RECON: TNO occultation with 14WR510

Event between 14WR510 and star GA1000:02446476 with event index number of 2560093

Geocentric closest approach at 2021/12/16 12:46:32 UTC

J2000 position of star is 06:59:39.1 +11:46:51
Equinox of date position of star is 07:00:52.4 +11:44:57
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 50 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 29.9 AU from the Sun and 29.0 AU from the Earth.
The TNO is moving 22.5 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 112 seconds.
The 1-sigma cross-track error in the shadow position is 1153 km.
The sky-plane scale is 21002.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=195.0 km assuming a 5% albedo -- 8.7 sec chord
Diameter=79.6 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WR510, (2021/12/16 12:47UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:21.7 +07:24:34  0.4 16.48  36
Alhena         06:38:58.8 +16:22:43  1.9  7.04  43
PPM 123452     07:04:51.0 +10:55:04  6.5  1.28  51
PPM 123395     07:02:23.2 +11:44:31  7.0  0.37  50
PPM 123366     07:01:05.6 +11:46:12  8.8  0.06  50
14WR510        07:00:52.5 +11:44:56 15.7        50
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 5.0 sigma about the mid-time.
The median site spacing is 23.3 km RECON observability=1.0 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)
Sleaford 12:43:53 -20.5 Dark Down 24.2 257.7 Low 12:34:06 - 12:53:41 10166
Kamloops 12:44:12 -29.2 Dark Up 33.2 245.6 Up 12:34:24 - 12:53:59 9882
Kelowna 12:44:08 -28.6 Dark Up 33.0 246.9 Up 12:34:20 - 12:53:55 9827
Peachland 12:44:08 -28.8 Dark Up 33.2 246.7 Up 12:34:21 - 12:53:56 9815
Summerland 12:44:07 -28.8 Dark Up 33.2 246.9 Up 12:34:20 - 12:53:55 9804
Penticton 12:44:07 -28.7 Dark Up 33.2 247.0 Up 12:34:19 - 12:53:54 9800
Oliver 12:44:06 -28.7 Dark Up 33.3 247.2 Up 12:34:18 - 12:53:53 9771
Anarchist Mountain Observatory 12:44:05 -28.5 Dark Up 33.3 247.5 Up 12:34:18 - 12:53:53 9760
Tonasket 12:44:04 -28.6 Dark Up 33.4 247.6 Up 12:34:17 - 12:53:52 9733
Okanogan 12:44:04 -28.6 Dark Up 33.6 247.7 Up 12:34:16 - 12:53:51 9703
Brewster 12:44:03 -28.8 Dark Up 33.9 247.7 Up 12:34:16 - 12:53:51 9679
Victoria 12:44:12 -31.2 Dark Up 35.9 244.1 Up 12:34:25 - 12:54:00 9672
Manson/Chelan 12:44:03 -29.0 Dark Up 34.2 247.5 Up 12:34:15 - 12:53:50 9657
Wenatchee 12:44:02 -29.1 Dark Up 34.5 247.6 Up 12:34:15 - 12:53:50 9615
Ellensburg 12:44:02 -29.2 Dark Up 34.8 247.7 Up 12:34:14 - 12:53:49 9578
Yakima 12:44:01 -29.2 Dark Up 34.9 247.9 Up 12:34:13 - 12:53:48 9543
Pasco 12:43:57 -28.2 Dark Up 34.1 249.4 Up 12:34:09 - 12:53:44 9532
Toppenish/White Swan 12:44:00 -29.1 Dark Up 34.9 248.2 Up 12:34:12 - 12:53:47 9526
PNWRO 12:43:56 -28.0 Dark Up 34.1 249.8 Up 12:34:08 - 12:53:43 9514
Goldendale 12:43:59 -29.3 Dark Up 35.4 248.2 Up 12:34:12 - 12:53:47 9474
The Dalles 12:43:59 -29.6 Dark Up 35.7 248.0 Up 12:34:12 - 12:53:47 9450
Maupin 12:43:58 -29.5 Dark Up 35.8 248.4 Up 12:34:10 - 12:53:45 9415
Redmond 12:43:56 -29.5 Dark Up 36.2 248.9 Up 12:34:08 - 12:53:43 9335
Sisters 12:43:57 -29.7 Dark Up 36.4 248.5 Up 12:34:09 - 12:53:44 9332
Bend 12:43:56 -29.5 Dark Up 36.4 248.9 Up 12:34:08 - 12:53:43 9314
Oregon Observatory 12:43:55 -29.6 Dark Up 36.5 248.9 Up 12:34:08 - 12:53:43 9298
La Pine/Gilchrist 12:43:55 -29.6 Dark Up 36.6 249.0 Up 12:34:07 - 12:53:42 9279
North Lake 12:43:52 -29.2 Dark Up 36.4 249.8 Up 12:34:05 - 12:53:40 9248
Dunrhomin 12:43:14 -17.2 AT Down 25.8 263.6 Low 12:33:26 - 12:53:01 9208
Paisley 12:43:50 -28.9 Dark Up 36.3 250.5 Up 12:34:03 - 12:53:38 9203
Chiloquin 12:43:53 -29.8 Dark Up 37.3 249.5 Up 12:34:05 - 12:53:40 9175
Lakeview 12:43:48 -28.7 Dark Up 36.4 251.0 Up 12:34:01 - 12:53:36 9160
Klamath Falls 12:43:52 -29.7 Dark Up 37.3 249.8 Up 12:34:04 - 12:53:39 9145
Cedarville 12:43:46 -28.5 Dark Up 36.5 251.6 Up 12:33:59 - 12:53:34 9103
Fall River/Burney 12:43:48 -29.3 Dark Up 37.5 250.9 Up 12:34:01 - 12:53:36 9043
Susanville 12:43:45 -28.7 Dark Up 37.2 252.0 Up 12:33:57 - 12:53:32 8995
Gimple 12:43:45 -28.8 Dark Up 37.4 252.0 Up 12:33:57 - 12:53:32 8966
Greenville 12:43:45 -28.9 Dark Up 37.5 252.0 Up 12:33:57 - 12:53:32 8965
Quincy 12:43:44 -28.9 Dark Up 37.5 252.1 Up 12:33:56 - 12:53:31 8946
Portola 12:43:43 -28.5 Dark Up 37.2 252.6 Up 12:33:55 - 12:53:30 8941
Reno 12:43:40 -28.0 Dark Up 36.8 253.3 Up 12:33:52 - 12:53:27 8926
Carson City 12:43:40 -27.9 Dark Up 36.9 253.6 Up 12:33:52 - 12:53:27 8893
Yerington 12:43:38 -27.4 Dark Up 36.5 254.2 Up 12:33:50 - 12:53:25 8883
Gardnerville 12:43:38 -27.8 Dark Up 36.9 253.8 Up 12:33:51 - 12:53:26 8870
Hawthorne 12:43:35 -26.9 Dark Up 36.2 255.0 Up 12:33:48 - 12:53:23 8847
Tonopah 12:43:30 -25.8 Dark Up 35.3 256.3 Up 12:33:43 - 12:53:18 8824
Lee Vining 12:43:35 -27.2 Dark Up 36.7 255.0 Up 12:33:48 - 12:53:23 8788
Bishop 12:43:31 -26.5 Dark Up 36.3 255.9 Up 12:33:44 - 12:53:19 8741
Beatty 12:43:27 -25.2 Dark Down 35.2 257.5 Up 12:33:40 - 12:53:15 8721
Indian Springs 12:43:24 -24.3 Dark Down 34.4 258.4 Up 12:33:36 - 12:53:11 8706
Henderson 12:43:21 -23.6 Dark Down 34.0 259.3 Up 12:33:34 - 12:53:09 8666
Patrick 12:43:17 -22.6 Dark Down 33.2 260.4 Up 12:33:30 - 12:53:05 8624
Kingman/Dolan Springs 12:43:17 -22.7 Dark Down 33.4 260.5 Up 12:33:30 - 12:53:05 8599
Laughlin/Bullhead City 12:43:18 -23.1 Dark Down 33.8 260.1 Up 12:33:31 - 12:53:06 8589
Mohave Valley 12:43:18 -23.1 Dark Down 33.9 260.3 Up 12:33:30 - 12:53:05 8563
Lake Havasu City 12:43:16 -22.8 Dark Down 33.7 260.7 Up 12:33:29 - 12:53:04 8528
CPSLO 12:43:33 -28.0 Dark Up 38.6 255.8 Up 12:33:45 - 12:53:20 8511
Parker 12:43:15 -22.7 Dark Down 33.8 261.0 Up 12:33:28 - 12:53:03 8494
George/Scottsdale 12:43:09 -20.6 Dark Down 31.9 262.8 Up 12:33:21 - 12:52:56 8492
Blythe 12:43:14 -22.8 Dark Down 34.1 261.1 Up 12:33:26 - 12:53:01 8439
Wildwood 12:43:24 -26.1 Dark Down 37.3 258.2 Up 12:33:37 - 12:53:12 8424
Idyllwild 12:43:20 -24.5 Dark Down 35.8 259.7 Up 12:33:32 - 12:53:07 8418
Calipatria 12:43:16 -23.4 Dark Down 34.9 260.9 Up 12:33:28 - 12:53:03 8376
Yuma 12:43:13 -22.6 Dark Down 34.3 261.7 Up 12:33:25 - 12:53:00 8348

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 14WR510, (2021/12/16 12:47UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.48  36
Alhena         06:37:42.8 +16:23:57  1.9  7.04  43
PPM 123452     07:03:38.1 +10:57:05  6.5  1.28  51
PPM 123395     07:01:09.8 +11:46:28  7.0  0.37  50
PPM 123366     06:59:52.2 +11:48:07  8.8  0.06  50
14WR510        06:59:39.1 +11:46:51 15.7        50
Positions are for J2000

Event circumstances last updated at 2021/12/08 01:42:10 UT

Marc W. Buie, Southwest Research Institute

RECON