RECON: TNO occultation with 470083

Event between (470083) 06SG369 and star GA1060:00891577 with event index number of 2218732

Geocentric closest approach at 2026/08/22 09:23:50 UTC

J2000 position of star is 05:19:45.6 +17:50:50
Equinox of date position of star is 05:21:10.2 +17:52:13
Stellar brightness G=14.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 169 degrees from the moon. Moon is 71% illuminated.
Apparent brightness V=23.1

[RECON map]
Object is 33.0 AU from the Sun and 33.3 AU from the Earth.
Apparent velocity is 16.1 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 194 seconds.
The 1-sigma cross-track error in the shadow position is 1638 km.
The sky-plane scale is 24156.6 km/arcsec.

The object has an absolute magnitude Hv=7.7
Diameter=178.7 km assuming a 5% albedo -- 10.8 sec chord
Diameter=72.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 470083, (2026/08/22 09:20UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:27.1 +16:33:39  0.8 10.55 162
Alnath         05:27:58.7 +28:37:39  1.6 10.86 178
111 Tau        05:25:58.7 +17:24:21  5.5  1.21 169
PPM 120840     05:21:53.5 +18:01:06  8.5  0.20 169
PPM 120831     05:21:20.0 +17:48:19 10.6  0.07 169
470083         05:21:18.8 +17:52:21 14.4       169
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 4.6 sigma about the mid-time.
The median site spacing is 15.4 km RECON observability=0.1 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 09:19:40 -25.5 Dark Down 13.9 78.7 Really Low 09:04:40 - 09:34:40 11187
Kelowna 09:19:35 -26.0 Dark Down 14.3 79.1 Really Low 09:04:35 - 09:34:35 11111
Peachland 09:19:35 -26.2 Dark Down 14.1 78.9 Really Low 09:04:35 - 09:34:35 11110
Victoria 09:19:28 -28.2 Dark Down 11.5 76.0 Really Low 09:04:28 - 09:34:28 11107
Summerland 09:19:34 -26.3 Dark Down 14.1 78.9 Really Low 09:04:34 - 09:34:34 11098
Penticton 09:19:34 -26.4 Dark Down 14.2 79.0 Really Low 09:04:34 - 09:34:34 11091
Oliver 09:19:31 -26.7 Dark Down 14.1 78.9 Really Low 09:04:31 - 09:34:31 11066
Anarchist Mountain Observatory 09:19:31 -26.8 Dark Down 14.2 79.0 Really Low 09:04:31 - 09:34:31 11050
Okanogan 09:19:28 -27.5 Dark Down 13.9 78.7 Really Low 09:04:28 - 09:34:28 11009
Brewster 09:19:26 -27.8 Dark Down 13.7 78.5 Really Low 09:04:26 - 09:34:26 10995
Manson/Chelan 09:19:25 -28.1 Dark Down 13.4 78.1 Really Low 09:04:25 - 09:34:25 10988
Sleaford 09:19:55 -20.0 Dark Down 23.0 90.2 Low 09:04:55 - 09:34:55 10980
Wenatchee 09:19:23 -28.6 Dark Down 13.2 77.9 Really Low 09:04:23 - 09:34:23 10958
Ellensburg 09:19:20 -29.0 Dark Down 13.0 77.6 Really Low 09:04:20 - 09:34:20 10934
Yakima 09:19:19 -29.4 Dark Down 12.9 77.5 Really Low 09:04:19 - 09:34:19 10904
Toppenish/White Swan 09:19:18 -29.5 Dark Down 12.9 77.6 Really Low 09:04:18 - 09:34:18 10885
The Dalles 09:19:13 -30.5 Dark Down 12.2 76.9 Really Low 09:04:13 - 09:34:13 10846
PNWRO 09:19:16 -29.5 Dark Down 13.9 78.5 Really Low 09:04:16 - 09:34:16 10822
Maupin 09:19:12 -30.8 Dark Down 12.2 76.9 Really Low 09:04:12 - 09:34:12 10813
Sisters 09:19:08 -31.8 Dark Down 11.6 76.3 Really Low 09:04:08 - 09:34:08 10759
Bend 09:19:07 -31.9 Dark Down 11.8 76.5 Really Low 09:04:07 - 09:34:07 10735
Oregon Observatory 09:19:06 -32.1 Dark Down 11.6 76.3 Really Low 09:04:06 - 09:34:06 10725
Chiloquin 09:19:00 -33.5 Dark Down 11.0 75.8 Really Low 09:04:00 - 09:34:00 10634
Klamath Falls 09:18:58 -33.8 Dark Down 11.0 75.8 Really Low 09:03:58 - 09:33:58 10605
Cedarville 09:18:55 -34.0 Dark Down 12.0 76.6 Really Low 09:03:55 - 09:33:55 10510
Fall River/Burney 09:18:53 -34.8 Dark Down 10.9 75.8 Really Low 09:03:53 - 09:33:53 10503
Greenville 09:18:48 -35.5 Dark Down 11.0 75.9 Really Low 09:03:48 - 09:33:48 10419
Gimple 09:18:49 -35.5 Dark Down 11.1 75.9 Really Low 09:03:49 - 09:33:49 10416
Quincy 09:18:48 -35.7 Dark Down 11.0 75.8 Really Low 09:03:48 - 09:33:48 10402
Portola 09:18:47 -35.7 Dark Down 11.3 76.1 Really Low 09:03:47 - 09:33:47 10380
Reno 09:18:46 -35.7 Dark Down 11.7 76.4 Really Low 09:03:46 - 09:33:46 10341
Carson City 09:18:45 -36.1 Dark Down 11.7 76.4 Really Low 09:03:45 - 09:33:45 10311
Gardnerville 09:18:44 -36.3 Dark Down 11.6 76.3 Really Low 09:03:44 - 09:33:44 10289
Yerington 09:18:42 -36.0 Dark Down 12.1 76.7 Really Low 09:03:42 - 09:33:42 10278
Hawthorne 09:18:42 -36.3 Dark Down 12.4 76.9 Really Low 09:03:42 - 09:33:42 10225
Lee Vining 09:18:40 -37.0 Dark Down 11.9 76.5 Really Low 09:03:40 - 09:33:40 10191
Bishop 09:18:37 -37.3 Dark Down 12.3 76.8 Really Low 09:03:37 - 09:33:37 10121
Beatty 09:18:36 -37.1 Dark Down 13.4 77.6 Really Low 09:03:36 - 09:33:36 10037
Dunrhomin 09:19:00 -29.3 Dark Down 23.0 85.6 Low 09:04:00 - 09:34:00 10021
Nikitin 09:18:59 -29.5 Dark Down 22.9 85.5 Low 09:03:59 - 09:33:59 10005
CU-SBO 09:18:59 -29.6 Dark Down 22.9 85.4 Low 09:03:59 - 09:33:59 10002
Wildwood 09:18:24 -40.3 Dark Down 11.3 76.0 Really Low 09:03:24 - 09:33:24 9843
Patrick 09:18:31 -37.3 Dark Down 15.4 78.8 Really Low 09:03:31 - 09:33:31 9827
Laughlin/Bullhead City 09:18:30 -37.8 Dark Down 14.8 78.4 Really Low 09:03:30 - 09:33:30 9825
Idyllwild 09:18:23 -39.9 Dark Down 12.7 76.9 Really Low 09:03:23 - 09:33:23 9759
Lake Havasu City 09:18:27 -38.2 Dark Down 14.9 78.3 Really Low 09:03:27 - 09:33:27 9758
Calipatria 09:18:21 -39.9 Dark Down 13.6 77.3 Really Low 09:03:21 - 09:33:21 9669
George/Scottsdale 09:18:26 -37.8 Dark Down 16.7 79.4 Really Low 09:03:26 - 09:33:26 9619
Yuma 09:18:20 -39.9 Dark Down 14.2 77.7 Really Low 09:03:20 - 09:33:20 9605

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 470083, (2026/08/22 09:20UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 10.55 162
Alnath         05:26:17.6 +28:36:23  1.6 10.86 178
111 Tau        05:24:25.8 +17:23:01  5.5  1.21 169
PPM 120840     05:20:20.1 +17:59:36  8.5  0.20 169
PPM 120831     05:19:46.8 +17:46:47 10.6  0.07 169
470083         05:19:45.6 +17:50:50 14.4       169
Positions are for J2000

Event circumstances last updated at 2024/03/05 04:39:30 UT

Marc W. Buie, Southwest Research Institute

RECON