RECON: TNO occultation with 556067

Event between (556067) 14JK80 and star GA0860:05178521 with event index number of 2488059

Geocentric closest approach at 2023/06/09 09:32:30 UTC

J2000 position of star is 16:57:56.2 -02:05:09
Equinox of date position of star is 16:59:09.3 -02:07:14
Stellar brightness G=15.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 79 degrees from the moon. Moon is 66% illuminated.
Apparent brightness V=21.6

[RECON map]
Object is 34.2 AU from the Sun and 33.2 AU from the Earth.
Apparent velocity is 23.9 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 66 seconds.
The 1-sigma cross-track error in the shadow position is 1216 km.
The sky-plane scale is 24084.9 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=319.2 km assuming a 5% albedo -- 13.6 sec chord
Diameter=130.3 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 556067, (2023/06/09 09:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.9 -26:28:55  0.9 25.29  80
13Zet Oph      16:38:27.1 -10:36:46  2.6  9.93  81
PPM 179990     17:06:44.8 -00:55:21  5.4  2.24  77
PPM 200207     16:58:52.0 -03:03:06  7.8  0.93  79
PPM 179962     16:58:06.8 -02:05:00  8.9  0.26  79
PPM 179967     16:59:18.0 -02:02:01 10.1  0.09  79
556067         16:59:09.4 -02:07:14 15.0        78
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=0.9 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 09:31:01 -8.3 NT Up 26.3 225.6 Low 09:25:03 - 09:37:00 11149
Kamloops 09:31:33 -13.7 AT Up 32.9 210.9 Up 09:25:34 - 09:37:31 11018
Kelowna 09:31:29 -14.3 AT Up 33.3 212.1 Up 09:25:31 - 09:37:28 10968
Peachland 09:31:30 -14.4 AT Up 33.5 211.9 Up 09:25:31 - 09:37:28 10960
Summerland 09:31:30 -14.5 AT Up 33.6 212.0 Up 09:25:31 - 09:37:28 10950
Penticton 09:31:30 -14.6 AT Up 33.6 212.2 Up 09:25:31 - 09:37:28 10946
Oliver 09:31:28 -14.9 AT Up 33.9 212.3 Up 09:25:30 - 09:37:27 10923
Anarchist Mountain Observatory 09:31:28 -15.0 AT Up 34.0 212.6 Up 09:25:29 - 09:37:26 10912
Okanogan 09:31:28 -15.7 AT Up 34.6 212.5 Up 09:25:29 - 09:37:26 10867
Victoria 09:31:38 -16.4 AT Up 35.7 208.1 Up 09:25:40 - 09:37:37 10863
Brewster 09:31:27 -16.0 AT Up 34.9 212.4 Up 09:25:29 - 09:37:26 10848
Manson/Chelan 09:31:28 -16.3 AT Up 35.2 212.1 Up 09:25:30 - 09:37:27 10832
Wenatchee 09:31:27 -16.7 AT Up 35.7 212.1 Up 09:25:29 - 09:37:26 10799
Ellensburg 09:31:27 -17.2 AT Up 36.1 212.0 Up 09:25:29 - 09:37:26 10769
Yakima 09:31:27 -17.6 AT Up 36.5 212.1 Up 09:25:28 - 09:37:25 10740
Toppenish/White Swan 09:31:26 -17.7 AT Up 36.6 212.4 Up 09:25:27 - 09:37:24 10725
PNWRO 09:31:21 -17.7 AT Up 36.3 214.2 Up 09:25:22 - 09:37:19 10705
The Dalles 09:31:27 -18.6 Dark Up 37.5 211.8 Up 09:25:29 - 09:37:26 10666
Maupin 09:31:26 -19.0 Dark Up 37.9 212.1 Up 09:25:28 - 09:37:25 10636
Sisters 09:31:27 -20.0 Dark Up 38.8 211.8 Up 09:25:29 - 09:37:26 10570
Bend 09:31:25 -20.1 Dark Up 38.9 212.2 Up 09:25:27 - 09:37:24 10553
Oregon Observatory 09:31:25 -20.3 Dark Up 39.1 212.2 Up 09:25:27 - 09:37:24 10540
Chiloquin 09:31:24 -21.7 Dark Up 40.4 212.2 Up 09:25:26 - 09:37:23 10438
Klamath Falls 09:31:24 -21.9 Dark Up 40.6 212.5 Up 09:25:26 - 09:37:23 10412
Cedarville 09:31:18 -22.2 Dark Up 40.6 214.7 Up 09:25:20 - 09:37:17 10365
Fall River/Burney 09:31:21 -22.9 Dark Up 41.5 213.5 Up 09:25:22 - 09:37:19 10321
Dunrhomin 09:30:31 -17.7 AT Up 33.8 231.3 Up 09:24:33 - 09:36:30 10316
Nikitin 09:30:32 -17.9 AT Up 33.9 231.4 Up 09:24:33 - 09:36:30 10301
CU-SBO 09:30:31 -18.0 AT Up 34.0 231.4 Up 09:24:32 - 09:36:29 10296
Gimple 09:31:17 -23.6 Dark Up 42.0 214.6 Up 09:25:19 - 09:37:16 10252
Greenville 09:31:18 -23.7 Dark Up 42.0 214.5 Up 09:25:19 - 09:37:16 10251
Quincy 09:31:18 -23.8 Dark Up 42.2 214.6 Up 09:25:20 - 09:37:17 10235
Portola 09:31:16 -23.8 Dark Up 42.1 215.2 Up 09:25:18 - 09:37:15 10227
Reno 09:31:13 -23.9 Dark Up 42.0 216.1 Up 09:25:15 - 09:37:12 10209
Carson City 09:31:13 -24.2 Dark Up 42.3 216.4 Up 09:25:14 - 09:37:11 10180
Yerington 09:31:10 -24.2 Dark Up 42.2 217.2 Up 09:25:12 - 09:37:09 10166
Gardnerville 09:31:12 -24.4 Dark Up 42.5 216.5 Up 09:25:14 - 09:37:11 10160
Hawthorne 09:31:08 -24.4 Dark Up 42.3 218.1 Up 09:25:10 - 09:37:07 10130
Lee Vining 09:31:09 -25.1 Dark Up 43.0 217.8 Up 09:25:11 - 09:37:08 10082
Bishop 09:31:06 -25.4 Dark Up 43.1 219.0 Up 09:25:07 - 09:37:04 10035
Beatty 09:31:00 -25.3 Dark Up 42.6 221.2 Up 09:25:02 - 09:36:59 10003
Patrick 09:30:48 -25.5 Dark Up 42.1 225.3 Up 09:24:49 - 09:36:46 9888
Laughlin/Bullhead City 09:30:50 -26.0 Dark Up 42.7 224.7 Up 09:24:51 - 09:36:48 9864
Lake Havasu City 09:30:48 -26.5 Dark Up 43.0 225.4 Up 09:24:50 - 09:36:47 9807
Wildwood 09:31:02 -28.5 Dark Up 45.7 220.8 Up 09:25:04 - 09:37:01 9754
George/Scottsdale 09:30:39 -26.1 Dark Up 42.1 228.6 Up 09:24:40 - 09:36:37 9748
Idyllwild 09:30:55 -28.1 Dark Up 44.9 223.3 Up 09:24:56 - 09:36:53 9731
Calipatria 09:30:50 -28.2 Dark Up 44.7 225.0 Up 09:24:51 - 09:36:48 9682
Yuma 09:30:46 -28.2 Dark Up 44.5 226.3 Up 09:24:48 - 09:36:45 9647

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 556067, (2023/06/09 09:34UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 25.29  80
13Zet Oph      16:37:09.6 -10:34:01  2.6  9.93  81
PPM 179990     17:05:32.2 -00:53:32  5.4  2.24  77
PPM 200207     16:57:38.3 -03:01:01  7.8  0.93  79
PPM 179962     16:56:53.6 -02:02:54  8.9  0.26  79
PPM 179967     16:58:04.9 -01:59:57 10.1  0.09  79
556067         16:57:56.2 -02:05:09 15.0        79
Positions are for J2000

Event circumstances last updated at 2023/05/28 03:39:29 UT

Marc W. Buie, Southwest Research Institute

RECON