RECON: TNO occultation with 470593

Event between (470593) 08LP17 and star GA0640:13847012 with event index number of 2270912

Geocentric closest approach at 2022/05/26 11:22:12 UTC

J2000 position of star is 17:21:06.5 -25:15:42
Equinox of date position of star is 17:22:28.6 -25:16:56
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=21.1

[RECON map]
TNO is 30.9 AU from the Sun and 29.9 AU from the Earth.
The TNO is moving 21.6 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 74 seconds.
The 1-sigma cross-track error in the shadow position is 1164 km.
The sky-plane scale is 21707.4 km/arcsec.

The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 16.0 sec chord
Diameter=141.6 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 470593, (2022/05/26 11:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.1 -26:28:47  0.9 11.69 130
35Eta Oph      17:11:39.9 -15:45:04  2.6  9.86 122
PPM 266746     17:23:04.1 -24:55:36  6.5  0.38 119
PPM 266757     17:23:26.3 -25:11:57  9.8  0.23 119
470593         17:22:29.3 -25:16:57 16.6       118
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=0.0 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 11:20:23 -5.6 CT Up 8.5 210.3 Really Low 11:13:43 - 11:27:03 2919
Victoria 11:20:27 -8.5 NT Up 11.3 207.9 Really Low 11:13:47 - 11:27:07 2896
Peachland 11:20:20 -5.9 CT Up 9.1 210.9 Really Low 11:13:40 - 11:27:00 2875
Kelowna 11:20:19 -5.7 CT Up 8.9 211.1 Really Low 11:13:39 - 11:26:59 2874
Summerland 11:20:19 -6.0 CT Up 9.2 210.9 Really Low 11:13:39 - 11:26:59 2868
Penticton 11:20:19 -6.0 CT Up 9.2 211.0 Really Low 11:13:39 - 11:26:59 2864
Oliver 11:20:18 -6.2 NT Up 9.5 211.1 Really Low 11:13:38 - 11:26:58 2851
Anarchist Mountain Observatory 11:20:17 -6.2 NT Up 9.6 211.3 Really Low 11:13:37 - 11:26:57 2841
Tonasket 11:20:17 -6.5 NT Up 9.9 211.2 Really Low 11:13:37 - 11:26:57 2830
Okanogan 11:20:16 -6.8 NT Up 10.2 211.1 Really Low 11:13:36 - 11:26:56 2821
Brewster 11:20:16 -7.1 NT Up 10.5 211.0 Really Low 11:13:36 - 11:26:56 2814
Manson/Chelan 11:20:17 -7.4 NT Up 10.9 210.7 Really Low 11:13:37 - 11:26:57 2813
Wenatchee 11:20:16 -7.8 NT Up 11.3 210.6 Really Low 11:13:36 - 11:26:56 2797
Ellensburg 11:20:16 -8.2 NT Up 11.8 210.4 Really Low 11:13:36 - 11:26:56 2785
Yakima 11:20:15 -8.5 NT Up 12.1 210.5 Really Low 11:13:35 - 11:26:55 2769
Toppenish/White Swan 11:20:14 -8.6 NT Up 12.2 210.6 Really Low 11:13:34 - 11:26:54 2757
Goldendale 11:20:15 -9.1 NT Up 12.9 210.3 Really Low 11:13:35 - 11:26:55 2742
The Dalles 11:20:15 -9.5 NT Up 13.2 210.0 Really Low 11:13:35 - 11:26:55 2739
Maupin 11:20:14 -9.7 NT Up 13.5 210.2 Really Low 11:13:34 - 11:26:54 2719
PNWRO 11:20:09 -8.0 NT Up 12.0 211.9 Really Low 11:13:29 - 11:26:49 2712
Sisters 11:20:14 -10.6 NT Up 14.5 209.9 Really Low 11:13:34 - 11:26:54 2691
Sleaford 11:19:52 2.3 Sun up Up 2.1 222.1 Really Low 11:13:12 - 11:26:32 2676
Bend 11:20:12 -10.6 NT Up 14.6 210.1 Really Low 11:13:32 - 11:26:52 2675
Oregon Observatory 11:20:13 -10.8 NT Up 14.8 210.0 Really Low 11:13:33 - 11:26:53 2670
North Lake 11:20:10 -11.0 NT Up 15.1 210.6 Really Low 11:13:30 - 11:26:50 2630
Chiloquin 11:20:12 -11.9 NT Up 16.1 209.8 Really Low 11:13:32 - 11:26:52 2617
Klamath Falls 11:20:11 -12.1 AT Up 16.3 210.0 Really Low 11:13:31 - 11:26:51 2599
Lakeview 11:20:06 -11.4 NT Up 15.8 211.2 Really Low 11:13:26 - 11:26:46 2568
Fall River/Burney 11:20:08 -12.8 AT Up 17.2 210.5 Really Low 11:13:28 - 11:26:48 2533
Cedarville 11:20:05 -11.8 NT Up 16.3 211.4 Really Low 11:13:25 - 11:26:45 2532
Susanville 11:20:04 -12.8 AT Up 17.5 211.2 Really Low 11:13:24 - 11:26:44 2486
Greenville 11:20:05 -13.1 AT Up 17.8 211.0 Really Low 11:13:25 - 11:26:45 2478
Gimple 11:20:04 -13.1 AT Up 17.8 211.0 Really Low 11:13:24 - 11:26:44 2476
Quincy 11:20:04 -13.3 AT Up 18.0 211.0 Really Low 11:13:24 - 11:26:44 2467
Portola 11:20:03 -13.1 AT Up 17.9 211.4 Really Low 11:13:23 - 11:26:43 2450
Reno 11:20:00 -12.9 AT Up 17.9 212.0 Really Low 11:13:20 - 11:26:40 2422
Carson City 11:19:59 -13.1 AT Up 18.2 212.1 Really Low 11:13:19 - 11:26:39 2403
Gardnerville 11:19:59 -13.3 AT Up 18.4 212.2 Really Low 11:13:19 - 11:26:39 2389
Yerington 11:19:57 -12.9 AT Up 18.1 212.7 Really Low 11:13:17 - 11:26:37 2378
Hawthorne 11:19:54 -12.9 AT Up 18.2 213.2 Really Low 11:13:14 - 11:26:34 2341
Lee Vining 11:19:55 -13.6 AT Up 18.9 212.9 Really Low 11:13:15 - 11:26:35 2321
Tonopah 11:19:49 -12.4 AT Up 18.0 214.4 Really Low 11:13:09 - 11:26:29 2282
Bishop 11:19:52 -13.5 AT Up 19.1 213.6 Really Low 11:13:12 - 11:26:32 2270
Beatty 11:19:45 -12.8 AT Up 18.8 215.0 Really Low 11:13:05 - 11:26:25 2204
Indian Springs 11:19:41 -12.4 AT Up 18.6 216.0 Really Low 11:13:01 - 11:26:21 2159
Henderson 11:19:38 -12.3 AT Up 18.7 216.6 Really Low 11:12:58 - 11:26:18 2109
Dunrhomin 11:19:19 -3.6 CT Up 10.5 223.5 Really Low 11:12:39 - 11:25:59 2093
CU-SBO 11:19:18 -3.8 CT Up 10.7 223.4 Really Low 11:12:38 - 11:25:58 2082
Wildwood 11:19:47 -15.8 AT Up 21.9 214.1 Low 11:13:07 - 11:26:27 2080
Laughlin/Bullhead City 11:19:35 -12.6 AT Up 19.2 217.1 Really Low 11:12:55 - 11:26:15 2045
Patrick 11:19:34 -12.0 NT Up 18.6 217.6 Really Low 11:12:54 - 11:26:14 2043
Kingman/Dolan Springs 11:19:34 -12.2 AT Up 18.9 217.5 Really Low 11:12:54 - 11:26:14 2034
Mohave Valley 11:19:35 -12.7 AT Up 19.4 217.2 Really Low 11:12:55 - 11:26:15 2028
Idyllwild 11:19:40 -14.8 AT Up 21.4 215.7 Low 11:13:00 - 11:26:20 2012
Lake Havasu City 11:19:33 -12.8 AT Up 19.6 217.4 Really Low 11:12:53 - 11:26:13 1997
Parker 11:19:33 -13.0 AT Up 19.8 217.5 Really Low 11:12:53 - 11:26:13 1974
Calipatria 11:19:35 -14.4 AT Up 21.3 216.8 Low 11:12:55 - 11:26:15 1941
Yuma 11:19:32 -14.1 AT Up 21.2 217.6 Low 11:12:52 - 11:26:12 1890
George/Scottsdale 11:19:24 -11.7 NT Up 18.9 219.5 Really Low 11:12:44 - 11:26:04 1882

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 470593, (2022/05/26 11:22UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 11.69 130
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.86 122
PPM 266746     17:21:41.5 -24:54:23  6.5  0.38 119
PPM 266757     17:22:03.5 -25:10:44  9.8  0.23 119
470593         17:21:06.5 -25:15:42 16.6       119
Positions are for J2000

Event circumstances last updated at 2022/03/15 01:02:57 UT

Marc W. Buie, Southwest Research Institute

RECON