RECON: TNO occultation with 10VW224

Event between 10VW224 and star GA1080:00954277 with event index number of 1320229

Geocentric closest approach at 2023/10/29 10:16:18 UTC

J2000 position of star is 05:20:29.0 +19:38:14
Equinox of date position of star is 05:21:37.1 +19:39:19
Stellar brightness G=15.3, use SENSEUP=128
Star is 38 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 49.7 AU from the Sun and 49.0 AU from the Earth.
The TNO is moving 17.5 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 1005 seconds.
The 1-sigma cross-track error in the shadow position is 4307 km.
The sky-plane scale is 35559.2 km/arcsec.

The TNO has an absolute magnitude Hv=5.6
Diameter=452.9 km assuming a 5% albedo -- 25.8 sec chord
Diameter=184.9 km assuming a 30% albedo -- 10.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 10VW224, (2023/10/29 10:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.4 +16:33:20  0.8 11.04  27
Alnath         05:27:48.0 +28:37:32  1.6  9.07  39
PPM 120839     05:21:42.7 +19:36:02  6.5  0.07  38
10VW224        05:21:53.5 +19:39:34 15.3        38
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 0.9 sigma about the mid-time.
The median site spacing is 22.8 km RECON observability=1.0 and success probability=11.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 10:16:33 -41.7 Dark Up 59.1 165.4 Up 10:01:33 - 10:31:33 1313
Summerland 10:16:34 -42.1 Dark Up 59.3 164.8 Up 10:01:34 - 10:31:34 1289
Penticton 10:16:34 -42.0 Dark Up 59.4 165.0 Up 10:01:34 - 10:31:34 1281
Okanagan Falls 10:16:34 -42.2 Dark Up 59.6 164.9 Up 10:01:34 - 10:31:34 1263
Oliver 10:16:34 -42.2 Dark Up 59.8 164.8 Up 10:01:34 - 10:31:34 1248
Anarchist Mountain Observatory 10:16:34 -42.2 Dark Up 60.0 165.1 Up 10:01:34 - 10:31:34 1229
Oroville 10:16:34 -42.3 Dark Up 60.0 164.9 Up 10:01:34 - 10:31:34 1223
Tonasket 10:16:34 -42.4 Dark Up 60.2 164.8 Up 10:01:34 - 10:31:34 1201
Okanogan 10:16:35 -42.7 Dark Up 60.5 164.4 Up 10:01:35 - 10:31:35 1170
Brewster 10:16:36 -43.0 Dark Up 60.8 163.9 Up 10:01:36 - 10:31:36 1147
Manson/Chelan 10:16:38 -43.3 Dark Up 60.9 163.1 Up 10:01:38 - 10:31:38 1131
Entiat 10:16:39 -43.5 Dark Up 61.1 162.9 Up 10:01:39 - 10:31:39 1111
Wenatchee 10:16:40 -43.7 Dark Up 61.3 162.6 Up 10:01:40 - 10:31:40 1087
Ellensburg 10:16:41 -44.0 Dark Up 61.7 161.9 Up 10:01:41 - 10:31:41 1050
Yakima 10:16:42 -44.2 Dark Up 62.1 161.6 Up 10:01:42 - 10:31:42 1011
Toppenish/White Swan 10:16:41 -44.3 Dark Up 62.3 161.8 Up 10:01:41 - 10:31:41 988
Pasco 10:16:36 -43.6 Dark Up 62.7 164.3 Up 10:01:36 - 10:31:36 961
Goldendale 10:16:44 -44.8 Dark Up 62.7 160.7 Up 10:01:44 - 10:31:44 940
PNWRO 10:16:35 -43.6 Dark Up 62.9 164.6 Up 10:01:35 - 10:31:35 935
George/Umatilla 10:16:38 -43.9 Dark Up 62.9 163.7 Up 10:01:38 - 10:31:38 931
The Dalles 10:16:46 -45.1 Dark Up 62.9 159.8 Up 10:01:46 - 10:31:46 922
Maupin 10:16:46 -45.3 Dark Up 63.3 159.7 Up 10:01:46 - 10:31:46 880
Madras/Culver 10:16:47 -45.6 Dark Up 63.8 159.3 Up 10:01:47 - 10:31:47 827
Sisters 10:16:49 -46.1 Dark Up 64.0 158.1 Up 10:01:49 - 10:31:49 799
Redmond 10:16:47 -45.9 Dark Up 64.1 158.9 Up 10:01:47 - 10:31:47 792
Bend 10:16:48 -46.1 Dark Up 64.3 158.5 Up 10:01:48 - 10:31:48 773
Oregon Observatory 10:16:49 -46.2 Dark Up 64.4 158.1 Up 10:01:49 - 10:31:49 757
La Pine/Gilchrist 10:16:50 -46.4 Dark Up 64.6 157.8 Up 10:01:50 - 10:31:50 738
North Lake 10:16:47 -46.2 Dark Up 65.1 158.7 Up 10:01:47 - 10:31:47 687
Chiloquin 10:16:53 -47.2 Dark Up 65.5 156.1 Up 10:01:53 - 10:31:53 632
Paisley 10:16:47 -46.3 Dark Up 65.7 159.1 Up 10:01:47 - 10:31:47 627
Klamath Falls 10:16:53 -47.3 Dark Up 65.8 156.0 Up 10:01:53 - 10:31:53 596
Lakeview 10:16:46 -46.4 Dark Up 66.3 159.1 Up 10:01:46 - 10:31:46 574
Tulelake 10:16:52 -47.3 Dark Up 66.2 156.4 Up 10:01:52 - 10:31:52 565
Cedarville 10:16:46 -46.6 Dark Up 66.9 158.9 Up 10:01:46 - 10:31:46 505
Fall River/Burney 10:16:53 -47.7 Dark Up 67.0 155.7 Up 10:01:53 - 10:31:53 472
Susanville 10:16:50 -47.5 Dark Up 67.8 156.8 Up 10:01:50 - 10:31:50 399
Greenville 10:16:52 -47.8 Dark Up 68.0 155.9 Up 10:01:52 - 10:31:52 374
Gimple 10:16:51 -47.8 Dark Up 68.0 156.1 Up 10:01:51 - 10:31:51 373
Quincy 10:16:52 -47.9 Dark Up 68.2 155.7 Up 10:01:52 - 10:31:52 354
Portola 10:16:50 -47.6 Dark Up 68.4 156.7 Up 10:01:50 - 10:31:50 334
Reno 10:16:47 -47.3 Dark Up 68.9 158.0 Up 10:01:47 - 10:31:47 299
Carson City 10:16:48 -47.5 Dark Up 69.2 157.7 Up 10:01:48 - 10:31:48 261
Gardnerville 10:16:47 -47.6 Dark Up 69.4 157.6 Up 10:01:47 - 10:31:47 236
Yerington 10:16:45 -47.1 Dark Up 69.6 159.1 Up 10:01:45 - 10:31:45 233
Niwot 10:15:37 -36.8 Dark Up 68.9 196.2 Up 10:00:37 - 10:30:37 216
SwRI 10:15:38 -36.9 Dark Up 69.0 196.0 Up 10:00:38 - 10:30:38 206
Hawthorne 10:16:43 -47.0 Dark Up 70.1 160.0 Up 10:01:43 - 10:31:43 178
Lee Vining 10:16:46 -47.5 Dark Up 70.5 158.2 Up 10:01:46 - 10:31:46 126
Tonopah 10:16:36 -46.1 Dark Up 70.9 163.4 Up 10:01:36 - 10:31:36 112
Bishop 10:16:43 -47.3 Dark Up 71.3 159.5 Up 10:01:43 - 10:31:43 55
Beatty 10:16:35 -46.3 Dark Up 72.1 163.7 Up 10:01:35 - 10:31:35 -14
Lone Pine 10:16:42 -47.3 Dark Up 72.1 159.7 Up 10:01:42 - 10:31:42 -29
Indian Springs 10:16:30 -45.6 Dark Up 72.7 166.7 Up 10:01:30 - 10:31:30 -61
Henderson 10:16:27 -45.2 Dark Up 73.3 168.5 Up 10:01:27 - 10:31:27 -125
CPSLO 10:16:56 -49.7 Dark Up 72.4 150.6 Up 10:01:56 - 10:31:56 -130
Searchlight/Boulder City 10:16:27 -45.4 Dark Up 73.9 168.3 Up 10:01:27 - 10:31:27 -186
Patrick 10:16:22 -44.6 Dark Up 74.1 171.7 Up 10:01:22 - 10:31:22 -204
Laughlin/Bullhead City 10:16:26 -45.2 Dark Up 74.2 169.2 Up 10:01:26 - 10:31:26 -222
Kingman/Dolan Springs 10:16:23 -44.8 Dark Up 74.3 171.0 Up 10:01:23 - 10:31:23 -225
DCO 10:16:19 -44.1 Dark Up 74.5 174.0 Up 10:01:19 - 10:31:19 -244
Mohave Valley 10:16:26 -45.3 Dark Up 74.5 169.1 Up 10:01:26 - 10:31:26 -251
Wildwood 10:16:47 -48.6 Dark Up 74.3 154.9 Up 10:01:47 - 10:31:47 -286
Lake Havasu City 10:16:25 -45.2 Dark Up 74.9 169.7 Up 10:01:25 - 10:31:25 -296
Parker 10:16:25 -45.3 Dark Up 75.3 169.5 Up 10:01:25 - 10:31:25 -334
Idyllwild 10:16:38 -47.3 Dark Up 75.2 160.6 Up 10:01:38 - 10:31:38 -348
Blythe 10:16:27 -45.7 Dark Up 75.7 168.1 Up 10:01:27 - 10:31:27 -386
Calipatria 10:16:32 -46.5 Dark Up 76.0 164.1 Up 10:01:32 - 10:31:32 -428
Yuma 10:16:28 -45.9 Dark Up 76.6 167.1 Up 10:01:28 - 10:31:28 -485

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 10VW224, (2023/10/29 10:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 11.04  27
Alnath         05:26:17.5 +28:36:23  1.6  9.07  39
PPM 120839     05:20:18.3 +19:34:41  6.5  0.07  38
10VW224        05:20:29.0 +19:38:14 15.3        38
Positions are for J2000

Event circumstances last updated at 2019/03/20 10:02:02 UT

Marc W. Buie, Southwest Research Institute

RECON