RECON: TNO occultation with 03TJ58

Event between 03TJ58 and star GA1140:02381479 with event index number of 2004514

Geocentric closest approach at 2023/01/11 09:30:43 UTC

J2000 position of star is 06:36:40.0 +24:01:54
Equinox of date position of star is 06:38:03.3 +24:00:40
Stellar brightness G=14.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 61 degrees from the moon. Moon is 83% illuminated.
TNO apparent brightness V=23.6

[RECON map]
TNO is 41.7 AU from the Sun and 40.8 AU from the Earth.
The TNO is moving 24.9 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 261 seconds.
The 1-sigma cross-track error in the shadow position is 1757 km.
The sky-plane scale is 29568.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=195.0 km assuming a 5% albedo -- 7.8 sec chord
Diameter=79.6 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03TJ58, (2023/01/11 09:31UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:43.4 +27:58:07  1.1 15.91  46
Alhena         06:39:02.5 +16:22:40  1.9  7.64  61
PPM 096264     06:38:51.9 +24:34:11  6.5  0.59  61
PPM 096281     06:39:16.5 +23:35:00  7.7  0.51  60
PPM 096246     06:38:04.7 +24:09:18  9.3  0.14  61
03TJ58         06:38:04.4 +24:00:39 14.9        60
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 27.3 km RECON observability=1.0 and success probability=29.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:28:56 -49.8 Dark Up 44.3 250.9 Up 09:13:56 - 09:43:56 100
Kamloops 09:29:22 -57.2 Dark Up 52.9 236.6 Up 09:14:22 - 09:44:22 -331
Kelowna 09:29:18 -57.5 Dark Up 52.9 238.6 Up 09:14:18 - 09:44:18 -388
Peachland 09:29:19 -57.7 Dark Up 53.1 238.4 Up 09:14:19 - 09:44:19 -404
Summerland 09:29:18 -57.8 Dark Up 53.1 238.7 Up 09:14:18 - 09:44:18 -415
Penticton 09:29:18 -57.8 Dark Up 53.1 238.9 Up 09:14:18 - 09:44:18 -419
Oliver 09:29:17 -58.0 Dark Up 53.3 239.3 Up 09:14:17 - 09:44:17 -452
Anarchist Mountain Observatory 09:29:16 -58.1 Dark Up 53.3 239.7 Up 09:14:16 - 09:44:16 -463
Tonasket 09:29:16 -58.4 Dark Up 53.5 240.0 Up 09:14:16 - 09:44:16 -493
Okanogan 09:29:16 -58.7 Dark Up 53.7 240.2 Up 09:14:16 - 09:44:16 -528
Brewster 09:29:16 -59.0 Dark Up 54.0 240.3 Up 09:14:16 - 09:44:16 -557
Manson/Chelan 09:29:16 -59.3 Dark Up 54.3 240.1 Up 09:14:16 - 09:44:16 -584
Victoria 09:29:25 -60.0 Dark Up 55.8 235.3 Up 09:14:25 - 09:44:25 -589
Wenatchee 09:29:15 -59.7 Dark Up 54.6 240.5 Up 09:14:15 - 09:44:15 -632
Ellensburg 09:29:15 -60.2 Dark Up 55.0 240.7 Up 09:14:15 - 09:44:15 -675
Yakima 09:29:15 -60.5 Dark Up 55.2 241.2 Up 09:14:15 - 09:44:15 -714
Toppenish/White Swan 09:29:14 -60.6 Dark Up 55.2 241.7 Up 09:14:14 - 09:44:14 -731
PNWRO 09:29:09 -60.2 Dark Up 54.4 243.9 Up 09:14:09 - 09:44:09 -734
Goldendale 09:29:14 -61.2 Dark Up 55.7 241.9 Up 09:14:14 - 09:44:14 -792
The Dalles 09:29:14 -61.5 Dark Up 56.0 241.7 Up 09:14:14 - 09:44:14 -822
Maupin 09:29:13 -61.8 Dark Up 56.2 242.4 Up 09:14:13 - 09:44:13 -859
Dunrhomin 09:28:24 -55.1 Dark Up 46.5 263.2 Up 09:13:24 - 09:43:24 -926
CU-SBO 09:28:24 -55.3 Dark Up 46.6 263.4 Up 09:13:24 - 09:43:24 -952
Sisters 09:29:13 -62.7 Dark Up 56.9 243.0 Up 09:14:13 - 09:44:13 -954
Bend 09:29:12 -62.8 Dark Up 56.8 243.6 Up 09:14:12 - 09:44:12 -972
Oregon Observatory 09:29:12 -62.9 Dark Up 57.0 243.7 Up 09:14:12 - 09:44:12 -991
North Lake 09:29:09 -63.2 Dark Up 56.9 245.2 Up 09:14:09 - 09:44:09 -1042
Chiloquin 09:29:10 -64.1 Dark Up 57.8 245.0 Up 09:14:10 - 09:44:10 -1129
Lakeview 09:29:05 -63.6 Dark Up 57.0 247.3 Up 09:14:05 - 09:44:05 -1133
Klamath Falls 09:29:10 -64.3 Dark Up 57.9 245.6 Up 09:14:10 - 09:44:10 -1161
Cedarville 09:29:04 -64.0 Dark Up 57.1 248.4 Up 09:14:04 - 09:44:04 -1194
Fall River/Burney 09:29:06 -65.0 Dark Up 58.1 247.8 Up 09:14:06 - 09:44:06 -1269
Susanville 09:29:03 -65.0 Dark Up 57.9 249.5 Up 09:14:03 - 09:44:03 -1315
Gimple 09:29:03 -65.3 Dark Up 58.1 249.7 Up 09:14:03 - 09:44:03 -1348
Greenville 09:29:03 -65.4 Dark Up 58.2 249.6 Up 09:14:03 - 09:44:03 -1349
Quincy 09:29:03 -65.5 Dark Up 58.2 249.9 Up 09:14:03 - 09:44:03 -1369
Portola 09:29:01 -65.3 Dark Up 57.9 250.6 Up 09:14:01 - 09:44:01 -1371
Reno 09:28:59 -65.1 Dark Up 57.5 251.7 Up 09:13:59 - 09:43:59 -1382
Carson City 09:28:59 -65.3 Dark Up 57.6 252.2 Up 09:13:59 - 09:43:59 -1417
Yerington 09:28:56 -65.1 Dark Up 57.2 253.2 Up 09:13:56 - 09:43:56 -1422
Gardnerville 09:28:58 -65.5 Dark Up 57.7 252.7 Up 09:13:58 - 09:43:58 -1441
Hawthorne 09:28:54 -65.0 Dark Up 57.0 254.3 Up 09:13:54 - 09:43:54 -1455
Tonopah 09:28:49 -64.4 Dark Up 56.0 256.3 Up 09:13:49 - 09:43:49 -1467
Lee Vining 09:28:54 -65.7 Dark Up 57.5 254.7 Up 09:13:54 - 09:43:54 -1524
Bishop 09:28:51 -65.5 Dark Up 57.1 256.3 Up 09:13:51 - 09:43:51 -1566
Beatty 09:28:46 -64.7 Dark Up 56.0 258.4 Up 09:13:46 - 09:43:46 -1571
Indian Springs 09:28:42 -64.1 Dark Up 55.2 259.7 Up 09:13:42 - 09:43:42 -1576
Henderson 09:28:39 -63.8 Dark Up 54.7 261.0 Up 09:13:39 - 09:43:39 -1611
Patrick 09:28:35 -63.3 Dark Up 53.9 262.7 Up 09:13:35 - 09:43:35 -1643
Kingman/Dolan Springs 09:28:35 -63.5 Dark Up 54.1 262.9 Up 09:13:35 - 09:43:35 -1671
Laughlin/Bullhead City 09:28:37 -63.9 Dark Up 54.5 262.5 Up 09:13:37 - 09:43:37 -1688
Mohave Valley 09:28:36 -64.0 Dark Up 54.6 262.9 Up 09:13:36 - 09:43:36 -1715
Lake Havasu City 09:28:35 -64.0 Dark Up 54.4 263.6 Up 09:13:35 - 09:43:35 -1748
George/Scottsdale 09:28:27 -62.4 Dark Up 52.5 266.3 Up 09:13:27 - 09:43:27 -1757
Parker 09:28:34 -64.1 Dark Up 54.4 264.1 Up 09:13:34 - 09:43:34 -1783
Idyllwild 09:28:40 -66.1 Dark Up 56.4 263.1 Up 09:13:40 - 09:43:40 -1890
Wildwood 09:28:46 -67.3 Dark Up 57.9 261.1 Up 09:13:46 - 09:43:46 -1904
Calipatria 09:28:36 -65.4 Dark Up 55.5 264.8 Up 09:13:36 - 09:43:36 -1921
Yuma 09:28:32 -64.9 Dark Up 54.8 265.9 Up 09:13:32 - 09:43:32 -1940

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 03TJ58, (2023/01/11 09:31UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 15.91  46
Alhena         06:37:42.8 +16:23:57  1.9  7.64  61
PPM 096264     06:37:27.2 +24:35:27  6.5  0.59  61
PPM 096281     06:37:52.4 +23:36:17  7.7  0.51  60
PPM 096246     06:36:40.3 +24:10:33  9.3  0.14  61
03TJ58         06:36:40.0 +24:01:54 14.9        61
Positions are for J2000

Event circumstances last updated at 2022/09/30 04:15:13 UT

Marc W. Buie, Southwest Research Institute

RECON