RECON: TNO occultation with 511130

Event between (511130) 13WV107 and star GA0600:06379627 with event index number of 2262718

Geocentric closest approach at 2026/01/12 11:31:17 UTC

J2000 position of star is 12:30:54.9 -29:24:17
Equinox of date position of star is 12:32:12.7 -29:32:23
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 29 degrees from the moon. Moon is 33% illuminated.
Apparent brightness V=21.1

[RECON map]
Object is 11.9 AU from the Sun and 11.8 AU from the Earth.
Apparent velocity is 13.6 km/sec on the sky relative to the star, or, 5.7 arcsec/hr.
The 1-sigma error in the time of the event is 45 seconds.
The 1-sigma cross-track error in the shadow position is 1109 km.
The sky-plane scale is 8592.7 km/arcsec.

The object has an absolute magnitude Hv=10.0
Diameter=60.3 km assuming a 5% albedo -- 4.5 sec chord
Diameter=24.6 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 511130, (2026/01/12 11:34UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:34.1 -11:17:47  1.0 22.20  19
9Bet Crv       12:35:45.6 -23:32:25  2.6  6.06  28
PPM 290105     12:25:10.1 -30:28:47  6.4  1.80  31
PPM 260410     12:31:11.5 -29:27:20  7.9  0.26  30
PPM 260423     12:31:44.0 -29:23:24  9.8  0.20  29
PPM 260443     12:32:37.7 -29:31:15 10.1  0.08  29
511130         12:32:17.7 -29:32:54 15.1        29
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 72.1 km RECON observability=0.2 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 11:23:39 -33.4 Dark Up 8.0 170.5 Really Low 11:19:24 - 11:27:54 -1621
Dunrhomin 11:24:01 -33.5 Dark Up 19.7 170.8 Really Low 11:19:46 - 11:28:16 -1781
Nikitin 11:24:02 -33.5 Dark Up 19.9 170.8 Really Low 11:19:47 - 11:28:17 -1786
CU-SBO 11:24:01 -33.5 Dark Up 20.0 170.7 Really Low 11:19:46 - 11:28:16 -1794
George/Scottsdale 11:24:21 -38.6 Dark Up 25.0 164.1 Low 11:20:06 - 11:28:36 -2502
Kelowna 11:23:42 -42.2 Dark Up 7.8 158.8 Really Low 11:19:27 - 11:27:57 -2599
Penticton 11:23:43 -42.3 Dark Up 8.1 158.7 Really Low 11:19:28 - 11:27:58 -2618
Summerland 11:23:43 -42.4 Dark Up 8.0 158.6 Really Low 11:19:28 - 11:27:58 -2623
Peachland 11:23:42 -42.4 Dark Up 7.9 158.5 Really Low 11:19:27 - 11:27:57 -2624
Anarchist Mountain Observatory 11:23:44 -42.4 Dark Up 8.7 158.8 Really Low 11:19:29 - 11:27:59 -2625
Kamloops 11:23:42 -42.5 Dark Up 6.9 158.1 Really Low 11:19:27 - 11:27:57 -2627
Oliver 11:23:44 -42.4 Dark Up 8.5 158.7 Really Low 11:19:29 - 11:27:59 -2632
Patrick 11:24:16 -40.3 Dark Up 22.9 162.5 Low 11:20:01 - 11:28:31 -2637
Okanogan 11:23:45 -42.7 Dark Up 9.2 158.6 Really Low 11:19:30 - 11:28:00 -2665
Brewster 11:23:46 -42.9 Dark Up 9.4 158.4 Really Low 11:19:31 - 11:28:01 -2689
Lake Havasu City 11:24:19 -40.6 Dark Up 23.6 162.0 Low 11:20:04 - 11:28:34 -2701
PNWRO 11:23:48 -42.8 Dark Up 11.6 159.1 Really Low 11:19:33 - 11:28:03 -2704
Laughlin/Bullhead City 11:24:17 -40.9 Dark Up 22.9 161.8 Low 11:20:02 - 11:28:32 -2705
Manson/Chelan 11:23:46 -43.2 Dark Up 9.5 158.1 Really Low 11:19:31 - 11:28:01 -2723
Wenatchee 11:23:46 -43.4 Dark Up 9.9 157.9 Really Low 11:19:31 - 11:28:01 -2753
Yuma 11:24:26 -40.9 Dark Up 25.3 161.5 Low 11:20:11 - 11:28:41 -2777
Ellensburg 11:23:47 -43.7 Dark Up 10.2 157.7 Really Low 11:19:32 - 11:28:02 -2784
Toppenish/White Swan 11:23:49 -43.8 Dark Up 10.9 157.8 Really Low 11:19:34 - 11:28:04 -2798
Yakima 11:23:48 -43.8 Dark Up 10.6 157.7 Really Low 11:19:33 - 11:28:03 -2801
Beatty 11:24:12 -42.6 Dark Up 20.7 160.1 Low 11:19:57 - 11:28:27 -2842
Calipatria 11:24:25 -41.6 Dark Up 24.6 160.7 Low 11:20:10 - 11:28:40 -2845
The Dalles 11:23:50 -44.5 Dark Up 11.4 157.1 Really Low 11:19:35 - 11:28:05 -2884
Maupin 11:23:53 -44.5 Dark Up 11.8 157.1 Really Low 11:19:38 - 11:28:08 -2893
Victoria 11:23:47 -45.1 Dark Up 8.1 155.4 Really Low 11:19:32 - 11:28:02 -2918
Idyllwild 11:24:23 -42.6 Dark Up 23.7 159.7 Low 11:20:08 - 11:28:38 -2933
Hawthorne 11:24:08 -43.9 Dark Up 18.7 158.6 Really Low 11:19:53 - 11:28:23 -2945
Bend 11:23:55 -45.0 Dark Up 12.8 156.9 Really Low 11:19:40 - 11:28:10 -2954
Cedarville 11:24:00 -44.7 Dark Up 15.4 157.6 Really Low 11:19:45 - 11:28:15 -2963
Sisters 11:23:54 -45.1 Dark Up 12.5 156.7 Really Low 11:19:39 - 11:28:09 -2964
Bishop 11:24:11 -43.8 Dark Up 19.8 158.7 Really Low 11:19:56 - 11:28:26 -2964
Oregon Observatory 11:23:55 -45.1 Dark Up 12.9 156.7 Really Low 11:19:40 - 11:28:10 -2970
Yerington 11:24:06 -44.3 Dark Up 18.1 158.2 Really Low 11:19:51 - 11:28:21 -2972
Lee Vining 11:24:10 -44.4 Dark Up 19.0 158.1 Really Low 11:19:55 - 11:28:25 -3004
Reno 11:24:05 -44.7 Dark Up 17.4 157.7 Really Low 11:19:50 - 11:28:20 -3006
Carson City 11:24:07 -44.7 Dark Up 17.7 157.7 Really Low 11:19:52 - 11:28:22 -3017
Gardnerville 11:24:07 -44.7 Dark Up 17.9 157.7 Really Low 11:19:52 - 11:28:22 -3022
Portola 11:24:05 -45.2 Dark Up 16.9 157.2 Really Low 11:19:50 - 11:28:20 -3048
Chiloquin 11:23:58 -45.7 Dark Up 14.0 156.3 Really Low 11:19:43 - 11:28:13 -3052
Klamath Falls 11:24:00 -45.7 Dark Up 14.3 156.3 Really Low 11:19:45 - 11:28:15 -3060
Gimple 11:24:05 -45.4 Dark Up 16.5 156.9 Really Low 11:19:50 - 11:28:20 -3068
Greenville 11:24:05 -45.5 Dark Up 16.5 156.8 Really Low 11:19:50 - 11:28:20 -3074
Fall River/Burney 11:24:03 -45.7 Dark Up 15.5 156.5 Really Low 11:19:48 - 11:28:18 -3075
Quincy 11:24:04 -45.5 Dark Up 16.7 156.8 Really Low 11:19:49 - 11:28:19 -3081
Wildwood 11:24:22 -44.2 Dark Up 22.8 158.1 Low 11:20:07 - 11:28:37 -3086

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 511130, (2026/01/12 11:34UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 22.20  19
9Bet Crv       12:34:23.2 -23:23:49  2.6  6.06  28
PPM 290105     12:23:47.9 -30:20:08  6.4  1.80  31
PPM 260410     12:29:48.8 -29:18:43  7.9  0.26  30
PPM 260423     12:30:21.3 -29:14:47  9.8  0.20  29
PPM 260443     12:31:14.9 -29:22:39 10.1  0.08  29
511130         12:30:54.9 -29:24:17 15.1        29
Positions are for J2000

Event circumstances last updated at 2024/06/18 21:23:56 UT

Marc W. Buie, Southwest Research Institute

RECON