RECON: TNO occultation with 11LJ29

Event between 11LJ29 and star GA0660:12247395 with event index number of 2122228

Geocentric closest approach at 2024/04/13 10:11:23 UTC

J2000 position of star is 17:22:25.8 -23:23:38
Equinox of date position of star is 17:23:48.8 -23:24:51
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 174 degrees from the moon. Moon is 27% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 45.4 AU from the Sun and 44.9 AU from the Earth.
The TNO is moving 11.1 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 364 seconds.
The 1-sigma cross-track error in the shadow position is 1825 km.
The sky-plane scale is 32560.8 km/arcsec.

The TNO has an absolute magnitude Hv=5.4
Diameter=463.5 km assuming a 5% albedo -- 44.8 sec chord
Diameter=189.2 km assuming a 30% albedo -- 18.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 11LJ29, (2024/04/13 10:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.0 -26:29:02  0.9 12.39 164
35Eta Oph      17:11:46.4 -15:45:12  2.6  8.18 166
PPM 266836     17:26:35.4 -24:15:49  6.4  1.05 175
PPM 266759     17:23:35.0 -23:35:45  8.2  0.19 174
11LJ29         17:23:54.3 -23:24:56 16.8       174
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 2.5 sigma about the mid-time.
The median site spacing is 12.6 km RECON observability=0.5 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)
Sleaford 10:12:59 -16.5 AT Down 13.9 169.4 Really Low 09:57:59 - 10:27:59 11468
Kamloops 10:14:23 -23.5 Dark Down 12.6 156.3 Really Low 09:59:23 - 10:29:23 11249
Kelowna 10:14:22 -23.8 Dark Down 13.6 157.1 Really Low 09:59:22 - 10:29:22 11233
Peachland 10:14:24 -24.0 Dark Down 13.6 156.8 Really Low 09:59:24 - 10:29:24 11225
Summerland 10:14:22 -24.1 Dark Down 13.8 156.8 Really Low 09:59:22 - 10:29:22 11221
Penticton 10:14:22 -24.1 Dark Down 13.9 156.9 Really Low 09:59:22 - 10:29:22 11220
Oliver 10:14:23 -24.4 Dark Down 14.2 156.9 Really Low 09:59:23 - 10:29:23 11206
Anarchist Mountain Observatory 10:14:23 -24.4 Dark Down 14.4 157.1 Really Low 09:59:23 - 10:29:23 11203
Tonasket 10:14:23 -24.7 Dark Down 14.7 157.0 Really Low 09:59:23 - 10:29:23 11190
Okanogan 10:14:25 -25.0 Dark Down 15.0 156.8 Really Low 09:59:25 - 10:29:25 11174
Brewster 10:14:29 -25.3 Dark Down 15.2 156.6 Really Low 09:59:29 - 10:29:29 11160
Manson/Chelan 10:14:29 -25.6 Dark Down 15.3 156.2 Really Low 09:59:29 - 10:29:29 11146
Wenatchee 10:14:33 -26.1 Dark Down 15.6 156.1 Really Low 09:59:33 - 10:29:33 11124
Victoria 10:14:47 -26.4 Dark Down 13.8 153.4 Really Low 09:59:47 - 10:29:47 11118
Ellensburg 10:14:34 -26.5 Dark Down 16.0 155.8 Really Low 09:59:34 - 10:29:34 11103
PNWRO 10:14:28 -26.6 Dark Down 17.3 157.2 Really Low 09:59:28 - 10:29:28 11088
Yakima 10:14:36 -26.8 Dark Down 16.3 155.8 Really Low 09:59:36 - 10:29:36 11086
Toppenish/White Swan 10:14:35 -26.9 Dark Down 16.6 155.9 Really Low 09:59:35 - 10:29:35 11079
Goldendale 10:14:39 -27.6 Dark Down 17.0 155.4 Really Low 09:59:39 - 10:29:39 11048
The Dalles 10:14:42 -27.9 Dark Down 17.1 155.1 Really Low 09:59:42 - 10:29:42 11032
Maupin 10:14:44 -28.2 Dark Down 17.5 155.1 Really Low 09:59:44 - 10:29:44 11015
Dunrhomin 10:13:08 -23.5 Dark Down 25.6 169.4 Low 09:58:08 - 10:28:08 11002
CU-SBO 10:13:11 -23.7 Dark Down 25.9 169.3 Low 09:58:11 - 10:28:11 10989
Sisters 10:14:48 -29.1 Dark Down 18.1 154.6 Really Low 09:59:48 - 10:29:48 10966
Bend 10:14:47 -29.2 Dark Down 18.4 154.8 Really Low 09:59:47 - 10:29:47 10960
Oregon Observatory 10:14:48 -29.3 Dark Down 18.5 154.6 Really Low 09:59:48 - 10:29:48 10949
North Lake 10:14:47 -29.6 Dark Down 19.3 155.0 Really Low 09:59:47 - 10:29:47 10928
Lakeview 10:14:47 -30.2 Dark Down 20.4 155.4 Low 09:59:47 - 10:29:47 10885
Chiloquin 10:14:55 -30.6 Dark Down 19.6 154.1 Really Low 09:59:55 - 10:29:55 10877
Klamath Falls 10:14:56 -30.8 Dark Down 19.9 154.1 Really Low 09:59:56 - 10:29:56 10862
Cedarville 10:14:46 -30.6 Dark Down 21.1 155.4 Low 09:59:46 - 10:29:46 10855
Fall River/Burney 10:14:55 -31.6 Dark Down 21.1 154.3 Low 09:59:55 - 10:29:55 10808
Susanville 10:14:53 -31.7 Dark Down 21.9 154.8 Low 09:59:53 - 10:29:53 10788
Gimple 10:14:55 -32.0 Dark Down 22.1 154.6 Low 09:59:55 - 10:29:55 10769
Greenville 10:14:57 -32.1 Dark Down 22.1 154.5 Low 09:59:57 - 10:29:57 10768
Portola 10:14:53 -32.1 Dark Down 22.5 154.9 Low 09:59:53 - 10:29:53 10759
Quincy 10:14:57 -32.2 Dark Down 22.3 154.5 Low 09:59:57 - 10:29:57 10757
Reno 10:14:49 -32.0 Dark Down 23.0 155.5 Low 09:59:49 - 10:29:49 10757
Yerington 10:14:48 -32.1 Dark Down 23.7 156.0 Low 09:59:48 - 10:29:48 10738
Carson City 10:14:50 -32.2 Dark Down 23.3 155.4 Low 09:59:50 - 10:29:50 10737
Gardnerville 10:14:50 -32.4 Dark Down 23.6 155.4 Low 09:59:50 - 10:29:50 10725
Hawthorne 10:14:44 -32.1 Dark Down 24.3 156.4 Low 09:59:44 - 10:29:44 10722
Tonopah 10:14:36 -31.8 Dark Down 25.1 157.6 Low 09:59:36 - 10:29:36 10721
Lee Vining 10:14:48 -32.8 Dark Down 24.7 155.8 Low 09:59:48 - 10:29:48 10682
Beatty 10:14:36 -32.3 Dark Down 26.4 157.8 Low 09:59:36 - 10:29:36 10661
Indian Springs 10:14:27 -32.0 Dark Down 27.0 158.8 Low 09:59:27 - 10:29:27 10661
Bishop 10:14:45 -32.9 Dark Down 25.4 156.4 Low 09:59:45 - 10:29:45 10660
Henderson 10:14:23 -32.0 Dark Down 27.7 159.3 Low 09:59:23 - 10:29:23 10640
Patrick 10:14:16 -31.7 Dark Down 28.6 160.3 Low 09:59:16 - 10:29:16 10621
Kingman/Dolan Springs 10:14:19 -32.0 Dark Down 28.7 160.1 Low 09:59:19 - 10:29:19 10605
Laughlin/Bullhead City 10:14:22 -32.3 Dark Down 28.6 159.6 Low 09:59:22 - 10:29:22 10595
Mohave Valley 10:14:22 -32.5 Dark Down 28.8 159.5 Low 09:59:22 - 10:29:22 10578
Lake Havasu City 10:14:22 -32.6 Dark Down 29.3 159.7 Low 09:59:22 - 10:29:22 10558
George/Scottsdale 10:14:03 -31.6 Dark Down 30.7 162.0 Up 09:59:03 - 10:29:03 10549
Parker 10:14:20 -32.8 Dark Down 29.6 159.7 Low 09:59:20 - 10:29:20 10537
Idyllwild 10:14:40 -34.5 Dark Down 29.3 157.3 Low 09:59:40 - 10:29:40 10471
Wildwood 10:14:53 -35.4 Dark Down 28.4 155.5 Low 09:59:53 - 10:29:53 10459
Calipatria 10:14:31 -34.3 Dark Down 30.2 158.3 Up 09:59:31 - 10:29:31 10452
Yuma 10:14:27 -34.0 Dark Down 30.9 159.1 Up 09:59:27 - 10:29:27 10440

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 11LJ29, (2024/04/13 10:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 12.39 164
35Eta Oph      17:10:22.7 -15:43:29  2.6  8.18 166
PPM 266836     17:25:06.3 -24:14:37  6.4  1.05 175
PPM 266759     17:22:06.4 -23:34:26  8.2  0.19 174
11LJ29         17:22:25.8 -23:23:38 16.8       174
Positions are for J2000

Event circumstances last updated at 2022/10/11 04:26:06 UT

Marc W. Buie, Southwest Research Institute

RECON