RECON: TNO occultation with 15VW165

Event between 15VW165 and star GA1100:00581145 with event index number of 1436273

Geocentric closest approach at 2024/12/22 09:14:07 UTC

J2000 position of star is 04:21:30.8 +20:29:58
Equinox of date position of star is 04:22:45.5 +20:32:54
Stellar brightness G=13.9, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 108 degrees from the moon. Moon is 55% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 29.7 AU from the Sun and 28.8 AU from the Earth.
The TNO is moving 22.2 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 113 seconds.
The 1-sigma cross-track error in the shadow position is 1202 km.
The sky-plane scale is 20864.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 6.1 sec chord
Diameter=55.1 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 15VW165, (2024/12/22 09:14UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.4 +16:33:27  0.8  5.25 105
44Zet Per      03:55:42.5 +31:57:21  2.8 12.93 111
PPM 093481     04:25:00.9 +21:02:17  5.9  0.68 108
PPM 093455     04:23:51.1 +20:52:42  7.6  0.38 108
PPM 093436     04:22:11.7 +20:30:24 11.0  0.19 108
15VW165        04:22:59.0 +20:33:26 13.9       108
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 26.4 km RECON observability=1.0 and success probability=12.9%
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 09:11:38 -59.4 Dark Up 44.1 246.3 Up 09:01:43 - 09:21:33 -1766
Kelowna 09:11:38 -59.8 Dark Up 44.3 246.5 Up 09:01:43 - 09:21:33 -1805
Peachland 09:11:39 -60.0 Dark Up 44.5 246.3 Up 09:01:44 - 09:21:34 -1818
Summerland 09:11:38 -60.1 Dark Up 44.5 246.5 Up 09:01:43 - 09:21:33 -1832
Penticton 09:11:38 -60.1 Dark Up 44.5 246.7 Up 09:01:43 - 09:21:33 -1837
Oliver 09:11:37 -60.4 Dark Up 44.6 247.0 Up 09:01:42 - 09:21:32 -1871
Anarchist Mountain Observatory 09:11:36 -60.4 Dark Up 44.6 247.4 Up 09:01:41 - 09:21:31 -1885
Tonasket 09:11:36 -60.7 Dark Up 44.7 247.6 Up 09:01:41 - 09:21:31 -1916
Okanogan 09:11:35 -61.0 Dark Up 45.0 247.7 Up 09:01:40 - 09:21:30 -1950
Victoria 09:11:46 -62.3 Dark Up 47.2 243.7 Up 09:01:51 - 09:21:41 -1973
Brewster 09:11:35 -61.3 Dark Up 45.2 247.8 Up 09:01:40 - 09:21:30 -1979
Manson/Chelan 09:11:36 -61.6 Dark Up 45.5 247.6 Up 09:01:41 - 09:21:31 -2003
Wenatchee 09:11:36 -62.1 Dark Up 45.8 247.9 Up 09:01:41 - 09:21:31 -2051
Ellensburg 09:11:35 -62.5 Dark Up 46.1 248.1 Up 09:01:40 - 09:21:30 -2094
Yakima 09:11:34 -62.8 Dark Up 46.2 248.5 Up 09:01:39 - 09:21:29 -2135
Pasco 09:11:30 -62.5 Dark Up 45.4 250.2 Up 09:01:35 - 09:21:25 -2152
Toppenish/White Swan 09:11:34 -62.9 Dark Up 46.2 248.8 Up 09:01:39 - 09:21:29 -2154
PNWRO 09:11:29 -62.6 Dark Up 45.4 250.6 Up 09:01:34 - 09:21:24 -2174
Goldendale 09:11:34 -63.6 Dark Up 46.7 249.0 Up 09:01:39 - 09:21:29 -2214
The Dalles 09:11:34 -63.9 Dark Up 47.0 248.8 Up 09:01:39 - 09:21:29 -2240
Maupin 09:11:33 -64.2 Dark Up 47.1 249.3 Up 09:01:38 - 09:21:28 -2281
Redmond 09:11:32 -64.9 Dark Up 47.5 250.2 Up 09:01:37 - 09:21:27 -2372
Sisters 09:11:33 -65.1 Dark Up 47.7 249.8 Up 09:01:38 - 09:21:28 -2374
Bend 09:11:32 -65.2 Dark Up 47.6 250.2 Up 09:01:37 - 09:21:27 -2395
Oregon Observatory 09:11:32 -65.4 Dark Up 47.8 250.3 Up 09:01:37 - 09:21:27 -2414
La Pine/Gilchrist 09:11:32 -65.5 Dark Up 47.9 250.5 Up 09:01:37 - 09:21:27 -2436
North Lake 09:11:29 -65.6 Dark Up 47.6 251.5 Up 09:01:34 - 09:21:24 -2473
Paisley 09:11:28 -65.8 Dark Up 47.6 252.4 Up 09:01:33 - 09:21:23 -2525
Dunrhomin 09:10:45 -57.7 Dark Up 36.8 266.5 Up 09:00:50 - 09:20:40 -2538
Chiloquin 09:11:31 -66.6 Dark Up 48.5 251.3 Up 09:01:36 - 09:21:26 -2553
Lakeview 09:11:26 -66.1 Dark Up 47.6 253.1 Up 09:01:31 - 09:21:21 -2575
Klamath Falls 09:11:30 -66.8 Dark Up 48.6 251.7 Up 09:01:35 - 09:21:25 -2587
Cedarville 09:11:24 -66.5 Dark Up 47.6 253.9 Up 09:01:29 - 09:21:19 -2640
Fall River/Burney 09:11:27 -67.5 Dark Up 48.7 253.3 Up 09:01:32 - 09:21:22 -2704
Susanville 09:11:24 -67.5 Dark Up 48.3 254.7 Up 09:01:29 - 09:21:19 -2760
Gimple 09:11:24 -67.8 Dark Up 48.5 254.8 Up 09:01:29 - 09:21:19 -2792
Greenville 09:11:25 -67.9 Dark Up 48.6 254.7 Up 09:01:30 - 09:21:20 -2792
Quincy 09:11:25 -68.0 Dark Up 48.6 254.9 Up 09:01:30 - 09:21:20 -2814
Portola 09:11:23 -67.8 Dark Up 48.3 255.5 Up 09:01:28 - 09:21:18 -2821
Reno 09:11:20 -67.6 Dark Up 47.9 256.3 Up 09:01:25 - 09:21:15 -2841
Carson City 09:11:20 -67.9 Dark Up 48.0 256.7 Up 09:01:25 - 09:21:15 -2878
Yerington 09:11:18 -67.6 Dark Up 47.5 257.4 Up 09:01:23 - 09:21:13 -2890
Gardnerville 09:11:19 -68.0 Dark Up 48.0 257.0 Up 09:01:24 - 09:21:14 -2902
Hawthorne 09:11:16 -67.6 Dark Up 47.2 258.4 Up 09:01:21 - 09:21:11 -2932
Tonopah 09:11:11 -66.9 Dark Up 46.3 259.9 Up 09:01:16 - 09:21:06 -2961
Lee Vining 09:11:16 -68.2 Dark Up 47.7 258.6 Up 09:01:21 - 09:21:11 -2997
Bishop 09:11:13 -68.1 Dark Up 47.3 259.8 Up 09:01:18 - 09:21:08 -3050
Beatty 09:11:08 -67.2 Dark Up 46.1 261.5 Up 09:01:13 - 09:21:03 -3076
Indian Springs 09:11:04 -66.7 Dark Up 45.3 262.5 Up 09:01:09 - 09:20:59 -3095
Henderson 09:11:01 -66.4 Dark Up 44.8 263.5 Up 09:01:06 - 09:20:56 -3140
Patrick 09:10:57 -65.9 Dark Up 44.0 264.9 Up 09:01:02 - 09:20:52 -3189
Kingman/Dolan Springs 09:10:58 -66.1 Dark Up 44.2 265.0 Up 09:01:03 - 09:20:53 -3215
Laughlin/Bullhead City 09:10:59 -66.5 Dark Up 44.6 264.7 Up 09:01:04 - 09:20:54 -3226
Mohave Valley 09:10:59 -66.6 Dark Up 44.6 264.9 Up 09:01:04 - 09:20:54 -3254
Lake Havasu City 09:10:57 -66.6 Dark Up 44.4 265.5 Up 09:01:02 - 09:20:52 -3293
CPSLO 09:11:17 -70.7 Dark Up 49.4 260.4 Up 09:01:22 - 09:21:12 -3297
Parker 09:10:56 -66.7 Dark Up 44.4 265.9 Up 09:01:01 - 09:20:51 -3329
George/Scottsdale 09:10:49 -64.9 Dark Up 42.5 267.7 Up 09:00:54 - 09:20:44 -3334
Blythe 09:10:57 -67.1 Dark Up 44.7 266.2 Up 09:01:02 - 09:20:52 -3390
Wildwood 09:11:09 -69.9 Dark Up 48.0 263.2 Up 09:01:14 - 09:21:04 -3399
Idyllwild 09:11:03 -68.7 Dark Up 46.5 264.8 Up 09:01:08 - 09:20:58 -3410
Calipatria 09:10:58 -68.0 Dark Up 45.5 266.1 Up 09:01:03 - 09:20:53 -3457
Yuma 09:10:55 -67.4 Dark Up 44.8 267.1 Up 09:01:00 - 09:20:50 -3489

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 15VW165, (2024/12/22 09:14UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  5.25 105
44Zet Per      03:54:07.9 +31:53:01  2.8 12.93 111
PPM 093481     04:23:32.4 +20:58:54  5.9  0.68 108
PPM 093455     04:22:22.8 +20:49:16  7.6  0.38 108
PPM 093436     04:20:43.6 +20:26:56 11.0  0.19 108
15VW165        04:21:30.8 +20:29:58 13.9       108
Positions are for J2000

Event circumstances last updated at 2021/03/01 01:06:47 UT

Marc W. Buie, Southwest Research Institute

RECON