RECON: TNO occultation with 13VF24

Event between 13VF24 and star GA1060:01934152 with event index number of 2467254

Geocentric closest approach at 2024/11/10 06:06:57 UTC

J2000 position of star is 06:26:03.9 +16:28:02
Equinox of date position of star is 06:27:26.9 +16:27:06
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon. Moon is 61% illuminated.
Apparent brightness V=22.7

[RECON map]
Object is 27.8 AU from the Sun and 27.2 AU from the Earth.
Apparent velocity is 14.3 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 273 seconds.
The 1-sigma cross-track error in the shadow position is 1591 km.
The sky-plane scale is 19710.1 km/arcsec.

The object has an absolute magnitude Hv=8.1
Diameter=140.6 km assuming a 5% albedo -- 9.9 sec chord
Diameter=57.4 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 13VF24, (2024/11/10 06:07UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.1 +07:24:35  0.4 11.79 115
Alhena         06:39:08.9 +16:22:33  1.9  2.79 127
PPM 122497     06:28:41.0 +14:52:20  6.2  1.60 124
PPM 122426     06:26:18.7 +16:02:30  7.5  0.50 124
PPM 122464     06:27:21.4 +16:17:28  9.4  0.16 124
13VF24         06:27:30.1 +16:27:04 15.6       125
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 3.3 sigma about the mid-time.
The median site spacing is 25.3 km RECON observability=1.0 and success probability=36.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 06:11:32 -51.7 Dark Up 22.7 91.5 Low 05:56:32 - 06:26:32 1019
Kelowna 06:11:36 -52.7 Dark Up 23.3 91.8 Low 05:56:36 - 06:26:36 940
Peachland 06:11:37 -52.7 Dark Up 23.1 91.6 Low 05:56:37 - 06:26:37 938
Summerland 06:11:37 -52.8 Dark Up 23.2 91.6 Low 05:56:37 - 06:26:37 924
Penticton 06:11:38 -52.9 Dark Up 23.3 91.6 Low 05:56:38 - 06:26:38 917
Victoria 06:11:48 -52.1 Dark Up 20.8 88.3 Low 05:56:48 - 06:26:48 915
Oliver 06:11:40 -53.2 Dark Up 23.3 91.5 Low 05:56:40 - 06:26:40 890
Anarchist Mountain Observatory 06:11:40 -53.4 Dark Up 23.4 91.6 Low 05:56:40 - 06:26:40 873
Sleaford 06:10:58 -54.5 Dark Up 31.3 104.0 Up 05:55:58 - 06:25:58 871
Okanogan 06:11:44 -53.9 Dark Up 23.3 91.1 Low 05:56:44 - 06:26:44 827
Brewster 06:11:46 -54.0 Dark Up 23.2 90.9 Low 05:56:46 - 06:26:46 809
Manson/Chelan 06:11:48 -54.0 Dark Up 22.9 90.5 Low 05:56:48 - 06:26:48 800
Wenatchee 06:11:50 -54.3 Dark Up 22.8 90.2 Low 05:56:50 - 06:26:50 766
Ellensburg 06:11:53 -54.5 Dark Up 22.7 89.9 Low 05:56:53 - 06:26:53 738
Yakima 06:11:55 -54.8 Dark Up 22.7 89.7 Low 05:56:55 - 06:26:55 705
Toppenish/White Swan 06:11:56 -55.1 Dark Up 22.8 89.7 Low 05:56:56 - 06:26:56 684
The Dalles 06:12:01 -55.3 Dark Up 22.2 88.8 Low 05:57:01 - 06:27:01 638
PNWRO 06:11:56 -56.0 Dark Up 23.8 90.6 Low 05:56:56 - 06:26:56 623
Maupin 06:12:03 -55.6 Dark Up 22.3 88.8 Low 05:57:03 - 06:27:03 601
Sisters 06:12:08 -56.0 Dark Up 21.9 88.1 Low 05:57:08 - 06:27:08 540
Bend 06:12:09 -56.3 Dark Up 22.1 88.2 Low 05:57:09 - 06:27:09 514
Oregon Observatory 06:12:11 -56.4 Dark Up 22.0 88.0 Low 05:57:11 - 06:27:11 503
Chiloquin 06:12:18 -57.1 Dark Up 21.7 87.2 Low 05:57:18 - 06:27:18 401
Klamath Falls 06:12:19 -57.4 Dark Up 21.7 87.1 Low 05:57:19 - 06:27:19 370
Cedarville 06:12:20 -58.7 Dark Up 22.9 87.9 Low 05:57:20 - 06:27:20 275
Fall River/Burney 06:12:24 -58.4 Dark Up 22.0 86.9 Low 05:57:24 - 06:27:24 260
Greenville 06:12:28 -59.2 Dark Up 22.3 86.8 Low 05:57:28 - 06:27:28 171
Gimple 06:12:28 -59.3 Dark Up 22.4 86.9 Low 05:57:28 - 06:27:28 169
Quincy 06:12:29 -59.4 Dark Up 22.3 86.8 Low 05:57:29 - 06:27:29 153
Portola 06:12:29 -59.7 Dark Up 22.6 87.0 Low 05:57:29 - 06:27:29 131
Reno 06:12:29 -60.3 Dark Up 23.1 87.3 Low 05:57:29 - 06:27:29 93
Carson City 06:12:31 -60.5 Dark Up 23.1 87.2 Low 05:57:31 - 06:27:31 60
Gardnerville 06:12:32 -60.7 Dark Up 23.2 87.1 Low 05:57:32 - 06:27:32 37
Yerington 06:12:30 -61.0 Dark Up 23.6 87.5 Low 05:57:30 - 06:27:30 28
Hawthorne 06:12:31 -61.7 Dark Up 24.0 87.6 Low 05:57:31 - 06:27:31 -26
Lee Vining 06:12:35 -61.8 Dark Up 23.6 87.1 Low 05:57:35 - 06:27:35 -65
Bishop 06:12:36 -62.6 Dark Up 24.2 87.2 Low 05:57:36 - 06:27:36 -137
Dunrhomin 06:11:51 -66.0 Dark Up 34.2 97.3 Up 05:56:51 - 06:26:51 -160
Nikitin 06:11:52 -66.1 Dark Up 34.2 97.1 Up 05:56:52 - 06:26:52 -177
CU-SBO 06:11:52 -66.2 Dark Up 34.2 97.0 Up 05:56:52 - 06:26:52 -181
Beatty 06:12:35 -63.9 Dark Up 25.4 88.0 Low 05:57:35 - 06:27:35 -218
Patrick 06:12:35 -66.6 Dark Up 27.7 88.9 Low 05:57:35 - 06:27:35 -425
Laughlin/Bullhead City 06:12:37 -66.3 Dark Up 27.2 88.4 Low 05:57:37 - 06:27:37 -431
Wildwood 06:12:50 -64.5 Dark Up 23.8 85.7 Low 05:57:50 - 06:27:50 -436
Lake Havasu City 06:12:39 -67.0 Dark Up 27.4 88.2 Low 05:57:39 - 06:27:39 -501
Idyllwild 06:12:48 -66.0 Dark Up 25.4 86.5 Low 05:57:48 - 06:27:48 -516
Calipatria 06:12:47 -67.2 Dark Up 26.3 86.9 Low 05:57:47 - 06:27:47 -603
George/Scottsdale 06:12:36 -68.9 Dark Up 29.4 89.1 Low 05:57:36 - 06:27:36 -634
Yuma 06:12:47 -68.0 Dark Up 27.1 87.1 Low 05:57:47 - 06:27:47 -667

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 13VF24, (2024/11/10 06:07UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.79 115
Alhena         06:37:42.8 +16:23:57  1.9  2.79 127
PPM 122497     06:27:15.8 +14:53:21  6.2  1.60 124
PPM 122426     06:24:52.8 +16:03:26  7.5  0.50 124
PPM 122464     06:25:55.3 +16:18:25  9.4  0.16 124
13VF24         06:26:03.9 +16:28:02 15.6       124
Positions are for J2000

Event circumstances last updated at 2023/12/16 05:10:47 UT

Marc W. Buie, Southwest Research Institute

RECON