RECON: TNO occultation with 03UT292

Event between 03UT292 and star GA0940:02156016 with event index number of 1357887

Geocentric closest approach at 2024/12/16 07:27:08 UTC

J2000 position of star is 06:55:31.0 +05:22:21
Equinox of date position of star is 06:56:42.1 +05:20:33
Stellar brightness G=15.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 24 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=21.5

[RECON map]
TNO is 27.7 AU from the Sun and 26.8 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 257 seconds.
The 1-sigma cross-track error in the shadow position is 1434 km.
The sky-plane scale is 19449.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=235.5 km assuming a 5% albedo -- 10.5 sec chord
Diameter=96.1 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03UT292, (2024/12/16 07:27UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.4 +07:24:35  0.4 15.13  23
Alhena         06:39:09.2 +16:22:33  1.9 11.86  12
PPM 151776     07:03:15.1 +05:31:10  6.4  1.60  24
PPM 151522     06:56:33.5 +05:24:02  7.4  0.09  23
03UT292        06:56:50.8 +05:20:20 15.0        24
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 24.2 km RECON observability=1.0 and success probability=28.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:27:35 -60.7 Dark Up 42.2 163.1 Up 07:12:35 - 07:42:35 1690
Kamloops 07:28:19 -62.1 Dark Up 39.5 144.5 Up 07:13:19 - 07:43:19 1671
Kelowna 07:28:18 -63.0 Dark Up 40.5 145.2 Up 07:13:18 - 07:43:18 1603
Peachland 07:28:19 -63.1 Dark Up 40.5 144.8 Up 07:13:19 - 07:43:19 1597
Summerland 07:28:19 -63.2 Dark Up 40.6 144.8 Up 07:13:19 - 07:43:19 1585
Penticton 07:28:19 -63.3 Dark Up 40.7 145.0 Up 07:13:19 - 07:43:19 1579
Oliver 07:28:19 -63.7 Dark Up 41.0 144.8 Up 07:13:19 - 07:43:19 1552
Anarchist Mountain Observatory 07:28:19 -63.9 Dark Up 41.2 144.9 Up 07:13:19 - 07:43:19 1538
Victoria 07:28:32 -63.5 Dark Up 40.0 139.9 Up 07:13:32 - 07:43:32 1528
Tonasket 07:28:20 -64.2 Dark Up 41.4 144.7 Up 07:13:20 - 07:43:20 1514
Okanogan 07:28:21 -64.5 Dark Up 41.7 144.3 Up 07:13:21 - 07:43:21 1489
Brewster 07:28:22 -64.7 Dark Up 41.8 144.0 Up 07:13:22 - 07:43:22 1469
Manson/Chelan 07:28:23 -64.8 Dark Up 41.8 143.4 Up 07:13:23 - 07:43:23 1455
Wenatchee 07:28:25 -65.3 Dark Up 42.1 142.9 Up 07:13:25 - 07:43:25 1419
Ellensburg 07:28:26 -65.6 Dark Up 42.4 142.4 Up 07:13:26 - 07:43:26 1387
Yakima 07:28:27 -66.0 Dark Up 42.7 142.2 Up 07:13:27 - 07:43:27 1355
Toppenish/White Swan 07:28:27 -66.2 Dark Up 42.9 142.3 Up 07:13:27 - 07:43:27 1336
PNWRO 07:28:23 -66.9 Dark Up 43.9 143.9 Up 07:13:23 - 07:43:23 1296
Goldendale 07:28:29 -66.7 Dark Up 43.2 141.5 Up 07:13:29 - 07:43:29 1294
The Dalles 07:28:31 -66.8 Dark Up 43.2 140.9 Up 07:13:31 - 07:43:31 1279
Maupin 07:28:31 -67.2 Dark Up 43.6 140.8 Up 07:13:31 - 07:43:31 1244
Sisters 07:28:34 -67.9 Dark Up 44.1 139.6 Up 07:13:34 - 07:43:34 1175
Bend 07:28:34 -68.2 Dark Up 44.4 139.8 Up 07:13:34 - 07:43:34 1153
Oregon Observatory 07:28:35 -68.4 Dark Up 44.4 139.5 Up 07:13:35 - 07:43:35 1140
North Lake 07:28:34 -69.1 Dark Up 45.2 139.8 Up 07:13:34 - 07:43:34 1082
Chiloquin 07:28:38 -69.5 Dark Up 45.2 138.2 Up 07:13:38 - 07:43:38 1031
Klamath Falls 07:28:39 -69.8 Dark Up 45.5 138.0 Up 07:13:39 - 07:43:39 1001
Lakeview 07:28:34 -70.2 Dark Up 46.2 139.8 Up 07:13:34 - 07:43:34 987
Cedarville 07:28:35 -70.9 Dark Up 46.8 139.6 Up 07:13:35 - 07:43:35 929
Fall River/Burney 07:28:39 -71.0 Dark Up 46.6 137.7 Up 07:13:39 - 07:43:39 896
Susanville 07:28:38 -71.8 Dark Up 47.4 138.2 Up 07:13:38 - 07:43:38 835
Greenville 07:28:39 -72.0 Dark Up 47.5 137.6 Up 07:13:39 - 07:43:39 813
Gimple 07:28:39 -72.0 Dark Up 47.5 137.7 Up 07:13:39 - 07:43:39 812
Quincy 07:28:40 -72.2 Dark Up 47.6 137.5 Up 07:13:40 - 07:43:40 795
Portola 07:28:39 -72.4 Dark Up 48.0 138.0 Up 07:13:39 - 07:43:39 780
Reno 07:28:37 -72.9 Dark Up 48.5 138.6 Up 07:13:37 - 07:43:37 751
Dunrhomin 07:27:37 -71.8 Dark Up 53.6 160.1 Up 07:12:37 - 07:42:37 728
Carson City 07:28:37 -73.2 Dark Up 48.8 138.4 Up 07:13:37 - 07:43:37 719
CU-SBO 07:27:37 -72.1 Dark Up 53.8 159.8 Up 07:12:37 - 07:42:37 711
Gardnerville 07:28:38 -73.4 Dark Up 49.0 138.2 Up 07:13:38 - 07:43:38 697
Yerington 07:28:35 -73.6 Dark Up 49.3 139.0 Up 07:13:35 - 07:43:35 696
Hawthorne 07:28:34 -74.1 Dark Up 49.9 139.4 Up 07:13:34 - 07:43:34 650
Lee Vining 07:28:37 -74.5 Dark Up 50.1 138.3 Up 07:13:37 - 07:43:37 603
Tonopah 07:28:30 -74.9 Dark Up 50.9 140.9 Up 07:13:30 - 07:43:30 597
Bishop 07:28:35 -75.3 Dark Up 50.9 138.8 Up 07:13:35 - 07:43:35 542
Beatty 07:28:30 -76.1 Dark Up 52.1 140.6 Up 07:13:30 - 07:43:30 487
Indian Springs 07:28:27 -76.6 Dark Up 52.9 141.8 Up 07:13:27 - 07:43:27 448
Henderson 07:28:25 -77.2 Dark Up 53.6 142.4 Up 07:13:25 - 07:43:25 392
Patrick 07:28:21 -77.9 Dark Up 54.7 143.5 Up 07:13:21 - 07:43:21 325
Laughlin/Bullhead City 07:28:24 -78.1 Dark Up 54.5 142.3 Up 07:13:24 - 07:43:24 307
Kingman/Dolan Springs 07:28:22 -78.1 Dark Up 54.7 143.0 Up 07:13:22 - 07:43:22 305
Mohave Valley 07:28:25 -78.4 Dark Up 54.7 142.0 Up 07:13:25 - 07:43:25 281
Lake Havasu City 07:28:24 -78.8 Dark Up 55.2 142.0 Up 07:13:24 - 07:43:24 241
Wildwood 07:28:41 -78.3 Dark Up 53.2 135.7 Up 07:13:41 - 07:43:41 238
Parker 07:28:25 -79.2 Dark Up 55.5 141.8 Up 07:13:25 - 07:43:25 207
Idyllwild 07:28:34 -79.2 Dark Up 54.5 137.9 Up 07:13:34 - 07:43:34 189
George/Scottsdale 07:28:16 -79.6 Dark Up 57.0 145.1 Up 07:13:16 - 07:43:16 147
Calipatria 07:28:31 -80.0 Dark Up 55.6 139.0 Up 07:13:31 - 07:43:31 120
Yuma 07:28:28 -80.6 Dark Up 56.4 139.9 Up 07:13:28 - 07:43:28 71

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 03UT292, (2024/12/16 07:27UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 15.13  23
Alhena         06:37:42.8 +16:23:57  1.9 11.86  12
PPM 151776     07:01:55.2 +05:33:25  6.4  1.60  24
PPM 151522     06:55:13.7 +05:26:02  7.4  0.09  23
03UT292        06:55:31.0 +05:22:21 15.0        24
Positions are for J2000

Event circumstances last updated at 2022/03/31 23:01:15 UT

Marc W. Buie, Southwest Research Institute

RECON