RECON: TNO occultation with 119951

Event between (119951) 02KX14 and star GA0660:18254233 with event index number of 2113072

Geocentric closest approach at 2023/05/26 10:01:49 UTC

J2000 position of star is 17:44:19.0 -23:32:18
Equinox of date position of star is 17:45:44.1 -23:32:49
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 125 degrees from the moon. Moon is 39% 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 22.4 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 122 seconds.
The 1-sigma cross-track error in the shadow position is 1382 km.
The sky-plane scale is 27490.9 km/arcsec.

The object has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 30.7 sec chord
Diameter=282.4 km assuming a 30% albedo -- 12.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 119951, (2023/05/26 10:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.8 -26:28:55  0.9 17.20 108
35Eta Oph      17:11:43.3 -15:45:08  2.6 11.17 115
PPM 267309     17:49:10.5 -22:29:04  6.1  1.32 125
PPM 267163     17:43:45.6 -23:21:31  7.7  0.49 124
PPM 267209     17:45:43.2 -23:45:54  9.4  0.22 125
119951         17:45:44.5 -23:32:49 16.4       125
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 0.0 km RECON observability=0.7 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)
Kamloops 10:01:33 -13.3 AT Down 15.5 187.3 Really Low 09:50:53 - 10:12:12 9435
Kelowna 10:01:29 -13.7 AT Down 16.2 188.2 Really Low 09:50:49 - 10:12:08 9408
Peachland 10:01:31 -13.9 AT Down 16.3 187.9 Really Low 09:50:51 - 10:12:10 9406
Sleaford 10:00:51 -6.9 NT Down 12.0 200.5 Really Low 09:50:12 - 10:11:31 9403
Summerland 10:01:30 -14.0 AT Down 16.5 188.0 Really Low 09:50:51 - 10:12:10 9401
Penticton 10:01:29 -14.0 AT Down 16.5 188.1 Really Low 09:50:50 - 10:12:09 9398
Oliver 10:01:29 -14.3 AT Down 16.9 188.1 Really Low 09:50:50 - 10:12:09 9386
Anarchist Mountain Observatory 10:01:29 -14.4 AT Down 17.0 188.3 Really Low 09:50:49 - 10:12:08 9381
Victoria 10:01:42 -16.1 AT Down 17.8 184.5 Really Low 09:51:02 - 10:12:21 9369
Okanogan 10:01:28 -15.0 AT Down 17.7 188.1 Really Low 09:50:48 - 10:12:07 9359
Brewster 10:01:29 -15.3 AT Down 18.0 187.9 Really Low 09:50:50 - 10:12:09 9350
Manson/Chelan 10:01:31 -15.6 AT Down 18.2 187.6 Really Low 09:50:51 - 10:12:10 9343
Wenatchee 10:01:31 -16.1 AT Down 18.7 187.4 Really Low 09:50:51 - 10:12:10 9327
Ellensburg 10:01:31 -16.5 AT Down 19.1 187.3 Really Low 09:50:52 - 10:12:11 9312
Yakima 10:01:31 -16.9 AT Down 19.5 187.3 Really Low 09:50:52 - 10:12:11 9297
Toppenish/White Swan 10:01:30 -17.0 AT Down 19.7 187.4 Really Low 09:50:51 - 10:12:10 9288
PNWRO 10:01:25 -16.8 AT Down 20.0 188.9 Really Low 09:50:46 - 10:12:05 9271
The Dalles 10:01:33 -18.0 AT Down 20.6 186.7 Low 09:50:53 - 10:12:12 9259
Maupin 10:01:31 -18.3 Dark Down 21.0 186.8 Low 09:50:52 - 10:12:11 9243
Sisters 10:01:34 -19.2 Dark Down 21.9 186.4 Low 09:50:55 - 10:12:14 9208
Bend 10:01:33 -19.3 Dark Down 22.1 186.6 Low 09:50:53 - 10:12:12 9197
Oregon Observatory 10:01:33 -19.5 Dark Down 22.3 186.5 Low 09:50:53 - 10:12:12 9190
Chiloquin 10:01:34 -20.8 Dark Down 23.6 186.2 Low 09:50:54 - 10:12:13 9133
Klamath Falls 10:01:34 -21.1 Dark Down 24.0 186.3 Low 09:50:54 - 10:12:13 9118
Cedarville 10:01:27 -21.1 Dark Down 24.5 187.9 Low 09:50:48 - 10:12:07 9083
Fall River/Burney 10:01:32 -22.0 Dark Down 25.1 186.7 Low 09:50:53 - 10:12:12 9062
Greenville 10:01:30 -22.6 Dark Down 26.0 187.2 Low 09:50:51 - 10:12:10 9018
Gimple 10:01:29 -22.6 Dark Down 26.0 187.3 Low 09:50:50 - 10:12:09 9017
Quincy 10:01:30 -22.8 Dark Down 26.2 187.2 Low 09:50:50 - 10:12:09 9007
Portola 10:01:28 -22.7 Dark Down 26.3 187.7 Low 09:50:48 - 10:12:07 9001
Reno 10:01:25 -22.7 Dark Down 26.5 188.4 Low 09:50:46 - 10:12:05 8986
Carson City 10:01:25 -23.0 Dark Down 26.8 188.4 Low 09:50:46 - 10:12:05 8968
Yerington 10:01:22 -22.9 Dark Down 26.9 189.1 Low 09:50:43 - 10:12:02 8956
Gardnerville 10:01:25 -23.2 Dark Down 27.0 188.5 Low 09:50:45 - 10:12:04 8955
Hawthorne 10:01:19 -23.0 Dark Down 27.3 189.6 Low 09:50:40 - 10:11:59 8930
Dunrhomin 10:00:33 -15.3 AT Down 22.8 202.5 Low 09:49:53 - 10:11:12 8923
Nikitin 10:00:33 -15.5 AT Down 23.0 202.5 Low 09:49:53 - 10:11:12 8914
CU-SBO 10:00:33 -15.6 AT Down 23.1 202.4 Low 09:49:54 - 10:11:13 8912
Lee Vining 10:01:21 -23.7 Dark Down 27.9 189.2 Low 09:50:41 - 10:12:00 8903
Bishop 10:01:19 -23.9 Dark Down 28.4 190.0 Low 09:50:39 - 10:11:58 8868
Beatty 10:01:12 -23.6 Dark Down 28.6 191.7 Low 09:50:33 - 10:11:52 8836
Patrick 10:01:00 -23.4 Dark Down 29.6 194.8 Low 09:50:20 - 10:11:39 8737
Laughlin/Bullhead City 10:01:03 -24.0 Dark Down 29.9 194.1 Low 09:50:23 - 10:11:42 8726
Lake Havasu City 10:01:01 -24.4 Dark Down 30.6 194.5 Up 09:50:22 - 10:11:41 8685
Wildwood 10:01:18 -26.7 Dark Down 31.7 190.1 Up 09:50:38 - 10:11:57 8682
Idyllwild 10:01:10 -26.1 Dark Down 31.7 192.1 Up 09:50:31 - 10:11:50 8654
George/Scottsdale 10:00:51 -23.7 Dark Down 30.8 197.1 Up 09:50:11 - 10:11:30 8622
Calipatria 10:01:05 -26.1 Dark Down 32.1 193.4 Up 09:50:26 - 10:11:45 8610
Yuma 10:01:01 -25.9 Dark Down 32.4 194.4 Up 09:50:22 - 10:11:41 8578

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, (2023/05/26 10:02UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.20 108
35Eta Oph      17:10:22.7 -15:43:29  2.6 11.17 115
PPM 267309     17:47:45.6 -22:28:40  6.1  1.32 125
PPM 267163     17:42:20.1 -23:20:56  7.7  0.49 124
PPM 267209     17:44:17.5 -23:45:23  9.4  0.22 125
119951         17:44:19.0 -23:32:18 16.4       125
Positions are for J2000

Event circumstances last updated at 2023/04/18 02:25:58 UT

Marc W. Buie, Southwest Research Institute

RECON