RECON: TNO occultation with 119951

Event between (119951) 02KX14 and star GA0660:17333541 with event index number of 2113158

Geocentric closest approach at 2023/06/23 08:50:41 UTC

J2000 position of star is 17:41:45.7 -23:31:14
Equinox of date position of star is 17:43:10.9 -23:31:50
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 117 degrees from the moon. Moon is 23% illuminated.
Apparent brightness V=20.5

[RECON map]
Object is 38.8 AU from the Sun and 37.8 AU from the Earth.
Apparent velocity is 24.4 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 105 seconds.
The 1-sigma cross-track error in the shadow position is 1374 km.
The sky-plane scale is 27437.9 km/arcsec.

The object has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 28.2 sec chord
Diameter=282.4 km assuming a 30% albedo -- 11.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 119951, (2023/06/23 08:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.0 -26:28:55  0.9 16.64 101
35Eta Oph      17:11:43.6 -15:45:08  2.6 10.74 108
PPM 267309     17:49:10.8 -22:29:04  6.1  1.73 118
PPM 267163     17:43:45.8 -23:21:31  7.7  0.22 117
PPM 267144     17:42:34.0 -23:29:05  9.2  0.15 116
119951         17:43:11.5 -23:31:50 16.0       117
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=0.6 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 08:49:59 -15.2 AT Down 14.1 197.0 Really Low 08:40:45 - 08:59:14 8578
Kelowna 08:49:56 -15.9 AT Down 14.7 197.8 Really Low 08:40:41 - 08:59:10 8546
Peachland 08:49:57 -16.0 AT Down 14.9 197.6 Really Low 08:40:42 - 08:59:11 8545
Summerland 08:49:56 -16.2 AT Down 15.0 197.7 Really Low 08:40:41 - 08:59:10 8539
Penticton 08:49:55 -16.2 AT Down 15.1 197.8 Really Low 08:40:41 - 08:59:10 8536
Victoria 08:50:05 -17.6 AT Down 16.7 194.3 Really Low 08:40:51 - 08:59:20 8525
Oliver 08:49:55 -16.6 AT Down 15.4 197.8 Really Low 08:40:40 - 08:59:09 8524
Anarchist Mountain Observatory 08:49:54 -16.7 AT Down 15.5 198.0 Really Low 08:40:40 - 08:59:09 8518
Okanogan 08:49:55 -17.4 AT Down 16.2 197.8 Really Low 08:40:40 - 08:59:09 8496
Brewster 08:49:55 -17.7 AT Down 16.5 197.7 Really Low 08:40:40 - 08:59:09 8488
Sleaford 08:49:25 -11.2 NT Down 9.3 209.7 Really Low 08:40:10 - 08:58:39 8484
Manson/Chelan 08:49:55 -17.9 AT Down 16.8 197.4 Really Low 08:40:41 - 08:59:10 8483
Wenatchee 08:49:55 -18.4 Dark Down 17.2 197.2 Really Low 08:40:40 - 08:59:09 8467
Ellensburg 08:49:56 -18.8 Dark Down 17.7 197.1 Really Low 08:40:41 - 08:59:10 8453
Yakima 08:49:55 -19.2 Dark Down 18.1 197.1 Really Low 08:40:40 - 08:59:09 8438
Toppenish/White Swan 08:49:55 -19.4 Dark Down 18.2 197.3 Really Low 08:40:40 - 08:59:09 8428
PNWRO 08:49:49 -19.6 Dark Down 18.3 198.7 Really Low 08:40:35 - 08:59:04 8403
The Dalles 08:49:57 -20.3 Dark Down 19.1 196.6 Really Low 08:40:42 - 08:59:11 8402
Maupin 08:49:55 -20.7 Dark Down 19.5 196.7 Really Low 08:40:41 - 08:59:10 8385
Sisters 08:49:56 -21.6 Dark Down 20.5 196.4 Low 08:40:41 - 08:59:10 8352
Bend 08:49:55 -21.8 Dark Down 20.6 196.6 Low 08:40:41 - 08:59:10 8340
Oregon Observatory 08:49:55 -22.0 Dark Down 20.8 196.5 Low 08:40:41 - 08:59:10 8334
Chiloquin 08:49:55 -23.4 Dark Down 22.2 196.3 Low 08:40:41 - 08:59:10 8278
Klamath Falls 08:49:56 -23.7 Dark Down 22.5 196.4 Low 08:40:41 - 08:59:10 8262
Cedarville 08:49:50 -24.1 Dark Down 22.8 198.0 Low 08:40:35 - 08:59:04 8218
Fall River/Burney 08:49:53 -24.8 Dark Down 23.6 196.9 Low 08:40:38 - 08:59:07 8204
Greenville 08:49:50 -25.6 Dark Down 24.3 197.4 Low 08:40:36 - 08:59:05 8156
Gimple 08:49:50 -25.6 Dark Down 24.3 197.5 Low 08:40:35 - 08:59:04 8155
Quincy 08:49:51 -25.8 Dark Down 24.5 197.5 Low 08:40:36 - 08:59:05 8146
Portola 08:49:48 -25.9 Dark Down 24.5 198.0 Low 08:40:33 - 08:59:02 8136
Reno 08:49:46 -26.0 Dark Down 24.6 198.6 Low 08:40:31 - 08:59:00 8118
Carson City 08:49:46 -26.4 Dark Down 25.0 198.7 Low 08:40:32 - 08:59:01 8099
Gardnerville 08:49:45 -26.6 Dark Down 25.2 198.8 Low 08:40:30 - 08:58:59 8086
Yerington 08:49:43 -26.5 Dark Down 25.0 199.3 Low 08:40:29 - 08:58:58 8084
Hawthorne 08:49:42 -26.8 Dark Down 25.3 199.9 Low 08:40:27 - 08:58:56 8055
Lee Vining 08:49:42 -27.5 Dark Down 25.9 199.5 Low 08:40:27 - 08:58:56 8029
Bishop 08:49:39 -27.9 Dark Down 26.3 200.3 Low 08:40:25 - 08:58:54 7990
Dunrhomin 08:49:02 -21.7 Dark Down 19.2 211.9 Really Low 08:39:47 - 08:58:16 7978
Nikitin 08:49:01 -21.9 Dark Down 19.4 211.9 Really Low 08:39:47 - 08:58:16 7969
CU-SBO 08:49:00 -21.9 Dark Down 19.5 211.8 Really Low 08:39:46 - 08:58:15 7966
Beatty 08:49:34 -28.0 Dark Down 26.3 202.0 Low 08:40:19 - 08:58:48 7948
Patrick 08:49:22 -28.8 Dark Down 26.7 205.0 Low 08:40:08 - 08:58:37 7831
Laughlin/Bullhead City 08:49:24 -29.2 Dark Down 27.2 204.4 Low 08:40:10 - 08:58:39 7825
Wildwood 08:49:37 -31.1 Dark Down 29.4 200.7 Low 08:40:23 - 08:58:52 7803
Lake Havasu City 08:49:23 -29.7 Dark Down 27.7 204.8 Low 08:40:08 - 08:58:37 7782
Idyllwild 08:49:30 -31.1 Dark Down 29.2 202.6 Low 08:40:16 - 08:58:45 7764
Calipatria 08:49:26 -31.4 Dark Down 29.4 203.9 Low 08:40:11 - 08:58:40 7712
George/Scottsdale 08:49:14 -29.8 Dark Down 27.5 207.3 Low 08:39:59 - 08:58:28 7704
Yuma 08:49:22 -31.5 Dark Down 29.5 204.9 Low 08:40:07 - 08:58:36 7675

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, (2023/06/23 08:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 16.64 101
35Eta Oph      17:10:22.7 -15:43:29  2.6 10.74 108
PPM 267309     17:47:45.6 -22:28:40  6.1  1.73 118
PPM 267163     17:42:20.1 -23:20:56  7.7  0.22 117
PPM 267144     17:41:08.3 -23:28:28  9.2  0.15 116
119951         17:41:45.7 -23:31:14 16.0       117
Positions are for J2000

Event circumstances last updated at 2023/04/18 02:27:54 UT

Marc W. Buie, Southwest Research Institute

RECON