RECON: TNO occultation with 13AQ183

Event between 13AQ183 and star GA1000:03380224 with event index number of 313714

Geocentric closest approach at 2019/12/14 09:00:52 UTC

J2000 position of star is 09:47:24.0 +11:20:20
Equinox of date position of star is 09:48:26.6 +11:14:54
Stellar brightness G=15.4, use SENSEUP=128
Star is 36 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 39.0 AU from the Sun and 38.5 AU from the Earth.
The TNO is moving 8.6 km/sec on the sky relative to the star, or, 1.1 arcsec/hr.
The 1-sigma error in the time of the event is 308 seconds.
The 1-sigma cross-track error in the shadow position is 1614 km.
The sky-plane scale is 27934.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.8
Diameter=265.5 km assuming a 5% albedo -- 30.9 sec chord
Diameter=108.4 km assuming a 30% albedo -- 12.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 13AQ183, (2019/12/14 09:01UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:26.0 +11:52:08  1.3  5.17  41
PPM 126849     09:51:53.5 +11:44:53  6.5  0.98  37
19 Leo         09:48:30.2 +11:28:30  6.6  0.23  36
PPM 126787     09:48:19.9 +11:20:06  9.5  0.10  36
13AQ183        09:48:28.3 +11:14:45 15.4        37
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 2.9 sigma about the mid-time.
The median site spacing is 23.6 km RECON observability=1.0 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)
Kelowna 09:08:31 -59.4 Dark Up 35.9 118.9 Up 08:53:31 - 09:23:31 10388
Summerland 09:08:37 -59.7 Dark Up 35.9 118.4 Up 08:53:37 - 09:23:37 10359
Penticton 09:08:35 -59.7 Dark Up 36.0 118.5 Up 08:53:35 - 09:23:35 10353
Okanagan Falls 09:08:37 -59.9 Dark Up 36.1 118.3 Up 08:53:37 - 09:23:37 10335
Oliver 09:08:38 -60.0 Dark Up 36.2 118.3 Up 08:53:38 - 09:23:38 10320
Anarchist Mountain Observatory 09:08:37 -60.1 Dark Up 36.3 118.3 Up 08:53:37 - 09:23:37 10304
Oroville 09:08:38 -60.2 Dark Up 36.3 118.2 Up 08:53:38 - 09:23:38 10297
Tonasket 09:08:38 -60.4 Dark Up 36.5 118.1 Up 08:53:38 - 09:23:38 10274
Okanogan 09:08:40 -60.7 Dark Up 36.5 117.7 Up 08:53:40 - 09:23:40 10242
Brewster 09:08:43 -61.0 Dark Up 36.5 117.3 Up 08:53:43 - 09:23:43 10215
Manson/Chelan 09:08:46 -61.3 Dark Up 36.4 116.9 Up 08:53:46 - 09:23:46 10194
Entiat 09:08:48 -61.5 Dark Up 36.5 116.7 Up 08:53:48 - 09:23:48 10172
Wenatchee 09:08:50 -61.7 Dark Up 36.5 116.4 Up 08:53:50 - 09:23:50 10147
Ellensburg 09:08:56 -62.1 Dark Up 36.6 115.9 Up 08:53:56 - 09:23:56 10107
Yakima 09:08:53 -62.5 Dark Up 36.8 115.6 Up 08:53:53 - 09:23:53 10067
Toppenish/White Swan 09:08:56 -62.6 Dark Up 37.0 115.7 Up 08:53:56 - 09:23:56 10046
Pasco 09:08:46 -62.1 Dark Up 37.8 116.8 Up 08:53:46 - 09:23:46 10038
PNWRO 09:08:47 -62.2 Dark Up 38.0 116.8 Up 08:53:47 - 09:23:47 10014
George/Umatilla 09:08:49 -62.5 Dark Up 37.8 116.3 Up 08:53:49 - 09:23:49 10004
Goldendale 09:09:00 -63.2 Dark Up 37.0 114.9 Up 08:54:00 - 09:24:00 9991
The Dalles 09:09:01 -63.5 Dark Up 36.8 114.4 Up 08:54:01 - 09:24:01 9968
Maupin 09:09:03 -63.8 Dark Up 37.1 114.2 Up 08:54:03 - 09:24:03 9927
Madras/Culver 09:09:05 -64.2 Dark Up 37.3 113.8 Up 08:54:05 - 09:24:05 9872
Sisters 09:09:10 -64.7 Dark Up 37.1 113.2 Up 08:54:10 - 09:24:10 9838
Redmond 09:09:07 -64.5 Dark Up 37.4 113.5 Up 08:54:07 - 09:24:07 9836
Bend 09:09:10 -64.7 Dark Up 37.4 113.3 Up 08:54:10 - 09:24:10 9815
Oregon Observatory 09:09:14 -64.9 Dark Up 37.4 113.0 Up 08:54:14 - 09:24:14 9797
La Pine/Gilchrist 09:09:12 -65.1 Dark Up 37.4 112.8 Up 08:54:12 - 09:24:12 9776
North Lake 09:09:09 -65.2 Dark Up 38.0 113.1 Up 08:54:09 - 09:24:09 9734
Paisley 09:09:09 -65.4 Dark Up 38.4 113.0 Up 08:54:09 - 09:24:09 9679
Chiloquin 09:09:19 -66.1 Dark Up 37.6 111.8 Up 08:54:19 - 09:24:19 9664
Klamath Falls 09:09:17 -66.3 Dark Up 37.8 111.6 Up 08:54:17 - 09:24:17 9629
Lakeview 09:09:11 -65.6 Dark Up 38.8 112.8 Up 08:54:11 - 09:24:11 9628
Tulelake 09:09:18 -66.4 Dark Up 38.1 111.6 Up 08:54:18 - 09:24:18 9602
Cedarville 09:09:10 -66.0 Dark Up 39.1 112.5 Up 08:54:10 - 09:24:10 9562
Fall River/Burney 09:09:17 -67.0 Dark Up 38.5 111.0 Up 08:54:17 - 09:24:17 9510
Niwot 09:07:19 -57.5 Dark Up 49.4 126.1 Up 08:52:19 - 09:22:19 9507
SwRI 09:07:21 -57.6 Dark Up 49.4 125.9 Up 08:52:21 - 09:22:21 9495
Susanville 09:09:14 -67.0 Dark Up 39.2 111.2 Up 08:54:14 - 09:24:14 9447
Gimple 09:09:21 -67.3 Dark Up 39.2 110.8 Up 08:54:21 - 09:24:21 9417
Greenville 09:09:22 -67.4 Dark Up 39.1 110.8 Up 08:54:22 - 09:24:22 9417
Quincy 09:09:21 -67.5 Dark Up 39.2 110.6 Up 08:54:21 - 09:24:21 9397
Portola 09:09:21 -67.3 Dark Up 39.6 110.9 Up 08:54:21 - 09:24:21 9385
Reno 09:09:15 -67.1 Dark Up 40.1 111.3 Up 08:54:15 - 09:24:15 9359
Carson City 09:09:14 -67.4 Dark Up 40.3 111.0 Up 08:54:14 - 09:24:14 9322
Yerington 09:09:09 -67.1 Dark Up 40.8 111.4 Up 08:54:09 - 09:24:09 9304
Gardnerville 09:09:14 -67.5 Dark Up 40.4 110.8 Up 08:54:14 - 09:24:14 9297
Hawthorne 09:09:10 -67.0 Dark Up 41.4 111.5 Up 08:54:10 - 09:24:10 9257
Tonopah 09:09:00 -66.4 Dark Up 42.5 112.3 Up 08:54:00 - 09:24:00 9214
Lee Vining 09:09:14 -67.7 Dark Up 41.2 110.6 Up 08:54:14 - 09:24:14 9197
Bishop 09:09:10 -67.6 Dark Up 41.9 110.7 Up 08:54:10 - 09:24:10 9137
Beatty 09:09:00 -66.7 Dark Up 43.3 111.7 Up 08:54:00 - 09:24:00 9095
Indian Springs 09:08:49 -66.1 Dark Up 44.2 112.3 Up 08:53:49 - 09:23:49 9066
Lone Pine 09:09:11 -67.7 Dark Up 42.5 110.4 Up 08:54:11 - 09:24:11 9058
Henderson 09:08:46 -65.9 Dark Up 44.9 112.4 Up 08:53:46 - 09:23:46 9013
Patrick 09:08:42 -65.3 Dark Up 46.0 112.9 Up 08:53:42 - 09:23:42 8954
Searchlight/Boulder City 09:08:47 -66.1 Dark Up 45.2 112.0 Up 08:53:47 - 09:23:47 8953
Kingman/Dolan Springs 09:08:40 -65.6 Dark Up 45.9 112.5 Up 08:53:40 - 09:23:40 8929
DCO 09:08:35 -64.9 Dark Up 46.6 113.2 Up 08:53:35 - 09:23:35 8925
Laughlin/Bullhead City 09:08:42 -66.0 Dark Up 45.5 112.0 Up 08:53:42 - 09:23:42 8924
CPSLO 09:09:31 -70.1 Dark Up 41.0 107.2 Up 08:54:31 - 09:24:31 8912
Mohave Valley 09:08:46 -66.1 Dark Up 45.6 111.8 Up 08:53:46 - 09:23:46 8895
Lake Havasu City 09:08:43 -66.0 Dark Up 46.0 111.6 Up 08:53:43 - 09:23:43 8854
Parker 09:08:45 -66.1 Dark Up 46.1 111.3 Up 08:53:45 - 09:23:45 8816
Wildwood 09:09:17 -69.3 Dark Up 42.9 107.7 Up 08:54:17 - 09:24:17 8791
Idyllwild 09:09:07 -68.1 Dark Up 44.5 108.9 Up 08:54:07 - 09:24:07 8760
Blythe 09:08:47 -66.5 Dark Up 46.1 110.5 Up 08:53:47 - 09:23:47 8759
Calipatria 09:08:56 -67.4 Dark Up 45.6 109.3 Up 08:53:56 - 09:23:56 8701
Yuma 09:08:49 -66.9 Dark Up 46.4 109.6 Up 08:53:49 - 09:23:49 8660

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 13AQ183, (2019/12/14 09:01UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  5.17  41
PPM 126849     09:50:49.2 +11:50:32  6.5  0.98  37
19 Leo         09:47:25.9 +11:34:05  6.6  0.23  36
PPM 126787     09:47:15.6 +11:25:41  9.5  0.10  36
13AQ183        09:47:24.0 +11:20:20 15.4        36
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:00:33 UT

Marc W. Buie, Southwest Research Institute

RECON