RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA0960:03279933 with event index number of 2366656

Geocentric closest approach at 2028/11/03 10:24:01 UTC

J2000 position of star is 08:09:02.7 +07:43:41
Equinox of date position of star is 08:10:19.9 +07:39:24
Stellar brightness G=13.7, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 71 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=23.4

[RECON map]
Object is 22.6 AU from the Sun and 22.4 AU from the Earth.
Apparent velocity is 7.6 km/sec on the sky relative to the star, or, 1.7 arcsec/hr.
The 1-sigma error in the time of the event is 171 seconds.
The 1-sigma cross-track error in the shadow position is 2050 km.
The sky-plane scale is 16246.1 km/arcsec.

The object has an absolute magnitude Hv=9.6
Diameter=71.8 km assuming a 5% albedo -- 9.5 sec chord
Diameter=29.3 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2028/11/03 10:24UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:04.9 +27:57:15  1.1 21.06  60
PPM 153749     08:03:24.6 +08:49:56  6.2  2.14  69
PPM 153954     08:10:34.3 +07:57:12  7.8  0.31  71
PPM 153950     08:10:23.4 +07:38:39  9.4  0.05  71
11UQ62         08:10:35.8 +07:38:31 13.7        71
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 7.8 km RECON observability=1.0 and success probability=20.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Wildwood 10:17:27 -49.5 Dark Up 42.3 113.3 Up 10:02:44 - 10:32:10 -662
Quincy 10:16:13 -49.3 Dark Up 37.9 115.5 Up 10:01:30 - 10:30:56 -762
Greenville 10:16:09 -49.2 Dark Up 37.8 115.6 Up 10:01:26 - 10:30:52 -771
Gimple 10:16:08 -49.2 Dark Up 37.9 115.7 Up 10:01:25 - 10:30:51 -776
Idyllwild 10:17:32 -48.1 Dark Up 43.9 114.7 Up 10:02:49 - 10:32:15 -777
Lee Vining 10:16:36 -48.8 Dark Up 40.1 115.7 Up 10:01:53 - 10:31:19 -783
Portola 10:16:12 -49.0 Dark Up 38.3 115.8 Up 10:01:29 - 10:30:55 -784
Gardnerville 10:16:23 -48.9 Dark Up 39.2 115.9 Up 10:01:40 - 10:31:06 -788
Fall River/Burney 10:15:57 -49.2 Dark Up 37.1 115.8 Up 10:01:14 - 10:30:40 -788
Carson City 10:16:20 -48.8 Dark Up 39.1 116.0 Up 10:01:37 - 10:31:03 -796
Bishop 10:16:44 -48.4 Dark Up 40.9 116.0 Up 10:02:01 - 10:31:27 -805
Reno 10:16:16 -48.7 Dark Up 38.9 116.2 Up 10:01:33 - 10:30:59 -811
Klamath Falls 10:15:42 -48.9 Dark Up 36.3 116.1 Up 10:00:59 - 10:30:25 -825
Yerington 10:16:24 -48.4 Dark Up 39.6 116.4 Up 10:01:41 - 10:31:07 -826
Chiloquin 10:15:38 -48.8 Dark Up 36.1 116.3 Up 10:00:55 - 10:30:21 -838
Hawthorne 10:16:30 -48.2 Dark Up 40.2 116.6 Up 10:01:47 - 10:31:13 -839
Calipatria 10:17:39 -47.3 Dark Up 45.0 115.2 Up 10:02:56 - 10:32:22 -840
Cedarville 10:15:51 -48.1 Dark Up 37.7 117.2 Up 10:01:08 - 10:30:34 -883
Yuma 10:17:48 -46.6 Dark Up 45.9 115.7 Up 10:03:05 - 10:32:31 -890
Beatty 10:16:51 -47.3 Dark Up 42.3 117.1 Up 10:02:08 - 10:31:34 -893
Oregon Observatory 10:15:24 -47.9 Dark Up 35.7 117.5 Up 10:00:41 - 10:30:07 -929
Sisters 10:15:19 -47.7 Dark Up 35.4 117.6 Up 10:00:36 - 10:30:02 -944
Bend 10:15:20 -47.7 Dark Up 35.7 117.7 Up 10:00:37 - 10:30:03 -946
Lake Havasu City 10:17:24 -46.0 Dark Up 45.3 117.5 Up 10:02:41 - 10:32:07 -973
Laughlin/Bullhead City 10:17:15 -46.1 Dark Up 44.8 117.8 Up 10:02:32 - 10:31:58 -978
Maupin 10:15:07 -47.0 Dark Up 35.3 118.6 Up 10:00:24 - 10:29:50 -1018
The Dalles 10:15:04 -46.9 Dark Up 35.0 118.7 Up 10:00:21 - 10:29:47 -1035
Patrick 10:17:10 -45.5 Dark Up 45.1 118.7 Up 10:02:27 - 10:31:53 -1037
Victoria 10:14:30 -46.5 Dark Up 32.2 118.2 Up 09:59:47 - 10:29:13 -1088
Toppenish/White Swan 10:14:54 -46.0 Dark Up 35.1 119.9 Up 10:00:11 - 10:29:37 -1120
Yakima 10:14:51 -46.0 Dark Up 34.9 119.8 Up 10:00:08 - 10:29:34 -1123
George/Scottsdale 10:17:35 -44.2 Dark Up 47.5 119.3 Up 10:02:52 - 10:32:18 -1127
Ellensburg 10:14:48 -45.8 Dark Up 34.7 120.1 Up 10:00:05 - 10:29:31 -1146
Wenatchee 10:14:44 -45.4 Dark Up 34.6 120.5 Up 10:00:01 - 10:29:27 -1180
PNWRO 10:15:00 -45.3 Dark Up 36.2 121.1 Up 10:00:17 - 10:29:43 -1182
Manson/Chelan 10:14:37 -45.1 Dark Up 34.4 121.0 Up 09:59:54 - 10:29:20 -1215
Brewster 10:14:35 -44.8 Dark Up 34.5 121.4 Up 09:59:52 - 10:29:18 -1246
Okanogan 10:14:34 -44.5 Dark Up 34.5 121.8 Up 09:59:51 - 10:29:17 -1272
Oliver 10:14:24 -44.1 Dark Up 34.0 122.2 Up 09:59:41 - 10:29:07 -1319
Anarchist Mountain Observatory 10:14:26 -44.0 Dark Up 34.2 122.3 Up 09:59:43 - 10:29:09 -1319
Summerland 10:14:18 -43.9 Dark Up 33.7 122.3 Up 09:59:35 - 10:29:01 -1337
Penticton 10:14:19 -43.9 Dark Up 33.8 122.4 Up 09:59:36 - 10:29:02 -1339
Peachland 10:14:17 -43.9 Dark Up 33.6 122.3 Up 09:59:34 - 10:29:00 -1341
Kelowna 10:14:19 -43.6 Dark Up 33.7 122.7 Up 09:59:36 - 10:29:02 -1362
Kamloops 10:14:10 -43.7 Dark Up 32.8 122.2 Up 09:59:27 - 10:28:53 -1365
CU-SBO 10:16:17 -38.0 Dark Up 47.9 131.9 Up 10:01:34 - 10:31:00 -1814
Nikitin 10:16:16 -37.9 Dark Up 47.9 132.0 Up 10:01:33 - 10:30:59 -1822
Dunrhomin 10:16:11 -37.8 Dark Up 47.8 132.2 Up 10:01:28 - 10:30:54 -1829
Sleaford 10:13:57 -35.1 Dark Up 38.7 138.4 Up 09:59:14 - 10:28:40 -2218

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 11UQ62, (2028/11/03 10:24UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 21.06  60
PPM 153749     08:01:50.7 +08:54:51  6.2  2.14  69
PPM 153954     08:09:01.0 +08:02:22  7.8  0.31  71
PPM 153950     08:08:50.3 +07:43:49  9.4  0.05  71
11UQ62         08:09:02.7 +07:43:41 13.7        71
Positions are for J2000

Event circumstances last updated at 2023/12/03 04:32:18 UT

Marc W. Buie, Southwest Research Institute

RECON