RECON: TNO occultation with 535168

Event between (535168) 14XU40 and star GA1120:01114722 with event index number of 1617620

Geocentric closest approach at 2020/11/29 08:09:21 UTC

J2000 position of star is 05:20:43.1 +22:56:37
Equinox of date position of star is 05:21:57.5 +22:57:45
Stellar brightness G=15.8, use SENSEUP=128
Star is 25 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=25.3

[RECON map]
TNO is 34.1 AU from the Sun and 33.1 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 184 seconds.
The 1-sigma cross-track error in the shadow position is 1219 km.
The sky-plane scale is 24014.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=229.1 km assuming a 5% albedo -- 2.5 sec chord
Diameter=93.5 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 535168, (2020/11/29 08:09UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.4 +16:32:59  0.8 12.34  14
Alnath         05:27:36.9 +28:37:23  1.6  5.80  28
109 Tau        05:20:32.1 +22:06:59  4.9  0.91  25
PPM 094251     05:19:46.9 +21:48:47  7.8  1.26  24
PPM 094288     05:22:00.8 +22:50:50 11.5  0.12  25
535168         05:21:59.1 +22:57:47 15.8        25
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 4.9 sigma about the mid-time.
The median site spacing is 24.0 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 08:09:37 -60.9 Dark Up 61.9 163.4 Up 07:54:37 - 08:24:37 -2943
Kelowna 08:09:38 -61.3 Dark Up 62.3 162.9 Up 07:54:38 - 08:24:38 -2980
Peachland 08:09:39 -61.5 Dark Up 62.3 162.2 Up 07:54:39 - 08:24:39 -2987
Summerland 08:09:38 -61.6 Dark Up 62.5 162.3 Up 07:54:38 - 08:24:38 -3003
Penticton 08:09:38 -61.7 Dark Up 62.6 162.5 Up 07:54:38 - 08:24:38 -3011
Oliver 08:09:39 -62.0 Dark Up 62.9 162.3 Up 07:54:39 - 08:24:39 -3045
Anarchist Mountain Observatory 08:09:39 -62.2 Dark Up 63.1 162.6 Up 07:54:39 - 08:24:39 -3064
Victoria 08:09:51 -63.0 Dark Up 62.6 154.4 Up 07:54:51 - 08:24:51 -3066
Tonasket 08:09:39 -62.5 Dark Up 63.4 162.3 Up 07:54:39 - 08:24:39 -3093
Okanogan 08:09:40 -62.8 Dark Up 63.7 161.8 Up 07:54:40 - 08:24:40 -3125
Brewster 08:09:40 -63.1 Dark Up 63.9 161.2 Up 07:54:40 - 08:24:40 -3150
Manson/Chelan 08:09:41 -63.4 Dark Up 64.0 160.3 Up 07:54:41 - 08:24:41 -3166
Entiat 08:09:42 -63.6 Dark Up 64.2 160.0 Up 07:54:42 - 08:24:42 -3187
Wenatchee 08:09:42 -63.8 Dark Up 64.4 159.6 Up 07:54:42 - 08:24:42 -3211
Ellensburg 08:09:44 -64.3 Dark Up 64.7 158.9 Up 07:54:44 - 08:24:44 -3250
Yakima 08:09:44 -64.7 Dark Up 65.1 158.5 Up 07:54:44 - 08:24:44 -3290
Toppenish/White Swan 08:09:43 -64.9 Dark Up 65.4 158.7 Up 07:54:43 - 08:24:43 -3314
Pasco 08:09:39 -64.8 Dark Up 65.8 161.3 Up 07:54:39 - 08:24:39 -3340
Goldendale 08:09:45 -65.5 Dark Up 65.8 157.4 Up 07:54:45 - 08:24:45 -3364
PNWRO 08:09:39 -65.0 Dark Up 66.0 161.6 Up 07:54:39 - 08:24:39 -3368
The Dalles 08:09:47 -65.7 Dark Up 65.9 156.4 Up 07:54:47 - 08:24:47 -3383
Maupin 08:09:47 -66.1 Dark Up 66.3 156.2 Up 07:54:47 - 08:24:47 -3426
Sisters 08:09:49 -67.1 Dark Up 66.9 154.3 Up 07:54:49 - 08:24:49 -3509
Redmond 08:09:48 -67.0 Dark Up 67.1 155.2 Up 07:54:48 - 08:24:48 -3516
Bend 08:09:48 -67.3 Dark Up 67.2 154.7 Up 07:54:48 - 08:24:48 -3536
Oregon Observatory 08:09:49 -67.5 Dark Up 67.3 154.2 Up 07:54:49 - 08:24:49 -3552
La Pine/Gilchrist 08:09:49 -67.7 Dark Up 67.5 153.8 Up 07:54:49 - 08:24:49 -3572
North Lake 08:09:48 -68.0 Dark Up 68.1 154.7 Up 07:54:48 - 08:24:48 -3624
Paisley 08:09:47 -68.5 Dark Up 68.7 155.0 Up 07:54:47 - 08:24:47 -3685
Klamath Falls 08:09:52 -69.1 Dark Up 68.7 151.6 Up 07:54:52 - 08:24:52 -3718
Lakeview 08:09:47 -69.0 Dark Up 69.2 154.9 Up 07:54:47 - 08:24:47 -3740
Cedarville 08:09:47 -69.6 Dark Up 69.9 154.6 Up 07:54:47 - 08:24:47 -3810
Fall River/Burney 08:09:52 -70.2 Dark Up 69.9 151.0 Up 07:54:52 - 08:24:52 -3844
Susanville 08:09:50 -70.7 Dark Up 70.7 152.0 Up 07:54:50 - 08:24:50 -3919
Greenville 08:09:51 -71.1 Dark Up 70.8 150.9 Up 07:54:51 - 08:24:51 -3944
Gimple 08:09:50 -71.0 Dark Up 70.9 151.1 Up 07:54:50 - 08:24:50 -3946
Quincy 08:09:51 -71.3 Dark Up 71.0 150.6 Up 07:54:51 - 08:24:51 -3966
Portola 08:09:50 -71.3 Dark Up 71.3 151.6 Up 07:54:50 - 08:24:50 -3985
Reno 08:09:48 -71.4 Dark Up 71.8 153.0 Up 07:54:48 - 08:24:48 -4021
Carson City 08:09:48 -71.8 Dark Up 72.1 152.6 Up 07:54:48 - 08:24:48 -4059
Niwot 08:08:56 -64.9 Dark Up 72.2 197.0 Up 07:53:56 - 08:23:56 -4082
Gardnerville 08:09:48 -72.0 Dark Up 72.3 152.3 Up 07:54:48 - 08:24:48 -4085
Yerington 08:09:46 -71.8 Dark Up 72.5 154.0 Up 07:54:46 - 08:24:46 -4087
SwRI 08:08:57 -65.0 Dark Up 72.3 196.8 Up 07:53:57 - 08:23:57 -4093
Hawthorne 08:09:44 -72.1 Dark Up 73.1 154.9 Up 07:54:44 - 08:24:44 -4142
Lee Vining 08:09:46 -72.8 Dark Up 73.4 152.6 Up 07:54:46 - 08:24:46 -4196
Tonopah 08:09:39 -72.1 Dark Up 74.0 158.6 Up 07:54:39 - 08:24:39 -4208
Bishop 08:09:44 -73.1 Dark Up 74.2 153.9 Up 07:54:44 - 08:24:44 -4268
Beatty 08:09:39 -73.0 Dark Up 75.2 158.5 Up 07:54:39 - 08:24:39 -4336
Indian Springs 08:09:35 -72.8 Dark Up 75.8 161.8 Up 07:54:35 - 08:24:35 -4383
Henderson 08:09:33 -73.0 Dark Up 76.4 163.7 Up 07:54:33 - 08:24:33 -4447
CPSLO 08:09:54 -75.7 Dark Up 75.0 143.1 Up 07:54:54 - 08:24:54 -4459
Searchlight/Boulder City 08:09:33 -73.4 Dark Up 77.0 163.3 Up 07:54:33 - 08:24:33 -4510
Patrick 08:09:29 -72.9 Dark Up 77.3 167.4 Up 07:54:29 - 08:24:29 -4526
Laughlin/Bullhead City 08:09:32 -73.5 Dark Up 77.4 164.3 Up 07:54:32 - 08:24:32 -4545
Kingman/Dolan Springs 08:09:30 -73.2 Dark Up 77.4 166.4 Up 07:54:30 - 08:24:30 -4548
DCO 08:09:27 -72.8 Dark Up 77.7 170.1 Up 07:54:27 - 08:24:27 -4565
Mohave Valley 08:09:32 -73.7 Dark Up 77.6 164.0 Up 07:54:32 - 08:24:32 -4575
Wildwood 08:09:47 -76.1 Dark Up 77.0 147.0 Up 07:54:47 - 08:24:47 -4615
Lake Havasu City 08:09:31 -73.9 Dark Up 78.1 164.5 Up 07:54:31 - 08:24:31 -4620
Parker 08:09:31 -74.1 Dark Up 78.4 164.2 Up 07:54:31 - 08:24:31 -4659
Idyllwild 08:09:41 -75.7 Dark Up 78.1 153.3 Up 07:54:41 - 08:24:41 -4676
Blythe 08:09:33 -74.7 Dark Up 78.8 162.1 Up 07:54:33 - 08:24:33 -4712
George/Scottsdale 08:09:22 -73.0 Dark Up 79.2 175.0 Up 07:54:22 - 08:24:22 -4728
Calipatria 08:09:36 -75.6 Dark Up 79.0 157.0 Up 07:54:36 - 08:24:36 -4756
Yuma 08:09:34 -75.4 Dark Up 79.7 160.4 Up 07:54:34 - 08:24:34 -4812

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 535168, (2020/11/29 08:09UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 12.34  14
Alnath         05:26:17.5 +28:36:23  1.6  5.80  28
109 Tau        05:19:16.6 +22:05:46  4.9  0.91  25
PPM 094251     05:18:31.6 +21:47:33  7.8  1.26  24
PPM 094288     05:20:44.9 +22:49:39 11.5  0.12  25
535168         05:20:43.1 +22:56:37 15.8        25
Positions are for J2000

Event circumstances last updated at 2020/06/22 20:25:02 UT

Marc W. Buie, Southwest Research Institute

RECON