RECON: TNO occultation with 505624

Event between (505624) 14GU53 and star GA0900:05428761 with event index number of 2780605

Geocentric closest approach at 2029/06/21 08:06:48 UTC

J2000 position of star is 17:18:46.9 +00:47:29
Equinox of date position of star is 17:19:59.3 +00:46:05
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 59 degrees from the moon. Moon is 72% illuminated.
Apparent brightness V=21.5

[RECON map]
Object is 37.1 AU from the Sun and 36.2 AU from the Earth.
Apparent velocity is 23.6 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is 1329 km.
The sky-plane scale is 26262.5 km/arcsec.

The object has an absolute magnitude Hv=5.8
Diameter=398.1 km assuming a 5% albedo -- 17.2 sec chord
Diameter=162.5 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 505624, (2029/06/21 08:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9 29.71  44
60Bet Oph      17:44:55.8 +04:33:25  2.8  7.23  66
PPM 163749     17:18:01.5 +01:10:48  5.9  0.70  58
PPM 163775     17:19:06.4 +01:42:46  7.1  0.99  59
PPM 163802     17:20:13.2 +00:57:52  9.7  0.20  59
505624         17:20:17.0 +00:45:45 15.6        59
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 5.0 sigma about the mid-time.
The median site spacing is 28.9 km RECON observability=1.0 and success probability=94.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:05:36 -13.3 AT Down 34.4 211.6 Up 07:55:42 - 08:15:31 1125
Kamloops 08:06:14 -15.9 AT Up 39.2 194.7 Up 07:56:20 - 08:16:09 1026
Kelowna 08:06:11 -16.7 AT Up 39.8 196.0 Up 07:56:17 - 08:16:06 967
Peachland 08:06:12 -16.8 AT Up 40.0 195.6 Up 07:56:18 - 08:16:07 959
Summerland 08:06:12 -17.0 AT Up 40.1 195.8 Up 07:56:17 - 08:16:06 948
Penticton 08:06:11 -17.0 AT Up 40.2 195.9 Up 07:56:17 - 08:16:06 943
Oliver 08:06:11 -17.4 AT Up 40.5 196.0 Up 07:56:16 - 08:16:05 917
Anarchist Mountain Observatory 08:06:10 -17.5 AT Up 40.6 196.3 Up 07:56:16 - 08:16:05 905
Victoria 08:06:22 -18.0 Dark Up 41.7 191.1 Up 07:56:28 - 08:16:17 868
Okanogan 08:06:10 -18.2 Dark Up 41.3 196.2 Up 07:56:16 - 08:16:05 856
Brewster 08:06:11 -18.5 Dark Up 41.6 196.0 Up 07:56:16 - 08:16:05 836
Manson/Chelan 08:06:12 -18.7 Dark Up 41.9 195.5 Up 07:56:17 - 08:16:06 820
Wenatchee 08:06:12 -19.2 Dark Up 42.3 195.4 Up 07:56:18 - 08:16:07 784
Ellensburg 08:06:13 -19.6 Dark Up 42.8 195.2 Up 07:56:18 - 08:16:07 752
Yakima 08:06:12 -20.0 Dark Up 43.2 195.3 Up 07:56:18 - 08:16:07 721
Toppenish/White Swan 08:06:12 -20.2 Dark Up 43.4 195.6 Up 07:56:17 - 08:16:06 704
PNWRO 08:06:07 -20.5 Dark Up 43.4 197.7 Up 07:56:12 - 08:16:01 675
The Dalles 08:06:14 -21.0 Dark Up 44.3 194.7 Up 07:56:19 - 08:16:08 643
Maupin 08:06:13 -21.4 Dark Up 44.6 195.0 Up 07:56:19 - 08:16:08 610
Sisters 08:06:14 -22.3 Dark Up 45.6 194.5 Up 07:56:20 - 08:16:09 540
Bend 08:06:13 -22.5 Dark Up 45.8 194.9 Up 07:56:19 - 08:16:08 521
Oregon Observatory 08:06:14 -22.7 Dark Up 46.0 194.8 Up 07:56:19 - 08:16:08 507
Chiloquin 08:06:14 -24.0 Dark Up 47.3 194.6 Up 07:56:20 - 08:16:09 399
Klamath Falls 08:06:14 -24.3 Dark Up 47.6 194.8 Up 07:56:19 - 08:16:08 370
Cedarville 08:06:08 -25.0 Dark Up 48.0 197.3 Up 07:56:14 - 08:16:03 312
Fall River/Burney 08:06:12 -25.5 Dark Up 48.7 195.7 Up 07:56:18 - 08:16:07 271
Dunrhomin 08:05:17 -24.7 Dark Down 43.9 217.9 Up 07:55:22 - 08:15:11 203
Greenville 08:06:10 -26.4 Dark Up 49.5 196.6 Up 07:56:16 - 08:16:05 194
Gimple 08:06:10 -26.4 Dark Up 49.4 196.7 Up 07:56:15 - 08:16:04 194
Nikitin 08:05:17 -24.8 Dark Down 44.0 218.0 Up 07:55:22 - 08:15:11 187
CU-SBO 08:05:17 -24.9 Dark Down 44.1 217.9 Up 07:55:22 - 08:15:11 182
Quincy 08:06:10 -26.6 Dark Up 49.7 196.7 Up 07:56:15 - 08:16:04 176
Portola 08:06:08 -26.8 Dark Up 49.7 197.4 Up 07:56:14 - 08:16:03 166
Reno 08:06:06 -27.0 Dark Up 49.8 198.5 Up 07:56:11 - 08:16:00 142
Carson City 08:06:05 -27.4 Dark Up 50.1 198.7 Up 07:56:11 - 08:16:00 111
Yerington 08:06:03 -27.5 Dark Up 50.1 199.7 Up 07:56:09 - 08:15:58 94
Gardnerville 08:06:05 -27.6 Dark Up 50.3 198.8 Up 07:56:11 - 08:16:00 90
Hawthorne 08:06:01 -28.0 Dark Up 50.4 200.7 Up 07:56:06 - 08:15:55 53
Lee Vining 08:06:02 -28.6 Dark Up 51.1 200.2 Up 07:56:08 - 08:15:57 4
Bishop 08:05:59 -29.2 Dark Up 51.4 201.5 Up 07:56:05 - 08:15:54 -50
Beatty 08:05:53 -29.5 Dark Up 51.4 204.2 Up 07:55:59 - 08:15:48 -91
Patrick 08:05:42 -30.8 Dark Up 51.7 209.3 Up 07:55:47 - 08:15:36 -226
Laughlin/Bullhead City 08:05:44 -31.1 Dark Up 52.2 208.4 Up 07:55:50 - 08:15:39 -249
Lake Havasu City 08:05:43 -31.7 Dark Up 52.7 209.2 Up 07:55:48 - 08:15:37 -311
Wildwood 08:05:58 -32.4 Dark Up 54.5 202.8 Up 07:56:04 - 08:15:53 -347
Idyllwild 08:05:51 -32.7 Dark Up 54.2 206.0 Up 07:55:56 - 08:15:45 -381
George/Scottsdale 08:05:33 -32.2 Dark Up 52.3 213.3 Up 07:55:38 - 08:15:27 -383
Calipatria 08:05:46 -33.2 Dark Up 54.3 208.3 Up 07:55:52 - 08:15:41 -438
Yuma 08:05:42 -33.5 Dark Up 54.3 209.9 Up 07:55:48 - 08:15:37 -479

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 505624, (2029/06/21 08:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 29.71  44
60Bet Oph      17:43:28.3 +04:34:06  2.8  7.23  66
PPM 163749     17:16:31.7 +01:12:38  5.9  0.70  58
PPM 163775     17:17:36.9 +01:44:33  7.1  0.99  59
PPM 163802     17:18:43.2 +00:59:36  9.7  0.20  59
505624         17:18:46.9 +00:47:29 15.6        59
Positions are for J2000

Event circumstances last updated at 2023/08/31 02:56:42 UT

Marc W. Buie, Southwest Research Institute

RECON