RECON: TNO occultation with 11MV11

Event between 11MV11 and star GA0920:00049349 with event index number of 2428483

Geocentric closest approach at 2028/11/13 06:53:56 UTC

J2000 position of star is 00:32:22.0 +03:17:20
Equinox of date position of star is 00:33:30.3 +03:24:40
Stellar brightness G=11.9, use SENSEUP=16 with the MallinCam and and exposure time of 250 milli-seconds with the QHY174 camera.
Star is 174 degrees from the moon. Moon is 15% illuminated.
TNO apparent brightness V=21.8

[RECON map]
TNO is 36.9 AU from the Sun and 36.1 AU from the Earth.
The TNO is moving 16.5 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 255 seconds.
The 1-sigma cross-track error in the shadow position is 3476 km.
The sky-plane scale is 26208.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.1
Diameter=356.5 km assuming a 5% albedo -- 21.6 sec chord
Diameter=145.5 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 11MV11, (2028/11/13 06:51UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:14.2 -29:28:06  1.2 39.96 139
Algenib        00:14:43.6 +15:20:38  2.8 12.79 172
PPM 143688     00:38:59.8 +03:17:36  6.4  1.29 173
PPM 143585     00:33:11.4 +03:54:55  8.4  0.50 175
PPM 143595     00:33:37.6 +03:37:44  9.6  0.19 175
PPM 143586     00:33:16.8 +03:32:30 10.8  0.17 175
11MV11         00:33:51.1 +03:26:53 11.9       174
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 3.5 sigma about the mid-time.
The median site spacing is 25.4 km RECON observability=1.0 and success probability=13.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 06:50:44 -55.6 Dark Down 37.4 215.0 Up 06:35:44 - 07:05:44 2881
Kelowna 06:50:40 -56.6 Dark Down 37.7 216.4 Up 06:35:40 - 07:05:40 2797
Peachland 06:50:41 -56.6 Dark Down 37.9 216.1 Up 06:35:41 - 07:05:41 2793
Sleaford 06:49:57 -56.0 Dark Down 30.4 229.9 Up 06:34:57 - 07:04:57 2780
Summerland 06:50:40 -56.8 Dark Down 38.0 216.3 Up 06:35:40 - 07:05:40 2779
Penticton 06:50:40 -56.9 Dark Down 38.0 216.4 Up 06:35:40 - 07:05:40 2771
Victoria 06:50:54 -56.7 Dark Down 40.3 212.3 Up 06:35:54 - 07:05:54 2755
Oliver 06:50:39 -57.2 Dark Down 38.3 216.6 Up 06:35:39 - 07:05:39 2741
Anarchist Mountain Observatory 06:50:39 -57.4 Dark Down 38.4 216.9 Up 06:35:39 - 07:05:39 2723
Tonasket 06:50:39 -57.7 Dark Down 38.7 217.0 Up 06:35:39 - 07:05:39 2698
Okanogan 06:50:39 -58.0 Dark Down 39.0 216.9 Up 06:35:39 - 07:05:39 2671
Brewster 06:50:40 -58.1 Dark Down 39.3 216.8 Up 06:35:40 - 07:05:40 2652
Manson/Chelan 06:50:41 -58.2 Dark Down 39.6 216.5 Up 06:35:41 - 07:05:41 2640
Wenatchee 06:50:41 -58.6 Dark Down 40.0 216.5 Up 06:35:41 - 07:05:41 2602
Ellensburg 06:50:42 -58.9 Dark Down 40.5 216.5 Up 06:35:42 - 07:05:42 2570
Yakima 06:50:42 -59.3 Dark Down 40.8 216.7 Up 06:35:42 - 07:05:42 2535
Toppenish/White Swan 06:50:41 -59.5 Dark Down 40.9 217.0 Up 06:35:41 - 07:05:41 2513
Goldendale 06:50:42 -59.9 Dark Down 41.5 216.8 Up 06:35:42 - 07:05:42 2472
The Dalles 06:50:43 -60.0 Dark Down 41.8 216.5 Up 06:35:43 - 07:05:43 2459
PNWRO 06:50:35 -60.3 Dark Down 40.6 218.9 Up 06:35:35 - 07:05:35 2452
Maupin 06:50:43 -60.4 Dark Down 42.1 216.8 Up 06:35:43 - 07:05:43 2420
Sisters 06:50:45 -61.0 Dark Down 43.1 216.7 Up 06:35:45 - 07:05:45 2351
Bend 06:50:44 -61.3 Dark Down 43.1 217.1 Up 06:35:44 - 07:05:44 2325
Oregon Observatory 06:50:44 -61.4 Dark Down 43.3 217.1 Up 06:35:44 - 07:05:44 2312
North Lake 06:50:42 -62.1 Dark Down 43.6 218.1 Up 06:35:42 - 07:05:42 2243
Chiloquin 06:50:45 -62.3 Dark Down 44.6 217.3 Up 06:35:45 - 07:05:45 2201
Klamath Falls 06:50:45 -62.7 Dark Down 44.8 217.6 Up 06:35:45 - 07:05:45 2167
Lakeview 06:50:39 -63.2 Dark Down 44.2 219.4 Up 06:35:39 - 07:05:39 2135
Cedarville 06:50:38 -63.9 Dark Down 44.6 220.0 Up 06:35:38 - 07:05:38 2070
Fall River/Burney 06:50:43 -63.8 Dark Down 45.5 218.8 Up 06:35:43 - 07:05:43 2050
Susanville 06:50:40 -64.6 Dark Down 45.7 220.2 Up 06:35:40 - 07:05:40 1976
Greenville 06:50:41 -64.7 Dark Down 46.0 220.0 Up 06:35:41 - 07:05:41 1956
Gimple 06:50:40 -64.8 Dark Down 46.0 220.1 Up 06:35:40 - 07:05:40 1954
Quincy 06:50:41 -64.9 Dark Down 46.2 220.1 Up 06:35:41 - 07:05:41 1937
Portola 06:50:39 -65.2 Dark Down 46.1 220.8 Up 06:35:39 - 07:05:39 1915
Reno 06:50:36 -65.7 Dark Down 45.9 221.8 Up 06:35:36 - 07:05:36 1877
Carson City 06:50:35 -66.0 Dark Down 46.2 222.0 Up 06:35:35 - 07:05:35 1842
Gardnerville 06:50:35 -66.2 Dark Down 46.3 222.3 Up 06:35:35 - 07:05:35 1818
Yerington 06:50:33 -66.4 Dark Down 46.0 222.9 Up 06:35:33 - 07:05:33 1810
Hawthorne 06:50:30 -67.0 Dark Down 46.1 223.9 Up 06:35:30 - 07:05:30 1755
Lee Vining 06:50:32 -67.3 Dark Down 46.7 223.7 Up 06:35:32 - 07:05:32 1711
Tonopah 06:50:24 -68.0 Dark Down 45.6 225.9 Up 06:35:24 - 07:05:24 1680
Dunrhomin 06:49:37 -67.8 Dark Down 37.1 237.0 Up 06:34:37 - 07:04:37 1673
CU-SBO 06:49:37 -68.1 Dark Down 37.3 237.0 Up 06:34:37 - 07:04:37 1651
Bishop 06:50:29 -68.1 Dark Down 46.8 225.0 Up 06:35:29 - 07:05:29 1637
Beatty 06:50:21 -69.2 Dark Down 46.2 227.3 Up 06:35:21 - 07:05:21 1558
Indian Springs 06:50:17 -69.8 Dark Down 45.7 228.8 Up 06:35:17 - 07:05:17 1504
Henderson 06:50:14 -70.6 Dark Down 45.7 230.0 Up 06:35:14 - 07:05:14 1436
Patrick 06:50:08 -71.5 Dark Down 45.4 231.7 Up 06:35:08 - 07:05:08 1352
Laughlin/Bullhead City 06:50:11 -71.5 Dark Down 46.0 231.1 Up 06:35:11 - 07:05:11 1341
Kingman/Dolan Springs 06:50:09 -71.6 Dark Down 45.6 231.6 Up 06:35:09 - 07:05:09 1333
Wildwood 06:50:30 -70.7 Dark Down 49.1 227.4 Up 06:35:30 - 07:05:30 1320
Mohave Valley 06:50:11 -71.7 Dark Down 46.1 231.3 Up 06:35:11 - 07:05:11 1314
Lake Havasu City 06:50:10 -72.2 Dark Down 46.2 231.9 Up 06:35:10 - 07:05:10 1269
Idyllwild 06:50:21 -71.9 Dark Down 48.2 229.9 Up 06:35:21 - 07:05:21 1243
Parker 06:50:10 -72.5 Dark Down 46.4 232.2 Up 06:35:10 - 07:05:10 1233
Calipatria 06:50:15 -72.9 Dark Down 47.9 231.8 Up 06:35:15 - 07:05:15 1156
George/Scottsdale 06:49:59 -73.7 Dark Down 45.1 235.1 Up 06:34:59 - 07:04:59 1140
Yuma 06:50:11 -73.7 Dark Down 47.5 233.1 Up 06:35:11 - 07:05:11 1093

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 11MV11, (2028/11/13 06:51UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 39.96 139
Algenib        00:13:14.2 +15:11:01  2.8 12.79 172
PPM 143688     00:37:30.6 +03:08:06  6.4  1.29 173
PPM 143585     00:31:42.3 +03:45:22  8.4  0.50 175
PPM 143595     00:32:08.5 +03:28:11  9.6  0.19 175
PPM 143586     00:31:47.7 +03:22:57 10.8  0.17 175
11MV11         00:32:22.0 +03:17:20 11.9       174
Positions are for J2000

Event circumstances last updated at 2022/02/21 00:34:37 UT

Marc W. Buie, Southwest Research Institute

RECON