RECON: TNO occultation with 13SK106

Event between 13SK106 and star GA0940:00092012 with event index number of 1712377

Geocentric closest approach at 2020/12/04 07:16:52 UTC

J2000 position of star is 01:01:16.5 +05:51:47
Equinox of date position of star is 01:02:21.6 +05:58:31
Stellar brightness G=16.1, use SENSEUP=128
Star is 101 degrees from the moon. Moon is 86% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 43.6 AU from the Sun and 43.0 AU from the Earth.
The TNO is moving 12.1 km/sec on the sky relative to the star, or, 1.4 arcsec/hr.
The 1-sigma error in the time of the event is 264 seconds.
The 1-sigma cross-track error in the shadow position is 1983 km.
The sky-plane scale is 31219.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 18.0 sec chord
Diameter=89.3 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 13SK106, (2020/12/04 07:17UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:19.0 +15:17:59  2.8 15.03 107
80 Psc         01:09:27.0 +05:45:36  5.5  1.78  99
PPM 144194     01:03:39.2 +05:52:38  8.5  0.34 100
PPM 144187     01:03:22.9 +05:58:44  9.3  0.25 100
13SK106        01:02:21.6 +05:58:31 16.1       100
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 3.4 sigma about the mid-time.
The median site spacing is 23.3 km RECON observability=1.0 and success probability=4.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 07:10:49 -61.1 Dark Up 31.0 237.6 Up 06:55:49 - 07:25:49 -4537
Kelowna 07:10:49 -61.5 Dark Up 31.3 237.6 Up 06:55:49 - 07:25:49 -4571
Peachland 07:10:50 -61.5 Dark Up 31.5 237.4 Up 06:55:50 - 07:25:50 -4578
Summerland 07:10:49 -61.7 Dark Up 31.6 237.5 Up 06:55:49 - 07:25:49 -4593
Penticton 07:10:48 -61.8 Dark Up 31.5 237.7 Up 06:55:48 - 07:25:48 -4601
Oliver 07:10:47 -62.1 Dark Up 31.7 237.9 Up 06:55:47 - 07:25:47 -4634
Victoria 07:11:02 -61.7 Dark Up 34.2 234.5 Up 06:56:02 - 07:26:02 -4645
Anarchist Mountain Observatory 07:10:46 -62.3 Dark Up 31.7 238.1 Up 06:55:46 - 07:25:46 -4653
Tonasket 07:10:46 -62.6 Dark Up 31.9 238.2 Up 06:55:46 - 07:25:46 -4682
Okanogan 07:10:46 -62.9 Dark Up 32.2 238.3 Up 06:55:46 - 07:25:46 -4712
Brewster 07:10:45 -63.1 Dark Up 32.4 238.2 Up 06:55:45 - 07:25:45 -4735
Manson/Chelan 07:10:46 -63.2 Dark Up 32.8 238.0 Up 06:55:46 - 07:25:46 -4750
Entiat 07:10:47 -63.4 Dark Up 32.9 238.0 Up 06:55:47 - 07:25:47 -4770
Wenatchee 07:10:47 -63.6 Dark Up 33.1 238.1 Up 06:55:47 - 07:25:47 -4793
Ellensburg 07:10:47 -63.9 Dark Up 33.4 238.1 Up 06:55:47 - 07:25:47 -4830
Yakima 07:10:46 -64.3 Dark Up 33.7 238.3 Up 06:55:46 - 07:25:46 -4869
Toppenish/White Swan 07:10:45 -64.5 Dark Up 33.7 238.6 Up 06:55:45 - 07:25:45 -4893
Pasco 07:10:39 -65.0 Dark Up 33.0 239.8 Up 06:55:39 - 07:25:39 -4922
Goldendale 07:10:46 -64.9 Dark Up 34.2 238.5 Up 06:55:46 - 07:25:46 -4940
PNWRO 07:10:37 -65.2 Dark Up 33.0 240.2 Up 06:55:37 - 07:25:37 -4949
The Dalles 07:10:47 -65.0 Dark Up 34.6 238.3 Up 06:55:47 - 07:25:47 -4957
Maupin 07:10:45 -65.4 Dark Up 34.7 238.6 Up 06:55:45 - 07:25:45 -5000
Sisters 07:10:46 -66.1 Dark Up 35.5 238.7 Up 06:55:46 - 07:25:46 -5079
Redmond 07:10:43 -66.2 Dark Up 35.2 239.1 Up 06:55:43 - 07:25:43 -5087
Bend 07:10:45 -66.4 Dark Up 35.4 239.1 Up 06:55:45 - 07:25:45 -5106
Oregon Observatory 07:10:45 -66.5 Dark Up 35.6 239.0 Up 06:55:45 - 07:25:45 -5121
La Pine/Gilchrist 07:10:45 -66.6 Dark Up 35.8 239.1 Up 06:55:45 - 07:25:45 -5140
North Lake 07:10:41 -67.2 Dark Up 35.6 239.9 Up 06:55:41 - 07:25:41 -5192
Paisley 07:10:38 -67.8 Dark Up 35.7 240.6 Up 06:55:38 - 07:25:38 -5253
Klamath Falls 07:10:45 -67.8 Dark Up 36.7 239.8 Up 06:55:45 - 07:25:45 -5281
Lakeview 07:10:37 -68.3 Dark Up 35.8 241.1 Up 06:55:37 - 07:25:37 -5306
Cedarville 07:10:35 -69.0 Dark Up 36.0 241.7 Up 06:55:35 - 07:25:35 -5375
Fall River/Burney 07:10:40 -69.0 Dark Up 37.0 240.9 Up 06:55:40 - 07:25:40 -5405
Susanville 07:10:36 -69.8 Dark Up 36.8 242.0 Up 06:55:36 - 07:25:36 -5481
Greenville 07:10:37 -69.9 Dark Up 37.2 241.9 Up 06:55:37 - 07:25:37 -5504
Gimple 07:10:37 -70.0 Dark Up 37.1 241.9 Up 06:55:37 - 07:25:37 -5506
Quincy 07:10:36 -70.1 Dark Up 37.3 242.0 Up 06:55:36 - 07:25:36 -5525
Portola 07:10:35 -70.4 Dark Up 37.0 242.5 Up 06:55:35 - 07:25:35 -5545
Reno 07:10:31 -70.9 Dark Up 36.7 243.3 Up 06:55:31 - 07:25:31 -5582
Carson City 07:10:31 -71.2 Dark Up 36.8 243.5 Up 06:55:31 - 07:25:31 -5619
Gardnerville 07:10:29 -71.4 Dark Up 36.9 243.7 Up 06:55:29 - 07:25:29 -5645
Yerington 07:10:27 -71.6 Dark Up 36.5 244.2 Up 06:55:27 - 07:25:27 -5649
Niwot 07:09:32 -71.8 Dark Up 26.2 254.6 Low 06:54:32 - 07:24:32 -5692
SwRI 07:09:33 -71.9 Dark Up 26.3 254.6 Low 06:54:33 - 07:24:33 -5702
Hawthorne 07:10:24 -72.2 Dark Up 36.3 245.0 Up 06:55:24 - 07:25:24 -5704
Lee Vining 07:10:25 -72.5 Dark Up 36.9 244.9 Up 06:55:25 - 07:25:25 -5755
Tonopah 07:10:17 -73.1 Dark Up 35.5 246.5 Up 06:55:17 - 07:25:17 -5773
Bishop 07:10:21 -73.3 Dark Up 36.6 245.9 Up 06:55:21 - 07:25:21 -5828
Beatty 07:10:15 -74.3 Dark Up 35.6 247.6 Up 06:55:15 - 07:25:15 -5901
Indian Springs 07:10:08 -74.9 Dark Up 35.0 248.7 Up 06:55:08 - 07:25:08 -5950
CPSLO 07:10:30 -74.0 Dark Up 39.1 245.5 Up 06:55:30 - 07:25:30 -6008
Henderson 07:10:05 -75.6 Dark Up 34.7 249.5 Up 06:55:05 - 07:25:05 -6015
Searchlight/Boulder City 07:10:03 -76.1 Dark Up 34.8 250.0 Up 06:55:03 - 07:25:03 -6077
Patrick 07:09:58 -76.4 Dark Up 34.0 250.8 Up 06:54:58 - 07:24:58 -6096
Laughlin/Bullhead City 07:10:03 -76.5 Dark Up 34.6 250.4 Up 06:55:03 - 07:25:03 -6113
Kingman/Dolan Springs 07:09:59 -76.6 Dark Up 34.3 250.8 Up 06:54:59 - 07:24:59 -6117
DCO 07:09:55 -76.9 Dark Up 33.6 251.5 Up 06:54:55 - 07:24:55 -6138
Mohave Valley 07:10:01 -76.8 Dark Up 34.7 250.6 Up 06:55:01 - 07:25:01 -6142
Wildwood 07:10:20 -76.0 Dark Up 38.1 248.1 Up 06:55:20 - 07:25:20 -6168
Lake Havasu City 07:09:59 -77.2 Dark Up 34.7 251.0 Up 06:54:59 - 07:24:59 -6188
Parker 07:09:59 -77.6 Dark Up 34.8 251.3 Up 06:54:59 - 07:24:59 -6226
Idyllwild 07:10:09 -77.1 Dark Up 36.8 249.8 Up 06:55:09 - 07:25:09 -6235
Blythe 07:10:00 -78.0 Dark Up 35.2 251.4 Up 06:55:00 - 07:25:00 -6278
George/Scottsdale 07:09:48 -78.5 Dark Up 33.0 253.3 Up 06:54:48 - 07:24:48 -6302
Calipatria 07:10:04 -78.1 Dark Up 36.1 251.1 Up 06:55:04 - 07:25:04 -6317
Yuma 07:10:00 -78.8 Dark Up 35.5 252.0 Up 06:55:00 - 07:25:00 -6376

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 13SK106, (2020/12/04 07:17UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:01  2.8 15.03 107
80 Psc         01:08:21.8 +05:38:55  5.5  1.78  99
PPM 144194     01:02:34.0 +05:45:55  8.5  0.34 100
PPM 144187     01:02:17.7 +05:52:00  9.3  0.25 100
13SK106        01:01:16.5 +05:51:47 16.1       101
Positions are for J2000

Event circumstances last updated at 2020/12/02 11:28:26 UT

Marc W. Buie, Southwest Research Institute

RECON