RECON: TNO occultation with 612332

Event between (612332) 02CW224 and star GA1180:02524257 with event index number of 2812483

Geocentric closest approach at 2024/11/14 04:38:57 UTC

J2000 position of star is 06:22:24.9 +29:07:58
Equinox of date position of star is 06:23:50.1 +29:07:13
Stellar brightness G=0.0, use SENSEUP=2 with the MallinCam and and exposure time of 125 milli-seconds with the QHY174 camera.
Star is 66 degrees from the moon. Moon is 96% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 33.4 AU from the Sun and 32.6 AU from the Earth.
The TNO is moving 16.9 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 467 seconds.
The 1-sigma cross-track error in the shadow position is 1228 km.
The sky-plane scale is 23672.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=224.9 km assuming a 5% albedo -- 13.3 sec chord
Diameter=91.8 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 612332, (2024/11/14 04:39UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.2 +27:57:51  1.1 18.21  84
Alnath         05:27:52.0 +28:37:34  1.6 12.29  54
PPM 095824     06:22:47.1 +29:31:38  6.3  0.49  66
PPM 095820     06:22:39.1 +29:21:31  7.4  0.38  66
PPM 095861     06:24:02.8 +28:53:53  8.7  0.22  66
612332         06:23:59.8 +29:07:08  0.0        67
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 1.9 sigma about the mid-time.
The median site spacing is 21.5 km RECON observability=0.3 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 04:43:38 -41.7 Dark Up 21.4 69.7 Low 04:28:38 - 04:58:38 7935
Victoria 04:43:47 -40.7 Dark Up 18.8 66.9 Really Low 04:28:47 - 04:58:47 7883
Peachland 04:43:42 -42.4 Dark Up 21.4 69.7 Low 04:28:42 - 04:58:42 7845
Kelowna 04:43:41 -42.5 Dark Up 21.6 70.0 Low 04:28:41 - 04:58:41 7843
Summerland 04:43:43 -42.5 Dark Up 21.4 69.8 Low 04:28:43 - 04:58:43 7830
Penticton 04:43:43 -42.6 Dark Up 21.5 69.8 Low 04:28:43 - 04:58:43 7821
Oliver 04:43:44 -42.8 Dark Up 21.3 69.7 Low 04:28:44 - 04:58:44 7795
Anarchist Mountain Observatory 04:43:45 -43.0 Dark Up 21.4 69.8 Low 04:28:45 - 04:58:45 7775
Tonasket 04:43:47 -43.0 Dark Up 21.3 69.6 Low 04:28:47 - 04:58:47 7753
Okanogan 04:43:48 -43.1 Dark Up 21.1 69.4 Low 04:28:48 - 04:58:48 7733
Brewster 04:43:50 -43.1 Dark Up 20.8 69.2 Low 04:28:50 - 04:58:50 7719
Manson/Chelan 04:43:50 -42.9 Dark Up 20.5 68.8 Low 04:28:50 - 04:58:50 7716
Wenatchee 04:43:52 -43.0 Dark Up 20.3 68.6 Low 04:28:52 - 04:58:52 7686
Ellensburg 04:43:55 -43.0 Dark Up 20.0 68.3 Really Low 04:28:55 - 04:58:55 7662
Yakima 04:43:56 -43.2 Dark Up 19.8 68.2 Really Low 04:28:56 - 04:58:56 7631
Toppenish/White Swan 04:43:55 -43.4 Dark Up 19.8 68.2 Really Low 04:28:55 - 04:58:55 7607
Sleaford 04:43:21 -48.4 Dark Up 30.4 80.5 Up 04:28:21 - 04:58:21 7582
Goldendale 04:43:59 -43.3 Dark Up 19.4 67.7 Really Low 04:28:59 - 04:58:59 7580
The Dalles 04:43:59 -43.1 Dark Up 19.0 67.4 Really Low 04:28:59 - 04:58:59 7576
Maupin 04:44:02 -43.4 Dark Up 19.0 67.4 Really Low 04:29:02 - 04:59:02 7539
PNWRO 04:43:57 -44.5 Dark Up 20.7 69.0 Low 04:28:57 - 04:58:57 7522
Sisters 04:44:05 -43.3 Dark Up 18.3 66.8 Really Low 04:29:05 - 04:59:05 7488
Bend 04:44:06 -43.6 Dark Up 18.4 66.9 Really Low 04:29:06 - 04:59:06 7459
Oregon Observatory 04:44:06 -43.5 Dark Up 18.2 66.8 Really Low 04:29:06 - 04:59:06 7450
North Lake 04:44:08 -44.1 Dark Up 18.3 66.9 Really Low 04:29:08 - 04:59:08 7377
Chiloquin 04:44:12 -43.7 Dark Up 17.4 66.2 Really Low 04:29:12 - 04:59:12 7360
Klamath Falls 04:44:13 -43.8 Dark Up 17.4 66.1 Really Low 04:29:13 - 04:59:13 7329
Lakeview 04:44:13 -44.8 Dark Up 18.3 66.9 Really Low 04:29:13 - 04:59:13 7269
Fall River/Burney 04:44:17 -44.4 Dark Up 17.2 66.0 Really Low 04:29:17 - 04:59:17 7217
Cedarville 04:44:15 -45.2 Dark Up 18.2 66.8 Really Low 04:29:15 - 04:59:15 7207
Susanville 04:44:19 -45.1 Dark Up 17.4 66.2 Really Low 04:29:19 - 04:59:19 7134
Greenville 04:44:20 -45.0 Dark Up 17.1 66.0 Really Low 04:29:20 - 04:59:20 7123
Gimple 04:44:21 -45.1 Dark Up 17.2 66.0 Really Low 04:29:21 - 04:59:21 7119
Quincy 04:44:21 -45.1 Dark Up 17.0 65.9 Really Low 04:29:21 - 04:59:21 7105
Portola 04:44:21 -45.5 Dark Up 17.3 66.2 Really Low 04:29:21 - 04:59:21 7075
Reno 04:44:22 -46.0 Dark Up 17.7 66.4 Really Low 04:29:22 - 04:59:22 7025
Carson City 04:44:23 -46.1 Dark Up 17.5 66.4 Really Low 04:29:23 - 04:59:23 6994
Gardnerville 04:44:24 -46.2 Dark Up 17.5 66.3 Really Low 04:29:24 - 04:59:24 6971
Yerington 04:44:24 -46.7 Dark Up 17.9 66.6 Really Low 04:29:24 - 04:59:24 6951
Hawthorne 04:44:25 -47.2 Dark Up 18.1 66.8 Really Low 04:29:25 - 04:59:25 6888
Lee Vining 04:44:28 -47.0 Dark Up 17.6 66.4 Really Low 04:29:28 - 04:59:28 6860
Tonopah 04:44:25 -48.4 Dark Up 19.0 67.4 Really Low 04:29:25 - 04:59:25 6789
Bishop 04:44:29 -47.7 Dark Up 17.8 66.6 Really Low 04:29:29 - 04:59:29 6777
Beatty 04:44:29 -49.1 Dark Up 18.9 67.2 Really Low 04:29:29 - 04:59:29 6667
Indian Springs 04:44:29 -50.0 Dark Up 19.5 67.7 Really Low 04:29:29 - 04:59:29 6592
Dunrhomin 04:44:05 -56.0 Dark Up 28.4 74.5 Low 04:29:05 - 04:59:05 6516
Henderson 04:44:31 -50.7 Dark Up 19.9 67.8 Really Low 04:29:31 - 04:59:31 6515
CU-SBO 04:44:06 -56.1 Dark Up 28.3 74.3 Low 04:29:06 - 04:59:06 6496
Wildwood 04:44:38 -48.3 Dark Up 16.4 65.6 Really Low 04:29:38 - 04:59:38 6495
Laughlin/Bullhead City 04:44:32 -51.2 Dark Up 19.8 67.7 Really Low 04:29:32 - 04:59:32 6418
Patrick 04:44:30 -51.7 Dark Up 20.5 68.1 Low 04:29:30 - 04:59:30 6411
Kingman/Dolan Springs 04:44:33 -51.6 Dark Up 20.2 68.0 Low 04:29:33 - 04:59:33 6398
Mohave Valley 04:44:33 -51.3 Dark Up 19.7 67.6 Really Low 04:29:33 - 04:59:33 6393
Idyllwild 04:44:39 -49.9 Dark Up 17.7 66.3 Really Low 04:29:39 - 04:59:39 6380
Lake Havasu City 04:44:35 -51.6 Dark Up 19.8 67.6 Really Low 04:29:35 - 04:59:35 6346
Parker 04:44:35 -51.7 Dark Up 19.7 67.5 Really Low 04:29:35 - 04:59:35 6312
Calipatria 04:44:39 -51.0 Dark Up 18.3 66.7 Really Low 04:29:39 - 04:59:39 6272
Yuma 04:44:40 -51.8 Dark Up 18.9 66.9 Really Low 04:29:40 - 04:59:40 6193
George/Scottsdale 04:44:34 -53.8 Dark Up 21.4 68.5 Low 04:29:34 - 04:59:34 6169

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 612332, (2024/11/14 04:39UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 18.21  84
Alnath         05:26:17.6 +28:36:23  1.6 12.29  54
PPM 095824     06:21:11.9 +29:32:26  6.3  0.49  66
PPM 095820     06:21:04.0 +29:22:19  7.4  0.38  66
PPM 095861     06:22:28.1 +28:54:43  8.7  0.22  66
612332         06:22:24.9 +29:07:58  0.0        66
Positions are for J2000

Event circumstances last updated at 2022/05/03 23:51:46 UT

Marc W. Buie, Southwest Research Institute

RECON