RECON: TNO occultation with 459865

Event between (459865) 13XZ8 and star GA0800:21818050 with event index number of 2801836

Geocentric closest approach at 2029/07/02 09:03:39 UTC

J2000 position of star is 19:48:36.0 -08:20:55
Equinox of date position of star is 19:49:55.6 -08:17:10
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 58 degrees from the moon. Moon is 63% illuminated.
Apparent brightness V=20.5

[RECON map]
Object is 12.6 AU from the Sun and 11.7 AU from the Earth.
Apparent velocity is 20.9 km/sec on the sky relative to the star, or, 8.9 arcsec/hr.
The 1-sigma error in the time of the event is 78 seconds.
The 1-sigma cross-track error in the shadow position is 992 km.
The sky-plane scale is 8455.7 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=70.8 km assuming a 5% albedo -- 3.6 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 459865, (2029/07/02 09:09UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:16.3 -29:27:54  1.2 49.05  34
Tarazed        19:47:39.7 +10:41:14  2.7 18.97  57
56 Aql         19:55:44.2 -08:29:43  5.4  1.39  56
PPM 203292     19:48:43.8 -08:04:43  8.1  0.41  58
PPM 203322     19:51:03.0 -08:16:48  9.2  0.21  58
459865         19:50:11.9 -08:16:24 17.0        57
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 21.3 km RECON observability=1.0 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 09:03:04 -10.8 NT Up 28.5 195.1 Low 08:56:05 - 09:10:03 7862
Kamloops 09:03:50 -15.2 AT Up 31.0 179.0 Up 08:56:51 - 09:10:49 7773
Kelowna 09:03:47 -15.9 AT Up 31.8 180.0 Up 08:56:48 - 09:10:46 7727
Peachland 09:03:47 -16.0 AT Up 31.9 179.7 Up 08:56:48 - 09:10:46 7720
Summerland 09:03:47 -16.1 AT Up 32.1 179.8 Up 08:56:48 - 09:10:46 7711
Penticton 09:03:47 -16.2 AT Up 32.1 179.9 Up 08:56:48 - 09:10:46 7708
Oliver 09:03:47 -16.5 AT Up 32.5 179.9 Up 08:56:48 - 09:10:46 7686
Anarchist Mountain Observatory 09:03:46 -16.7 AT Up 32.6 180.1 Up 08:56:47 - 09:10:45 7677
Victoria 09:04:00 -17.7 AT Up 33.0 175.4 Up 08:57:01 - 09:10:59 7638
Okanogan 09:03:47 -17.3 AT Up 33.3 179.9 Up 08:56:48 - 09:10:46 7637
Brewster 09:03:48 -17.6 AT Up 33.6 179.6 Up 08:56:49 - 09:10:47 7620
Manson/Chelan 09:03:49 -17.9 AT Up 33.8 179.2 Up 08:56:50 - 09:10:48 7606
Wenatchee 09:03:50 -18.4 Dark Up 34.2 179.0 Up 08:56:51 - 09:10:49 7576
Ellensburg 09:03:50 -18.8 Dark Up 34.6 178.7 Up 08:56:51 - 09:10:49 7550
Yakima 09:03:51 -19.2 Dark Up 35.1 178.7 Up 08:56:52 - 09:10:50 7524
Toppenish/White Swan 09:03:49 -19.4 Dark Up 35.3 178.9 Up 08:56:50 - 09:10:48 7510
PNWRO 09:03:44 -19.5 Dark Up 35.6 180.7 Up 08:56:45 - 09:10:43 7490
The Dalles 09:03:53 -20.3 Dark Up 36.0 177.9 Up 08:56:54 - 09:10:52 7458
Maupin 09:03:53 -20.7 Dark Up 36.5 178.1 Up 08:56:54 - 09:10:52 7431
Sisters 09:03:54 -21.6 Dark Up 37.3 177.4 Up 08:56:55 - 09:10:53 7371
Bend 09:03:53 -21.8 Dark Up 37.6 177.7 Up 08:56:54 - 09:10:52 7356
Oregon Observatory 09:03:54 -22.0 Dark Up 37.7 177.6 Up 08:56:55 - 09:10:53 7344
Chiloquin 09:03:56 -23.3 Dark Up 39.0 177.0 Up 08:56:57 - 09:10:55 7251
Klamath Falls 09:03:55 -23.7 Dark Up 39.4 177.1 Up 08:56:56 - 09:10:54 7227
Cedarville 09:03:49 -24.0 Dark Up 40.1 179.1 Up 08:56:50 - 09:10:48 7182
Fall River/Burney 09:03:54 -24.7 Dark Up 40.6 177.5 Up 08:56:55 - 09:10:53 7144
Dunrhomin 09:02:50 -21.0 Dark Up 39.7 198.2 Up 08:55:51 - 09:09:49 7101
Nikitin 09:02:50 -21.2 Dark Up 39.9 198.3 Up 08:55:51 - 09:09:49 7088
CU-SBO 09:02:50 -21.3 Dark Up 39.9 198.2 Up 08:55:51 - 09:09:49 7083
Gimple 09:03:51 -25.5 Dark Up 41.5 178.2 Up 08:56:52 - 09:10:50 7079
Greenville 09:03:52 -25.5 Dark Up 41.5 178.1 Up 08:56:53 - 09:10:51 7079
Quincy 09:03:52 -25.7 Dark Up 41.7 178.1 Up 08:56:53 - 09:10:51 7064
Portola 09:03:50 -25.8 Dark Up 41.8 178.7 Up 08:56:51 - 09:10:49 7056
Reno 09:03:47 -25.9 Dark Up 42.1 179.6 Up 08:56:48 - 09:10:46 7038
Carson City 09:03:47 -26.2 Dark Up 42.5 179.6 Up 08:56:48 - 09:10:46 7011
Yerington 09:03:45 -26.3 Dark Up 42.7 180.4 Up 08:56:46 - 09:10:44 6998
Gardnerville 09:03:47 -26.5 Dark Up 42.7 179.6 Up 08:56:48 - 09:10:46 6993
Hawthorne 09:03:42 -26.6 Dark Up 43.1 181.1 Up 08:56:43 - 09:10:41 6964
Lee Vining 09:03:45 -27.3 Dark Up 43.7 180.5 Up 08:56:46 - 09:10:44 6920
Bishop 09:03:41 -27.7 Dark Up 44.3 181.5 Up 08:56:42 - 09:10:40 6875
Beatty 09:03:35 -27.7 Dark Up 44.7 183.7 Up 08:56:36 - 09:10:34 6842
Patrick 09:03:22 -28.3 Dark Up 45.9 187.9 Up 08:56:23 - 09:10:21 6728
Laughlin/Bullhead City 09:03:25 -28.7 Dark Up 46.2 186.9 Up 08:56:26 - 09:10:24 6707
Lake Havasu City 09:03:24 -29.3 Dark Up 46.9 187.4 Up 08:56:25 - 09:10:23 6653
Wildwood 09:03:42 -30.8 Dark Up 47.5 181.3 Up 08:56:43 - 09:10:41 6613
George/Scottsdale 09:03:13 -29.2 Dark Up 47.3 191.0 Up 08:56:14 - 09:10:12 6592
Idyllwild 09:03:34 -30.7 Dark Up 47.8 184.0 Up 08:56:35 - 09:10:33 6588
Calipatria 09:03:29 -30.9 Dark Up 48.4 185.8 Up 08:56:30 - 09:10:28 6538
Yuma 09:03:24 -31.1 Dark Up 48.7 187.2 Up 08:56:25 - 09:10:23 6504

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 459865, (2029/07/02 09:09UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 49.05  34
Tarazed        19:46:15.6 +10:36:48  2.7 18.97  57
56 Aql         19:54:08.3 -08:34:28  5.4  1.39  56
PPM 203292     19:47:08.1 -08:09:11  8.1  0.41  58
PPM 203322     19:49:27.2 -08:21:21  9.2  0.21  58
459865         19:48:36.0 -08:20:55 17.0        58
Positions are for J2000

Event circumstances last updated at 2024/06/27 21:04:28 UT

Marc W. Buie, Southwest Research Institute

RECON