RECON: TNO occultation with 14WB510

Event between 14WB510 and star GA1160:02429546 with event index number of 1984254

Geocentric closest approach at 2028/02/04 04:05:29 UTC

J2000 position of star is 06:38:04.8 +27:00:42
Equinox of date position of star is 06:39:27.6 +26:59:27
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 49 degrees from the moon. Moon is 54% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 33.3 AU from the Sun and 32.5 AU from the Earth.
The TNO is moving 19.2 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 482 seconds.
The 1-sigma cross-track error in the shadow position is 2977 km.
The sky-plane scale is 23586.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=178.7 km assuming a 5% albedo -- 9.3 sec chord
Diameter=72.9 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WB510, (2028/02/04 03:24UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:47:02.2 +27:57:22  1.1 14.93  64
Alhena         06:39:20.1 +16:22:22  1.9 10.61  52
49 Aur         06:36:58.2 +27:59:52  5.0  1.20  49
PPM 096294     06:40:20.7 +26:52:43  8.3  0.16  50
14WB510        06:39:50.0 +26:59:07 15.5        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 1.9 sigma about the mid-time.
The median site spacing is 32.8 km RECON observability=1.0 and success probability=9.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 04:06:16 -38.2 Dark Up 63.8 159.4 Up 03:51:16 - 04:21:16 -3845
Kamloops 04:07:06 -30.2 Dark Up 60.0 132.9 Up 03:52:06 - 04:22:06 -3916
Kelowna 04:07:04 -30.9 Dark Up 61.0 133.3 Up 03:52:04 - 04:22:04 -4006
Peachland 04:07:05 -30.8 Dark Up 60.9 132.7 Up 03:52:05 - 04:22:05 -4015
Summerland 04:07:05 -30.9 Dark Up 61.1 132.6 Up 03:52:05 - 04:22:05 -4031
Penticton 04:07:05 -30.9 Dark Up 61.2 132.7 Up 03:52:05 - 04:22:05 -4038
Oliver 04:07:06 -31.0 Dark Up 61.4 132.2 Up 03:52:06 - 04:22:06 -4074
Anarchist Mountain Observatory 04:07:05 -31.2 Dark Up 61.6 132.3 Up 03:52:05 - 04:22:05 -4093
Victoria 04:07:20 -28.6 Dark Up 59.9 125.7 Up 03:52:20 - 04:22:20 -4103
Tonasket 04:07:06 -31.2 Dark Up 61.8 131.8 Up 03:52:06 - 04:22:06 -4124
Okanogan 04:07:06 -31.1 Dark Up 61.9 131.1 Up 03:52:06 - 04:22:06 -4157
Brewster 04:07:07 -31.1 Dark Up 62.0 130.4 Up 03:52:07 - 04:22:07 -4183
Manson/Chelan 04:07:09 -30.9 Dark Up 62.0 129.5 Up 03:52:09 - 04:22:09 -4201
Wenatchee 04:07:10 -30.8 Dark Up 62.2 128.6 Up 03:52:10 - 04:22:10 -4249
Ellensburg 04:07:12 -30.8 Dark Up 62.3 127.6 Up 03:52:12 - 04:22:12 -4289
Yakima 04:07:12 -30.8 Dark Up 62.6 127.0 Up 03:52:12 - 04:22:12 -4331
Toppenish/White Swan 04:07:12 -31.0 Dark Up 62.8 126.9 Up 03:52:12 - 04:22:12 -4355
PNWRO 04:07:07 -32.0 Dark Up 63.8 128.6 Up 03:52:07 - 04:22:07 -4407
Goldendale 04:07:14 -30.8 Dark Up 62.9 125.4 Up 03:52:14 - 04:22:14 -4408
The Dalles 04:07:16 -30.5 Dark Up 62.8 124.5 Up 03:52:16 - 04:22:16 -4428
Maupin 04:07:16 -30.7 Dark Up 63.1 124.0 Up 03:52:16 - 04:22:16 -4472
Sisters 04:07:19 -30.4 Dark Up 63.3 121.8 Up 03:52:19 - 04:22:19 -4559
Bend 04:07:19 -30.6 Dark Up 63.6 121.8 Up 03:52:19 - 04:22:19 -4587
Oregon Observatory 04:07:19 -30.6 Dark Up 63.6 121.3 Up 03:52:19 - 04:22:19 -4603
North Lake 04:07:18 -31.0 Dark Up 64.2 121.0 Up 03:52:18 - 04:22:18 -4676
Chiloquin 04:07:22 -30.4 Dark Up 64.0 118.4 Up 03:52:22 - 04:22:22 -4738
Klamath Falls 04:07:22 -30.5 Dark Up 64.2 117.9 Up 03:52:22 - 04:22:22 -4775
Lakeview 04:07:17 -31.6 Dark Up 65.1 119.8 Up 03:52:17 - 04:22:17 -4794
Cedarville 04:07:17 -31.8 Dark Up 65.6 118.8 Up 03:52:17 - 04:22:17 -4866
Fall River/Burney 04:07:23 -30.9 Dark Up 65.0 116.2 Up 03:52:23 - 04:22:23 -4904
Susanville 04:07:21 -31.5 Dark Up 65.8 116.0 Up 03:52:21 - 04:22:21 -4980
Greenville 04:07:22 -31.3 Dark Up 65.7 115.0 Up 03:52:22 - 04:22:22 -5006
Gimple 04:07:22 -31.4 Dark Up 65.7 115.1 Up 03:52:22 - 04:22:22 -5007
Quincy 04:07:22 -31.3 Dark Up 65.8 114.6 Up 03:52:22 - 04:22:22 -5028
Portola 04:07:21 -31.7 Dark Up 66.1 115.0 Up 03:52:21 - 04:22:21 -5046
Reno 04:07:18 -32.2 Dark Up 66.7 115.4 Up 03:52:18 - 04:22:18 -5082
Dunrhomin 04:06:16 -42.9 Dark Up 74.7 147.1 Up 03:51:16 - 04:21:16 -5088
Carson City 04:07:18 -32.3 Dark Up 66.9 114.6 Up 03:52:18 - 04:22:18 -5120
Gardnerville 04:07:20 -32.3 Dark Up 67.0 114.2 Up 03:52:20 - 04:22:20 -5147
Yerington 04:07:16 -32.8 Dark Up 67.4 115.1 Up 03:52:16 - 04:22:16 -5148
Hawthorne 04:07:15 -33.2 Dark Up 68.0 114.8 Up 03:52:15 - 04:22:15 -5203
Lee Vining 04:07:17 -32.9 Dark Up 67.8 112.9 Up 03:52:17 - 04:22:17 -5259
Tonopah 04:07:09 -34.3 Dark Up 69.2 115.8 Up 03:52:09 - 04:22:09 -5267
Bishop 04:07:15 -33.5 Dark Up 68.6 112.5 Up 03:52:15 - 04:22:15 -5331
Beatty 04:07:08 -34.8 Dark Up 70.0 113.6 Up 03:52:08 - 04:22:08 -5397
Indian Springs 04:07:04 -35.7 Dark Up 70.9 114.4 Up 03:52:04 - 04:22:04 -5441
Henderson 04:07:02 -36.3 Dark Up 71.6 114.1 Up 03:52:02 - 04:22:02 -5505
Patrick 04:06:57 -37.3 Dark Up 72.7 114.0 Up 03:51:57 - 04:21:57 -5582
Laughlin/Bullhead City 04:07:00 -36.7 Dark Up 72.2 112.2 Up 03:52:00 - 04:22:00 -5604
Kingman/Dolan Springs 04:06:58 -37.1 Dark Up 72.6 113.1 Up 03:51:58 - 04:21:58 -5605
Mohave Valley 04:07:00 -36.7 Dark Up 72.3 111.4 Up 03:52:00 - 04:22:00 -5634
Lake Havasu City 04:06:59 -37.0 Dark Up 72.7 110.6 Up 03:51:59 - 04:21:59 -5679
Wildwood 04:07:19 -33.5 Dark Up 69.5 104.1 Up 03:52:19 - 04:22:19 -5685
Parker 04:06:59 -37.0 Dark Up 72.8 109.6 Up 03:51:59 - 04:21:59 -5718
Idyllwild 04:07:10 -35.1 Dark Up 71.1 105.3 Up 03:52:10 - 04:22:10 -5743
George/Scottsdale 04:06:49 -39.1 Dark Up 74.8 112.0 Up 03:51:49 - 04:21:49 -5781
Calipatria 04:07:05 -36.1 Dark Up 72.2 104.9 Up 03:52:05 - 04:22:05 -5820
Yuma 04:07:01 -36.9 Dark Up 73.0 104.7 Up 03:52:01 - 04:22:01 -5875

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 14WB510, (2028/02/04 03:24UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 14.93  64
Alhena         06:37:42.8 +16:23:57  1.9 10.61  52
49 Aur         06:35:12.1 +28:01:20  5.0  1.20  49
PPM 096294     06:38:35.5 +26:54:19  8.3  0.16  50
14WB510        06:38:04.8 +27:00:42 15.5        49
Positions are for J2000

Event circumstances last updated at 2022/02/05 00:38:27 UT

Marc W. Buie, Southwest Research Institute

RECON