RECON: TNO occultation with 119951

Event between (119951) 02KX14 and star GA0660:17979094 with event index number of 2113102

Geocentric closest approach at 2023/06/04 06:18:48 UTC

J2000 position of star is 17:43:32.2 -23:32:00
Equinox of date position of star is 17:44:57.3 -23:32:32
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 12 degrees from the moon. Moon is 100% illuminated.
Apparent brightness V=20.6

[RECON map]
Object is 38.8 AU from the Sun and 37.9 AU from the Earth.
Apparent velocity is 23.8 km/sec on the sky relative to the star, or, 3.1 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 1392 km.
The sky-plane scale is 27456.6 km/arcsec.

The object has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 29.0 sec chord
Diameter=282.4 km assuming a 30% albedo -- 11.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 119951, (2023/06/04 06:19UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.8 -26:28:55  0.9 17.03   5
35Eta Oph      17:11:43.4 -15:45:08  2.6 11.04  11
PPM 267309     17:49:10.6 -22:29:04  6.1  1.43  13
PPM 267163     17:43:45.7 -23:21:31  7.7  0.33  12
PPM 267209     17:45:43.3 -23:45:54  9.4  0.28  12
119951         17:44:57.8 -23:32:33 16.8        12
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 14.1 km RECON observability=0.3 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 06:19:57 -14.9 AT Up 11.4 157.3 Really Low 06:10:04 - 06:29:49 3089
Kamloops 06:20:41 -13.7 AT Up 8.3 144.6 Really Low 06:10:48 - 06:30:33 2803
Kelowna 06:20:41 -14.7 AT Up 9.3 145.3 Really Low 06:10:48 - 06:30:33 2788
Peachland 06:20:41 -14.7 AT Up 9.3 145.1 Really Low 06:10:49 - 06:30:34 2778
Summerland 06:20:42 -14.9 AT Up 9.5 145.1 Really Low 06:10:49 - 06:30:34 2773
Penticton 06:20:41 -15.0 AT Up 9.6 145.2 Really Low 06:10:49 - 06:30:34 2773
Oliver 06:20:42 -15.3 AT Up 9.9 145.2 Really Low 06:10:49 - 06:30:34 2758
Anarchist Mountain Observatory 06:20:42 -15.5 AT Up 10.1 145.4 Really Low 06:10:50 - 06:30:35 2755
Okanogan 06:20:44 -16.0 AT Up 10.5 145.1 Really Low 06:10:51 - 06:30:36 2723
Brewster 06:20:45 -16.2 AT Up 10.7 144.9 Really Low 06:10:53 - 06:30:38 2707
Manson/Chelan 06:20:47 -16.3 AT Up 10.7 144.6 Really Low 06:10:54 - 06:30:39 2691
Wenatchee 06:20:48 -16.7 AT Up 11.0 144.4 Really Low 06:10:55 - 06:30:40 2667
Victoria 06:20:53 -14.8 AT Up 8.9 141.9 Really Low 06:11:00 - 06:30:45 2652
Ellensburg 06:20:49 -17.0 AT Up 11.3 144.2 Really Low 06:10:57 - 06:30:42 2644
PNWRO 06:20:47 -18.4 Dark Up 12.7 145.4 Really Low 06:10:55 - 06:30:40 2632
Yakima 06:20:50 -17.4 AT Up 11.6 144.1 Really Low 06:10:57 - 06:30:42 2625
Toppenish/White Swan 06:20:50 -17.7 AT Up 11.8 144.2 Really Low 06:10:57 - 06:30:42 2618
Dunrhomin 06:20:17 -26.7 Dark Up 22.6 156.6 Low 06:10:24 - 06:30:09 2598
Nikitin 06:20:16 -26.9 Dark Up 22.7 156.6 Low 06:10:24 - 06:30:09 2589
CU-SBO 06:20:17 -26.9 Dark Up 22.8 156.5 Low 06:10:25 - 06:30:10 2584
The Dalles 06:20:53 -18.1 Dark Up 12.1 143.5 Really Low 06:11:01 - 06:30:46 2564
Maupin 06:20:54 -18.6 Dark Up 12.5 143.5 Really Low 06:11:01 - 06:30:46 2547
Sisters 06:20:57 -19.2 Dark Up 13.0 143.0 Really Low 06:11:05 - 06:30:50 2493
Bend 06:20:57 -19.5 Dark Up 13.3 143.2 Really Low 06:11:05 - 06:30:50 2487
Oregon Observatory 06:20:58 -19.6 Dark Up 13.4 143.0 Really Low 06:11:05 - 06:30:50 2475
Chiloquin 06:21:02 -20.7 Dark Up 14.3 142.5 Really Low 06:11:09 - 06:30:54 2397
Klamath Falls 06:21:02 -21.0 Dark Up 14.6 142.5 Really Low 06:11:10 - 06:30:55 2381
Cedarville 06:20:59 -22.2 Dark Up 15.9 143.7 Really Low 06:11:07 - 06:30:52 2379
Fall River/Burney 06:21:03 -22.2 Dark Up 15.7 142.6 Really Low 06:11:11 - 06:30:56 2325
Gimple 06:21:04 -23.2 Dark Up 16.7 142.9 Really Low 06:11:11 - 06:30:56 2286
Greenville 06:21:04 -23.2 Dark Up 16.6 142.9 Really Low 06:11:11 - 06:30:56 2284
Portola 06:21:03 -23.6 Dark Up 17.1 143.2 Really Low 06:11:10 - 06:30:55 2277
Reno 06:21:02 -24.1 Dark Up 17.6 143.7 Really Low 06:11:09 - 06:30:54 2277
Quincy 06:21:04 -23.4 Dark Up 16.8 142.8 Really Low 06:11:11 - 06:30:56 2273
Yerington 06:21:01 -24.8 Dark Up 18.4 144.1 Really Low 06:11:09 - 06:30:54 2260
Carson City 06:21:02 -24.4 Dark Up 17.9 143.6 Really Low 06:11:10 - 06:30:55 2256
Hawthorne 06:21:00 -25.4 Dark Up 19.0 144.5 Really Low 06:11:07 - 06:30:52 2245
Gardnerville 06:21:03 -24.6 Dark Up 18.1 143.6 Really Low 06:11:10 - 06:30:55 2243
Lee Vining 06:21:02 -25.7 Dark Up 19.2 144.0 Really Low 06:11:10 - 06:30:55 2201
Beatty 06:20:57 -27.4 Dark Up 21.2 145.7 Low 06:11:04 - 06:30:49 2190
Bishop 06:21:01 -26.5 Dark Up 20.0 144.4 Low 06:11:08 - 06:30:53 2181
Patrick 06:20:51 -29.7 Dark Up 23.7 147.9 Low 06:10:58 - 06:30:43 2161
Laughlin/Bullhead City 06:20:53 -29.7 Dark Up 23.6 147.2 Low 06:11:01 - 06:30:46 2130
George/Scottsdale 06:20:46 -31.8 Dark Up 26.0 149.2 Low 06:10:53 - 06:30:38 2096
Lake Havasu City 06:20:53 -30.4 Dark Up 24.3 147.3 Low 06:11:01 - 06:30:46 2093
Idyllwild 06:21:02 -30.4 Dark Up 23.8 145.0 Low 06:11:09 - 06:30:54 1992
Calipatria 06:20:59 -31.3 Dark Up 24.9 145.9 Low 06:11:07 - 06:30:52 1978
Wildwood 06:21:07 -29.4 Dark Up 22.6 143.5 Low 06:11:14 - 06:30:59 1970
Yuma 06:20:57 -32.0 Dark Up 25.6 146.5 Low 06:11:04 - 06:30:49 1969

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, (2023/06/04 06:19UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.03   5
35Eta Oph      17:10:22.7 -15:43:29  2.6 11.04  11
PPM 267309     17:47:45.6 -22:28:40  6.1  1.43  13
PPM 267163     17:42:20.1 -23:20:56  7.7  0.33  12
PPM 267209     17:44:17.5 -23:45:23  9.4  0.28  12
119951         17:43:32.2 -23:32:00 16.8        12
Positions are for J2000

Event circumstances last updated at 2023/04/18 02:26:44 UT

Marc W. Buie, Southwest Research Institute

RECON