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 10:23:58 UTC

J2000 position of star is 08:09:02.7 +07:43:41
Equinox of date position of star is 08:10:14.2 +07:39:43
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.
TNO apparent brightness V=23.4

[RECON map]
TNO is 22.6 AU from the Sun and 22.4 AU from the Earth.
The TNO is moving 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 193 seconds.
The 1-sigma cross-track error in the shadow position is 2410 km.
The sky-plane scale is 16246.1 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=72.1 km assuming a 5% albedo -- 9.5 sec chord
Diameter=29.4 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 4.7 sigma about the mid-time.
The median site spacing is 6.7 km RECON observability=1.0 and success probability=16.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Wildwood 10:17:23 -49.6 Dark Up 42.3 113.3 Up 10:02:23 - 10:32:23 -698
Quincy 10:16:09 -49.3 Dark Up 37.9 115.4 Up 10:01:09 - 10:31:09 -798
Greenville 10:16:06 -49.2 Dark Up 37.8 115.6 Up 10:01:06 - 10:31:06 -807
Gimple 10:16:04 -49.2 Dark Up 37.9 115.6 Up 10:01:04 - 10:31:04 -812
Idyllwild 10:17:29 -48.1 Dark Up 43.9 114.7 Up 10:02:29 - 10:32:29 -813
Lee Vining 10:16:32 -48.8 Dark Up 40.1 115.7 Up 10:01:32 - 10:31:32 -820
Portola 10:16:08 -49.1 Dark Up 38.3 115.8 Up 10:01:08 - 10:31:08 -820
Gardnerville 10:16:20 -48.9 Dark Up 39.2 115.9 Up 10:01:20 - 10:31:20 -824
Fall River/Burney 10:15:54 -49.2 Dark Up 37.1 115.7 Up 10:00:54 - 10:30:54 -824
Carson City 10:16:17 -48.8 Dark Up 39.1 116.0 Up 10:01:17 - 10:31:17 -832
Susanville 10:16:01 -48.9 Dark Up 37.9 116.0 Up 10:01:01 - 10:31:01 -837
Bishop 10:16:41 -48.4 Dark Up 40.9 116.0 Up 10:01:41 - 10:31:41 -841
Reno 10:16:12 -48.7 Dark Up 38.9 116.2 Up 10:01:12 - 10:31:12 -847
Klamath Falls 10:15:38 -48.9 Dark Up 36.3 116.1 Up 10:00:38 - 10:30:38 -861
Yerington 10:16:19 -48.4 Dark Up 39.6 116.4 Up 10:01:19 - 10:31:19 -863
Chiloquin 10:15:34 -48.8 Dark Up 36.0 116.3 Up 10:00:34 - 10:30:34 -874
Hawthorne 10:16:26 -48.2 Dark Up 40.2 116.6 Up 10:01:26 - 10:31:26 -875
Calipatria 10:17:38 -47.3 Dark Up 45.0 115.2 Up 10:02:38 - 10:32:38 -876
Cedarville 10:15:48 -48.1 Dark Up 37.7 117.2 Up 10:00:48 - 10:30:48 -919
Yuma 10:17:44 -46.7 Dark Up 45.9 115.7 Up 10:02:44 - 10:32:44 -926
Beatty 10:16:48 -47.4 Dark Up 42.3 117.1 Up 10:01:48 - 10:31:48 -930
Lakeview 10:15:39 -48.0 Dark Up 37.2 117.4 Up 10:00:39 - 10:30:39 -941
Tonopah 10:16:32 -47.4 Dark Up 41.4 117.6 Up 10:01:32 - 10:31:32 -946
North Lake 10:15:26 -47.8 Dark Up 36.3 117.6 Up 10:00:26 - 10:30:26 -963
Oregon Observatory 10:15:19 -47.9 Dark Up 35.7 117.4 Up 10:00:19 - 10:30:19 -966
Sisters 10:15:13 -47.8 Dark Up 35.4 117.6 Up 10:00:13 - 10:30:13 -980
Bend 10:15:18 -47.7 Dark Up 35.7 117.7 Up 10:00:18 - 10:30:18 -982
Indian Springs 10:16:52 -46.6 Dark Up 43.2 117.9 Up 10:01:52 - 10:31:52 -990
Parker 10:17:25 -46.1 Dark Up 45.5 117.2 Up 10:02:25 - 10:32:25 -999
Mohave Valley 10:17:15 -46.2 Dark Up 44.9 117.6 Up 10:02:15 - 10:32:15 -1005
Lake Havasu City 10:17:20 -46.1 Dark Up 45.3 117.5 Up 10:02:20 - 10:32:20 -1009
Laughlin/Bullhead City 10:17:11 -46.1 Dark Up 44.7 117.8 Up 10:02:11 - 10:32:11 -1014
Henderson 10:17:00 -46.2 Dark Up 44.0 118.1 Up 10:02:00 - 10:32:00 -1017
Kingman/Dolan Springs 10:17:11 -45.7 Dark Up 45.1 118.3 Up 10:02:11 - 10:32:11 -1052
Maupin 10:15:05 -47.0 Dark Up 35.3 118.5 Up 10:00:05 - 10:30:05 -1055
The Dalles 10:15:00 -46.9 Dark Up 35.0 118.7 Up 10:00:00 - 10:30:00 -1071
Patrick 10:17:08 -45.5 Dark Up 45.1 118.7 Up 10:02:08 - 10:32:08 -1073
Goldendale 10:14:59 -46.5 Dark Up 35.1 119.2 Up 09:59:59 - 10:29:59 -1103
Victoria 10:14:24 -46.5 Dark Up 32.2 118.1 Up 09:59:24 - 10:29:24 -1124
Toppenish/White Swan 10:14:51 -46.0 Dark Up 35.1 119.9 Up 09:59:51 - 10:29:51 -1156
Yakima 10:14:48 -46.0 Dark Up 34.8 119.8 Up 09:59:48 - 10:29:48 -1159
George/Scottsdale 10:17:32 -44.2 Dark Up 47.5 119.2 Up 10:02:32 - 10:32:32 -1163
Ellensburg 10:14:43 -45.8 Dark Up 34.6 120.1 Up 09:59:43 - 10:29:43 -1182
Wenatchee 10:14:38 -45.4 Dark Up 34.5 120.5 Up 09:59:38 - 10:29:38 -1217
PNWRO 10:14:56 -45.3 Dark Up 36.2 121.1 Up 09:59:56 - 10:29:56 -1218
Manson/Chelan 10:14:33 -45.1 Dark Up 34.4 120.9 Up 09:59:33 - 10:29:33 -1252
Brewster 10:14:33 -44.8 Dark Up 34.5 121.4 Up 09:59:33 - 10:29:33 -1283
Okanogan 10:14:28 -44.5 Dark Up 34.5 121.8 Up 09:59:28 - 10:29:28 -1308
Tonasket 10:14:24 -44.3 Dark Up 34.4 122.1 Up 09:59:24 - 10:29:24 -1335
Oliver 10:14:21 -44.1 Dark Up 34.0 122.2 Up 09:59:21 - 10:29:21 -1355
Anarchist Mountain Observatory 10:14:23 -44.1 Dark Up 34.2 122.3 Up 09:59:23 - 10:29:23 -1355
Summerland 10:14:15 -43.9 Dark Up 33.7 122.3 Up 09:59:15 - 10:29:15 -1373
Penticton 10:14:16 -43.9 Dark Up 33.8 122.4 Up 09:59:16 - 10:29:16 -1375
Peachland 10:14:14 -43.9 Dark Up 33.6 122.3 Up 09:59:14 - 10:29:14 -1377
Kelowna 10:14:13 -43.7 Dark Up 33.7 122.7 Up 09:59:13 - 10:29:13 -1399
Kamloops 10:14:04 -43.7 Dark Up 32.7 122.2 Up 09:59:04 - 10:29:04 -1401
CU-SBO 10:16:09 -38.0 Dark Up 47.9 131.8 Up 10:01:09 - 10:31:09 -1850
Dunrhomin 10:16:10 -37.8 Dark Up 47.8 132.1 Up 10:01:10 - 10:31:10 -1865
Sleaford 10:13:53 -35.2 Dark Up 38.7 138.4 Up 09:58:53 - 10:28:53 -2254

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 2022/02/20 01:08:32 UT

Marc W. Buie, Southwest Research Institute

RECON