RECON: TNO occultation with 14UO224

Event between 14UO224 and star GA1080:02389559 with event index number of 2545791

Geocentric closest approach at 2028/12/11 10:37:20 UTC

J2000 position of star is 06:47:25.0 +19:30:33
Equinox of date position of star is 06:48:49.6 +19:28:53
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon. Moon is 26% illuminated.
Apparent brightness V=21.5

[RECON map]
Object is 37.7 AU from the Sun and 36.8 AU from the Earth.
Apparent velocity is 23.1 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 351 seconds.
The 1-sigma cross-track error in the shadow position is 2464 km.
The sky-plane scale is 26674.1 km/arcsec.

The object has an absolute magnitude Hv=5.7
Diameter=442.6 km assuming a 5% albedo -- 19.1 sec chord
Diameter=180.7 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 14UO224, (2028/12/11 10:37UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:05.3 +27:57:14  1.1 15.72  87
Alhena         06:39:23.0 +16:22:19  1.9  3.87  99
PPM 123009     06:48:03.0 +18:48:17  6.5  0.72  98
PPM 123044     06:49:15.3 +18:54:29  8.3  0.57  97
PPM 123025     06:48:40.5 +19:31:35  9.3  0.12  98
14UO224        06:49:07.4 +19:28:32 16.9        97
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 2.6 sigma about the mid-time.
The median site spacing is 32.8 km RECON observability=1.0 and success probability=14.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:35:56 -39.5 Dark Up 49.1 229.4 Up 10:20:56 - 10:50:56 -2302
Kamloops 10:36:33 -48.3 Dark Down 55.9 210.5 Up 10:21:33 - 10:51:33 -2595
Kelowna 10:36:29 -48.2 Dark Down 56.3 212.5 Up 10:21:29 - 10:51:29 -2662
Peachland 10:36:30 -48.4 Dark Down 56.5 212.2 Up 10:21:30 - 10:51:30 -2676
Summerland 10:36:29 -48.4 Dark Down 56.6 212.4 Up 10:21:29 - 10:51:29 -2689
Penticton 10:36:29 -48.4 Dark Down 56.6 212.6 Up 10:21:29 - 10:51:29 -2694
Oliver 10:36:29 -48.5 Dark Up 56.9 212.9 Up 10:21:29 - 10:51:29 -2727
Anarchist Mountain Observatory 10:36:28 -48.5 Dark Up 56.9 213.4 Up 10:21:28 - 10:51:28 -2741
Okanogan 10:36:28 -48.8 Dark Up 57.6 213.6 Up 10:21:28 - 10:51:28 -2805
Victoria 10:36:39 -51.0 Dark Down 58.7 207.1 Up 10:21:39 - 10:51:39 -2824
Brewster 10:36:28 -49.1 Dark Up 57.9 213.5 Up 10:21:28 - 10:51:28 -2833
Manson/Chelan 10:36:29 -49.4 Dark Up 58.2 213.1 Up 10:21:29 - 10:51:29 -2856
Wenatchee 10:36:29 -49.7 Dark Up 58.6 213.2 Up 10:21:29 - 10:51:29 -2903
Ellensburg 10:36:29 -50.0 Dark Up 59.1 213.2 Up 10:21:29 - 10:51:29 -2945
Yakima 10:36:29 -50.1 Dark Up 59.4 213.6 Up 10:21:29 - 10:51:29 -2985
Toppenish/White Swan 10:36:28 -50.1 Dark Up 59.5 214.1 Up 10:21:28 - 10:51:28 -3004
PNWRO 10:36:23 -49.3 Dark Up 59.2 216.9 Up 10:21:23 - 10:51:23 -3025
The Dalles 10:36:30 -50.9 Dark Up 60.5 213.4 Up 10:21:30 - 10:51:30 -3088
Maupin 10:36:29 -51.0 Dark Up 60.8 214.0 Up 10:21:29 - 10:51:29 -3128
Sisters 10:36:29 -51.6 Dark Up 61.7 214.1 Up 10:21:29 - 10:51:29 -3219
Bend 10:36:28 -51.5 Dark Up 61.8 214.8 Up 10:21:28 - 10:51:28 -3241
Oregon Observatory 10:36:28 -51.7 Dark Up 62.0 214.7 Up 10:21:28 - 10:51:28 -3259
Chiloquin 10:36:28 -52.4 Dark Up 63.3 215.4 Up 10:21:28 - 10:51:28 -3395
Dunrhomin 10:35:32 -40.7 Dark Up 55.3 243.0 Up 10:20:32 - 10:50:32 -3401
Nikitin 10:35:31 -40.7 Dark Up 55.4 243.2 Up 10:20:31 - 10:50:31 -3420
CU-SBO 10:35:31 -40.8 Dark Up 55.5 243.2 Up 10:20:31 - 10:50:31 -3428
Klamath Falls 10:36:28 -52.5 Dark Up 63.5 216.0 Up 10:21:28 - 10:51:28 -3429
Cedarville 10:36:22 -51.5 Dark Up 63.3 219.7 Up 10:21:22 - 10:51:22 -3482
Fall River/Burney 10:36:26 -52.5 Dark Up 64.3 218.1 Up 10:21:26 - 10:51:26 -3544
Gimple 10:36:23 -52.4 Dark Up 64.7 220.3 Up 10:21:23 - 10:51:23 -3631
Greenville 10:36:23 -52.5 Dark Up 64.8 220.1 Up 10:21:23 - 10:51:23 -3632
Quincy 10:36:23 -52.5 Dark Up 64.9 220.4 Up 10:21:23 - 10:51:23 -3653
Portola 10:36:21 -52.2 Dark Up 64.8 221.5 Up 10:21:21 - 10:51:21 -3660
Reno 10:36:18 -51.8 Dark Up 64.6 223.1 Up 10:21:18 - 10:51:18 -3681
Carson City 10:36:19 -51.8 Dark Up 64.9 223.6 Up 10:21:19 - 10:51:19 -3717
Yerington 10:36:16 -51.4 Dark Up 64.7 225.0 Up 10:21:16 - 10:51:16 -3730
Gardnerville 10:36:18 -51.9 Dark Up 65.0 224.1 Up 10:21:18 - 10:51:18 -3742
Hawthorne 10:36:13 -51.1 Dark Up 64.7 226.7 Up 10:21:13 - 10:51:13 -3772
Lee Vining 10:36:14 -51.6 Dark Up 65.4 226.7 Up 10:21:14 - 10:51:14 -3836
Bishop 10:36:11 -51.1 Dark Up 65.4 228.9 Up 10:21:11 - 10:51:11 -3889
Beatty 10:36:05 -49.9 Dark Up 64.7 232.4 Up 10:21:05 - 10:51:05 -3917
Patrick 10:35:53 -47.8 Dark Up 63.6 239.3 Up 10:20:53 - 10:50:53 -4032
Laughlin/Bullhead City 10:35:55 -48.4 Dark Up 64.2 238.7 Up 10:20:55 - 10:50:55 -4068
Lake Havasu City 10:35:53 -48.2 Dark Up 64.4 240.3 Up 10:20:53 - 10:50:53 -4135
George/Scottsdale 10:35:44 -46.2 Dark Up 63.0 244.9 Up 10:20:44 - 10:50:44 -4179
Wildwood 10:36:09 -51.7 Dark Up 67.5 234.4 Up 10:21:09 - 10:51:09 -4234
Idyllwild 10:36:01 -50.2 Dark Up 66.5 238.2 Up 10:21:01 - 10:51:01 -4247
Calipatria 10:35:56 -49.3 Dark Up 65.9 241.1 Up 10:20:56 - 10:50:56 -4296
Yuma 10:35:53 -48.6 Dark Up 65.5 243.2 Up 10:20:53 - 10:50:53 -4329

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 14UO224, (2028/12/11 10:37UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 15.72  87
Alhena         06:37:42.8 +16:23:56  1.9  3.87  99
PPM 123009     06:46:21.1 +18:50:16  6.5  0.72  98
PPM 123044     06:47:33.3 +18:56:31  8.3  0.57  97
PPM 123025     06:46:58.0 +19:33:35  9.3  0.12  98
14UO224        06:47:25.0 +19:30:33 16.9        98
Positions are for J2000

Event circumstances last updated at 2023/12/04 04:24:21 UT

Marc W. Buie, Southwest Research Institute

RECON