RECON: TNO occultation with 14QM441

Event between 14QM441 and star GA1000:00418107 with event index number of 2514432

Geocentric closest approach at 2024/11/30 07:22:05 UTC

J2000 position of star is 04:17:58.0 +11:08:11
Equinox of date position of star is 04:19:11.7 +11:11:22
Stellar brightness G=12.9, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 164 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 28.7 AU from the Sun and 27.8 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 4.3 arcsec/hr.
The 1-sigma error in the time of the event is 368 seconds.
The 1-sigma cross-track error in the shadow position is 4408 km.
The sky-plane scale is 20133.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.2 km assuming a 5% albedo -- 5.0 sec chord
Diameter=49.1 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14QM441, (2024/11/30 07:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.2 +16:33:27  0.8  6.92 165
Bellatrix      05:26:28.1 +06:22:13  1.6 17.27 149
PPM 119729     04:15:58.1 +10:04:21  5.1  1.40 164
PPM 119762     04:19:00.5 +11:06:02  8.2  0.13 164
14QM441        04:19:20.5 +11:11:45 12.9       164
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 2.4 sigma about the mid-time.
The median site spacing is 28.4 km RECON observability=1.0 and success probability=11.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:21:23 -59.1 Dark Down 48.3 194.2 Up 07:06:23 - 07:36:23 2584
Kamloops 07:22:04 -60.5 Dark Down 50.3 172.8 Up 07:07:04 - 07:37:04 2544
Kelowna 07:22:03 -61.5 Dark Down 51.2 174.1 Up 07:07:03 - 07:37:03 2468
Peachland 07:22:03 -61.5 Dark Down 51.2 173.6 Up 07:07:03 - 07:37:03 2460
Summerland 07:22:03 -61.7 Dark Down 51.4 173.7 Up 07:07:03 - 07:37:03 2447
Penticton 07:22:03 -61.8 Dark Down 51.5 173.9 Up 07:07:03 - 07:37:03 2440
Oliver 07:22:03 -62.1 Dark Down 51.8 173.8 Up 07:07:03 - 07:37:03 2410
Anarchist Mountain Observatory 07:22:03 -62.3 Dark Down 52.0 174.1 Up 07:07:03 - 07:37:03 2394
Victoria 07:22:15 -62.0 Dark Down 52.1 167.7 Up 07:07:15 - 07:37:15 2382
Tonasket 07:22:03 -62.6 Dark Down 52.3 174.0 Up 07:07:03 - 07:37:03 2367
Okanogan 07:22:03 -62.9 Dark Down 52.6 173.7 Up 07:07:03 - 07:37:03 2339
Brewster 07:22:04 -63.1 Dark Down 52.9 173.3 Up 07:07:04 - 07:37:04 2316
Manson/Chelan 07:22:06 -63.3 Dark Down 53.1 172.7 Up 07:07:06 - 07:37:06 2301
Wenatchee 07:22:06 -63.7 Dark Down 53.5 172.3 Up 07:07:06 - 07:37:06 2260
Ellensburg 07:22:07 -64.1 Dark Down 53.9 171.9 Up 07:07:07 - 07:37:07 2225
Yakima 07:22:08 -64.5 Dark Down 54.3 171.8 Up 07:07:08 - 07:37:08 2189
Toppenish/White Swan 07:22:07 -64.7 Dark Down 54.5 172.0 Up 07:07:07 - 07:37:07 2168
PNWRO 07:22:03 -65.3 Dark Down 55.0 174.5 Up 07:07:03 - 07:37:03 2123
Goldendale 07:22:09 -65.2 Dark Down 55.0 171.2 Up 07:07:09 - 07:37:09 2122
The Dalles 07:22:10 -65.3 Dark Down 55.2 170.6 Up 07:07:10 - 07:37:10 2104
Maupin 07:22:10 -65.7 Dark Down 55.6 170.6 Up 07:07:10 - 07:37:10 2065
Sisters 07:22:12 -66.4 Dark Down 56.5 169.6 Up 07:07:12 - 07:37:12 1989
Bend 07:22:12 -66.7 Dark Down 56.7 170.0 Up 07:07:12 - 07:37:12 1965
Oregon Observatory 07:22:12 -66.9 Dark Down 56.9 169.7 Up 07:07:12 - 07:37:12 1950
North Lake 07:22:11 -67.6 Dark Down 57.6 170.5 Up 07:07:11 - 07:37:11 1886
Chiloquin 07:22:14 -68.0 Dark Down 58.1 168.6 Up 07:07:14 - 07:37:14 1831
Klamath Falls 07:22:14 -68.3 Dark Down 58.5 168.6 Up 07:07:14 - 07:37:14 1798
Lakeview 07:22:09 -68.7 Dark Down 58.7 171.2 Up 07:07:09 - 07:37:09 1783
Cedarville 07:22:09 -69.4 Dark Down 59.4 171.4 Up 07:07:09 - 07:37:09 1719
Fall River/Burney 07:22:14 -69.5 Dark Down 59.7 168.9 Up 07:07:14 - 07:37:14 1683
Susanville 07:22:12 -70.3 Dark Down 60.4 170.2 Up 07:07:12 - 07:37:12 1617
Greenville 07:22:13 -70.5 Dark Down 60.6 169.5 Up 07:07:13 - 07:37:13 1593
Gimple 07:22:13 -70.5 Dark Down 60.6 169.7 Up 07:07:13 - 07:37:13 1592
Quincy 07:22:13 -70.7 Dark Down 60.8 169.4 Up 07:07:13 - 07:37:13 1573
Portola 07:22:11 -70.9 Dark Down 61.0 170.3 Up 07:07:11 - 07:37:11 1557
Reno 07:22:09 -71.4 Dark Down 61.4 171.6 Up 07:07:09 - 07:37:09 1526
Dunrhomin 07:21:18 -70.3 Dark Down 59.5 200.3 Up 07:06:18 - 07:36:18 1499
Carson City 07:22:09 -71.7 Dark Down 61.7 171.5 Up 07:07:09 - 07:37:09 1491
CU-SBO 07:21:19 -70.5 Dark Down 59.7 200.2 Up 07:06:19 - 07:36:19 1475
Gardnerville 07:22:09 -71.9 Dark Down 62.0 171.5 Up 07:07:09 - 07:37:09 1466
Yerington 07:22:07 -72.0 Dark Down 62.0 172.8 Up 07:07:07 - 07:37:07 1466
Hawthorne 07:22:05 -72.6 Dark Down 62.5 173.8 Up 07:07:05 - 07:37:05 1416
Lee Vining 07:22:08 -73.0 Dark Down 63.0 172.6 Up 07:07:08 - 07:37:08 1365
Tonopah 07:22:01 -73.3 Dark Down 63.0 176.7 Up 07:07:01 - 07:37:01 1359
Bishop 07:22:06 -73.8 Dark Down 63.7 174.0 Up 07:07:06 - 07:37:06 1300
Beatty 07:22:00 -74.5 Dark Down 64.2 177.5 Up 07:07:00 - 07:37:00 1240
Indian Springs 07:21:56 -75.0 Dark Down 64.6 179.9 Up 07:06:56 - 07:36:56 1199
Henderson 07:21:54 -75.6 Dark Down 65.1 181.5 Up 07:06:54 - 07:36:54 1140
Patrick 07:21:50 -76.3 Dark Down 65.7 184.2 Up 07:06:50 - 07:36:50 1069
Laughlin/Bullhead City 07:21:52 -76.5 Dark Down 65.9 182.6 Up 07:06:52 - 07:36:52 1049
Kingman/Dolan Springs 07:21:51 -76.5 Dark Down 65.9 183.8 Up 07:06:51 - 07:36:51 1048
Mohave Valley 07:21:53 -76.8 Dark Down 66.2 182.6 Up 07:06:53 - 07:36:53 1021
Lake Havasu City 07:21:52 -77.2 Dark Down 66.6 183.3 Up 07:06:52 - 07:36:52 979
Wildwood 07:22:08 -76.8 Dark Down 66.9 172.7 Up 07:07:08 - 07:37:08 973
Parker 07:21:52 -77.6 Dark Down 67.0 183.4 Up 07:06:52 - 07:36:52 943
Idyllwild 07:22:01 -77.6 Dark Down 67.4 177.4 Up 07:07:01 - 07:37:01 921
George/Scottsdale 07:21:43 -78.0 Dark Down 67.2 189.5 Up 07:06:43 - 07:36:43 882
Calipatria 07:21:57 -78.4 Dark Down 68.0 180.3 Up 07:06:57 - 07:36:57 848
Yuma 07:21:54 -79.0 Dark Down 68.4 182.7 Up 07:06:54 - 07:36:54 797

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 14QM441, (2024/11/30 07:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  6.92 165
Bellatrix      05:25:07.8 +06:20:58  1.6 17.27 149
PPM 119729     04:14:36.2 +10:00:41  5.1  1.40 164
PPM 119762     04:17:38.0 +11:02:27  8.2  0.13 164
14QM441        04:17:58.0 +11:08:11 12.9       164
Positions are for J2000

Event circumstances last updated at 2022/03/31 22:58:57 UT

Marc W. Buie, Southwest Research Institute

RECON