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 08:09:33 UTC

J2000 position of star is 17:18:46.9 +00:47:29
Equinox of date position of star is 17:19:54.7 +00:46:11
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.
TNO apparent brightness V=21.6

[RECON map]
TNO is 37.1 AU from the Sun and 36.2 AU from the Earth.
The TNO is moving 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 180 seconds.
The 1-sigma cross-track error in the shadow position is 1346 km.
The sky-plane scale is 26262.5 km/arcsec.

The TNO has an absolute magnitude Hv=5.9
Diameter=398.1 km assuming a 5% albedo -- 16.8 sec chord
Diameter=162.5 km assuming a 30% albedo -- 6.9 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 23.4 km RECON observability=1.0 and success probability=27.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:08:19 -13.2 AT Down 34.2 212.3 Up 07:53:19 - 08:23:19 1763
Kamloops 08:08:57 -15.9 AT Up 39.1 195.5 Up 07:53:57 - 08:23:57 1663
Kelowna 08:08:54 -16.7 AT Up 39.7 196.8 Up 07:53:54 - 08:23:54 1604
Peachland 08:08:54 -16.8 AT Up 39.9 196.5 Up 07:53:54 - 08:23:54 1596
Summerland 08:08:54 -16.9 AT Up 40.0 196.6 Up 07:53:54 - 08:23:54 1585
Penticton 08:08:54 -17.0 AT Up 40.0 196.8 Up 07:53:54 - 08:23:54 1580
Oliver 08:08:53 -17.4 AT Up 40.4 196.9 Up 07:53:53 - 08:23:53 1554
Anarchist Mountain Observatory 08:08:53 -17.5 AT Up 40.5 197.2 Up 07:53:53 - 08:23:53 1542
Tonasket 08:08:53 -17.8 AT Up 40.8 197.2 Up 07:53:53 - 08:23:53 1519
Victoria 08:09:05 -18.0 Dark Up 41.6 192.0 Up 07:54:05 - 08:24:05 1506
Okanogan 08:08:53 -18.2 Dark Up 41.2 197.0 Up 07:53:53 - 08:23:53 1493
Brewster 08:08:53 -18.4 Dark Up 41.5 196.9 Up 07:53:53 - 08:23:53 1473
Manson/Chelan 08:08:54 -18.7 Dark Up 41.7 196.4 Up 07:53:54 - 08:23:54 1457
Wenatchee 08:08:54 -19.1 Dark Up 42.2 196.3 Up 07:53:54 - 08:23:54 1421
Ellensburg 08:08:55 -19.6 Dark Up 42.7 196.1 Up 07:53:55 - 08:23:55 1390
Yakima 08:08:55 -20.0 Dark Up 43.1 196.2 Up 07:53:55 - 08:23:55 1358
Toppenish/White Swan 08:08:54 -20.2 Dark Up 43.2 196.5 Up 07:53:54 - 08:23:54 1341
PNWRO 08:08:49 -20.5 Dark Up 43.3 198.6 Up 07:53:49 - 08:23:49 1312
Goldendale 08:08:55 -20.7 Dark Up 43.8 196.1 Up 07:53:55 - 08:23:55 1298
The Dalles 08:08:56 -21.0 Dark Up 44.1 195.6 Up 07:53:56 - 08:23:56 1280
Maupin 08:08:55 -21.4 Dark Up 44.5 195.9 Up 07:53:55 - 08:23:55 1247
Sisters 08:08:56 -22.3 Dark Up 45.5 195.5 Up 07:53:56 - 08:23:56 1177
Bend 08:08:56 -22.5 Dark Up 45.6 195.9 Up 07:53:56 - 08:23:56 1158
Oregon Observatory 08:08:56 -22.7 Dark Up 45.8 195.7 Up 07:53:56 - 08:23:56 1144
North Lake 08:08:54 -23.3 Dark Up 46.3 196.7 Up 07:53:54 - 08:23:54 1092
Chiloquin 08:08:57 -24.0 Dark Up 47.2 195.5 Up 07:53:57 - 08:23:57 1036
Klamath Falls 08:08:56 -24.3 Dark Up 47.5 195.7 Up 07:53:56 - 08:23:56 1008
Lakeview 08:08:51 -24.4 Dark Up 47.2 197.8 Up 07:53:51 - 08:23:51 1005
Cedarville 08:08:50 -25.0 Dark Up 47.8 198.3 Up 07:53:50 - 08:23:50 949
Fall River/Burney 08:08:54 -25.5 Dark Up 48.5 196.7 Up 07:53:54 - 08:23:54 909
Susanville 08:08:51 -26.1 Dark Up 49.0 198.0 Up 07:53:51 - 08:23:51 855
Dunrhomin 08:07:59 -24.5 Dark Down 43.6 218.7 Up 07:52:59 - 08:22:59 841
Greenville 08:08:52 -26.4 Dark Up 49.3 197.6 Up 07:53:52 - 08:23:52 831
Gimple 08:08:52 -26.4 Dark Up 49.3 197.7 Up 07:53:52 - 08:23:52 831
CU-SBO 08:07:59 -24.8 Dark Down 43.8 218.7 Up 07:52:59 - 08:22:59 820
Quincy 08:08:52 -26.6 Dark Up 49.5 197.7 Up 07:53:52 - 08:23:52 814
Portola 08:08:50 -26.7 Dark Up 49.5 198.4 Up 07:53:50 - 08:23:50 803
Reno 08:08:48 -27.0 Dark Up 49.6 199.5 Up 07:53:48 - 08:23:48 780
Carson City 08:08:47 -27.4 Dark Up 49.9 199.7 Up 07:53:47 - 08:23:47 749
Yerington 08:08:45 -27.5 Dark Up 50.0 200.7 Up 07:53:45 - 08:23:45 732
Gardnerville 08:08:47 -27.6 Dark Up 50.2 199.8 Up 07:53:47 - 08:23:47 727
Hawthorne 08:08:43 -28.0 Dark Up 50.2 201.7 Up 07:53:43 - 08:23:43 691
Tonopah 08:08:38 -28.4 Dark Up 50.2 204.0 Up 07:53:38 - 08:23:38 650
Lee Vining 08:08:44 -28.6 Dark Up 50.9 201.2 Up 07:53:44 - 08:23:44 642
Bishop 08:08:41 -29.1 Dark Up 51.2 202.6 Up 07:53:41 - 08:23:41 588
Beatty 08:08:35 -29.5 Dark Up 51.2 205.2 Up 07:53:35 - 08:23:35 546
Indian Springs 08:08:31 -29.7 Dark Up 51.1 207.0 Up 07:53:31 - 08:23:31 517
Henderson 08:08:28 -30.2 Dark Up 51.3 208.3 Up 07:53:28 - 08:23:28 468
Patrick 08:08:24 -30.7 Dark Up 51.4 210.3 Up 07:53:24 - 08:23:24 411
Kingman/Dolan Springs 08:08:24 -30.9 Dark Up 51.7 210.2 Up 07:53:24 - 08:23:24 391
Laughlin/Bullhead City 08:08:26 -31.0 Dark Up 51.9 209.4 Up 07:53:26 - 08:23:26 388
Mohave Valley 08:08:26 -31.3 Dark Up 52.1 209.6 Up 07:53:26 - 08:23:26 363
Lake Havasu City 08:08:25 -31.7 Dark Up 52.4 210.2 Up 07:53:25 - 08:23:25 327
Parker 08:08:24 -32.0 Dark Up 52.7 210.5 Up 07:53:24 - 08:23:24 294
Wildwood 08:08:40 -32.4 Dark Up 54.3 203.9 Up 07:53:40 - 08:23:40 290
Idyllwild 08:08:33 -32.6 Dark Up 54.0 207.1 Up 07:53:33 - 08:23:33 257
George/Scottsdale 08:08:15 -32.1 Dark Up 52.0 214.3 Up 07:53:15 - 08:23:15 255
Calipatria 08:08:28 -33.1 Dark Up 54.1 209.3 Up 07:53:28 - 08:23:28 199
Yuma 08:08:24 -33.5 Dark Up 54.1 211.0 Up 07:53:24 - 08:23:24 158

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 2022/03/07 03:39:31 UT

Marc W. Buie, Southwest Research Institute

RECON