RECON: TNO occultation with 469506

Event between (469506) 03FF128 and star GA0660:27950330 with event index number of 2724488

Geocentric closest approach at 2029/03/12 11:58:26 UTC

J2000 position of star is 18:06:35.1 -23:21:49
Equinox of date position of star is 18:08:03.4 -23:21:33
Stellar brightness G=14.0, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 51 degrees from the moon. Moon is 7% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 31.1 AU from the Sun and 31.2 AU from the Earth.
Apparent velocity is 11.4 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 825 seconds.
The 1-sigma cross-track error in the shadow position is 2397 km.
The sky-plane scale is 22640.5 km/arcsec.

The object has an absolute magnitude Hv=6.9
Diameter=254.7 km assuming a 5% albedo -- 22.2 sec chord
Diameter=104.0 km assuming a 30% albedo -- 9.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 469506, (2029/03/12 11:59UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.1 -26:29:39  0.9 22.22  73
Nunki          18:57:04.4 -26:15:27  2.0 11.42  41
PPM 267709     18:03:40.6 -22:46:43  5.8  1.22  52
PPM 267905     18:09:31.8 -23:05:57  8.2  0.37  51
PPM 267838     18:07:33.5 -23:30:52  9.4  0.24  51
469506         18:08:21.7 -23:21:30 14.0        51
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 1.1 sigma about the mid-time.
The median site spacing is 13.3 km RECON observability=0.2 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 11:55:36 -14.3 AT Down 10.6 153.8 Really Low 11:40:36 - 12:10:36 10507
Kamloops 11:54:17 -23.4 Dark Down 6.8 140.9 Really Low 11:39:17 - 12:09:17 10217
Kelowna 11:54:17 -23.3 Dark Down 7.8 141.6 Really Low 11:39:17 - 12:09:17 10201
Peachland 11:54:13 -23.5 Dark Down 7.8 141.3 Really Low 11:39:13 - 12:09:13 10191
Summerland 11:54:15 -23.5 Dark Down 7.9 141.4 Really Low 11:39:15 - 12:09:15 10186
Penticton 11:54:14 -23.5 Dark Down 8.0 141.5 Really Low 11:39:14 - 12:09:14 10186
Oliver 11:54:13 -23.6 Dark Down 8.3 141.4 Really Low 11:39:13 - 12:09:13 10171
Anarchist Mountain Observatory 11:54:12 -23.6 Dark Down 8.5 141.6 Really Low 11:39:12 - 12:09:12 10168
Okanogan 11:54:09 -24.0 Dark Down 8.9 141.3 Really Low 11:39:09 - 12:09:09 10135
Brewster 11:54:06 -24.2 Dark Down 9.0 141.1 Really Low 11:39:06 - 12:09:06 10118
Manson/Chelan 11:54:03 -24.5 Dark Down 9.0 140.8 Really Low 11:39:03 - 12:09:03 10102
Wenatchee 11:54:00 -24.8 Dark Down 9.3 140.6 Really Low 11:39:00 - 12:09:00 10076
Victoria 11:53:51 -26.2 Dark Down 7.1 138.1 Really Low 11:38:51 - 12:08:51 10061
Ellensburg 11:53:55 -25.2 Dark Down 9.5 140.3 Really Low 11:38:55 - 12:08:55 10053
PNWRO 11:54:01 -24.5 Dark Down 11.0 141.6 Really Low 11:39:01 - 12:09:01 10041
Yakima 11:53:55 -25.3 Dark Down 9.8 140.3 Really Low 11:38:55 - 12:08:55 10033
Toppenish/White Swan 11:53:55 -25.3 Dark Down 10.1 140.4 Really Low 11:38:55 - 12:08:55 10026
Dunrhomin 11:55:00 -16.3 AT Up 21.4 152.8 Low 11:40:00 - 12:10:00 10012
Nikitin 11:55:00 -16.4 AT Up 21.5 152.7 Low 11:40:00 - 12:10:00 10002
CU-SBO 11:54:59 -16.4 AT Up 21.6 152.6 Low 11:39:59 - 12:09:59 9998
The Dalles 11:53:46 -26.2 Dark Down 10.3 139.6 Really Low 11:38:46 - 12:08:46 9971
Maupin 11:53:43 -26.3 Dark Down 10.7 139.6 Really Low 11:38:43 - 12:08:43 9953
Sisters 11:53:36 -27.0 Dark Down 11.1 139.1 Really Low 11:38:36 - 12:08:36 9898
Bend 11:53:38 -26.9 Dark Down 11.4 139.3 Really Low 11:38:38 - 12:08:38 9891
Oregon Observatory 11:53:36 -27.1 Dark Down 11.5 139.2 Really Low 11:38:36 - 12:08:36 9879
Chiloquin 11:53:28 -27.9 Dark Down 12.2 138.6 Really Low 11:38:28 - 12:08:28 9799
Klamath Falls 11:53:26 -28.0 Dark Down 12.5 138.6 Really Low 11:38:26 - 12:08:26 9783
Cedarville 11:53:31 -27.1 Dark Down 13.9 139.8 Really Low 11:38:31 - 12:08:31 9782
Fall River/Burney 11:53:23 -28.2 Dark Down 13.6 138.7 Really Low 11:38:23 - 12:08:23 9725
Gimple 11:53:21 -28.2 Dark Down 14.6 139.0 Really Low 11:38:21 - 12:08:21 9686
Greenville 11:53:22 -28.2 Dark Down 14.5 138.9 Really Low 11:38:22 - 12:08:22 9684
Portola 11:53:22 -28.0 Dark Down 15.0 139.3 Really Low 11:38:22 - 12:08:22 9677
Reno 11:53:24 -27.6 Dark Down 15.5 139.7 Really Low 11:38:24 - 12:08:24 9677
Quincy 11:53:20 -28.3 Dark Down 14.7 138.9 Really Low 11:38:20 - 12:08:20 9673
Yerington 11:53:26 -27.3 Dark Down 16.3 140.2 Really Low 11:38:26 - 12:08:26 9660
Carson City 11:53:22 -27.7 Dark Down 15.8 139.7 Really Low 11:38:22 - 12:08:22 9656
Hawthorne 11:53:27 -27.1 Dark Down 16.9 140.5 Really Low 11:38:27 - 12:08:27 9645
Gardnerville 11:53:23 -27.8 Dark Down 16.0 139.7 Really Low 11:38:23 - 12:08:23 9643
Lee Vining 11:53:22 -27.7 Dark Down 17.1 140.0 Really Low 11:38:22 - 12:08:22 9600
Beatty 11:53:33 -26.2 Dark Down 19.1 141.7 Really Low 11:38:33 - 12:08:33 9590
Bishop 11:53:24 -27.3 Dark Down 17.9 140.5 Really Low 11:38:24 - 12:08:24 9580
Patrick 11:53:46 -24.3 Dark Down 21.7 143.8 Low 11:38:46 - 12:08:46 9563
Laughlin/Bullhead City 11:53:39 -24.9 Dark Down 21.6 143.2 Low 11:38:39 - 12:08:39 9531
George/Scottsdale 11:53:52 -23.0 Dark Down 24.1 145.2 Low 11:38:52 - 12:08:52 9499
Lake Havasu City 11:53:38 -24.9 Dark Down 22.2 143.2 Low 11:38:38 - 12:08:38 9494
Idyllwild 11:53:21 -27.1 Dark Down 21.6 141.0 Low 11:38:21 - 12:08:21 9389
Calipatria 11:53:26 -26.3 Dark Down 22.7 141.8 Low 11:38:26 - 12:08:26 9376
Yuma 11:53:31 -25.6 Dark Down 23.5 142.5 Low 11:38:31 - 12:08:31 9368
Wildwood 11:53:11 -28.5 Dark Down 20.3 139.5 Low 11:38:11 - 12:08:11 9365

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 469506, (2029/03/12 11:59UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.22  73
Nunki          18:55:15.9 -26:17:49  2.0 11.42  41
PPM 267709     18:01:54.4 -22:46:50  5.8  1.22  52
PPM 267905     18:07:45.4 -23:06:19  8.2  0.37  51
PPM 267838     18:05:46.8 -23:31:09  9.4  0.24  51
469506         18:06:35.1 -23:21:49 14.0        51
Positions are for J2000

Event circumstances last updated at 2024/03/08 03:05:35 UT

Marc W. Buie, Southwest Research Institute

RECON