RECON: TNO occultation with 14LU28

Event between 14LU28 and star GA0780:07447183 with event index number of 2506888

Geocentric closest approach at 2023/06/08 07:02:49 UTC

J2000 position of star is 17:43:36.1 -11:34:24
Equinox of date position of star is 17:44:54.1 -11:34:56
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 50 degrees from the moon. Moon is 78% illuminated.
Apparent brightness V=22.5

[RECON map]
Object is 37.4 AU from the Sun and 36.4 AU from the Earth.
Apparent velocity is 24.3 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 335 seconds.
The 1-sigma cross-track error in the shadow position is 5405 km.
The sky-plane scale is 26379.9 km/arcsec.

The object has an absolute magnitude Hv=6.8
Diameter=257.0 km assuming a 5% albedo -- 10.6 sec chord
Diameter=104.9 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14LU28, (2023/06/08 07:03UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.9 -26:28:55  0.9 22.93  64
35Eta Oph      17:11:43.4 -15:45:08  2.6  9.07  57
56Omi Ser      17:42:44.0 -12:53:09  4.4  1.41  50
PPM 233417     17:41:12.3 -11:28:38  8.5  0.91  51
PPM 233514     17:44:55.2 -11:41:27  9.7  0.11  50
14LU28         17:44:54.6 -11:34:56 16.5        50
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 2.7 sigma about the mid-time.
The median site spacing is 22.0 km RECON observability=1.0 and success probability=2.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:03:05 -15.1 AT Down 25.8 169.5 Low 06:48:05 - 07:18:05 11132
Kamloops 07:03:46 -15.4 AT Down 24.4 154.2 Low 06:48:46 - 07:18:46 11048
Kelowna 07:03:44 -16.4 AT Down 25.3 154.9 Low 06:48:44 - 07:18:44 11008
Peachland 07:03:45 -16.4 AT Down 25.4 154.6 Low 06:48:45 - 07:18:45 11002
Summerland 07:03:45 -16.6 AT Down 25.5 154.7 Low 06:48:45 - 07:18:45 10994
Penticton 07:03:45 -16.7 AT Down 25.6 154.8 Low 06:48:45 - 07:18:45 10991
Oliver 07:03:46 -17.0 AT Down 25.9 154.7 Low 06:48:46 - 07:18:46 10972
Anarchist Mountain Observatory 07:03:46 -17.2 AT Down 26.1 154.9 Low 06:48:46 - 07:18:46 10963
Okanogan 07:03:47 -17.8 AT Down 26.7 154.5 Low 06:48:47 - 07:18:47 10927
Victoria 07:03:58 -17.0 AT Down 25.4 150.6 Low 06:48:58 - 07:18:58 10924
Brewster 07:03:48 -18.0 Dark Down 26.8 154.2 Low 06:48:48 - 07:18:48 10911
Manson/Chelan 07:03:50 -18.2 Dark Down 26.9 153.8 Low 06:48:50 - 07:18:50 10899
Wenatchee 07:03:50 -18.6 Dark Down 27.3 153.5 Low 06:48:50 - 07:18:50 10871
Ellensburg 07:03:52 -19.0 Dark Down 27.6 153.2 Low 06:48:52 - 07:18:52 10847
Yakima 07:03:53 -19.4 Dark Down 28.0 153.1 Low 06:48:53 - 07:18:53 10823
Toppenish/White Swan 07:03:52 -19.6 Dark Down 28.2 153.2 Low 06:48:52 - 07:18:52 10811
PNWRO 07:03:49 -20.2 Dark Down 29.0 154.7 Low 06:48:49 - 07:18:49 10794
The Dalles 07:03:56 -20.2 Dark Down 28.7 152.2 Low 06:48:56 - 07:18:56 10762
Maupin 07:03:55 -20.7 Dark Down 29.1 152.2 Low 06:48:55 - 07:18:55 10738
Sisters 07:03:57 -21.4 Dark Down 29.7 151.5 Low 06:48:57 - 07:18:57 10682
Bend 07:03:58 -21.7 Dark Down 30.0 151.7 Low 06:48:58 - 07:18:58 10669
Oregon Observatory 07:03:58 -21.8 Dark Down 30.1 151.5 Up 06:48:58 - 07:18:58 10657
Chiloquin 07:03:58 -23.0 Dark Down 31.1 150.7 Up 06:48:58 - 07:18:58 10572
Klamath Falls 07:03:58 -23.4 Dark Down 31.4 150.6 Up 06:48:58 - 07:18:58 10550
Cedarville 07:03:58 -24.4 Dark Down 32.6 152.2 Up 06:48:58 - 07:18:58 10509
Fall River/Burney 07:03:58 -24.6 Dark Down 32.6 150.7 Up 06:48:58 - 07:18:58 10473
Dunrhomin 07:03:11 -26.9 Dark Up 37.5 169.0 Up 06:48:11 - 07:18:11 10437
Nikitin 07:03:11 -27.1 Dark Up 37.7 169.0 Up 06:48:11 - 07:18:11 10425
CU-SBO 07:03:10 -27.2 Dark Up 37.8 168.9 Up 06:48:10 - 07:18:10 10420
Gimple 07:03:58 -25.6 Dark Down 33.6 151.0 Up 06:48:58 - 07:18:58 10414
Greenville 07:03:58 -25.6 Dark Down 33.5 150.9 Up 06:48:58 - 07:18:58 10414
Quincy 07:03:58 -25.8 Dark Down 33.7 150.8 Up 06:48:58 - 07:18:58 10400
Portola 07:03:58 -26.0 Dark Down 34.0 151.3 Up 06:48:58 - 07:18:58 10393
Reno 07:03:58 -26.4 Dark Down 34.5 151.9 Up 06:48:58 - 07:18:58 10376
Carson City 07:03:58 -26.7 Dark Down 34.8 151.9 Up 06:48:58 - 07:18:58 10351
Yerington 07:03:57 -27.0 Dark Down 35.2 152.5 Up 06:48:57 - 07:18:57 10339
Gardnerville 07:03:58 -26.9 Dark Down 35.0 151.8 Up 06:48:58 - 07:18:58 10334
Hawthorne 07:03:57 -27.6 Dark Down 35.8 152.9 Up 06:48:57 - 07:18:57 10308
Lee Vining 07:03:58 -28.0 Dark Down 36.1 152.2 Up 06:48:58 - 07:18:58 10267
Bishop 07:03:58 -28.7 Dark Down 36.9 152.8 Up 06:48:58 - 07:18:58 10225
Beatty 07:03:53 -29.5 Dark Up 37.9 154.5 Up 06:48:53 - 07:18:53 10195
Patrick 07:03:45 -31.3 Dark Up 40.2 157.4 Up 06:48:45 - 07:18:45 10090
Laughlin/Bullhead City 07:03:47 -31.5 Dark Up 40.2 156.5 Up 06:48:47 - 07:18:47 10070
Lake Havasu City 07:03:47 -32.2 Dark Up 40.9 156.6 Up 06:48:47 - 07:18:47 10019
Wildwood 07:03:58 -31.9 Dark Up 39.7 151.4 Up 06:48:58 - 07:18:58 9979
George/Scottsdale 07:03:39 -33.2 Dark Up 42.4 159.3 Up 06:48:39 - 07:18:39 9962
Idyllwild 07:03:56 -32.6 Dark Up 40.8 153.4 Up 06:48:56 - 07:18:56 9957
Calipatria 07:03:53 -33.3 Dark Up 41.8 154.6 Up 06:48:53 - 07:18:53 9910
Yuma 07:03:50 -33.9 Dark Up 42.5 155.6 Up 06:48:50 - 07:18:50 9878

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 14LU28, (2023/06/08 07:03UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 22.93  64
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.07  57
56Omi Ser      17:41:24.8 -12:52:32  4.4  1.41  50
PPM 233417     17:39:53.9 -11:27:58  8.5  0.91  51
PPM 233514     17:43:36.7 -11:40:55  9.7  0.11  50
14LU28         17:43:36.1 -11:34:24 16.5        50
Positions are for J2000

Event circumstances last updated at 2023/04/19 02:37:26 UT

Marc W. Buie, Southwest Research Institute

RECON