RECON: TNO occultation with 03TH58

Event between 03TH58 and star GA0980:02062938 with event index number of 1072748

Geocentric closest approach at 2021/11/24 11:49:10 UTC

J2000 position of star is 06:37:09.2 +09:15:19
Equinox of date position of star is 06:38:19.2 +09:14:09
Stellar brightness G=15.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 26 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 36.6 AU from the Sun and 35.8 AU from the Earth.
The TNO is moving 20.6 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 190 seconds.
The 1-sigma cross-track error in the shadow position is 2392 km.
The sky-plane scale is 25978.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=194.1 km assuming a 5% albedo -- 9.4 sec chord
Diameter=79.2 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03TH58, (2021/11/24 11:49UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:21.5 +07:24:34  0.4 10.55  35
Alhena         06:38:58.6 +16:22:43  1.9  7.15  22
14 Mon         06:35:57.5 +07:33:13  6.5  1.78  27
PPM 150882     06:38:35.6 +09:20:25  8.1  0.12  26
03TH58         06:38:21.2 +09:14:07 15.3        26
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 24.6 km RECON observability=1.0 and success probability=16.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 11:47:10 -34.3 Dark Up 45.2 211.4 Up 11:32:10 - 12:02:10 -1466
Kelowna 11:47:09 -34.4 Dark Up 45.6 211.4 Up 11:32:09 - 12:02:09 -1498
Peachland 11:47:10 -34.6 Dark Up 45.8 211.1 Up 11:32:10 - 12:02:10 -1504
Summerland 11:47:10 -34.6 Dark Up 45.9 211.3 Up 11:32:10 - 12:02:10 -1519
Penticton 11:47:10 -34.5 Dark Up 45.9 211.5 Up 11:32:10 - 12:02:10 -1526
Oliver 11:47:09 -34.6 Dark Up 46.2 211.7 Up 11:32:09 - 12:02:09 -1557
Victoria 11:47:22 -37.2 Dark Up 48.0 206.8 Up 11:32:22 - 12:02:22 -1566
Anarchist Mountain Observatory 11:47:08 -34.5 Dark Up 46.3 212.0 Up 11:32:08 - 12:02:08 -1575
Tonasket 11:47:09 -34.6 Dark Up 46.5 212.1 Up 11:32:09 - 12:02:09 -1602
Okanogan 11:47:09 -34.7 Dark Up 46.9 212.1 Up 11:32:09 - 12:02:09 -1630
Brewster 11:47:10 -34.9 Dark Up 47.2 212.0 Up 11:32:10 - 12:02:10 -1652
Manson/Chelan 11:47:10 -35.1 Dark Up 47.5 211.6 Up 11:32:10 - 12:02:10 -1666
Wenatchee 11:47:11 -35.3 Dark Up 48.0 211.6 Up 11:32:11 - 12:02:11 -1707
Ellensburg 11:47:12 -35.5 Dark Up 48.4 211.6 Up 11:32:12 - 12:02:12 -1742
Yakima 11:47:12 -35.6 Dark Up 48.7 211.8 Up 11:32:12 - 12:02:12 -1779
Toppenish/White Swan 11:47:11 -35.5 Dark Up 48.9 212.1 Up 11:32:11 - 12:02:11 -1801
Pasco 11:47:07 -34.6 Dark Up 48.5 214.0 Up 11:32:07 - 12:02:07 -1829
Goldendale 11:47:12 -35.9 Dark Up 49.5 211.9 Up 11:32:12 - 12:02:12 -1846
PNWRO 11:47:06 -34.5 Dark Up 48.6 214.4 Up 11:32:06 - 12:02:06 -1855
The Dalles 11:47:14 -36.1 Dark Up 49.8 211.5 Up 11:32:14 - 12:02:14 -1862
Maupin 11:47:13 -36.1 Dark Up 50.1 211.9 Up 11:32:13 - 12:02:13 -1902
Sisters 11:47:15 -36.6 Dark Up 51.1 211.8 Up 11:32:15 - 12:02:15 -1977
Redmond 11:47:13 -36.3 Dark Up 50.9 212.4 Up 11:32:13 - 12:02:13 -1985
Bend 11:47:14 -36.4 Dark Up 51.2 212.3 Up 11:32:14 - 12:02:14 -2003
Oregon Observatory 11:47:15 -36.5 Dark Up 51.4 212.3 Up 11:32:15 - 12:02:15 -2018
La Pine/Gilchrist 11:47:14 -36.6 Dark Up 51.6 212.3 Up 11:32:14 - 12:02:14 -2036
North Lake 11:47:12 -36.2 Dark Up 51.7 213.5 Up 11:32:12 - 12:02:12 -2086
Chiloquin 11:47:16 -36.9 Dark Up 52.6 212.6 Up 11:32:16 - 12:02:16 -2137
Paisley 11:47:11 -36.0 Dark Up 52.0 214.4 Up 11:32:11 - 12:02:11 -2144
Klamath Falls 11:47:16 -36.9 Dark Up 52.9 212.9 Up 11:32:16 - 12:02:16 -2170
Lakeview 11:47:10 -35.9 Dark Up 52.3 215.0 Up 11:32:10 - 12:02:10 -2195
Cedarville 11:47:09 -35.8 Dark Up 52.8 215.8 Up 11:32:09 - 12:02:09 -2261
Fall River/Burney 11:47:14 -36.7 Dark Up 53.7 214.4 Up 11:32:14 - 12:02:14 -2290
Susanville 11:47:11 -36.2 Dark Up 53.9 216.0 Up 11:32:11 - 12:02:11 -2362
Greenville 11:47:12 -36.4 Dark Up 54.3 215.7 Up 11:32:12 - 12:02:12 -2385
Gimple 11:47:12 -36.4 Dark Up 54.2 215.9 Up 11:32:12 - 12:02:12 -2386
Quincy 11:47:12 -36.4 Dark Up 54.4 215.9 Up 11:32:12 - 12:02:12 -2404
Portola 11:47:10 -36.1 Dark Up 54.3 216.7 Up 11:32:10 - 12:02:10 -2424
Reno 11:47:08 -35.6 Dark Up 54.2 217.9 Up 11:32:08 - 12:02:08 -2460
Carson City 11:47:08 -35.6 Dark Up 54.5 218.2 Up 11:32:08 - 12:02:08 -2495
Gardnerville 11:47:07 -35.6 Dark Up 54.7 218.5 Up 11:32:07 - 12:02:07 -2520
Yerington 11:47:06 -35.1 Dark Up 54.3 219.3 Up 11:32:06 - 12:02:06 -2524
Dunrhomin 11:46:16 -24.6 Dark Up 45.6 235.6 Up 11:31:16 - 12:01:16 -2566
Hawthorne 11:47:03 -34.7 Dark Up 54.4 220.5 Up 11:32:03 - 12:02:03 -2578
Lee Vining 11:47:05 -35.1 Dark Up 55.1 220.3 Up 11:32:05 - 12:02:05 -2627
Tonopah 11:46:58 -33.6 Dark Up 54.1 222.9 Up 11:31:58 - 12:01:58 -2645
Bishop 11:47:02 -34.5 Dark Up 55.2 221.9 Up 11:32:02 - 12:02:02 -2698
Beatty 11:46:56 -33.2 Dark Up 54.7 224.7 Up 11:31:56 - 12:01:56 -2768
Indian Springs 11:46:51 -32.4 Dark Up 54.3 226.5 Up 11:31:51 - 12:01:51 -2816
CPSLO 11:47:11 -36.3 Dark Up 57.9 220.6 Up 11:32:11 - 12:02:11 -2871
Henderson 11:46:49 -31.8 Dark Up 54.2 228.0 Up 11:31:49 - 12:01:49 -2880
Patrick 11:46:45 -30.8 Dark Up 54.0 230.1 Up 11:31:45 - 12:01:45 -2960
Laughlin/Bullhead City 11:46:47 -31.4 Dark Up 54.6 229.4 Up 11:31:47 - 12:01:47 -2975
Kingman/Dolan Springs 11:46:45 -31.0 Dark Up 54.2 230.1 Up 11:31:45 - 12:01:45 -2980
Mohave Valley 11:46:48 -31.4 Dark Up 54.7 229.7 Up 11:31:48 - 12:01:48 -3003
Wildwood 11:47:03 -34.6 Dark Up 57.7 225.0 Up 11:32:03 - 12:02:03 -3027
Lake Havasu City 11:46:46 -31.1 Dark Up 54.8 230.5 Up 11:31:46 - 12:01:46 -3048
Parker 11:46:46 -31.1 Dark Up 55.0 230.9 Up 11:31:46 - 12:01:46 -3085
Idyllwild 11:46:56 -33.0 Dark Up 56.8 228.1 Up 11:31:56 - 12:01:56 -3092
Blythe 11:46:47 -31.3 Dark Up 55.6 231.1 Up 11:31:47 - 12:01:47 -3135
George/Scottsdale 11:46:36 -29.1 Dark Up 53.7 234.4 Up 11:31:36 - 12:01:36 -3161
Calipatria 11:46:51 -32.0 Dark Up 56.5 230.4 Up 11:31:51 - 12:01:51 -3173
Yuma 11:46:48 -31.2 Dark Up 56.2 232.1 Up 11:31:48 - 12:01:48 -3230

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 03TH58, (2021/11/24 11:49UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.55  35
Alhena         06:37:42.8 +16:23:57  1.9  7.15  22
14 Mon         06:34:46.3 +07:34:21  6.5  1.78  27
PPM 150882     06:37:23.5 +09:21:37  8.1  0.12  26
03TH58         06:37:09.2 +09:15:19 15.3        26
Positions are for J2000

Event circumstances last updated at 2021/04/18 22:58:25 UT

Marc W. Buie, Southwest Research Institute

RECON