RECON: TNO occultation with 14WB510

Event between 14WB510 and star GA1140:02051852 with event index number of 1801221

Geocentric closest approach at 2024/12/12 09:45:27 UTC

J2000 position of star is 06:16:12.3 +25:52:21
Equinox of date position of star is 06:17:31.1 +25:51:50
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 53 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 32.7 AU from the Sun and 31.7 AU from the Earth.
The TNO is moving 24.1 km/sec on the sky relative to the star, or, 3.8 arcsec/hr.
The 1-sigma error in the time of the event is 548 seconds.
The 1-sigma cross-track error in the shadow position is 4222 km.
The sky-plane scale is 23025.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=178.7 km assuming a 5% albedo -- 7.4 sec chord
Diameter=72.9 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WB510, (2024/12/12 09:45UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.4 +07:24:35  0.4 19.13  51
Alhena         06:39:09.2 +16:22:33  1.9 10.72  59
PPM 095919     06:26:15.9 +25:02:00  6.3  2.09  55
PPM 095750     06:20:16.2 +25:20:10  8.0  0.77  53
PPM 095702     06:18:27.7 +25:29:06  9.0  0.41  53
PPM 095698     06:18:09.6 +25:43:14 11.2  0.17  53
14WB510        06:17:45.2 +25:51:44 15.7        53
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 1.6 sigma about the mid-time.
The median site spacing is 27.4 km RECON observability=1.0 and success probability=8.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 09:44:56 -55.0 Dark Up 63.2 209.9 Up 09:29:56 - 09:59:56 -3538
Kelowna 09:44:56 -55.3 Dark Up 63.6 210.0 Up 09:29:56 - 09:59:56 -3578
Peachland 09:44:57 -55.5 Dark Up 63.8 209.5 Up 09:29:57 - 09:59:57 -3593
Summerland 09:44:57 -55.6 Dark Up 63.9 209.9 Up 09:29:57 - 09:59:57 -3607
Penticton 09:44:56 -55.6 Dark Up 63.9 210.1 Up 09:29:56 - 09:59:56 -3612
Oliver 09:44:56 -55.8 Dark Up 64.2 210.5 Up 09:29:56 - 09:59:56 -3646
Anarchist Mountain Observatory 09:44:55 -55.8 Dark Up 64.3 211.1 Up 09:29:55 - 09:59:55 -3660
Tonasket 09:44:55 -56.0 Dark Up 64.6 211.3 Up 09:29:55 - 09:59:55 -3692
Okanogan 09:44:55 -56.3 Dark Up 64.9 211.3 Up 09:29:55 - 09:59:55 -3728
Brewster 09:44:55 -56.6 Dark Up 65.2 211.2 Up 09:29:55 - 09:59:55 -3758
Victoria 09:45:06 -58.1 Dark Up 65.9 203.5 Up 09:30:06 - 10:00:06 -3763
Manson/Chelan 09:44:56 -56.9 Dark Up 65.5 210.7 Up 09:29:56 - 09:59:56 -3784
Wenatchee 09:44:56 -57.3 Dark Up 66.0 210.9 Up 09:29:56 - 09:59:56 -3834
Ellensburg 09:44:56 -57.7 Dark Up 66.4 211.0 Up 09:29:56 - 09:59:56 -3878
Yakima 09:44:56 -57.9 Dark Up 66.8 211.4 Up 09:29:56 - 09:59:56 -3920
Pasco 09:44:51 -57.3 Dark Up 66.5 214.8 Up 09:29:51 - 09:59:51 -3933
Toppenish/White Swan 09:44:55 -58.0 Dark Up 66.9 212.0 Up 09:29:55 - 09:59:55 -3939
PNWRO 09:44:50 -57.4 Dark Up 66.6 215.6 Up 09:29:50 - 09:59:50 -3954
Goldendale 09:44:56 -58.5 Dark Up 67.5 211.8 Up 09:29:56 - 09:59:56 -4001
The Dalles 09:44:56 -58.9 Dark Up 67.9 211.3 Up 09:29:56 - 09:59:56 -4029
Maupin 09:44:56 -59.1 Dark Up 68.2 212.1 Up 09:29:56 - 09:59:56 -4071
Redmond 09:44:55 -59.7 Dark Up 69.0 213.1 Up 09:29:55 - 09:59:55 -4164
Sisters 09:44:56 -59.9 Dark Up 69.1 212.2 Up 09:29:56 - 09:59:56 -4168
Bend 09:44:55 -59.9 Dark Up 69.2 213.1 Up 09:29:55 - 09:59:55 -4188
Oregon Observatory 09:44:55 -60.0 Dark Up 69.4 213.1 Up 09:29:55 - 09:59:55 -4208
La Pine/Gilchrist 09:44:55 -60.2 Dark Up 69.6 213.2 Up 09:29:55 - 09:59:55 -4230
Dunrhomin 09:44:00 -50.6 Dark Up 62.4 247.3 Up 09:29:00 - 09:59:00 -4266
North Lake 09:44:53 -60.1 Dark Up 69.7 215.3 Up 09:29:53 - 09:59:53 -4266
Paisley 09:44:52 -60.2 Dark Up 70.0 217.0 Up 09:29:52 - 09:59:52 -4318
Chiloquin 09:44:55 -61.0 Dark Up 70.7 214.1 Up 09:29:55 - 09:59:55 -4350
Lakeview 09:44:50 -60.3 Dark Up 70.3 218.2 Up 09:29:50 - 09:59:50 -4368
Klamath Falls 09:44:55 -61.2 Dark Up 70.9 214.8 Up 09:29:55 - 09:59:55 -4385
Cedarville 09:44:49 -60.5 Dark Up 70.8 219.8 Up 09:29:49 - 09:59:49 -4433
Fall River/Burney 09:44:52 -61.6 Dark Up 71.7 217.8 Up 09:29:52 - 09:59:52 -4502
Susanville 09:44:49 -61.4 Dark Up 71.8 220.8 Up 09:29:49 - 09:59:49 -4557
Gimple 09:44:50 -61.7 Dark Up 72.2 220.9 Up 09:29:50 - 09:59:50 -4590
Greenville 09:44:50 -61.7 Dark Up 72.2 220.6 Up 09:29:50 - 09:59:50 -4591
Quincy 09:44:50 -61.8 Dark Up 72.3 221.1 Up 09:29:50 - 09:59:50 -4612
Portola 09:44:49 -61.6 Dark Up 72.2 222.5 Up 09:29:49 - 09:59:49 -4618
Reno 09:44:45 -61.3 Dark Up 72.1 224.6 Up 09:29:45 - 09:59:45 -4635
Carson City 09:44:45 -61.4 Dark Up 72.3 225.4 Up 09:29:45 - 09:59:45 -4673
Yerington 09:44:43 -61.0 Dark Up 72.1 227.3 Up 09:29:43 - 09:59:43 -4683
Gardnerville 09:44:45 -61.5 Dark Up 72.4 226.1 Up 09:29:45 - 09:59:45 -4698
Hawthorne 09:44:40 -60.9 Dark Up 72.1 229.5 Up 09:29:40 - 09:59:40 -4723
Tonopah 09:44:35 -60.0 Dark Up 71.5 233.6 Up 09:29:35 - 09:59:35 -4747
Lee Vining 09:44:42 -61.4 Dark Up 72.7 229.8 Up 09:29:42 - 09:59:42 -4790
Bishop 09:44:39 -61.1 Dark Up 72.7 232.9 Up 09:29:39 - 09:59:39 -4841
Beatty 09:44:33 -60.1 Dark Up 71.9 237.3 Up 09:29:33 - 09:59:33 -4861
Indian Springs 09:44:28 -59.4 Dark Up 71.3 240.1 Up 09:29:28 - 09:59:28 -4875
Henderson 09:44:25 -59.0 Dark Up 71.1 242.7 Up 09:29:25 - 09:59:25 -4918
Patrick 09:44:21 -58.3 Dark Up 70.6 246.1 Up 09:29:21 - 09:59:21 -4961
Kingman/Dolan Springs 09:44:21 -58.5 Dark Up 70.8 246.4 Up 09:29:21 - 09:59:21 -4988
Laughlin/Bullhead City 09:44:23 -58.9 Dark Up 71.2 245.6 Up 09:29:23 - 09:59:23 -5002
Mohave Valley 09:44:23 -59.0 Dark Up 71.3 246.4 Up 09:29:23 - 09:59:23 -5030
Lake Havasu City 09:44:21 -58.9 Dark Up 71.3 247.8 Up 09:29:21 - 09:59:21 -5068
George/Scottsdale 09:44:11 -57.0 Dark Up 69.6 253.1 Up 09:29:11 - 09:59:11 -5097
CPSLO 09:44:44 -63.6 Dark Up 75.4 233.5 Up 09:29:44 - 09:59:44 -5099
Parker 09:44:21 -58.9 Dark Up 71.4 248.8 Up 09:29:21 - 09:59:21 -5104
Blythe 09:44:21 -59.3 Dark Up 71.8 249.9 Up 09:29:21 - 09:59:21 -5166
Wildwood 09:44:36 -62.3 Dark Up 74.6 241.8 Up 09:29:36 - 09:59:36 -5193
Idyllwild 09:44:29 -60.9 Dark Up 73.4 246.3 Up 09:29:29 - 09:59:29 -5196
Calipatria 09:44:24 -60.1 Dark Up 72.7 250.0 Up 09:29:24 - 09:59:24 -5238
Yuma 09:44:20 -59.5 Dark Up 72.1 252.5 Up 09:29:20 - 09:59:20 -5266

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, (2024/12/12 09:45UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 19.13  51
Alhena         06:37:42.8 +16:23:57  1.9 10.72  59
PPM 095919     06:24:43.7 +25:02:55  6.3  2.09  55
PPM 095750     06:18:43.8 +25:20:53  8.0  0.77  53
PPM 095702     06:16:55.1 +25:29:45  9.0  0.41  53
PPM 095698     06:16:36.9 +25:43:52 11.2  0.17  53
14WB510        06:16:12.3 +25:52:21 15.7        53
Positions are for J2000

Event circumstances last updated at 2021/03/01 00:37:53 UT

Marc W. Buie, Southwest Research Institute

RECON