RECON: TNO occultation with 05VZ122

Event between 05VZ122 and star GA1020:01725074 with event index number of 1957059

Geocentric closest approach at 2023/12/31 01:48:24 UTC

J2000 position of star is 06:22:06.1 +13:16:03
Equinox of date position of star is 06:23:20.6 +13:15:19
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 51 degrees from the moon. Moon is 85% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 36.2 AU from the Sun and 35.2 AU from the Earth.
The TNO is moving 25.0 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 204 seconds.
The 1-sigma cross-track error in the shadow position is 1519 km.
The sky-plane scale is 25519.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=214.8 km assuming a 5% albedo -- 8.4 sec chord
Diameter=87.7 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is 8:5EEE
 
 
 
 
 
 

Star training set for 05VZ122, (2023/12/31 01:45UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:28.3 +07:24:34  0.4  8.84  59
Alhena         06:39:05.9 +16:22:36  1.9  4.90  47
PPM 122364     06:23:57.2 +12:33:23  6.4  0.71  51
PPM 122343     06:23:06.0 +12:50:56  7.8  0.41  51
PPM 122360     06:23:46.1 +13:07:03  9.7  0.16  51
05VZ122        06:23:27.4 +13:15:15 17.0        51
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 4.4 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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)
Kamloops 01:51:13 -15.7 AT Down 11.0 82.4 Really Low 01:36:13 - 02:06:13 7613
Kelowna 01:51:15 -16.0 AT Down 11.4 82.9 Really Low 01:36:15 - 02:06:15 7539
Peachland 01:51:15 -15.8 AT Down 11.2 82.7 Really Low 01:36:15 - 02:06:15 7536
Summerland 01:51:16 -15.8 AT Down 11.3 82.7 Really Low 01:36:16 - 02:06:16 7524
Penticton 01:51:16 -15.9 AT Down 11.3 82.8 Really Low 01:36:16 - 02:06:16 7517
Victoria 01:51:19 -13.2 AT Down 8.7 79.8 Really Low 01:36:19 - 02:06:19 7507
Sleaford 01:51:01 -24.8 Dark Down 20.0 94.0 Really Low 01:36:01 - 02:06:01 7492
Oliver 01:51:17 -15.8 AT Down 11.3 82.7 Really Low 01:36:17 - 02:06:17 7491
Anarchist Mountain Observatory 01:51:18 -15.9 AT Down 11.4 82.8 Really Low 01:36:18 - 02:06:18 7475
Tonasket 01:51:18 -15.7 AT Down 11.3 82.7 Really Low 01:36:18 - 02:06:18 7453
Okanogan 01:51:20 -15.5 AT Down 11.2 82.5 Really Low 01:36:20 - 02:06:20 7430
Brewster 01:51:21 -15.3 AT Down 11.0 82.3 Really Low 01:36:21 - 02:06:21 7414
Manson/Chelan 01:51:21 -15.0 AT Down 10.7 82.0 Really Low 01:36:21 - 02:06:21 7404
Wenatchee 01:51:23 -14.8 AT Down 10.6 81.8 Really Low 01:36:23 - 02:06:23 7371
Ellensburg 01:51:24 -14.5 AT Down 10.3 81.6 Really Low 01:36:24 - 02:06:24 7343
Yakima 01:51:26 -14.4 AT Down 10.3 81.5 Really Low 01:36:26 - 02:06:26 7312
Toppenish/White Swan 01:51:26 -14.4 AT Down 10.4 81.6 Really Low 01:36:26 - 02:06:26 7293
Goldendale 01:51:28 -14.0 AT Down 10.0 81.2 Really Low 01:36:28 - 02:06:28 7257
The Dalles 01:51:29 -13.6 AT Down 9.7 80.9 Really Low 01:36:29 - 02:06:29 7246
PNWRO 01:51:27 -15.3 AT Down 11.3 82.6 Really Low 01:36:27 - 02:06:27 7238
Maupin 01:51:30 -13.6 AT Down 9.7 80.9 Really Low 01:36:30 - 02:06:30 7212
Sisters 01:51:31 -13.0 AT Down 9.2 80.4 Really Low 01:36:31 - 02:06:31 7151
Bend 01:51:33 -13.1 AT Down 9.4 80.6 Really Low 01:36:33 - 02:06:33 7128
Oregon Observatory 01:51:34 -12.9 AT Down 9.3 80.5 Really Low 01:36:34 - 02:06:34 7116
North Lake 01:51:36 -13.1 AT Down 9.6 80.7 Really Low 01:36:36 - 02:06:36 7054
Chiloquin 01:51:38 -12.2 AT Down 8.8 80.0 Really Low 01:36:38 - 02:06:38 7017
Klamath Falls 01:51:39 -12.1 AT Down 8.8 80.0 Really Low 01:36:39 - 02:06:39 6988
Lakeview 01:51:39 -13.1 AT Down 9.8 80.9 Really Low 01:36:39 - 02:06:39 6957
Cedarville 01:51:40 -13.0 AT Down 9.8 80.9 Really Low 01:36:40 - 02:06:40 6899
Fall River/Burney 01:51:42 -12.0 AT Down 8.8 80.1 Really Low 01:36:42 - 02:06:42 6882
Susanville 01:51:44 -12.3 AT Down 9.3 80.4 Really Low 01:36:44 - 02:06:44 6815
Greenville 01:51:45 -12.0 AT Down 9.0 80.2 Really Low 01:36:45 - 02:06:45 6797
Gimple 01:51:45 -12.1 AT Down 9.1 80.3 Really Low 01:36:45 - 02:06:45 6795
Quincy 01:51:45 -11.9 NT Down 9.0 80.2 Really Low 01:36:45 - 02:06:45 6780
Portola 01:51:45 -12.3 AT Down 9.3 80.5 Really Low 01:36:45 - 02:06:45 6760
Reno 01:51:46 -12.6 AT Down 9.8 80.8 Really Low 01:36:46 - 02:06:46 6724
Carson City 01:51:47 -12.5 AT Down 9.8 80.8 Really Low 01:36:47 - 02:06:47 6693
Gardnerville 01:51:47 -12.5 AT Down 9.8 80.8 Really Low 01:36:47 - 02:06:47 6671
Yerington 01:51:48 -12.9 AT Down 10.2 81.1 Really Low 01:36:48 - 02:06:48 6664
Hawthorne 01:51:49 -13.2 AT Down 10.6 81.4 Really Low 01:36:49 - 02:06:49 6613
Lee Vining 01:51:51 -12.6 AT Down 10.1 81.0 Really Low 01:36:51 - 02:06:51 6573
Tonopah 01:51:49 -14.1 AT Down 11.6 82.1 Really Low 01:36:49 - 02:06:49 6544
Dunrhomin 01:51:36 -23.6 Dark Down 21.0 90.2 Low 01:36:36 - 02:06:36 6509
Bishop 01:51:51 -13.0 AT Down 10.6 81.3 Really Low 01:36:51 - 02:06:51 6505
Beatty 01:51:52 -14.1 AT Down 11.8 82.2 Really Low 01:36:52 - 02:06:52 6431
Indian Springs 01:51:53 -14.8 AT Down 12.6 82.7 Really Low 01:36:53 - 02:06:53 6380
Henderson 01:51:54 -15.2 AT Down 13.1 83.0 Really Low 01:36:54 - 02:06:54 6317
Patrick 01:51:55 -15.8 AT Down 14.0 83.5 Really Low 01:36:55 - 02:06:55 6237
Laughlin/Bullhead City 01:51:56 -15.2 AT Down 13.4 83.0 Really Low 01:36:56 - 02:06:56 6229
Kingman/Dolan Springs 01:51:56 -15.6 AT Down 13.8 83.3 Really Low 01:36:56 - 02:06:56 6221
Wildwood 01:52:00 -11.7 NT Down 9.9 80.6 Really Low 01:37:00 - 02:07:00 6214
Mohave Valley 01:51:57 -15.1 AT Down 13.3 83.0 Really Low 01:36:57 - 02:06:57 6204
Lake Havasu City 01:51:57 -15.2 AT Down 13.5 83.0 Really Low 01:36:57 - 02:06:57 6162
Idyllwild 01:52:00 -13.1 AT Down 11.4 81.6 Really Low 01:37:00 - 02:07:00 6141
Parker 01:51:58 -15.1 AT Down 13.5 82.9 Really Low 01:36:58 - 02:06:58 6128
Calipatria 01:52:01 -13.8 AT Down 12.3 82.1 Really Low 01:37:01 - 02:07:01 6059
George/Scottsdale 01:51:58 -16.9 AT Down 15.4 84.1 Really Low 01:36:58 - 02:06:58 6038
Yuma 01:52:02 -14.4 AT Down 13.0 82.4 Really Low 01:37:02 - 02:07:02 5999

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, (2023/12/31 01:45UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  8.84  59
Alhena         06:37:42.8 +16:23:57  1.9  4.90  47
PPM 122364     06:22:36.3 +12:34:12  6.4  0.71  51
PPM 122343     06:21:45.0 +12:51:43  7.8  0.41  51
PPM 122360     06:22:24.8 +13:07:52  9.7  0.16  51
05VZ122        06:22:06.1 +13:16:03 17.0        51
Positions are for J2000

Event circumstances last updated at 2021/12/20 00:07:57 UT

Marc W. Buie, Southwest Research Institute

RECON