RECON: TNO occultation with 10VR11

Event between 10VR11 and star GA1100:01141332 with event index number of 1201233

Geocentric closest approach at 2023/01/06 07:21:09 UTC

J2000 position of star is 05:29:45.8 +21:19:44
Equinox of date position of star is 05:30:58.4 +21:20:36
Stellar brightness G=15.9, use SENSEUP=128
Star is 17 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=25.6

[RECON map]
TNO is 36.5 AU from the Sun and 35.6 AU from the Earth.
The TNO is moving 23.7 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 165 seconds.
The 1-sigma cross-track error in the shadow position is 2843 km.
The sky-plane scale is 25790.6 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=457.1 km assuming a 5% albedo -- 2.5 sec chord
Diameter=186.6 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VR11, (2023/01/06 07:21UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.6 +16:33:14  0.8 13.61  30
Alnath         05:27:44.9 +28:37:29  1.6  7.32  16
114 Tau        05:29:01.1 +21:57:17  4.7  0.78  17
PPM 094420     05:31:37.2 +20:34:03  7.1  0.79  17
PPM 094419     05:31:30.5 +21:23:47  9.1  0.10  17
10VR11         05:31:08.5 +21:20:43 15.9        16
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 23.6 km RECON observability=1.0 and success probability=14.5%
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 07:20:38 -61.1 Dark Up 59.0 206.0 Up 07:06:22 - 07:34:55 3061
Kelowna 07:20:38 -61.4 Dark Up 59.4 206.1 Up 07:06:22 - 07:34:55 3022
Peachland 07:20:39 -61.4 Dark Up 59.6 205.6 Up 07:06:23 - 07:34:56 3008
Summerland 07:20:39 -61.6 Dark Up 59.7 205.9 Up 07:06:22 - 07:34:55 2995
Penticton 07:20:38 -61.7 Dark Up 59.8 206.1 Up 07:06:22 - 07:34:55 2990
Oliver 07:20:38 -62.0 Dark Up 60.1 206.4 Up 07:06:21 - 07:34:54 2956
Anarchist Mountain Observatory 07:20:37 -62.2 Dark Up 60.2 206.9 Up 07:06:20 - 07:34:53 2943
Tonasket 07:20:37 -62.5 Dark Up 60.5 207.0 Up 07:06:20 - 07:34:53 2912
Okanogan 07:20:37 -62.7 Dark Up 60.8 207.0 Up 07:06:20 - 07:34:53 2878
Victoria 07:20:49 -61.5 Dark Up 61.7 199.9 Up 07:06:32 - 07:35:05 2851
Brewster 07:20:37 -62.9 Dark Up 61.1 206.9 Up 07:06:21 - 07:34:54 2849
Manson/Chelan 07:20:38 -63.0 Dark Up 61.4 206.4 Up 07:06:22 - 07:34:55 2825
Entiat 07:20:38 -63.2 Dark Up 61.6 206.4 Up 07:06:21 - 07:34:54 2802
Wenatchee 07:20:38 -63.4 Dark Up 61.9 206.4 Up 07:06:22 - 07:34:55 2776
Ellensburg 07:20:38 -63.7 Dark Up 62.3 206.4 Up 07:06:22 - 07:34:55 2734
Yakima 07:20:38 -64.1 Dark Up 62.7 206.7 Up 07:06:21 - 07:34:54 2693
Pasco 07:20:34 -64.8 Dark Up 62.5 209.7 Up 07:06:17 - 07:34:50 2678
Toppenish/White Swan 07:20:38 -64.3 Dark Up 62.8 207.2 Up 07:06:21 - 07:34:54 2674
PNWRO 07:20:32 -65.1 Dark Up 62.7 210.3 Up 07:06:16 - 07:34:49 2656
Goldendale 07:20:38 -64.7 Dark Up 63.5 206.9 Up 07:06:21 - 07:34:54 2615
The Dalles 07:20:39 -64.8 Dark Up 63.8 206.3 Up 07:06:22 - 07:34:55 2588
Maupin 07:20:38 -65.2 Dark Up 64.1 206.9 Up 07:06:22 - 07:34:55 2548
Redmond 07:20:38 -66.0 Dark Up 64.9 207.6 Up 07:06:21 - 07:34:54 2456
Sisters 07:20:39 -65.8 Dark Up 65.1 206.8 Up 07:06:22 - 07:34:55 2454
Bend 07:20:38 -66.1 Dark Up 65.2 207.5 Up 07:06:21 - 07:34:54 2433
Oregon Observatory 07:20:38 -66.2 Dark Up 65.4 207.4 Up 07:06:22 - 07:34:55 2414
La Pine/Gilchrist 07:20:38 -66.4 Dark Up 65.6 207.5 Up 07:06:22 - 07:34:55 2393
North Lake 07:20:36 -67.0 Dark Up 65.8 209.2 Up 07:06:19 - 07:34:52 2357
Paisley 07:20:34 -67.6 Dark Up 66.1 210.6 Up 07:06:18 - 07:34:51 2305
Niwot 07:19:41 -72.2 Dark Up 59.7 240.0 Up 07:05:25 - 07:33:58 2297
SwRI 07:19:41 -72.3 Dark Up 59.9 240.0 Up 07:05:24 - 07:33:57 2285
Lakeview 07:20:33 -68.1 Dark Up 66.5 211.6 Up 07:06:16 - 07:34:49 2256
Klamath Falls 07:20:38 -67.5 Dark Up 67.0 208.5 Up 07:06:21 - 07:34:54 2242
Cedarville 07:20:32 -68.7 Dark Up 67.0 212.8 Up 07:06:15 - 07:34:48 2192
Fall River/Burney 07:20:35 -68.6 Dark Up 67.8 210.7 Up 07:06:19 - 07:34:52 2126
Susanville 07:20:32 -69.5 Dark Up 68.1 213.2 Up 07:06:16 - 07:34:49 2071
Gimple 07:20:33 -69.6 Dark Up 68.4 213.1 Up 07:06:16 - 07:34:49 2040
Greenville 07:20:33 -69.6 Dark Up 68.4 212.9 Up 07:06:16 - 07:34:49 2039
Quincy 07:20:33 -69.7 Dark Up 68.6 213.2 Up 07:06:16 - 07:34:49 2018
Portola 07:20:31 -70.0 Dark Up 68.5 214.4 Up 07:06:14 - 07:34:47 2011
Reno 07:20:28 -70.5 Dark Up 68.4 216.2 Up 07:06:12 - 07:34:45 1993
Carson City 07:20:28 -70.8 Dark Up 68.7 216.8 Up 07:06:11 - 07:34:44 1956
Yerington 07:20:26 -71.3 Dark Up 68.6 218.5 Up 07:06:09 - 07:34:42 1944
Gardnerville 07:20:28 -71.1 Dark Up 68.9 217.3 Up 07:06:11 - 07:34:44 1931
Hawthorne 07:20:23 -71.9 Dark Up 68.7 220.4 Up 07:06:06 - 07:34:39 1904
Tonopah 07:20:18 -72.8 Dark Up 68.3 224.1 Up 07:06:01 - 07:34:34 1876
Lee Vining 07:20:24 -72.2 Dark Up 69.4 220.3 Up 07:06:08 - 07:34:41 1838
Bishop 07:20:21 -73.0 Dark Up 69.4 222.9 Up 07:06:05 - 07:34:38 1786
Beatty 07:20:15 -74.0 Dark Up 68.9 227.1 Up 07:05:58 - 07:34:31 1762
Indian Springs 07:20:11 -74.7 Dark Up 68.4 229.8 Up 07:05:54 - 07:34:27 1746
Henderson 07:20:08 -75.4 Dark Up 68.3 232.2 Up 07:05:51 - 07:34:24 1701
Patrick 07:20:03 -76.3 Dark Up 68.0 235.4 Up 07:05:46 - 07:34:19 1655
Searchlight/Boulder City 07:20:07 -75.9 Dark Up 68.7 233.4 Up 07:05:50 - 07:34:23 1642
DCO 07:20:00 -76.8 Dark Up 67.7 237.2 Up 07:05:44 - 07:34:17 1635
Kingman/Dolan Springs 07:20:04 -76.5 Dark Up 68.2 235.5 Up 07:05:47 - 07:34:20 1628
Laughlin/Bullhead City 07:20:05 -76.3 Dark Up 68.6 234.6 Up 07:05:49 - 07:34:22 1617
Mohave Valley 07:20:05 -76.6 Dark Up 68.8 235.2 Up 07:05:48 - 07:34:21 1588
Lake Havasu City 07:20:04 -77.0 Dark Up 68.8 236.5 Up 07:05:47 - 07:34:20 1550
CPSLO 07:20:28 -73.5 Dark Up 72.2 221.7 Up 07:06:11 - 07:34:44 1537
Parker 07:20:03 -77.4 Dark Up 69.0 237.3 Up 07:05:47 - 07:34:20 1514
George/Scottsdale 07:19:54 -78.4 Dark Up 67.5 242.1 Up 07:05:37 - 07:34:10 1513
Blythe 07:20:03 -77.7 Dark Up 69.5 238.0 Up 07:05:47 - 07:34:20 1453
Wildwood 07:20:19 -75.5 Dark Up 71.8 229.1 Up 07:06:02 - 07:34:35 1439
Idyllwild 07:20:11 -76.7 Dark Up 70.9 233.8 Up 07:05:55 - 07:34:28 1431
Calipatria 07:20:06 -77.8 Dark Up 70.4 237.5 Up 07:05:50 - 07:34:23 1385
Yuma 07:20:03 -78.5 Dark Up 70.0 240.1 Up 07:05:46 - 07:34:19 1355

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 10VR11, (2023/01/06 07:21UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 13.61  30
Alnath         05:26:17.5 +28:36:23  1.6  7.32  16
114 Tau        05:27:38.1 +21:56:13  4.7  0.78  17
PPM 094420     05:30:15.0 +20:33:05  7.1  0.79  17
PPM 094419     05:30:07.8 +21:22:48  9.1  0.10  17
10VR11         05:29:45.8 +21:19:44 15.9        17
Positions are for J2000

Event circumstances last updated at 2020/03/15 20:34:47 UT

Marc W. Buie, Southwest Research Institute

RECON