RECON: TNO occultation with 613469

Event between (613469) 06QJ181 and star GA1020:02034646 with event index number of 2809638

Geocentric closest approach at 2024/01/16 06:40:13 UTC

J2000 position of star is 06:32:07.2 +12:57:47
Equinox of date position of star is 06:33:22.7 +12:56:43
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 97 degrees from the moon. Moon is 29% 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 22.8 km/sec on the sky relative to the star, or, 3.7 arcsec/hr.
The 1-sigma error in the time of the event is 148 seconds.
The 1-sigma cross-track error in the shadow position is 1639 km.
The sky-plane scale is 22351.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 10.1 sec chord
Diameter=94.4 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 613469, (2024/01/16 06:40UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:28.5 +07:24:34  0.4 10.65  87
Alhena         06:39:06.0 +16:22:36  1.9  3.69  98
PPM 122607     06:33:00.0 +11:46:24  6.3  1.18  96
PPM 122552     06:30:39.4 +12:31:48  8.2  0.80  96
PPM 122610     06:33:04.2 +12:51:25 10.0  0.13  96
613469         06:33:28.4 +12:56:38 16.7        97
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 28.0 km RECON observability=1.0 and success probability=0.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:39:49 -58.3 Dark Down 49.9 197.1 Up 06:27:00 - 06:52:37 8177
Kamloops 06:40:31 -55.4 Dark Down 52.2 175.1 Up 06:27:42 - 06:53:19 7998
Kelowna 06:40:29 -56.4 Dark Down 53.1 176.5 Up 06:27:40 - 06:53:17 7928
Peachland 06:40:29 -56.4 Dark Down 53.2 176.0 Up 06:27:41 - 06:53:18 7917
Summerland 06:40:29 -56.6 Dark Down 53.3 176.1 Up 06:27:41 - 06:53:18 7904
Penticton 06:40:28 -56.6 Dark Down 53.4 176.3 Up 06:27:39 - 06:53:16 7898
Oliver 06:40:29 -56.9 Dark Down 53.7 176.3 Up 06:27:40 - 06:53:17 7867
Anarchist Mountain Observatory 06:40:28 -57.1 Dark Down 53.9 176.6 Up 06:27:39 - 06:53:16 7852
Tonasket 06:40:28 -57.3 Dark Down 54.2 176.4 Up 06:27:40 - 06:53:17 7824
Victoria 06:40:40 -55.7 Dark Down 54.1 169.9 Up 06:27:52 - 06:53:29 7800
Okanogan 06:40:29 -57.5 Dark Down 54.5 176.2 Up 06:27:40 - 06:53:17 7793
Brewster 06:40:29 -57.7 Dark Down 54.8 175.8 Up 06:27:41 - 06:53:18 7768
Manson/Chelan 06:40:31 -57.7 Dark Down 55.0 175.2 Up 06:27:42 - 06:53:19 7748
Wenatchee 06:40:31 -57.9 Dark Down 55.5 174.8 Up 06:27:43 - 06:53:20 7704
Ellensburg 06:40:31 -58.1 Dark Down 55.9 174.4 Up 06:27:43 - 06:53:20 7666
Yakima 06:40:32 -58.4 Dark Down 56.3 174.3 Up 06:27:43 - 06:53:20 7628
Toppenish/White Swan 06:40:31 -58.7 Dark Down 56.5 174.6 Up 06:27:43 - 06:53:20 7608
PNWRO 06:40:26 -59.6 Dark Down 56.9 177.1 Up 06:27:38 - 06:53:15 7578
Goldendale 06:40:33 -58.8 Dark Down 57.0 173.7 Up 06:27:44 - 06:53:21 7556
The Dalles 06:40:34 -58.8 Dark Down 57.2 173.0 Up 06:27:46 - 06:53:23 7534
Maupin 06:40:33 -59.2 Dark Down 57.6 173.1 Up 06:27:45 - 06:53:22 7495
Sisters 06:40:36 -59.5 Dark Down 58.5 172.1 Up 06:27:47 - 06:53:24 7411
Bend 06:40:35 -59.8 Dark Down 58.7 172.5 Up 06:27:46 - 06:53:23 7389
Oregon Observatory 06:40:35 -59.9 Dark Down 58.9 172.2 Up 06:27:47 - 06:53:24 7372
North Lake 06:40:34 -60.6 Dark Down 59.6 173.1 Up 06:27:45 - 06:53:22 7312
Chiloquin 06:40:37 -60.5 Dark Down 60.1 171.1 Up 06:27:48 - 06:53:25 7245
Klamath Falls 06:40:36 -60.8 Dark Down 60.5 171.2 Up 06:27:47 - 06:53:24 7212
Lakeview 06:40:32 -61.6 Dark Down 60.7 174.0 Up 06:27:43 - 06:53:20 7211
Cedarville 06:40:30 -62.1 Dark Down 61.3 174.2 Up 06:27:42 - 06:53:19 7148
Fall River/Burney 06:40:36 -61.7 Dark Down 61.7 171.6 Up 06:27:47 - 06:53:24 7097
Dunrhomin 06:39:36 -69.7 Dark Down 60.8 204.3 Up 06:26:47 - 06:52:24 7097
CU-SBO 06:39:36 -69.9 Dark Down 61.0 204.3 Up 06:26:48 - 06:52:25 7072
Susanville 06:40:33 -62.5 Dark Down 62.4 173.0 Up 06:27:44 - 06:53:21 7037
Greenville 06:40:34 -62.5 Dark Down 62.6 172.3 Up 06:27:45 - 06:53:22 7009
Gimple 06:40:34 -62.6 Dark Down 62.6 172.5 Up 06:27:45 - 06:53:22 7009
Quincy 06:40:33 -62.6 Dark Down 62.8 172.2 Up 06:27:45 - 06:53:22 6989
Portola 06:40:31 -63.0 Dark Down 63.0 173.2 Up 06:27:43 - 06:53:20 6978
Reno 06:40:29 -63.6 Dark Down 63.3 174.5 Up 06:27:41 - 06:53:18 6953
Carson City 06:40:29 -63.8 Dark Down 63.7 174.5 Up 06:27:41 - 06:53:18 6918
Yerington 06:40:27 -64.3 Dark Down 63.9 175.9 Up 06:27:38 - 06:53:15 6900
Gardnerville 06:40:29 -64.0 Dark Down 63.9 174.6 Up 06:27:41 - 06:53:18 6893
Hawthorne 06:40:25 -64.9 Dark Down 64.4 177.0 Up 06:27:37 - 06:53:14 6855
Tonopah 06:40:20 -66.1 Dark Down 64.9 180.1 Up 06:27:31 - 06:53:08 6813
Lee Vining 06:40:26 -64.9 Dark Down 64.9 175.8 Up 06:27:38 - 06:53:15 6797
Bishop 06:40:23 -65.8 Dark Down 65.6 177.4 Up 06:27:35 - 06:53:12 6739
Beatty 06:40:18 -67.1 Dark Down 66.1 181.2 Up 06:27:29 - 06:53:06 6698
Indian Springs 06:40:13 -67.9 Dark Down 66.3 183.8 Up 06:27:25 - 06:53:02 6669
Henderson 06:40:11 -68.7 Dark Down 66.8 185.6 Up 06:27:22 - 06:52:59 6617
Patrick 06:40:06 -69.8 Dark Down 67.3 188.5 Up 06:27:17 - 06:52:54 6559
Kingman/Dolan Springs 06:40:06 -69.8 Dark Down 67.6 188.1 Up 06:27:18 - 06:52:55 6535
Laughlin/Bullhead City 06:40:08 -69.5 Dark Down 67.7 186.8 Up 06:27:20 - 06:52:57 6530
Mohave Valley 06:40:08 -69.7 Dark Down 67.9 186.9 Up 06:27:20 - 06:52:57 6502
Lake Havasu City 06:40:07 -70.1 Dark Down 68.3 187.6 Up 06:27:19 - 06:52:56 6462
Parker 06:40:07 -70.3 Dark Down 68.7 187.8 Up 06:27:19 - 06:52:56 6426
Wildwood 06:40:24 -67.4 Dark Down 68.8 176.4 Up 06:27:36 - 06:53:13 6404
George/Scottsdale 06:39:57 -72.1 Dark Down 68.7 194.4 Up 06:27:09 - 06:52:46 6395
Idyllwild 06:40:17 -68.9 Dark Down 69.2 181.5 Up 06:27:28 - 06:53:05 6374
Calipatria 06:40:11 -70.1 Dark Down 69.8 184.8 Up 06:27:23 - 06:53:00 6315
Yuma 06:40:08 -70.9 Dark Down 70.1 187.4 Up 06:27:20 - 06:52:57 6274

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, (2024/01/16 06:40UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.65  87
Alhena         06:37:42.8 +16:23:56  1.9  3.69  98
PPM 122607     06:31:39.4 +11:47:32  6.3  1.18  96
PPM 122552     06:29:18.4 +12:32:51  8.2  0.80  96
PPM 122610     06:31:43.0 +12:52:33 10.0  0.13  96
613469         06:32:07.2 +12:57:47 16.7        96
Positions are for J2000

Event circumstances last updated at 2022/05/03 01:51:16 UT

Marc W. Buie, Southwest Research Institute

RECON