
Penticton 06:52:14 -44.3 Dark Down 57.3 178.4 Up 06:37:14 - 07:07:14 -4548
Okanagan Falls 06:52:13 -44.5 Dark Down 57.5 178.4 Up 06:37:13 - 07:07:13 -4565
Oliver 06:52:14 -44.6 Dark Down 57.7 178.4 Up 06:37:14 - 07:07:14 -4579
Anarchist Mountain Observatory 06:52:13 -44.9 Dark Down 57.9 178.7 Up 06:37:13 - 07:07:13 -4589
Oroville 06:52:13 -44.9 Dark Down 57.9 178.6 Up 06:37:13 - 07:07:13 -4597
Tonasket 06:52:13 -45.1 Dark Down 58.2 178.6 Up 06:37:13 - 07:07:13 -4618
Okanogan 06:52:13 -45.4 Dark Down 58.5 178.3 Up 06:37:13 - 07:07:13 -4652
Brewster 06:52:13 -45.5 Dark Down 58.8 177.9 Up 06:37:13 - 07:07:13 -4681
Manson/Chelan 06:52:14 -45.6 Dark Down 59.0 177.2 Up 06:37:14 - 07:07:14 -4710
Entiat 06:52:13 -45.8 Dark Down 59.2 177.1 Up 06:37:13 - 07:07:13 -4732
Wenatchee 06:52:13 -46.0 Dark Down 59.4 176.9 Up 06:37:13 - 07:07:13 -4757
Ellensburg 06:52:14 -46.2 Dark Down 59.8 176.4 Up 06:37:14 - 07:07:14 -4800
Pasco 06:52:09 -47.4 Dark Down 60.6 179.1 Up 06:37:09 - 07:07:09 -4826
Yakima 06:52:13 -46.6 Dark Down 60.3 176.3 Up 06:37:13 - 07:07:13 -4837
PNWRO 06:52:07 -47.7 Dark Down 60.9 179.5 Up 06:37:07 - 07:07:07 -4842
Toppenish/White Swan 06:52:12 -46.8 Dark Down 60.5 176.6 Up 06:37:12 - 07:07:12 -4852
George/Umatilla 06:52:08 -47.6 Dark Down 61.0 178.6 Up 06:37:08 - 07:07:08 -4863
Niwot 06:51:13 -56.5 Dark Down 64.1 210.1 Up 06:36:13 - 07:06:13 -4911
Goldendale 06:52:13 -47.2 Dark Down 61.0 175.7 Up 06:37:13 - 07:07:13 -4915
The Dalles 06:52:13 -47.2 Dark Down 61.2 175.0 Up 06:37:13 - 07:07:13 -4946
Maupin 06:52:13 -47.6 Dark Down 61.6 175.1 Up 06:37:13 - 07:07:13 -4981
Madras/Culver 06:52:11 -48.0 Dark Down 62.2 174.9 Up 06:37:11 - 07:07:11 -5033
Redmond 06:52:11 -48.3 Dark Down 62.5 174.8 Up 06:37:11 - 07:07:11 -5067
Sisters 06:52:14 -48.2 Dark Down 62.5 174.0 Up 06:37:14 - 07:07:14 -5077
Bend 06:52:11 -48.5 Dark Down 62.7 174.4 Up 06:37:11 - 07:07:11 -5091
Oregon Observatory 06:52:11 -48.6 Dark Down 62.9 174.1 Up 06:37:11 - 07:07:11 -5111
La Pine/Gilchrist 06:52:11 -48.7 Dark Down 63.1 174.0 Up 06:37:11 - 07:07:11 -5132
North Lake 06:52:10 -49.3 Dark Down 63.6 175.1 Up 06:37:10 - 07:07:10 -5154
Paisley 06:52:07 -49.9 Dark Down 64.1 175.8 Up 06:37:07 - 07:07:07 -5195
Lakeview 06:52:06 -50.4 Dark Down 64.7 176.2 Up 06:37:06 - 07:07:06 -5237
Chiloquin 06:52:11 -49.5 Dark Down 64.2 172.9 Up 06:37:11 - 07:07:11 -5247
Klamath Falls 06:52:11 -49.8 Dark Down 64.5 173.0 Up 06:37:11 - 07:07:11 -5277
Cedarville 06:52:04 -51.0 Dark Down 65.3 176.4 Up 06:37:04 - 07:07:04 -5293
Tulelake 06:52:10 -50.1 Dark Down 64.8 173.6 Up 06:37:10 - 07:07:10 -5293
Fall River/Burney 06:52:07 -50.9 Dark Down 65.7 173.6 Up 06:37:07 - 07:07:07 -5377
Susanville 06:52:04 -51.7 Dark Down 66.4 175.1 Up 06:37:04 - 07:07:04 -5413
Gimple 06:52:05 -51.9 Dark Down 66.7 174.6 Up 06:37:05 - 07:07:05 -5446
Greenville 06:52:05 -51.8 Dark Down 66.7 174.4 Up 06:37:05 - 07:07:05 -5449
Portola 06:52:03 -52.3 Dark Down 67.0 175.5 Up 06:37:03 - 07:07:03 -5465
Quincy 06:52:04 -52.0 Dark Down 66.9 174.3 Up 06:37:04 - 07:07:04 -5468
Reno 06:52:01 -52.8 Dark Down 67.3 177.0 Up 06:37:01 - 07:07:01 -5470
Yerington 06:51:58 -53.6 Dark Down 67.9 178.6 Up 06:36:58 - 07:06:58 -5501
Carson City 06:52:00 -53.1 Dark Down 67.7 177.0 Up 06:37:00 - 07:07:00 -5503
Gardnerville 06:51:59 -53.3 Dark Down 67.9 177.1 Up 06:36:59 - 07:06:59 -5525
Tonopah 06:51:48 -55.1 Dark Down 68.8 183.6 Up 06:36:48 - 07:06:48 -5525
Hawthorne 06:51:54 -54.2 Dark Down 68.4 179.9 Up 06:36:54 - 07:06:54 -5528
Lee Vining 06:51:55 -54.4 Dark Down 68.9 178.6 Up 06:36:55 - 07:06:55 -5598
Indian Springs 06:51:41 -57.0 Dark Down 70.1 188.1 Up 06:36:41 - 07:06:41 -5614
Beatty 06:51:45 -56.3 Dark Down 69.9 185.0 Up 06:36:45 - 07:06:45 -5620
Bishop 06:51:52 -55.2 Dark Down 69.5 180.5 Up 06:36:52 - 07:06:52 -5632
Henderson 06:51:37 -57.8 Dark Down 70.6 190.2 Up 06:36:37 - 07:06:37 -5640
Patrick 06:51:33 -58.7 Dark Down 71.0 193.7 Up 06:36:33 - 07:06:33 -5660
DCO 06:51:29 -59.3 Dark Down 71.2 196.0 Up 06:36:29 - 07:06:29 -5663
Kingman/Dolan Springs 06:51:33 -58.9 Dark Down 71.3 193.3 Up 06:36:33 - 07:06:33 -5688
Searchlight/Boulder City 06:51:37 -58.3 Dark Down 71.1 190.7 Up 06:36:37 - 07:06:37 -5693
Lone Pine 06:51:49 -56.0 Dark Down 70.3 181.4 Up 06:36:49 - 07:06:49 -5694
Laughlin/Bullhead City 06:51:34 -58.7 Dark Down 71.4 191.8 Up 06:36:34 - 07:06:34 -5709
Mohave Valley 06:51:34 -58.9 Dark Down 71.7 192.0 Up 06:36:34 - 07:06:34 -5735
Lake Havasu City 06:51:33 -59.4 Dark Down 72.0 193.0 Up 06:36:33 - 07:06:33 -5764
Parker 06:51:33 -59.7 Dark Down 72.3 193.4 Up 06:36:33 - 07:06:33 -5797
Blythe 06:51:32 -60.0 Dark Down 72.9 192.8 Up 06:36:32 - 07:06:32 -5859
CPSLO 06:51:56 -55.8 Dark Down 71.5 173.8 Up 06:36:56 - 07:06:56 -5908
Idyllwild 06:51:40 -59.0 Dark Down 73.1 186.0 Up 06:36:40 - 07:06:40 -5924
Calipatria 06:51:35 -60.0 Dark Down 73.5 190.1 Up 06:36:35 - 07:06:35 -5941
Yuma 06:51:30 -60.8 Dark Down 73.8 193.4 Up 06:36:30 - 07:06:30 -5950
Wildwood 06:51:47 -57.8 Dark Down 72.8 179.8 Up 06:36:47 - 07:06:47 -5956

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 13AS183, (2019/03/03 06:51UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  8.32 156
16Psi Leo      09:43:43.9 +14:01:18  5.3  2.96 162
PPM 126714     09:42:18.8 +17:04:55  7.9  0.45 163
PPM 126684     09:40:24.7 +16:58:05  9.1  0.10 164
13AS183        09:40:38.0 +16:53:07 13.6       164
Positions are for J2000

Event circumstances last updated at 2018/10/23 20:58:55 UT

Marc W. Buie, Southwest Research Institute

RECON