RECON: TNO occultation with 119951

Event between (119951) 02KX14 and star GA0660:32954046 with event index number of 2797262

Geocentric closest approach at 2029/06/27 05:07:17 UTC

J2000 position of star is 18:21:29.5 -23:25:57
Equinox of date position of star is 18:22:57.7 -23:25:10
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 15 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=20.5

[RECON map]
Object is 38.6 AU from the Sun and 37.6 AU from the Earth.
Apparent velocity is 24.5 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 183 seconds.
The 1-sigma cross-track error in the shadow position is 1400 km.
The sky-plane scale is 27239.1 km/arcsec.

The object has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 28.1 sec chord
Diameter=282.4 km assuming a 30% albedo -- 11.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 119951, (2029/06/27 05:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:13.2 -26:29:41  0.9 25.54  40
Nunki          18:57:05.5 -26:15:26  2.0  8.18   9
PPM 268291     18:23:20.3 -24:53:57  6.0  1.48  15
PPM 268300     18:23:46.3 -23:15:32  8.5  0.19  15
PPM 268294     18:23:33.1 -23:25:35  9.4  0.06  15
119951         18:23:17.1 -23:24:59 17.0        14
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 4.9 sigma about the mid-time.
The median site spacing is 16.6 km RECON observability=0.2 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 05:08:25 -10.3 NT Up 10.4 153.5 Really Low 04:53:25 - 05:23:25 7260
Kamloops 05:08:56 -6.5 NT Up 6.8 141.0 Really Low 04:53:56 - 05:23:56 7011
Kelowna 05:08:56 -7.5 NT Up 7.8 141.7 Really Low 04:53:56 - 05:23:56 6996
Peachland 05:08:56 -7.5 NT Up 7.8 141.4 Really Low 04:53:56 - 05:23:56 6987
Summerland 05:08:56 -7.6 NT Up 7.9 141.5 Really Low 04:53:56 - 05:23:56 6983
Penticton 05:08:56 -7.7 NT Up 8.0 141.6 Really Low 04:53:56 - 05:23:56 6982
Oliver 05:08:56 -8.0 NT Up 8.3 141.6 Really Low 04:53:56 - 05:23:56 6968
Anarchist Mountain Observatory 05:08:56 -8.2 NT Up 8.5 141.7 Really Low 04:53:56 - 05:23:56 6965
Okanogan 05:08:56 -8.6 NT Up 8.9 141.5 Really Low 04:53:56 - 05:23:56 6936
Brewster 05:08:56 -8.7 NT Up 9.0 141.3 Really Low 04:53:56 - 05:23:56 6922
Manson/Chelan 05:08:56 -8.7 NT Up 9.0 141.0 Really Low 04:53:56 - 05:23:56 6908
Wenatchee 05:08:56 -9.0 NT Up 9.3 140.8 Really Low 04:53:56 - 05:23:56 6886
Victoria 05:08:56 -6.8 NT Up 7.2 138.3 Really Low 04:53:56 - 05:23:56 6880
Ellensburg 05:08:56 -9.2 NT Up 9.6 140.5 Really Low 04:53:56 - 05:23:56 6866
PNWRO 05:08:56 -10.7 NT Up 11.1 141.8 Really Low 04:53:56 - 05:23:56 6850
Yakima 05:08:56 -9.5 NT Up 9.9 140.5 Really Low 04:53:56 - 05:23:56 6849
Toppenish/White Swan 05:08:56 -9.8 NT Up 10.1 140.6 Really Low 04:53:56 - 05:23:56 6842
Dunrhomin 05:08:41 -21.0 Dark Up 21.3 152.7 Low 04:53:41 - 05:23:41 6785
The Dalles 05:09:14 -10.0 NT Up 10.4 139.9 Really Low 04:54:14 - 05:24:14 6783
Nikitin 05:08:42 -21.2 Dark Up 21.4 152.7 Low 04:53:42 - 05:23:42 6775
CU-SBO 05:08:42 -21.2 Dark Up 21.5 152.6 Low 04:53:42 - 05:23:42 6771
Maupin 05:09:14 -10.4 NT Up 10.8 140.0 Really Low 04:54:14 - 05:24:14 6765
Sisters 05:09:18 -10.9 NT Up 11.2 139.5 Really Low 04:54:18 - 05:24:18 6714
Bend 05:09:17 -11.2 NT Up 11.5 139.6 Really Low 04:54:17 - 05:24:17 6708
Oregon Observatory 05:09:19 -11.2 NT Up 11.6 139.5 Really Low 04:54:19 - 05:24:19 6697
Chiloquin 05:09:23 -12.0 AT Up 12.4 139.0 Really Low 04:54:23 - 05:24:23 6622
Klamath Falls 05:09:23 -12.3 AT Up 12.7 139.0 Really Low 04:54:23 - 05:24:23 6606
Cedarville 05:09:20 -13.6 AT Up 14.0 140.2 Really Low 04:54:20 - 05:24:20 6602
Fall River/Burney 05:09:24 -13.4 AT Up 13.8 139.1 Really Low 04:54:24 - 05:24:24 6551
Gimple 05:09:25 -14.3 AT Up 14.7 139.4 Really Low 04:54:25 - 05:24:25 6513
Greenville 05:09:26 -14.3 AT Up 14.7 139.4 Really Low 04:54:26 - 05:24:26 6511
Portola 05:09:25 -14.8 AT Up 15.2 139.7 Really Low 04:54:25 - 05:24:25 6503
Reno 05:09:24 -15.3 AT Up 15.7 140.2 Really Low 04:54:24 - 05:24:24 6502
Quincy 05:09:26 -14.4 AT Up 14.8 139.3 Really Low 04:54:26 - 05:24:26 6500
Yerington 05:09:24 -16.1 AT Up 16.5 140.6 Really Low 04:54:24 - 05:24:24 6484
Carson City 05:09:24 -15.6 AT Up 16.0 140.1 Really Low 04:54:24 - 05:24:24 6482
Gardnerville 05:09:25 -15.8 AT Up 16.2 140.1 Really Low 04:54:25 - 05:24:25 6469
Hawthorne 05:09:23 -16.7 AT Up 17.1 140.9 Really Low 04:54:23 - 05:24:23 6468
Lee Vining 05:09:25 -16.9 AT Up 17.3 140.4 Really Low 04:54:25 - 05:24:25 6426
Beatty 05:09:20 -18.9 Dark Up 19.3 142.1 Really Low 04:54:20 - 05:24:20 6411
Bishop 05:09:24 -17.7 AT Up 18.1 140.9 Really Low 04:54:24 - 05:24:24 6405
Patrick 05:09:15 -21.5 Dark Up 21.8 144.2 Low 04:54:15 - 05:24:15 6377
Laughlin/Bullhead City 05:09:17 -21.3 Dark Up 21.7 143.5 Low 04:54:17 - 05:24:17 6348
George/Scottsdale 05:08:56 -23.8 Dark Up 24.1 145.4 Low 04:53:56 - 05:23:56 6319
Lake Havasu City 05:09:18 -22.0 Dark Up 22.4 143.6 Low 04:54:18 - 05:24:18 6311
Idyllwild 05:09:26 -21.4 Dark Up 21.8 141.4 Low 04:54:26 - 05:24:26 6217
Calipatria 05:09:24 -22.5 Dark Up 22.9 142.2 Low 04:54:24 - 05:24:24 6200
Wildwood 05:09:31 -20.1 Dark Up 20.5 140.0 Low 04:54:31 - 05:24:31 6200
Yuma 05:09:22 -23.3 Dark Up 23.7 142.9 Low 04:54:22 - 05:24:22 6190

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 119951, (2029/06/27 05:08UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 25.54  40
Nunki          18:55:15.9 -26:17:49  2.0  8.18   9
PPM 268291     18:21:31.4 -24:54:54  6.0  1.48  15
PPM 268300     18:21:58.8 -23:16:30  8.5  0.19  15
PPM 268294     18:21:45.4 -23:26:34  9.4  0.06  15
119951         18:21:29.5 -23:25:57 17.0        15
Positions are for J2000

Event circumstances last updated at 2024/02/28 03:11:02 UT

Marc W. Buie, Southwest Research Institute

RECON