RECON: TNO occultation with 10VR11

Event between 10VR11 and star GA1100:01244444 with event index number of 1201203

Geocentric closest approach at 2022/08/24 10:48:00 UTC

J2000 position of star is 05:36:14.2 +21:08:38
Equinox of date position of star is 05:37:24.0 +21:09:18
Stellar brightness G=14.4, use SENSEUP=128
Star is 35 degrees from the moon. Moon is 8% illuminated.
TNO apparent brightness V=21.4

[RECON map]
TNO is 36.5 AU from the Sun and 36.9 AU from the Earth.
The TNO is moving 16.0 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 273 seconds.
The 1-sigma cross-track error in the shadow position is 3166 km.
The sky-plane scale is 26757.7 km/arcsec.

The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 28.6 sec chord
Diameter=186.6 km assuming a 30% albedo -- 11.7 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VR11, (2022/08/24 10:48UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:23.9 +07:24:34  0.4 14.48  36
Alnath         05:27:43.5 +28:37:28  1.6  7.80  36
123Zet Tau     05:39:00.0 +21:09:16  3.0  0.33  35
PPM 094534     05:37:01.9 +21:24:58  7.3  0.29  35
PPM 094552     05:37:44.3 +21:11:57  9.2  0.05  35
10VR11         05:37:35.5 +21:09:24 14.4        35
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 3.3 sigma about the mid-time.
The median site spacing is 15.5 km RECON observability=1.0 and success probability=12.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 10:44:37 -19.2 Dark Up 29.0 91.1 Low 10:29:37 - 10:59:37 2454
Summerland 10:44:35 -19.6 Dark Up 28.9 90.7 Low 10:29:35 - 10:59:35 2443
Penticton 10:44:34 -19.6 Dark Up 28.9 90.7 Low 10:29:34 - 10:59:34 2435
Okanagan Falls 10:44:33 -19.7 Dark Up 28.9 90.6 Low 10:29:33 - 10:59:33 2424
Oliver 10:44:32 -19.9 Dark Up 28.9 90.5 Low 10:29:32 - 10:59:32 2412
Anarchist Mountain Observatory 10:44:31 -19.9 Dark Up 29.1 90.6 Low 10:29:31 - 10:59:31 2395
Oroville 10:44:31 -20.0 Dark Up 29.0 90.5 Low 10:29:31 - 10:59:31 2393
Tonasket 10:44:29 -20.2 Dark Up 29.0 90.3 Low 10:29:29 - 10:59:29 2377
Okanogan 10:44:27 -20.5 Dark Up 28.9 90.0 Low 10:29:27 - 10:59:27 2359
Brewster 10:44:26 -20.8 Dark Up 28.8 89.7 Low 10:29:26 - 10:59:26 2347
Manson/Chelan 10:44:24 -21.1 Dark Up 28.5 89.3 Low 10:29:24 - 10:59:24 2343
Entiat 10:44:22 -21.3 Dark Up 28.4 89.2 Low 10:29:22 - 10:59:22 2331
Wenatchee 10:44:21 -21.5 Dark Up 28.4 89.0 Low 10:29:21 - 10:59:21 2317
Ellensburg 10:44:18 -21.9 Dark Up 28.2 88.6 Low 10:29:18 - 10:59:18 2295
Yakima 10:44:16 -22.2 Dark Up 28.2 88.3 Low 10:29:16 - 10:59:16 2268
Toppenish/White Swan 10:44:16 -22.3 Dark Up 28.3 88.3 Low 10:29:16 - 10:59:16 2248
Goldendale 10:44:12 -22.9 Dark Up 28.0 87.7 Low 10:29:12 - 10:59:12 2223
The Dalles 10:44:09 -23.3 Dark Up 27.7 87.3 Low 10:29:09 - 10:59:09 2218
Pasco 10:44:16 -21.8 Dark Up 29.2 89.2 Low 10:29:16 - 10:59:16 2202
Maupin 10:44:09 -23.5 Dark Up 27.7 87.2 Low 10:29:09 - 10:59:09 2186
George/Umatilla 10:44:14 -22.1 Dark Up 29.0 88.8 Low 10:29:14 - 10:59:14 2185
PNWRO 10:44:16 -21.9 Dark Up 29.3 89.2 Low 10:29:16 - 10:59:16 2178
Madras/Culver 10:44:05 -24.0 Dark Up 27.7 86.9 Low 10:29:05 - 10:59:05 2149
Sisters 10:44:03 -24.4 Dark Up 27.3 86.4 Low 10:29:03 - 10:59:03 2139
Redmond 10:44:02 -24.3 Dark Up 27.6 86.6 Low 10:29:02 - 10:59:02 2125
Bend 10:44:02 -24.5 Dark Up 27.5 86.4 Low 10:29:02 - 10:59:02 2114
Oregon Observatory 10:44:00 -24.7 Dark Up 27.4 86.2 Low 10:29:00 - 10:59:00 2106
La Pine/Gilchrist 10:43:59 -24.9 Dark Up 27.3 86.1 Low 10:28:59 - 10:58:59 2093
North Lake 10:43:58 -24.9 Dark Up 27.7 86.3 Low 10:28:58 - 10:58:58 2043
Chiloquin 10:43:53 -25.9 Dark Up 27.0 85.3 Low 10:28:53 - 10:58:53 2024
Klamath Falls 10:43:52 -26.1 Dark Up 27.0 85.2 Low 10:28:52 - 10:58:52 1996
Paisley 10:43:55 -25.1 Dark Up 27.9 86.2 Low 10:28:55 - 10:58:55 1991
Tulelake 10:43:50 -26.1 Dark Up 27.2 85.2 Low 10:28:50 - 10:58:50 1967
Lakeview 10:43:53 -25.4 Dark Up 28.0 86.1 Low 10:28:53 - 10:58:53 1948
Fall River/Burney 10:43:46 -26.8 Dark Up 27.2 84.8 Low 10:28:46 - 10:58:46 1897
Cedarville 10:43:50 -25.8 Dark Up 28.1 85.8 Low 10:28:50 - 10:58:50 1893
Susanville 10:43:43 -26.8 Dark Up 27.6 84.9 Low 10:28:43 - 10:58:43 1825
Greenville 10:43:42 -27.2 Dark Up 27.4 84.6 Low 10:28:42 - 10:58:42 1814
Gimple 10:43:42 -27.1 Dark Up 27.5 84.6 Low 10:28:42 - 10:58:42 1811
Quincy 10:43:41 -27.3 Dark Up 27.4 84.5 Low 10:28:41 - 10:58:41 1798
Portola 10:43:41 -27.2 Dark Up 27.7 84.7 Low 10:28:41 - 10:58:41 1773
Reno 10:43:40 -27.0 Dark Up 28.2 84.9 Low 10:28:40 - 10:58:40 1731
Carson City 10:43:39 -27.2 Dark Up 28.2 84.8 Low 10:28:39 - 10:58:39 1702
Gardnerville 10:43:37 -27.4 Dark Up 28.2 84.7 Low 10:28:37 - 10:58:37 1681
Yerington 10:43:39 -27.0 Dark Up 28.7 85.0 Low 10:28:39 - 10:58:39 1666
Hawthorne 10:43:37 -27.0 Dark Up 29.0 85.1 Low 10:28:37 - 10:58:37 1611
Lee Vining 10:43:34 -27.7 Dark Up 28.6 84.5 Low 10:28:34 - 10:58:34 1583
Tonopah 10:43:38 -26.5 Dark Up 30.1 85.7 Up 10:28:38 - 10:58:38 1526
Bishop 10:43:32 -27.7 Dark Up 29.1 84.6 Low 10:28:32 - 10:58:32 1510
Lone Pine 10:43:29 -28.0 Dark Up 29.3 84.3 Low 10:28:29 - 10:58:29 1437
CPSLO 10:43:18 -30.5 Dark Up 27.0 82.2 Low 10:28:18 - 10:58:18 1422
Beatty 10:43:33 -27.0 Dark Up 30.3 85.2 Up 10:28:33 - 10:58:33 1417
Indian Springs 10:43:33 -26.6 Dark Up 31.2 85.6 Up 10:28:33 - 10:58:33 1352
Niwot 10:44:14 -17.7 AT Up 39.6 94.8 Up 10:29:14 - 10:59:14 1293
SwRI 10:44:14 -17.8 AT Up 39.5 94.7 Up 10:29:14 - 10:59:14 1287
Henderson 10:43:32 -26.5 Dark Up 31.7 85.7 Up 10:28:32 - 10:58:32 1284
Wildwood 10:43:17 -30.0 Dark Up 28.5 82.6 Low 10:28:17 - 10:58:17 1249
Searchlight/Boulder City 10:43:29 -26.8 Dark Up 31.7 85.4 Up 10:28:29 - 10:58:29 1234
Laughlin/Bullhead City 10:43:29 -26.8 Dark Up 32.0 85.4 Up 10:28:29 - 10:58:29 1196
Patrick 10:43:31 -26.1 Dark Up 32.6 85.9 Up 10:28:31 - 10:58:31 1192
Kingman/Dolan Springs 10:43:30 -26.4 Dark Up 32.4 85.7 Up 10:28:30 - 10:58:30 1180
Mohave Valley 10:43:28 -26.9 Dark Up 31.9 85.2 Up 10:28:28 - 10:58:28 1173
Idyllwild 10:43:18 -29.1 Dark Up 30.0 83.4 Up 10:28:18 - 10:58:18 1151
DCO 10:43:33 -25.9 Dark Up 33.1 86.1 Up 10:28:33 - 10:58:33 1141
Lake Havasu City 10:43:27 -27.0 Dark Up 32.1 85.1 Up 10:28:27 - 10:58:27 1130
Parker 10:43:25 -27.2 Dark Up 32.1 84.9 Up 10:28:25 - 10:58:25 1099
Blythe 10:43:22 -27.7 Dark Up 31.8 84.4 Up 10:28:22 - 10:58:22 1065
Calipatria 10:43:18 -28.7 Dark Up 30.9 83.6 Up 10:28:18 - 10:58:18 1057
Yuma 10:43:18 -28.3 Dark Up 31.6 83.8 Up 10:28:18 - 10:58:18 987

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, (2022/08/24 10:48UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 14.48  36
Alnath         05:26:17.5 +28:36:23  1.6  7.80  36
123Zet Tau     05:37:38.7 +21:08:33  3.0  0.33  35
PPM 094534     05:35:40.5 +21:24:11  7.3  0.29  35
PPM 094552     05:36:23.0 +21:11:12  9.2  0.05  35
10VR11         05:36:14.2 +21:08:38 14.4        35
Positions are for J2000

Event circumstances last updated at 2019/06/08 04:02:34 UT

Marc W. Buie, Southwest Research Institute

RECON