RECON: TNO occultation with 613469

Event between (613469) 06QJ181 and star GA0980:02975599 with event index number of 2810380

Geocentric closest approach at 2029/02/05 01:55:08 UTC

J2000 position of star is 07:18:13.1 +08:14:41
Equinox of date position of star is 07:19:26.1 +08:12:10
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 104 degrees from the moon. Moon is 59% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 31.6 AU from the Sun and 30.8 AU from the Earth.
The TNO is moving 21.0 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 302 seconds.
The 1-sigma cross-track error in the shadow position is 2938 km.
The sky-plane scale is 22328.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 11.0 sec chord
Diameter=94.4 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 613469, (2029/02/05 01:55UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:44.9 +07:24:36  0.4 20.58 124
Alhena         06:39:23.5 +16:22:19  1.9 12.81 116
PPM 152401     07:21:21.8 +07:05:12  6.4  1.17 103
PPM 152364     07:20:21.1 +08:25:54  8.0  0.28 104
613469         07:19:47.8 +08:11:24 16.6       104
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 3.0 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.1 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 01:58:15 -18.7 Dark Down 30.1 118.2 Up 01:43:15 - 02:13:15 7415
Kamloops 01:58:45 -9.6 NT Down 22.3 104.8 Low 01:43:45 - 02:13:45 7298
Kelowna 01:58:46 -10.0 NT Down 23.0 105.2 Low 01:43:46 - 02:13:46 7223
Peachland 01:58:48 -9.8 NT Down 22.9 104.9 Low 01:43:48 - 02:13:48 7213
Summerland 01:58:47 -9.8 NT Down 23.0 104.9 Low 01:43:47 - 02:13:47 7200
Penticton 01:58:46 -9.9 NT Down 23.1 105.0 Low 01:43:46 - 02:13:46 7193
Oliver 01:58:47 -9.8 NT Down 23.1 104.9 Low 01:43:47 - 02:13:47 7161
Anarchist Mountain Observatory 01:58:47 -9.9 NT Down 23.3 104.9 Low 01:43:47 - 02:13:47 7145
Tonasket 01:58:50 -9.8 NT Down 23.4 104.8 Low 01:43:50 - 02:13:50 7117
Victoria 01:58:55 -7.2 NT Down 20.8 101.5 Low 01:43:55 - 02:13:55 7113
Okanogan 01:58:49 -9.6 NT Down 23.3 104.5 Low 01:43:49 - 02:13:49 7086
Brewster 01:58:51 -9.4 NT Down 23.3 104.2 Low 01:43:51 - 02:13:51 7062
Manson/Chelan 01:58:52 -9.1 NT Down 23.1 103.8 Low 01:43:52 - 02:13:52 7044
Wenatchee 01:58:53 -8.9 NT Down 23.1 103.5 Low 01:43:53 - 02:13:53 7000
Ellensburg 01:58:55 -8.7 NT Down 23.1 103.2 Low 01:43:55 - 02:13:55 6962
Yakima 01:58:56 -8.6 NT Down 23.1 103.0 Low 01:43:56 - 02:13:56 6924
Toppenish/White Swan 01:58:57 -8.6 NT Down 23.3 103.0 Low 01:43:57 - 02:13:57 6903
PNWRO 01:58:55 -9.5 NT Down 24.4 104.1 Low 01:43:55 - 02:13:55 6864
Goldendale 01:58:58 -8.2 NT Down 23.1 102.5 Low 01:43:58 - 02:13:58 6853
The Dalles 01:58:59 -7.9 NT Down 22.9 102.1 Low 01:43:59 - 02:13:59 6832
Maupin 01:59:01 -7.9 NT Down 23.1 102.0 Low 01:44:01 - 02:14:01 6792
Sisters 01:59:04 -7.3 NT Down 22.9 101.3 Low 01:44:04 - 02:14:04 6710
Bend 01:59:03 -7.4 NT Down 23.2 101.4 Low 01:44:03 - 02:14:03 6686
Oregon Observatory 01:59:04 -7.3 NT Down 23.1 101.2 Low 01:44:04 - 02:14:04 6670
North Lake 01:59:04 -7.5 NT Down 23.6 101.3 Low 01:44:04 - 02:14:04 6606
Chiloquin 01:59:08 -6.7 NT Down 23.1 100.4 Low 01:44:08 - 02:14:08 6543
Klamath Falls 01:59:09 -6.6 NT Down 23.2 100.3 Low 01:44:09 - 02:14:09 6510
Lakeview 01:59:06 -7.7 NT Down 24.2 101.3 Low 01:44:06 - 02:14:06 6501
Cedarville 01:59:07 -7.6 NT Down 24.5 101.1 Low 01:44:07 - 02:14:07 6436
Fall River/Burney 01:59:10 -6.6 NT Down 23.7 100.1 Low 01:44:10 - 02:14:10 6392
Susanville 01:59:11 -7.0 NT Down 24.4 100.3 Low 01:44:11 - 02:14:11 6327
Dunrhomin 01:58:37 -18.5 Dark Down 35.6 112.1 Up 01:43:37 - 02:13:37 6302
Greenville 01:59:12 -6.7 NT Down 24.2 100.0 Low 01:44:12 - 02:14:12 6300
Gimple 01:59:11 -6.8 NT Down 24.3 100.0 Low 01:44:11 - 02:14:11 6300
Quincy 01:59:12 -6.7 NT Down 24.2 99.9 Low 01:44:12 - 02:14:12 6280
CU-SBO 01:58:37 -18.4 Dark Down 35.7 111.8 Up 01:43:37 - 02:13:37 6277
Portola 01:59:12 -7.0 NT Down 24.6 100.2 Low 01:44:12 - 02:14:12 6266
Reno 01:59:11 -7.4 NT Down 25.2 100.5 Low 01:44:11 - 02:14:11 6237
Carson City 01:59:12 -7.3 NT Down 25.2 100.4 Low 01:44:12 - 02:14:12 6201
Yerington 01:59:11 -7.8 NT Down 25.8 100.7 Low 01:44:11 - 02:14:11 6179
Gardnerville 01:59:12 -7.3 NT Down 25.3 100.3 Low 01:44:12 - 02:14:12 6176
Hawthorne 01:59:11 -8.0 NT Down 26.2 100.9 Low 01:44:11 - 02:14:11 6131
Tonopah 01:59:09 -9.0 NT Down 27.4 101.6 Low 01:44:09 - 02:14:09 6080
Lee Vining 01:59:13 -7.5 NT Down 26.0 100.2 Low 01:44:13 - 02:14:13 6075
Bishop 01:59:13 -7.9 NT Down 26.7 100.4 Low 01:44:13 - 02:14:13 6012
Beatty 01:59:10 -9.1 NT Down 28.0 101.3 Low 01:44:10 - 02:14:10 5961
Indian Springs 01:59:09 -9.9 NT Down 28.9 101.9 Low 01:44:09 - 02:14:09 5925
Henderson 01:59:08 -10.3 NT Down 29.6 102.1 Low 01:44:08 - 02:14:08 5869
Patrick 01:59:07 -11.1 NT Down 30.6 102.5 Up 01:44:07 - 02:14:07 5803
Kingman/Dolan Springs 01:59:07 -10.9 NT Down 30.5 102.2 Up 01:44:07 - 02:14:07 5780
Laughlin/Bullhead City 01:59:09 -10.4 NT Down 30.1 101.9 Up 01:44:09 - 02:14:09 5778
Mohave Valley 01:59:09 -10.4 NT Down 30.1 101.7 Up 01:44:09 - 02:14:09 5750
Lake Havasu City 01:59:09 -10.5 NT Down 30.4 101.6 Up 01:44:09 - 02:14:09 5708
Wildwood 01:59:19 -7.0 NT Down 27.1 98.7 Low 01:44:19 - 02:14:19 5675
Parker 01:59:10 -10.5 NT Down 30.5 101.5 Up 01:44:10 - 02:14:10 5671
Idyllwild 01:59:14 -8.4 NT Down 28.6 99.7 Low 01:44:14 - 02:14:14 5633
George/Scottsdale 01:59:04 -12.3 AT Down 32.6 102.8 Up 01:44:04 - 02:14:04 5625
Calipatria 01:59:14 -9.2 NT Down 29.7 100.1 Low 01:44:14 - 02:14:14 5566
Yuma 01:59:12 -9.9 NT Down 30.5 100.4 Up 01:44:12 - 02:14:12 5519

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, (2029/02/05 01:55UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 20.58 124
Alhena         06:37:42.8 +16:23:56  1.9 12.81 116
PPM 152401     07:19:47.7 +07:08:33  6.4  1.17 103
PPM 152364     07:18:46.2 +08:29:12  8.0  0.28 104
613469         07:18:13.1 +08:14:41 16.6       104
Positions are for J2000

Event circumstances last updated at 2022/06/04 23:05:18 UT

Marc W. Buie, Southwest Research Institute

RECON