RECON: TNO occultation with 613469

Event between (613469) 06QJ181 and star GA1020:02057048 with event index number of 2809635

Geocentric closest approach at 2024/01/06 03:13:30 UTC

J2000 position of star is 06:33:10.1 +12:57:27
Equinox of date position of star is 06:34:25.6 +12:56:21
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon. Moon is 31% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 31.7 AU from the Sun and 30.8 AU from the Earth.
The TNO is moving 24.0 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is 1635 km.
The sky-plane scale is 22326.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 9.6 sec chord
Diameter=94.4 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 613469, (2024/01/06 03:14UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:28.4 +07:24:34  0.4 10.87 126
Alhena         06:39:05.9 +16:22:36  1.9  3.61 118
PPM 122607     06:32:59.9 +11:46:24  6.3  1.22 119
PPM 122725     06:36:52.6 +13:12:10  7.7  0.63 118
PPM 122649     06:34:19.0 +13:00:42  9.3  0.09 119
613469         06:34:31.3 +12:56:16 16.9       118
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 5.0 sigma about the mid-time.
The median site spacing is 24.1 km RECON observability=1.0 and success probability=18.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 03:16:05 -28.1 Dark Down 26.1 101.8 Low 03:03:52 - 03:28:19 3094
Sleaford 03:15:39 -36.9 Dark Down 34.1 115.4 Up 03:03:25 - 03:27:52 3020
Kelowna 03:16:07 -28.6 Dark Down 26.8 102.1 Low 03:03:53 - 03:28:20 3018
Peachland 03:16:08 -28.4 Dark Down 26.7 101.8 Low 03:03:54 - 03:28:21 3013
Summerland 03:16:08 -28.5 Dark Down 26.8 101.8 Low 03:03:54 - 03:28:21 3000
Penticton 03:16:08 -28.6 Dark Down 26.9 101.9 Low 03:03:54 - 03:28:21 2993
Victoria 03:16:16 -26.0 Dark Down 24.6 98.3 Low 03:04:02 - 03:28:29 2969
Oliver 03:16:09 -28.6 Dark Down 26.9 101.7 Low 03:03:55 - 03:28:22 2965
Anarchist Mountain Observatory 03:16:09 -28.7 Dark Down 27.1 101.8 Low 03:03:56 - 03:28:23 2949
Tonasket 03:16:10 -28.6 Dark Down 27.1 101.6 Low 03:03:57 - 03:28:24 2925
Okanogan 03:16:12 -28.5 Dark Down 27.1 101.3 Low 03:03:58 - 03:28:25 2900
Brewster 03:16:12 -28.4 Dark Down 27.0 101.0 Low 03:03:59 - 03:28:26 2881
Manson/Chelan 03:16:14 -28.1 Dark Down 26.8 100.6 Low 03:04:00 - 03:28:27 2869
Wenatchee 03:16:15 -28.0 Dark Down 26.8 100.3 Low 03:04:02 - 03:28:29 2833
Ellensburg 03:16:17 -27.8 Dark Down 26.7 99.9 Low 03:04:04 - 03:28:31 2803
Yakima 03:16:18 -27.8 Dark Down 26.8 99.7 Low 03:04:04 - 03:28:31 2769
Toppenish/White Swan 03:16:18 -27.9 Dark Down 26.9 99.7 Low 03:04:05 - 03:28:32 2749
Goldendale 03:16:21 -27.5 Dark Down 26.7 99.1 Low 03:04:07 - 03:28:34 2710
The Dalles 03:16:22 -27.3 Dark Down 26.5 98.7 Low 03:04:08 - 03:28:35 2696
PNWRO 03:16:18 -28.9 Dark Down 28.0 100.7 Low 03:04:04 - 03:28:31 2695
Maupin 03:16:23 -27.3 Dark Down 26.7 98.6 Low 03:04:10 - 03:28:37 2659
Sisters 03:16:27 -26.9 Dark Down 26.4 97.8 Low 03:04:13 - 03:28:40 2593
Bend 03:16:27 -27.0 Dark Down 26.7 97.9 Low 03:04:13 - 03:28:40 2569
Oregon Observatory 03:16:27 -26.9 Dark Down 26.6 97.7 Low 03:04:14 - 03:28:41 2556
North Lake 03:16:28 -27.3 Dark Down 27.1 97.8 Low 03:04:15 - 03:28:42 2492
Chiloquin 03:16:32 -26.5 Dark Down 26.5 96.7 Low 03:04:18 - 03:28:45 2449
Klamath Falls 03:16:32 -26.5 Dark Down 26.6 96.6 Low 03:04:19 - 03:28:46 2418
Lakeview 03:16:31 -27.5 Dark Down 27.6 97.6 Low 03:04:17 - 03:28:44 2391
Cedarville 03:16:32 -27.6 Dark Down 27.8 97.4 Low 03:04:19 - 03:28:46 2330
Fall River/Burney 03:16:35 -26.6 Dark Down 27.0 96.3 Low 03:04:22 - 03:28:49 2307
Susanville 03:16:36 -27.1 Dark Down 27.6 96.5 Low 03:04:22 - 03:28:49 2238
Greenville 03:16:37 -26.9 Dark Down 27.4 96.2 Low 03:04:24 - 03:28:51 2218
Gimple 03:16:37 -26.9 Dark Down 27.5 96.2 Low 03:04:24 - 03:28:51 2217
Quincy 03:16:38 -26.8 Dark Down 27.5 96.1 Low 03:04:24 - 03:28:51 2200
Portola 03:16:37 -27.2 Dark Down 27.8 96.3 Low 03:04:24 - 03:28:51 2181
Reno 03:16:37 -27.7 Dark Down 28.4 96.6 Low 03:04:23 - 03:28:50 2146
Carson City 03:16:38 -27.6 Dark Down 28.4 96.5 Low 03:04:24 - 03:28:51 2112
Gardnerville 03:16:38 -27.6 Dark Down 28.5 96.4 Low 03:04:25 - 03:28:52 2089
Yerington 03:16:37 -28.1 Dark Down 28.9 96.8 Low 03:04:24 - 03:28:51 2084
Hawthorne 03:16:38 -28.4 Dark Down 29.4 96.9 Low 03:04:24 - 03:28:51 2032
Lee Vining 03:16:40 -28.0 Dark Down 29.1 96.2 Low 03:04:26 - 03:28:53 1989
Dunrhomin 03:16:07 -38.8 Dark Down 39.1 108.0 Up 03:03:53 - 03:28:20 1982
Tonopah 03:16:36 -29.5 Dark Down 30.6 97.6 Up 03:04:23 - 03:28:50 1965
CU-SBO 03:16:08 -38.7 Dark Down 39.1 107.8 Up 03:03:54 - 03:28:21 1960
Bishop 03:16:40 -28.5 Dark Down 29.7 96.4 Low 03:04:27 - 03:28:54 1920
Beatty 03:16:39 -29.7 Dark Down 31.1 97.2 Up 03:04:25 - 03:28:52 1848
Indian Springs 03:16:37 -30.5 Dark Down 32.0 97.7 Up 03:04:24 - 03:28:51 1799
Henderson 03:16:37 -31.0 Dark Down 32.6 97.8 Up 03:04:24 - 03:28:51 1736
Patrick 03:16:36 -31.8 Dark Down 33.6 98.2 Up 03:04:23 - 03:28:50 1657
Laughlin/Bullhead City 03:16:38 -31.2 Dark Down 33.1 97.5 Up 03:04:25 - 03:28:52 1646
Kingman/Dolan Springs 03:16:37 -31.7 Dark Down 33.5 97.9 Up 03:04:23 - 03:28:50 1639
Mohave Valley 03:16:39 -31.2 Dark Down 33.1 97.4 Up 03:04:25 - 03:28:52 1619
Wildwood 03:16:48 -27.8 Dark Down 29.9 94.4 Low 03:04:35 - 03:29:02 1613
Lake Havasu City 03:16:39 -31.4 Dark Down 33.4 97.3 Up 03:04:26 - 03:28:53 1576
Idyllwild 03:16:46 -29.3 Dark Down 31.5 95.3 Up 03:04:32 - 03:28:59 1545
Parker 03:16:40 -31.4 Dark Down 33.4 97.1 Up 03:04:26 - 03:28:53 1541
Calipatria 03:16:45 -30.2 Dark Down 32.5 95.7 Up 03:04:31 - 03:28:58 1464
George/Scottsdale 03:16:36 -33.3 Dark Down 35.5 98.3 Up 03:04:22 - 03:28:49 1459
Yuma 03:16:44 -30.9 Dark Down 33.3 95.9 Up 03:04:30 - 03:28:57 1406

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 613469, (2024/01/06 03:14UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.87 126
Alhena         06:37:42.8 +16:23:56  1.9  3.61 118
PPM 122607     06:31:39.4 +11:47:32  6.3  1.22 119
PPM 122725     06:35:31.3 +13:13:26  7.7  0.63 118
PPM 122649     06:32:57.8 +13:01:52  9.3  0.09 119
613469         06:33:10.1 +12:57:27 16.9       118
Positions are for J2000

Event circumstances last updated at 2022/05/03 01:46:19 UT

Marc W. Buie, Southwest Research Institute

RECON