RECON: TNO occultation with 363330

Event between (363330) 02PQ145 and star GA0820:23948572 with event index number of 2820182

Geocentric closest approach at 2029/08/10 09:00:51 UTC

J2000 position of star is 22:46:54.2 -07:23:23
Equinox of date position of star is 22:48:06.0 -07:16:06
Stellar brightness G=9.1, use SENSEUP=2 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 161 degrees from the moon. Moon is 0% illuminated.
Apparent brightness V=22.4

[RECON map]
Object is 45.3 AU from the Sun and 44.4 AU from the Earth.
Apparent velocity is 22.9 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 195 seconds.
The 1-sigma cross-track error in the shadow position is 2935 km.
The sky-plane scale is 32200.1 km/arcsec.

The object has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 17.8 sec chord
Diameter=166.3 km assuming a 30% albedo -- 7.3 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 363330, (2029/08/10 09:01UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:16.6 -29:27:52  1.2 22.38 152
67 Aqr         22:44:46.9 -06:48:26  6.4  1.00 162
PPM 206721     22:46:08.5 -07:27:39  8.4  0.62 162
PPM 206758     22:48:26.9 -07:13:59  9.4  0.00 161
363330         22:48:26.8 -07:13:59  9.1       161
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 4.6 sigma about the mid-time.
The median site spacing is 21.4 km RECON observability=1.0 and success probability=3.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 08:59:46 -22.9 Dark Down 31.5 170.7 Up 08:44:46 - 09:14:46 7583
Victoria 08:59:57 -25.4 Dark Down 33.3 166.9 Up 08:44:57 - 09:14:57 7552
Peachland 08:59:45 -23.7 Dark Down 32.5 171.3 Up 08:44:45 - 09:14:45 7521
Kelowna 08:59:46 -23.5 Dark Down 32.4 171.6 Up 08:44:46 - 09:14:46 7518
Summerland 08:59:45 -23.8 Dark Down 32.7 171.4 Up 08:44:45 - 09:14:45 7511
Penticton 08:59:45 -23.9 Dark Down 32.7 171.5 Up 08:44:45 - 09:14:45 7504
Oliver 08:59:45 -24.2 Dark Down 33.1 171.4 Up 08:44:45 - 09:14:45 7485
Anarchist Mountain Observatory 08:59:45 -24.3 Dark Down 33.3 171.7 Up 08:44:45 - 09:14:45 7472
Okanogan 08:59:47 -25.0 Dark Down 33.9 171.3 Up 08:44:47 - 09:14:47 7443
Brewster 08:59:47 -25.3 Dark Down 34.1 171.1 Up 08:44:47 - 09:14:47 7433
Manson/Chelan 08:59:49 -25.6 Dark Down 34.3 170.6 Up 08:44:49 - 09:14:49 7432
Wenatchee 08:59:50 -26.0 Dark Down 34.7 170.4 Up 08:44:50 - 09:14:50 7410
Ellensburg 08:59:51 -26.5 Dark Down 35.1 170.1 Up 08:44:51 - 09:14:51 7394
Yakima 08:59:52 -26.9 Dark Down 35.5 170.0 Up 08:44:52 - 09:14:52 7371
Toppenish/White Swan 08:59:53 -27.1 Dark Down 35.8 170.2 Up 08:44:53 - 09:14:53 7355
The Dalles 08:59:56 -27.9 Dark Down 36.4 169.1 Up 08:44:56 - 09:14:56 7332
Maupin 08:59:57 -28.3 Dark Down 36.9 169.2 Up 08:44:57 - 09:14:57 7305
PNWRO 08:59:49 -27.1 Dark Down 36.3 171.9 Up 08:44:49 - 09:14:49 7292
Sleaford 08:59:04 -18.4 Dark Down 30.3 187.2 Up 08:44:04 - 09:14:04 7278
Sisters 08:59:59 -29.3 Dark Down 37.7 168.5 Up 08:44:59 - 09:14:59 7268
Bend 08:59:59 -29.5 Dark Down 37.9 168.8 Up 08:44:59 - 09:14:59 7247
Oregon Observatory 08:59:59 -29.6 Dark Down 38.1 168.6 Up 08:44:59 - 09:14:59 7240
Chiloquin 09:00:03 -31.0 Dark Down 39.3 167.9 Up 08:45:03 - 09:15:03 7172
Klamath Falls 09:00:04 -31.3 Dark Down 39.7 167.9 Up 08:45:04 - 09:15:04 7148
Fall River/Burney 09:00:06 -32.4 Dark Down 40.9 168.2 Up 08:45:06 - 09:15:06 7063
Cedarville 08:59:59 -31.7 Dark Down 40.6 169.8 Up 08:44:59 - 09:14:59 7057
Greenville 09:00:06 -33.2 Dark Down 41.8 168.6 Up 08:45:06 - 09:15:06 6990
Gimple 09:00:04 -33.2 Dark Down 41.8 168.7 Up 08:45:04 - 09:15:04 6988
Quincy 09:00:06 -33.4 Dark Down 42.0 168.6 Up 08:45:06 - 09:15:06 6977
Portola 09:00:04 -33.4 Dark Down 42.2 169.2 Up 08:45:04 - 09:15:04 6954
Reno 09:00:00 -33.5 Dark Down 42.6 170.0 Up 08:45:00 - 09:15:00 6917
Carson City 09:00:02 -33.9 Dark Down 42.9 170.0 Up 08:45:02 - 09:15:02 6892
Gardnerville 09:00:04 -34.1 Dark Down 43.2 170.0 Up 08:45:04 - 09:15:04 6874
Yerington 09:00:02 -33.9 Dark Down 43.2 170.8 Up 08:45:02 - 09:15:02 6859
Hawthorne 08:59:59 -34.2 Dark Down 43.7 171.4 Up 08:44:59 - 09:14:59 6810
Lee Vining 09:00:01 -34.9 Dark Down 44.2 170.7 Up 08:45:01 - 09:15:01 6787
Bishop 09:00:00 -35.3 Dark Down 44.9 171.6 Up 08:45:00 - 09:15:00 6722
Beatty 08:59:55 -35.3 Dark Down 45.5 173.8 Up 08:44:55 - 09:14:55 6635
Dunrhomin 08:59:13 -28.4 Dark Down 41.9 189.4 Up 08:44:13 - 09:14:13 6492
Wildwood 09:00:06 -38.4 Dark Down 48.1 170.8 Up 08:45:06 - 09:15:06 6491
Nikitin 08:59:11 -28.6 Dark Down 42.1 189.4 Up 08:44:11 - 09:14:11 6480
CU-SBO 08:59:11 -28.7 Dark Down 42.2 189.3 Up 08:44:11 - 09:14:11 6478
Laughlin/Bullhead City 08:59:50 -36.3 Dark Down 47.4 176.8 Up 08:44:50 - 09:14:50 6435
Patrick 08:59:47 -35.8 Dark Down 47.2 177.8 Up 08:44:47 - 09:14:47 6429
Idyllwild 08:59:59 -38.3 Dark Down 48.7 173.5 Up 08:44:59 - 09:14:59 6401
Lake Havasu City 08:59:52 -36.8 Dark Down 48.1 177.1 Up 08:44:52 - 09:14:52 6376
Calipatria 08:59:57 -38.5 Dark Down 49.4 175.2 Up 08:44:57 - 09:14:57 6313
Yuma 08:59:53 -38.6 Dark Down 49.9 176.5 Up 08:44:53 - 09:14:53 6248
George/Scottsdale 08:59:43 -36.7 Dark Down 48.9 180.7 Up 08:44:43 - 09:14:43 6230

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 363330, (2029/08/10 09:01UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 22.38 152
67 Aqr         22:43:14.3 -06:57:47  6.4  1.00 162
PPM 206721     22:44:35.7 -07:37:01  8.4  0.62 162
PPM 206758     22:46:54.3 -07:23:23  9.4  0.00 161
363330         22:46:54.2 -07:23:23  9.1       161
Positions are for J2000

Event circumstances last updated at 2022/12/16 01:16:38 UT

Marc W. Buie, Southwest Research Institute

RECON