RECON: TNO occultation with 511552

Event between (511552) 14UE225 and star GA1040:00211145 with event index number of 2241626

Geocentric closest approach at 2024/11/03 07:31:00 UTC

J2000 position of star is 02:12:48.1 +15:25:36
Equinox of date position of star is 02:14:01.0 +15:31:48
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 46.6 AU from the Sun and 45.6 AU from the Earth.
The TNO is moving 25.7 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is 3397 km.
The sky-plane scale is 33088.3 km/arcsec.

The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 14.1 sec chord
Diameter=148.2 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 511552, (2024/11/03 07:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:20.9 +16:33:26  0.8 34.37 167
6Bet Ari       01:56:01.0 +20:55:43  2.6  6.90 153
19 Ari         02:14:24.9 +15:23:42  5.7  0.16 155
PPM 118015     02:12:40.4 +16:04:58  8.4  0.65 155
19 Ari         02:14:24.9 +15:23:42  5.7  0.16 155
511552         02:14:09.5 +15:32:31 15.6       155
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 4.2 sigma about the mid-time.
The median site spacing is 27.2 km RECON observability=1.0 and success probability=5.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:30:07 -54.4 Dark Down 54.7 183.4 Up 07:15:07 - 07:45:07 8169
Kelowna 07:30:05 -55.3 Dark Down 55.5 185.0 Up 07:15:05 - 07:45:05 8077
Peachland 07:30:07 -55.4 Dark Down 55.6 184.5 Up 07:15:07 - 07:45:07 8074
Summerland 07:30:06 -55.6 Dark Down 55.8 184.6 Up 07:15:06 - 07:45:06 8059
Victoria 07:30:18 -56.3 Dark Down 56.9 178.3 Up 07:15:18 - 07:45:18 8058
Penticton 07:30:06 -55.6 Dark Down 55.8 184.8 Up 07:15:06 - 07:45:06 8051
Oliver 07:30:06 -56.0 Dark Down 56.2 184.9 Up 07:15:06 - 07:45:06 8020
Anarchist Mountain Observatory 07:30:06 -56.2 Dark Down 56.3 185.2 Up 07:15:06 - 07:45:06 8000
Sleaford 07:29:29 -52.2 Dark Down 51.1 205.5 Up 07:14:29 - 07:44:29 7993
Tonasket 07:30:07 -56.5 Dark Down 56.6 185.2 Up 07:15:07 - 07:45:07 7974
Okanogan 07:30:08 -56.8 Dark Down 57.0 185.0 Up 07:15:08 - 07:45:08 7948
Brewster 07:30:08 -57.0 Dark Down 57.3 184.6 Up 07:15:08 - 07:45:08 7929
Manson/Chelan 07:30:10 -57.2 Dark Down 57.5 184.0 Up 07:15:10 - 07:45:10 7919
Wenatchee 07:30:11 -57.7 Dark Down 58.0 183.8 Up 07:15:11 - 07:45:11 7881
Ellensburg 07:30:11 -58.1 Dark Down 58.4 183.4 Up 07:15:11 - 07:45:11 7850
Yakima 07:30:12 -58.5 Dark Down 58.8 183.4 Up 07:15:12 - 07:45:12 7813
Toppenish/White Swan 07:30:12 -58.7 Dark Down 59.0 183.8 Up 07:15:12 - 07:45:12 7790
Goldendale 07:30:14 -59.2 Dark Down 59.6 183.0 Up 07:15:14 - 07:45:14 7751
The Dalles 07:30:15 -59.4 Dark Down 59.8 182.4 Up 07:15:15 - 07:45:15 7740
PNWRO 07:30:09 -59.2 Dark Down 59.3 186.6 Up 07:15:09 - 07:45:09 7718
Maupin 07:30:16 -59.8 Dark Down 60.2 182.6 Up 07:15:16 - 07:45:16 7699
Sisters 07:30:18 -60.7 Dark Down 61.1 181.7 Up 07:15:18 - 07:45:18 7632
Bend 07:30:18 -60.9 Dark Down 61.4 182.2 Up 07:15:18 - 07:45:18 7603
Oregon Observatory 07:30:18 -61.1 Dark Down 61.5 182.0 Up 07:15:18 - 07:45:18 7590
North Lake 07:30:18 -61.8 Dark Down 62.2 183.1 Up 07:15:18 - 07:45:18 7516
Chiloquin 07:30:21 -62.3 Dark Down 62.9 181.2 Up 07:15:21 - 07:45:21 7480
Klamath Falls 07:30:21 -62.7 Dark Down 63.2 181.4 Up 07:15:21 - 07:45:21 7446
Lakeview 07:30:17 -62.9 Dark Down 63.2 184.4 Up 07:15:17 - 07:45:17 7402
Cedarville 07:30:17 -63.5 Dark Down 63.8 184.9 Up 07:15:17 - 07:45:17 7335
Fall River/Burney 07:30:22 -63.9 Dark Down 64.4 182.3 Up 07:15:22 - 07:45:22 7324
Susanville 07:30:20 -64.6 Dark Down 65.0 184.1 Up 07:15:20 - 07:45:20 7243
Greenville 07:30:22 -64.8 Dark Down 65.3 183.4 Up 07:15:22 - 07:45:22 7225
Gimple 07:30:21 -64.8 Dark Down 65.3 183.6 Up 07:15:21 - 07:45:21 7223
Quincy 07:30:22 -65.0 Dark Down 65.5 183.5 Up 07:15:22 - 07:45:22 7206
Portola 07:30:21 -65.2 Dark Down 65.6 184.6 Up 07:15:21 - 07:45:21 7180
Reno 07:30:18 -65.5 Dark Down 65.8 186.1 Up 07:15:18 - 07:45:18 7136
Carson City 07:30:19 -65.9 Dark Down 66.1 186.3 Up 07:15:19 - 07:45:19 7101
Gardnerville 07:30:19 -66.1 Dark Down 66.4 186.5 Up 07:15:19 - 07:45:19 7076
Yerington 07:30:18 -66.2 Dark Down 66.3 187.8 Up 07:15:18 - 07:45:18 7064
Hawthorne 07:30:17 -66.7 Dark Down 66.7 189.3 Up 07:15:17 - 07:45:17 7003
Lee Vining 07:30:18 -67.2 Dark Down 67.3 188.3 Up 07:15:18 - 07:45:18 6963
Tonopah 07:30:12 -67.2 Dark Down 66.9 192.8 Up 07:15:12 - 07:45:12 6918
Bishop 07:30:17 -67.8 Dark Down 67.8 190.3 Up 07:15:17 - 07:45:17 6883
Dunrhomin 07:29:33 -63.1 Dark Down 61.1 215.8 Up 07:14:33 - 07:44:33 6835
CU-SBO 07:29:33 -63.4 Dark Down 61.3 215.9 Up 07:14:33 - 07:44:33 6812
Beatty 07:30:13 -68.3 Dark Down 67.9 194.6 Up 07:15:13 - 07:45:13 6790
Indian Springs 07:30:09 -68.7 Dark Down 68.0 197.5 Up 07:15:09 - 07:45:09 6727
Henderson 07:30:07 -69.1 Dark Down 68.4 199.7 Up 07:15:07 - 07:45:07 6654
Wildwood 07:30:22 -71.1 Dark Down 71.0 191.5 Up 07:15:22 - 07:45:22 6564
Patrick 07:30:04 -69.7 Dark Down 68.6 203.0 Up 07:15:04 - 07:45:04 6560
Laughlin/Bullhead City 07:30:07 -70.0 Dark Down 69.1 201.5 Up 07:15:07 - 07:45:07 6555
Kingman/Dolan Springs 07:30:05 -69.9 Dark Down 68.9 202.8 Up 07:15:05 - 07:45:05 6543
Mohave Valley 07:30:07 -70.3 Dark Down 69.3 201.8 Up 07:15:07 - 07:45:07 6528
Lake Havasu City 07:30:07 -70.6 Dark Down 69.6 202.8 Up 07:15:07 - 07:45:07 6480
Idyllwild 07:30:16 -71.5 Dark Down 71.0 197.1 Up 07:15:16 - 07:45:16 6472
Parker 07:30:07 -71.0 Dark Down 69.9 203.3 Up 07:15:07 - 07:45:07 6443
Calipatria 07:30:13 -72.1 Dark Down 71.2 201.0 Up 07:15:13 - 07:45:13 6375
George/Scottsdale 07:29:59 -71.0 Dark Down 69.4 210.0 Up 07:14:59 - 07:44:59 6333
Yuma 07:30:10 -72.5 Dark Down 71.4 204.0 Up 07:15:10 - 07:45:10 6305

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 511552, (2024/11/03 07:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 34.37 167
6Bet Ari       01:54:38.5 +20:48:26  2.6  6.90 153
19 Ari         02:13:03.4 +15:16:47  5.7  0.16 155
PPM 118015     02:11:18.9 +15:58:01  8.4  0.65 155
19 Ari         02:13:03.4 +15:16:47  5.7  0.16 155
511552         02:12:48.1 +15:25:36 15.6       155
Positions are for J2000

Event circumstances last updated at 2022/03/30 23:15:48 UT

Marc W. Buie, Southwest Research Institute

RECON