RECON: TNO occultation with 05VZ122

Event between 05VZ122 and star GA1020:01808904 with event index number of 1957043

Geocentric closest approach at 2023/11/16 07:14:35 UTC

J2000 position of star is 06:26:00.8 +13:19:32
Equinox of date position of star is 06:27:15.2 +13:18:41
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 164 degrees from the moon. Moon is 10% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 36.1 AU from the Sun and 35.4 AU from the Earth.
The TNO is moving 17.6 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 304 seconds.
The 1-sigma cross-track error in the shadow position is 1569 km.
The sky-plane scale is 25687.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=214.8 km assuming a 5% albedo -- 12.0 sec chord
Diameter=87.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 8:5EEE
 
 
 
 
 
 

Star training set for 05VZ122, (2023/11/16 07:09UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:27.9 +07:24:34  0.4  9.62 159
Alhena         06:39:05.4 +16:22:37  1.9  4.18 165
PPM 122364     06:23:56.8 +12:33:24  6.4  1.12 163
PPM 122454     06:27:00.6 +13:15:22  8.1  0.10 164
PPM 122468     06:27:22.2 +13:14:19  9.6  0.07 164
05VZ122        06:27:21.7 +13:18:36 15.5       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 3.0 sigma about the mid-time.
The median site spacing is 20.5 km RECON observability=1.0 and success probability=26.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:16:50 -57.5 Dark Down 33.6 112.0 Up 07:01:50 - 07:31:50 244
Kelowna 07:16:52 -58.4 Dark Down 34.4 112.3 Up 07:01:52 - 07:31:52 171
Peachland 07:16:53 -58.5 Dark Down 34.3 112.0 Up 07:01:53 - 07:31:53 170
Victoria 07:17:07 -59.0 Dark Down 32.5 108.0 Up 07:02:07 - 07:32:07 163
Summerland 07:16:54 -58.6 Dark Down 34.4 112.0 Up 07:01:54 - 07:31:54 158
Penticton 07:16:54 -58.7 Dark Down 34.5 112.0 Up 07:01:54 - 07:31:54 151
Oliver 07:16:55 -59.1 Dark Down 34.6 111.8 Up 07:01:55 - 07:31:55 126
Anarchist Mountain Observatory 07:16:56 -59.3 Dark Down 34.8 111.9 Up 07:01:56 - 07:31:56 111
Tonasket 07:16:57 -59.5 Dark Down 34.9 111.6 Up 07:01:57 - 07:31:57 90
Okanogan 07:16:59 -59.9 Dark Down 34.9 111.3 Up 07:01:59 - 07:31:59 70
Brewster 07:17:01 -60.1 Dark Down 34.9 110.9 Up 07:02:01 - 07:32:01 55
Sleaford 07:16:07 -56.2 Dark Down 40.6 127.4 Up 07:01:07 - 07:31:07 50
Manson/Chelan 07:17:02 -60.2 Dark Down 34.8 110.4 Up 07:02:02 - 07:32:02 49
Wenatchee 07:17:05 -60.7 Dark Down 34.8 110.0 Up 07:02:05 - 07:32:05 19
Ellensburg 07:17:07 -61.0 Dark Down 34.8 109.5 Up 07:02:07 - 07:32:07 -6
Yakima 07:17:09 -61.4 Dark Down 35.0 109.3 Up 07:02:09 - 07:32:09 -35
Toppenish/White Swan 07:17:10 -61.7 Dark Down 35.1 109.3 Up 07:02:10 - 07:32:10 -54
Goldendale 07:17:13 -62.1 Dark Down 35.0 108.5 Up 07:02:13 - 07:32:13 -85
Pasco 07:17:07 -62.0 Dark Down 36.0 110.3 Up 07:02:07 - 07:32:07 -92
The Dalles 07:17:15 -62.3 Dark Down 34.9 108.1 Up 07:02:15 - 07:32:15 -93
PNWRO 07:17:08 -62.3 Dark Down 36.2 110.3 Up 07:02:08 - 07:32:08 -115
Maupin 07:17:17 -62.7 Dark Down 35.1 107.9 Up 07:02:17 - 07:32:17 -127
Sisters 07:17:22 -63.4 Dark Down 35.0 106.9 Up 07:02:22 - 07:32:22 -180
Redmond 07:17:21 -63.6 Dark Down 35.3 107.2 Up 07:02:21 - 07:32:21 -191
Bend 07:17:22 -63.7 Dark Down 35.3 107.0 Up 07:02:22 - 07:32:22 -204
Oregon Observatory 07:17:23 -63.9 Dark Down 35.2 106.7 Up 07:02:23 - 07:32:23 -214
La Pine/Gilchrist 07:17:24 -64.0 Dark Down 35.3 106.6 Up 07:02:24 - 07:32:24 -228
North Lake 07:17:25 -64.6 Dark Down 35.8 106.8 Up 07:02:25 - 07:32:25 -275
Chiloquin 07:17:30 -65.0 Dark Down 35.3 105.5 Up 07:02:30 - 07:32:30 -305
Paisley 07:17:26 -65.2 Dark Down 36.2 106.7 Up 07:02:26 - 07:32:26 -327
Klamath Falls 07:17:31 -65.4 Dark Down 35.5 105.4 Up 07:02:31 - 07:32:31 -333
Lakeview 07:17:28 -65.7 Dark Down 36.5 106.5 Up 07:02:28 - 07:32:28 -370
Cedarville 07:17:30 -66.4 Dark Down 36.8 106.2 Up 07:02:30 - 07:32:30 -426
Fall River/Burney 07:17:35 -66.6 Dark Down 36.1 104.9 Up 07:02:35 - 07:32:35 -435
Susanville 07:17:36 -67.4 Dark Down 36.8 105.0 Up 07:02:36 - 07:32:36 -503
Greenville 07:17:38 -67.5 Dark Down 36.7 104.6 Up 07:02:38 - 07:32:38 -518
Gimple 07:17:38 -67.6 Dark Down 36.7 104.6 Up 07:02:38 - 07:32:38 -521
Quincy 07:17:39 -67.7 Dark Down 36.7 104.4 Up 07:02:39 - 07:32:39 -535
Portola 07:17:38 -68.0 Dark Down 37.1 104.7 Up 07:02:38 - 07:32:38 -557
Reno 07:17:37 -68.4 Dark Down 37.6 105.0 Up 07:02:37 - 07:32:37 -595
Carson City 07:17:39 -68.7 Dark Down 37.8 104.8 Up 07:02:39 - 07:32:39 -624
Gardnerville 07:17:39 -69.0 Dark Down 37.9 104.6 Up 07:02:39 - 07:32:39 -646
Yerington 07:17:38 -69.1 Dark Down 38.3 105.1 Up 07:02:38 - 07:32:38 -656
Hawthorne 07:17:38 -69.6 Dark Down 38.8 105.2 Up 07:02:38 - 07:32:38 -708
Lee Vining 07:17:42 -70.1 Dark Down 38.6 104.4 Up 07:02:42 - 07:32:42 -743
Tonopah 07:17:36 -70.3 Dark Down 40.0 105.9 Up 07:02:36 - 07:32:36 -783
Bishop 07:17:42 -70.8 Dark Down 39.3 104.5 Up 07:02:42 - 07:32:42 -812
Beatty 07:17:39 -71.5 Dark Down 40.7 105.4 Up 07:02:39 - 07:32:39 -894
Dunrhomin 07:16:48 -67.4 Dark Down 47.7 118.7 Up 07:01:48 - 07:31:48 -897
CPSLO 07:17:56 -72.2 Dark Down 38.0 101.3 Up 07:02:56 - 07:32:56 -929
Indian Springs 07:17:37 -72.0 Dark Down 41.6 105.9 Up 07:02:37 - 07:32:37 -950
Henderson 07:17:36 -72.6 Dark Down 42.3 106.0 Up 07:02:36 - 07:32:36 -1015
Wildwood 07:17:55 -73.9 Dark Down 39.9 101.7 Up 07:02:55 - 07:32:55 -1089
Patrick 07:17:35 -73.3 Dark Down 43.3 106.3 Up 07:02:35 - 07:32:35 -1099
Laughlin/Bullhead City 07:17:38 -73.5 Dark Down 42.8 105.6 Up 07:02:38 - 07:32:38 -1102
Kingman/Dolan Springs 07:17:36 -73.5 Dark Down 43.2 106.0 Up 07:02:36 - 07:32:36 -1113
Mohave Valley 07:17:39 -73.8 Dark Down 42.9 105.3 Up 07:02:39 - 07:32:39 -1126
Lake Havasu City 07:17:40 -74.2 Dark Down 43.2 105.2 Up 07:02:40 - 07:32:40 -1168
Idyllwild 07:17:50 -74.6 Dark Down 41.5 102.8 Up 07:02:50 - 07:32:50 -1171
Parker 07:17:41 -74.5 Dark Down 43.3 104.9 Up 07:02:41 - 07:32:41 -1201
Blythe 07:17:44 -75.0 Dark Down 43.2 104.2 Up 07:02:44 - 07:32:44 -1239
Calipatria 07:17:48 -75.4 Dark Down 42.6 103.1 Up 07:02:48 - 07:32:48 -1259
George/Scottsdale 07:17:34 -74.9 Dark Down 45.4 106.4 Up 07:02:34 - 07:32:34 -1304
Yuma 07:17:47 -75.9 Dark Down 43.4 103.3 Up 07:02:47 - 07:32:47 -1322

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 05VZ122, (2023/11/16 07:09UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  9.62 159
Alhena         06:37:42.8 +16:23:57  1.9  4.18 165
PPM 122364     06:22:36.3 +12:34:12  6.4  1.12 163
PPM 122454     06:25:39.7 +13:16:16  8.1  0.10 164
PPM 122468     06:26:01.3 +13:15:14  9.6  0.07 164
05VZ122        06:26:00.8 +13:19:32 15.5       164
Positions are for J2000

Event circumstances last updated at 2021/12/18 02:08:16 UT

Marc W. Buie, Southwest Research Institute

RECON