RECON: TNO occultation with 307463

Event between (307463) 02VU130 and star GA1120:02049427 with event index number of 2691296

Geocentric closest approach at 2029/01/26 06:45:42 UTC

J2000 position of star is 06:21:35.7 +23:09:20
Equinox of date position of star is 06:22:59.9 +23:08:35
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 19 degrees from the moon. Moon is 82% illuminated.
Apparent brightness V=21.7

[RECON map]
Object is 37.8 AU from the Sun and 37.0 AU from the Earth.
Apparent velocity is 21.1 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 482 seconds.
The 1-sigma cross-track error in the shadow position is 1526 km.
The sky-plane scale is 26829.9 km/arcsec.

The object has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 18.6 sec chord
Diameter=162.5 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 307463, (2029/01/26 06:51UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:44.8 +07:24:36  0.4 16.98  22
Alhena         06:39:23.4 +16:22:19  1.9  7.75  25
PPM 095944     06:27:19.0 +23:18:30  6.0  0.92  20
PPM 095792     06:21:53.7 +23:23:24  8.2  0.42  19
PPM 095839     06:23:33.8 +22:53:05  9.0  0.26  19
307463         06:23:21.6 +23:08:23 16.0        19
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 1.9 sigma about the mid-time.
The median site spacing is 34.6 km RECON observability=1.0 and success probability=2.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:44:27 -56.0 Dark Up 55.0 224.0 Up 06:29:27 - 06:59:27 6244
Kamloops 06:45:11 -53.4 Dark Up 61.1 202.0 Up 06:30:11 - 07:00:11 5953
Kelowna 06:45:07 -54.4 Dark Up 61.6 204.3 Up 06:30:07 - 07:00:07 5881
Peachland 06:45:08 -54.4 Dark Up 61.8 203.8 Up 06:30:08 - 07:00:08 5868
Summerland 06:45:07 -54.5 Dark Up 61.9 204.1 Up 06:30:07 - 07:00:07 5854
Penticton 06:45:07 -54.6 Dark Up 61.9 204.3 Up 06:30:07 - 07:00:07 5848
Oliver 06:45:06 -54.9 Dark Up 62.3 204.6 Up 06:30:06 - 07:00:06 5814
Anarchist Mountain Observatory 06:45:05 -55.1 Dark Up 62.4 205.1 Up 06:30:05 - 07:00:05 5799
Okanogan 06:45:06 -55.6 Dark Up 63.0 205.2 Up 06:30:06 - 07:00:06 5733
Victoria 06:45:19 -53.8 Dark Up 63.8 197.6 Up 06:30:19 - 07:00:19 5719
Brewster 06:45:06 -55.7 Dark Up 63.3 205.1 Up 06:30:06 - 07:00:06 5704
Manson/Chelan 06:45:07 -55.7 Dark Up 63.6 204.5 Up 06:30:07 - 07:00:07 5680
Wenatchee 06:45:08 -56.0 Dark Up 64.1 204.6 Up 06:30:08 - 07:00:08 5631
Ellensburg 06:45:08 -56.2 Dark Up 64.5 204.5 Up 06:30:08 - 07:00:08 5588
Yakima 06:45:07 -56.5 Dark Up 64.9 204.8 Up 06:30:07 - 07:00:07 5547
Toppenish/White Swan 06:45:07 -56.7 Dark Up 65.0 205.4 Up 06:30:07 - 07:00:07 5526
PNWRO 06:45:01 -57.7 Dark Up 64.9 208.7 Up 06:30:01 - 07:00:01 5503
The Dalles 06:45:09 -57.0 Dark Up 66.0 204.4 Up 06:30:09 - 07:00:09 5441
Maupin 06:45:08 -57.3 Dark Up 66.3 205.0 Up 06:30:08 - 07:00:08 5399
Sisters 06:45:09 -57.7 Dark Up 67.3 204.8 Up 06:30:09 - 07:00:09 5305
Bend 06:45:08 -58.0 Dark Up 67.4 205.7 Up 06:30:08 - 07:00:08 5283
Oregon Observatory 06:45:08 -58.1 Dark Up 67.6 205.5 Up 06:30:08 - 07:00:08 5264
Chiloquin 06:45:09 -58.8 Dark Up 68.9 206.0 Up 06:30:09 - 07:00:09 5125
Dunrhomin 06:44:05 -67.5 Dark Up 62.0 240.3 Up 06:29:05 - 06:59:05 5098
Klamath Falls 06:45:08 -59.0 Dark Up 69.2 206.6 Up 06:30:08 - 07:00:08 5090
Nikitin 06:44:04 -67.6 Dark Up 62.1 240.6 Up 06:29:04 - 06:59:04 5079
CU-SBO 06:44:04 -67.7 Dark Up 62.2 240.6 Up 06:29:04 - 06:59:04 5071
Cedarville 06:45:02 -60.4 Dark Up 69.2 211.3 Up 06:30:02 - 07:00:02 5031
Fall River/Burney 06:45:06 -60.0 Dark Up 70.1 209.0 Up 06:30:06 - 07:00:06 4970
Gimple 06:45:03 -60.9 Dark Up 70.7 211.6 Up 06:30:03 - 07:00:03 4879
Greenville 06:45:03 -60.9 Dark Up 70.7 211.4 Up 06:30:03 - 07:00:03 4879
Quincy 06:45:03 -61.0 Dark Up 70.9 211.7 Up 06:30:03 - 07:00:03 4857
Portola 06:45:01 -61.4 Dark Up 70.8 213.1 Up 06:30:01 - 07:00:01 4848
Reno 06:44:59 -61.9 Dark Up 70.8 215.1 Up 06:29:59 - 06:59:59 4827
Carson City 06:44:58 -62.2 Dark Up 71.1 215.7 Up 06:29:58 - 06:59:58 4789
Yerington 06:44:56 -62.7 Dark Up 70.9 217.6 Up 06:29:56 - 06:59:56 4775
Gardnerville 06:44:57 -62.3 Dark Up 71.2 216.2 Up 06:29:57 - 06:59:57 4764
Hawthorne 06:44:53 -63.3 Dark Up 71.0 219.7 Up 06:29:53 - 06:59:53 4731
Lee Vining 06:44:55 -63.4 Dark Up 71.7 219.6 Up 06:29:55 - 06:59:55 4666
Bishop 06:44:51 -64.2 Dark Up 71.8 222.5 Up 06:29:51 - 06:59:51 4610
Beatty 06:44:44 -65.4 Dark Up 71.2 227.1 Up 06:29:44 - 06:59:44 4579
Patrick 06:44:31 -68.1 Dark Up 70.3 236.2 Up 06:29:31 - 06:59:31 4457
Laughlin/Bullhead City 06:44:33 -67.9 Dark Up 70.9 235.5 Up 06:29:33 - 06:59:33 4422
Lake Havasu City 06:44:31 -68.5 Dark Up 71.1 237.6 Up 06:29:31 - 06:59:31 4353
George/Scottsdale 06:44:21 -70.5 Dark Up 69.8 243.7 Up 06:29:21 - 06:59:21 4305
Wildwood 06:44:49 -66.0 Dark Up 74.2 229.6 Up 06:29:49 - 06:59:49 4258
Idyllwild 06:44:41 -67.5 Dark Up 73.2 234.9 Up 06:29:41 - 06:59:41 4241
Calipatria 06:44:35 -68.6 Dark Up 72.7 238.9 Up 06:29:35 - 06:59:35 4190
Yuma 06:44:31 -69.5 Dark Up 72.3 241.7 Up 06:29:31 - 06:59:31 4155

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 307463, (2029/01/26 06:51UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.98  22
Alhena         06:37:42.8 +16:23:56  1.9  7.75  25
PPM 095944     06:25:33.0 +23:19:37  6.0  0.92  20
PPM 095792     06:20:07.6 +23:24:17  8.2  0.42  19
PPM 095839     06:21:48.1 +22:54:02  9.0  0.26  19
307463         06:21:35.7 +23:09:20 16.0        19
Positions are for J2000

Event circumstances last updated at 2023/02/15 03:50:41 UT

Marc W. Buie, Southwest Research Institute

RECON