RECON: TNO occultation with 14JE80

Event between 14JE80 and star GA0700:33355852 with event index number of 2487392

Geocentric closest approach at 2023/06/02 11:19:46 UTC

J2000 position of star is 19:33:54.2 -18:14:42
Equinox of date position of star is 19:35:15.2 -18:11:35
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 63 degrees from the moon. Moon is 96% illuminated.
Apparent brightness V=22.6

[RECON map]
Object is 18.8 AU from the Sun and 18.0 AU from the Earth.
Apparent velocity is 14.5 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 435 seconds.
The 1-sigma cross-track error in the shadow position is 4256 km.
The sky-plane scale is 13085.6 km/arcsec.

The object has an absolute magnitude Hv=9.7
Diameter=70.1 km assuming a 5% albedo -- 4.8 sec chord
Diameter=28.6 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14JE80, (2023/06/02 11:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.8 -26:28:55  0.9 43.21  20
Nunki          18:56:42.9 -26:15:56  2.0 12.02  53
PPM 236251     19:38:24.8 -18:10:38  5.7  0.75  63
PPM 236206     19:36:18.2 -18:42:48  8.3  0.58  63
PPM 236160     19:34:48.5 -18:05:14  9.6  0.15  63
14JE80         19:35:15.7 -18:11:34 16.6        63
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 2.1 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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 11:16:56 -5.2 CT Down 20.9 186.2 Low 11:01:56 - 11:31:56 8909
Victoria 11:17:09 -8.1 NT Down 23.2 183.2 Low 11:02:09 - 11:32:09 8903
Peachland 11:16:52 -5.5 CT Down 21.8 186.8 Low 11:01:52 - 11:31:52 8854
Kelowna 11:16:51 -5.3 CT Down 21.6 187.1 Low 11:01:51 - 11:31:51 8850
Summerland 11:16:51 -5.6 CT Down 21.9 186.9 Low 11:01:51 - 11:31:51 8845
Penticton 11:16:51 -5.6 CT Down 21.9 187.0 Low 11:01:51 - 11:31:51 8839
Oliver 11:16:51 -5.9 CT Down 22.3 187.0 Low 11:01:51 - 11:31:51 8823
Anarchist Mountain Observatory 11:16:51 -5.9 CT Down 22.5 187.2 Low 11:01:51 - 11:31:51 8811
Okanogan 11:16:52 -6.4 NT Down 23.1 187.1 Low 11:01:52 - 11:31:52 8788
Manson/Chelan 11:16:54 -7.0 NT Down 23.6 186.5 Low 11:01:54 - 11:31:54 8783
Brewster 11:16:53 -6.7 NT Down 23.4 186.9 Low 11:01:53 - 11:31:53 8782
Wenatchee 11:16:56 -7.4 NT Down 24.1 186.4 Low 11:01:56 - 11:31:56 8766
Ellensburg 11:16:57 -7.8 NT Down 24.5 186.1 Low 11:01:57 - 11:31:57 8754
Yakima 11:16:58 -8.1 NT Down 24.9 186.2 Low 11:01:58 - 11:31:58 8735
Toppenish/White Swan 11:16:58 -8.2 NT Down 25.2 186.3 Low 11:01:58 - 11:31:58 8720
The Dalles 11:17:02 -9.1 NT Down 26.0 185.6 Low 11:02:02 - 11:32:02 8706
Maupin 11:17:01 -9.4 NT Down 26.4 185.7 Low 11:02:01 - 11:32:01 8683
PNWRO 11:16:51 -7.7 NT Down 25.4 187.9 Low 11:01:51 - 11:31:51 8657
Sisters 11:17:06 -10.3 NT Down 27.3 185.2 Low 11:02:06 - 11:32:06 8655
Bend 11:17:04 -10.3 NT Down 27.5 185.5 Low 11:02:04 - 11:32:04 8635
Oregon Observatory 11:17:03 -10.5 NT Down 27.7 185.4 Low 11:02:03 - 11:32:03 8630
Chiloquin 11:17:09 -11.6 NT Up 29.0 185.0 Low 11:02:09 - 11:32:09 8575
Klamath Falls 11:17:08 -11.8 NT Up 29.4 185.1 Low 11:02:08 - 11:32:08 8554
Sleaford 11:15:55 2.6 Sun up Down 17.5 200.2 Really Low 11:00:55 - 11:30:55 8554
Fall River/Burney 11:17:08 -12.5 AT Up 30.5 185.6 Up 11:02:08 - 11:32:08 8478
Cedarville 11:17:00 -11.5 NT Down 29.9 186.9 Low 11:02:00 - 11:32:00 8465
Greenville 11:17:06 -12.9 AT Up 31.4 186.1 Up 11:02:06 - 11:32:06 8412
Gimple 11:17:06 -12.8 AT Up 31.4 186.2 Up 11:02:06 - 11:32:06 8410
Quincy 11:17:05 -13.0 AT Up 31.6 186.2 Up 11:02:05 - 11:32:05 8401
Portola 11:17:05 -12.8 AT Up 31.7 186.7 Up 11:02:05 - 11:32:05 8378
Reno 11:17:01 -12.7 AT Up 31.9 187.4 Up 11:02:01 - 11:32:01 8341
Carson City 11:17:01 -12.9 AT Up 32.2 187.5 Up 11:02:01 - 11:32:01 8319
Gardnerville 11:17:01 -13.0 AT Up 32.5 187.5 Up 11:02:01 - 11:32:01 8303
Yerington 11:16:58 -12.7 AT Down 32.4 188.2 Up 11:01:58 - 11:31:58 8286
Hawthorne 11:16:56 -12.7 AT Down 32.8 188.8 Up 11:01:56 - 11:31:56 8240
Lee Vining 11:16:59 -13.3 AT Up 33.4 188.3 Up 11:01:59 - 11:31:59 8224
Bishop 11:16:56 -13.3 AT Up 33.9 189.2 Up 11:01:56 - 11:31:56 8161
Beatty 11:16:47 -12.7 AT Down 34.1 191.1 Up 11:01:47 - 11:31:47 8074
Wildwood 11:17:00 -15.6 AT Up 37.1 189.4 Up 11:02:00 - 11:32:00 7958
Laughlin/Bullhead City 11:16:38 -12.5 AT Down 35.4 193.8 Up 11:01:38 - 11:31:38 7881
Patrick 11:16:33 -11.9 NT Down 35.1 194.5 Up 11:01:33 - 11:31:33 7871
Idyllwild 11:16:50 -14.7 AT Up 37.2 191.6 Up 11:01:50 - 11:31:50 7865
Dunrhomin 11:15:46 -3.6 CT Down 28.3 202.7 Low 11:00:46 - 11:30:46 7864
Nikitin 11:15:47 -3.7 CT Down 28.5 202.7 Low 11:00:47 - 11:30:47 7853
CU-SBO 11:15:47 -3.8 CT Down 28.6 202.7 Low 11:00:47 - 11:30:47 7852
Lake Havasu City 11:16:35 -12.7 AT Down 36.0 194.2 Up 11:01:35 - 11:31:35 7826
Calipatria 11:16:44 -14.3 AT Down 37.6 193.0 Up 11:01:44 - 11:31:44 7778
Yuma 11:16:39 -14.0 AT Down 37.8 194.2 Up 11:01:39 - 11:31:39 7714
George/Scottsdale 11:16:23 -11.6 NT Down 36.2 197.1 Up 11:01:23 - 11:31:23 7679

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 14JE80, (2023/06/02 11:20UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 43.21  20
Nunki          18:55:15.9 -26:17:49  2.0 12.02  53
PPM 236251     19:37:03.4 -18:13:52  5.7  0.75  63
PPM 236206     19:34:56.4 -18:45:59  8.3  0.58  63
PPM 236160     19:33:27.1 -18:08:22  9.6  0.15  63
14JE80         19:33:54.2 -18:14:42 16.6        63
Positions are for J2000

Event circumstances last updated at 2023/04/19 02:36:38 UT

Marc W. Buie, Southwest Research Institute

RECON