RECON: TNO occultation with 613100

Event between (613100) 05TN74 and star GA1040:00321871 with event index number of 2820583

Geocentric closest approach at 2024/10/29 07:04:45 UTC

J2000 position of star is 03:07:05.2 +15:46:18
Equinox of date position of star is 03:08:20.1 +15:51:24
Stellar brightness G=13.6, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 133 degrees from the moon. Moon is 9% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 32.1 AU from the Sun and 31.2 AU from the Earth.
The TNO is moving 23.5 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 205 seconds.
The 1-sigma cross-track error in the shadow position is 1907 km.
The sky-plane scale is 22599.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=187.1 km assuming a 5% albedo -- 8.0 sec chord
Diameter=76.4 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 5:3EE
 
 
 
 
 
 

Star training set for 613100, (2024/10/29 07:05UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:20.9 +16:33:26  0.8 21.34 111
Menkar         03:03:34.8 +04:11:09  2.5 11.74 136
PPM 118814     03:07:45.7 +13:16:54  5.6  2.59 133
PPM 118791     03:06:03.8 +15:57:03  7.9  0.59 133
PPM 118825     03:08:40.8 +16:10:19 10.0  0.31 132
PPM 118829     03:08:58.7 +15:35:49 10.4  0.30 132
613100         03:08:28.5 +15:51:58 13.6       132
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 26.3 km RECON observability=1.0 and success probability=24.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:05:05 -52.1 Dark Down 50.6 144.1 Up 06:50:05 - 07:20:05 15
Victoria 07:05:18 -53.5 Dark Down 51.1 138.3 Up 06:50:18 - 07:20:18 -70
Kelowna 07:05:04 -53.0 Dark Down 51.6 144.8 Up 06:50:04 - 07:20:04 -71
Peachland 07:05:05 -53.1 Dark Down 51.6 144.3 Up 06:50:05 - 07:20:05 -72
Summerland 07:05:05 -53.2 Dark Down 51.7 144.3 Up 06:50:05 - 07:20:05 -86
Penticton 07:05:05 -53.3 Dark Down 51.8 144.4 Up 06:50:05 - 07:20:05 -94
Oliver 07:05:06 -53.7 Dark Down 52.1 144.2 Up 06:50:06 - 07:20:06 -121
Anarchist Mountain Observatory 07:05:06 -53.9 Dark Down 52.3 144.3 Up 06:50:06 - 07:20:06 -140
Tonasket 07:05:07 -54.1 Dark Down 52.5 144.0 Up 06:50:07 - 07:20:07 -163
Okanogan 07:05:08 -54.4 Dark Down 52.8 143.5 Up 06:50:08 - 07:20:08 -185
Brewster 07:05:09 -54.7 Dark Down 52.9 143.0 Up 06:50:09 - 07:20:09 -202
Manson/Chelan 07:05:11 -54.8 Dark Down 52.9 142.3 Up 06:50:11 - 07:20:11 -208
Sleaford 07:04:24 -51.4 Dark Down 53.1 166.3 Up 06:49:24 - 07:19:24 -215
Wenatchee 07:05:12 -55.2 Dark Down 53.2 141.7 Up 06:50:12 - 07:20:12 -242
Ellensburg 07:05:14 -55.6 Dark Down 53.5 141.0 Up 06:50:14 - 07:20:14 -269
Yakima 07:05:15 -56.0 Dark Down 53.8 140.7 Up 06:50:15 - 07:20:15 -301
Toppenish/White Swan 07:05:15 -56.2 Dark Down 54.0 140.7 Up 06:50:15 - 07:20:15 -324
Goldendale 07:05:18 -56.6 Dark Down 54.2 139.6 Up 06:50:18 - 07:20:18 -357
The Dalles 07:05:19 -56.8 Dark Down 54.3 138.9 Up 06:50:19 - 07:20:19 -365
PNWRO 07:05:12 -56.8 Dark Down 54.9 142.6 Up 06:50:12 - 07:20:12 -395
Maupin 07:05:20 -57.2 Dark Down 54.6 138.7 Up 06:50:20 - 07:20:20 -402
Sisters 07:05:23 -57.9 Dark Down 55.0 137.1 Up 06:50:23 - 07:20:23 -461
Bend 07:05:23 -58.2 Dark Down 55.3 137.3 Up 06:50:23 - 07:20:23 -488
Oregon Observatory 07:05:24 -58.3 Dark Down 55.4 136.9 Up 06:50:24 - 07:20:24 -499
North Lake 07:05:24 -59.1 Dark Down 56.1 137.1 Up 06:50:24 - 07:20:24 -568
Chiloquin 07:05:28 -59.4 Dark Down 56.2 135.0 Up 06:50:28 - 07:20:28 -597
Klamath Falls 07:05:29 -59.8 Dark Down 56.4 134.8 Up 06:50:29 - 07:20:29 -629
Lakeview 07:05:25 -60.2 Dark Down 57.2 136.8 Up 06:50:25 - 07:20:25 -675
Cedarville 07:05:26 -60.9 Dark Down 57.8 136.4 Up 06:50:26 - 07:20:26 -737
Fall River/Burney 07:05:31 -61.0 Dark Down 57.5 134.0 Up 06:50:31 - 07:20:31 -742
Susanville 07:05:30 -61.8 Dark Down 58.3 134.4 Up 06:50:30 - 07:20:30 -819
Greenville 07:05:31 -61.9 Dark Down 58.3 133.7 Up 06:50:31 - 07:20:31 -835
Gimple 07:05:31 -62.0 Dark Down 58.4 133.8 Up 06:50:31 - 07:20:31 -837
Quincy 07:05:32 -62.1 Dark Down 58.5 133.4 Up 06:50:32 - 07:20:32 -853
Portola 07:05:31 -62.4 Dark Down 58.8 134.0 Up 06:50:31 - 07:20:31 -878
Reno 07:05:29 -62.8 Dark Down 59.4 134.7 Up 06:50:29 - 07:20:29 -922
Carson City 07:05:30 -63.2 Dark Down 59.6 134.3 Up 06:50:30 - 07:20:30 -954
Gardnerville 07:05:30 -63.4 Dark Down 59.8 134.0 Up 06:50:30 - 07:20:30 -978
Yerington 07:05:28 -63.5 Dark Down 60.1 135.0 Up 06:50:28 - 07:20:28 -991
Hawthorne 07:05:28 -64.1 Dark Down 60.8 135.3 Up 06:50:28 - 07:20:28 -1050
Lee Vining 07:05:31 -64.5 Dark Down 60.9 133.8 Up 06:50:31 - 07:20:31 -1085
Tonopah 07:05:24 -64.8 Dark Down 61.9 137.0 Up 06:50:24 - 07:20:24 -1136
Bishop 07:05:29 -65.2 Dark Down 61.7 134.2 Up 06:50:29 - 07:20:29 -1162
Beatty 07:05:25 -66.1 Dark Down 62.9 136.3 Up 06:50:25 - 07:20:25 -1256
Dunrhomin 07:04:40 -63.0 Dark Down 64.6 162.6 Up 06:49:40 - 07:19:40 -1280
CU-SBO 07:04:41 -63.3 Dark Down 64.8 162.2 Up 06:49:41 - 07:19:41 -1301
Indian Springs 07:05:22 -66.6 Dark Down 63.8 137.7 Up 06:50:22 - 07:20:22 -1320
Henderson 07:05:21 -67.2 Dark Down 64.5 138.3 Up 06:50:21 - 07:20:21 -1392
Wildwood 07:05:37 -68.3 Dark Down 63.8 129.2 Up 06:50:37 - 07:20:37 -1459
Patrick 07:05:19 -68.0 Dark Down 65.6 139.5 Up 06:50:19 - 07:20:19 -1486
Laughlin/Bullhead City 07:05:21 -68.1 Dark Down 65.4 137.8 Up 06:50:21 - 07:20:21 -1487
Kingman/Dolan Springs 07:05:19 -68.2 Dark Down 65.7 138.8 Up 06:50:19 - 07:20:19 -1501
Mohave Valley 07:05:22 -68.4 Dark Down 65.6 137.4 Up 06:50:22 - 07:20:22 -1513
Idyllwild 07:05:32 -69.1 Dark Down 65.2 131.7 Up 06:50:32 - 07:20:32 -1554
Lake Havasu City 07:05:22 -68.8 Dark Down 66.0 137.3 Up 06:50:22 - 07:20:22 -1559
Parker 07:05:22 -69.2 Dark Down 66.3 136.8 Up 06:50:22 - 07:20:22 -1593
Calipatria 07:05:29 -70.0 Dark Down 66.3 132.8 Up 06:50:29 - 07:20:29 -1651
George/Scottsdale 07:05:15 -69.9 Dark Down 68.0 141.0 Up 06:50:15 - 07:20:15 -1711
Yuma 07:05:26 -70.6 Dark Down 67.2 133.8 Up 06:50:26 - 07:20:26 -1721

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 613100, (2024/10/29 07:05UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 21.34 111
Menkar         03:02:16.8 +04:05:21  2.5 11.74 136
PPM 118814     03:06:23.7 +13:11:13  5.6  2.59 133
PPM 118791     03:04:40.6 +15:51:19  7.9  0.59 133
PPM 118825     03:07:17.5 +16:04:39 10.0  0.31 132
PPM 118829     03:07:35.6 +15:30:10 10.4  0.30 132
613100         03:07:05.2 +15:46:18 13.6       133
Positions are for J2000

Event circumstances last updated at 2022/05/03 23:49:04 UT

Marc W. Buie, Southwest Research Institute

RECON