RECON: TNO occultation with 11HN104

Event between 11HN104 and star GA0840:06028600 with event index number of 1576248

Geocentric closest approach at 2022/07/22 08:41:36 UTC

J2000 position of star is 17:35:51.9 -05:47:31
Equinox of date position of star is 17:36:54.5 -05:48:12
Stellar brightness G=15.4, use SENSEUP=128
Star is 142 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 30.2 AU from the Sun and 29.4 AU from the Earth.
The TNO is moving 18.7 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 210 seconds.
The 1-sigma cross-track error in the shadow position is 1180 km.
The sky-plane scale is 21337.6 km/arcsec.

The TNO has an absolute magnitude Hv=8.0
Diameter=152.1 km assuming a 5% albedo -- 8.1 sec chord
Diameter=62.1 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 11HN104, (2022/07/22 08:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.6 -26:28:48  0.9 26.02 159
60Bet Oph      17:44:35.3 +04:33:34  2.8 10.53 136
PPM 200792     17:34:42.2 -05:45:34  5.6  0.59 143
PPM 200831     17:36:42.6 -05:56:41  8.4  0.17 142
11HN104        17:37:04.3 -05:48:18 15.4       142
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 4.3 sigma about the mid-time.
The median site spacing is 19.3 km RECON observability=1.0 and success probability=10.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:37:53 -19.5 Dark Up 21.5 230.5 Low 08:22:53 - 08:52:53 -1997
Summerland 08:37:52 -19.8 Dark Up 21.8 230.3 Low 08:22:52 - 08:52:52 -2015
Penticton 08:37:52 -19.8 Dark Up 21.8 230.5 Low 08:22:52 - 08:52:52 -2022
Okanagan Falls 08:37:52 -20.0 Dark Up 21.9 230.5 Low 08:22:52 - 08:52:52 -2037
Oliver 08:37:52 -20.2 Dark Up 22.0 230.6 Low 08:22:52 - 08:52:52 -2050
Anarchist Mountain Observatory 08:37:51 -20.3 Dark Up 22.0 230.8 Low 08:22:51 - 08:52:51 -2067
Oroville 08:37:50 -20.4 Dark Up 22.1 230.8 Low 08:22:50 - 08:52:50 -2072
Tonasket 08:37:50 -20.6 Dark Up 22.3 230.8 Low 08:22:50 - 08:52:50 -2091
Okanogan 08:37:50 -21.0 Dark Up 22.6 230.8 Low 08:22:50 - 08:52:50 -2115
Brewster 08:37:50 -21.3 Dark Up 22.8 230.7 Low 08:22:50 - 08:52:50 -2133
Manson/Chelan 08:37:50 -21.5 Dark Up 23.2 230.4 Low 08:22:50 - 08:52:50 -2143
Wenatchee 08:37:50 -22.0 Dark Up 23.6 230.4 Low 08:22:50 - 08:52:50 -2178
Ellensburg 08:37:50 -22.4 Dark Up 23.9 230.4 Low 08:22:50 - 08:52:50 -2208
Yakima 08:37:49 -22.8 Dark Up 24.2 230.5 Low 08:22:49 - 08:52:49 -2241
Toppenish/White Swan 08:37:47 -23.0 Dark Up 24.3 230.7 Low 08:22:47 - 08:52:47 -2262
Pasco 08:37:44 -23.0 Dark Up 23.7 231.9 Low 08:22:44 - 08:52:44 -2296
Goldendale 08:37:48 -23.6 Dark Up 24.8 230.5 Low 08:22:48 - 08:52:48 -2300
The Dalles 08:37:49 -23.9 Dark Up 25.2 230.3 Low 08:22:49 - 08:52:49 -2311
George/Umatilla 08:37:43 -23.4 Dark Up 24.0 231.8 Low 08:22:43 - 08:52:43 -2320
PNWRO 08:37:43 -23.3 Dark Up 23.7 232.2 Low 08:22:43 - 08:52:43 -2321
Maupin 08:37:47 -24.3 Dark Up 25.4 230.5 Low 08:22:47 - 08:52:47 -2348
Madras/Culver 08:37:46 -24.8 Dark Up 25.8 230.7 Low 08:22:46 - 08:52:46 -2394
Sisters 08:37:48 -25.2 Dark Up 26.2 230.4 Low 08:22:48 - 08:52:48 -2413
Redmond 08:37:46 -25.2 Dark Up 26.0 230.8 Low 08:22:46 - 08:52:46 -2423
Bend 08:37:46 -25.4 Dark Up 26.2 230.7 Low 08:22:46 - 08:52:46 -2438
Oregon Observatory 08:37:46 -25.6 Dark Up 26.4 230.6 Low 08:22:46 - 08:52:46 -2450
La Pine/Gilchrist 08:37:46 -25.8 Dark Up 26.6 230.7 Low 08:22:46 - 08:52:46 -2467
North Lake 08:37:43 -26.2 Dark Up 26.5 231.4 Low 08:22:43 - 08:52:43 -2516
Chiloquin 08:37:46 -26.9 Dark Up 27.5 230.8 Low 08:22:46 - 08:52:46 -2555
Paisley 08:37:41 -26.7 Dark Up 26.7 231.9 Low 08:22:41 - 08:52:41 -2571
Klamath Falls 08:37:44 -27.3 Dark Up 27.7 231.0 Low 08:22:44 - 08:52:44 -2586
Tulelake 08:37:43 -27.5 Dark Up 27.7 231.4 Low 08:22:43 - 08:52:43 -2616
Lakeview 08:37:40 -27.2 Dark Up 26.9 232.3 Low 08:22:40 - 08:52:40 -2619
Cedarville 08:37:38 -27.8 Dark Up 27.2 232.7 Low 08:22:38 - 08:52:38 -2680
Fall River/Burney 08:37:41 -28.4 Dark Up 28.2 231.8 Low 08:22:41 - 08:52:41 -2697
Susanville 08:37:37 -29.0 Dark Up 28.1 232.7 Low 08:22:37 - 08:52:37 -2769
Greenville 08:37:39 -29.3 Dark Up 28.5 232.6 Low 08:22:39 - 08:52:39 -2787
Gimple 08:37:39 -29.3 Dark Up 28.4 232.7 Low 08:22:39 - 08:52:39 -2789
Quincy 08:37:38 -29.5 Dark Up 28.6 232.7 Low 08:22:38 - 08:52:38 -2805
Portola 08:37:36 -29.6 Dark Up 28.4 233.2 Low 08:22:36 - 08:52:36 -2827
Reno 08:37:35 -29.7 Dark Up 28.1 233.8 Low 08:22:35 - 08:52:35 -2865
Carson City 08:37:34 -30.1 Dark Up 28.3 234.0 Low 08:22:34 - 08:52:34 -2898
Gardnerville 08:37:33 -30.3 Dark Up 28.5 234.2 Low 08:22:33 - 08:52:33 -2921
Yerington 08:37:31 -30.2 Dark Up 28.1 234.6 Low 08:22:31 - 08:52:31 -2929
Hawthorne 08:37:29 -30.6 Dark Up 28.0 235.3 Low 08:22:29 - 08:52:29 -2982
Lee Vining 08:37:29 -31.2 Dark Up 28.6 235.1 Low 08:22:29 - 08:52:29 -3024
Tonopah 08:37:24 -30.9 Dark Up 27.3 236.7 Low 08:22:24 - 08:52:24 -3055
Bishop 08:37:27 -31.7 Dark Up 28.5 236.0 Low 08:22:27 - 08:52:27 -3095
SwRI 08:36:58 -26.2 Dark Up 18.4 245.3 Really Low 08:21:58 - 08:51:58 -3109
Lone Pine 08:37:24 -32.4 Dark Up 28.7 236.6 Low 08:22:24 - 08:52:24 -3173
Beatty 08:37:21 -31.9 Dark Up 27.7 237.6 Low 08:22:21 - 08:52:21 -3173
Indian Springs 08:37:17 -32.1 Dark Up 27.1 238.6 Low 08:22:17 - 08:52:17 -3227
CPSLO 08:37:31 -34.0 Dark Up 31.2 235.1 Up 08:22:31 - 08:52:31 -3237
Henderson 08:37:15 -32.4 Dark Up 26.9 239.4 Low 08:22:15 - 08:52:15 -3292
Searchlight/Boulder City 08:37:14 -33.0 Dark Up 27.2 239.7 Low 08:22:14 - 08:52:14 -3348
Patrick 08:37:11 -32.8 Dark Up 26.5 240.5 Low 08:22:11 - 08:52:11 -3376
Laughlin/Bullhead City 08:37:12 -33.2 Dark Up 27.1 240.1 Low 08:22:12 - 08:52:12 -3384
Kingman/Dolan Springs 08:37:11 -33.1 Dark Up 26.7 240.5 Low 08:22:11 - 08:52:11 -3393
Wildwood 08:37:23 -35.0 Dark Up 30.4 237.4 Up 08:22:23 - 08:52:23 -3398
Mohave Valley 08:37:12 -33.5 Dark Up 27.2 240.2 Low 08:22:12 - 08:52:12 -3410
Lake Havasu City 08:37:10 -33.8 Dark Up 27.2 240.6 Low 08:22:10 - 08:52:10 -3454
Idyllwild 08:37:16 -35.0 Dark Up 29.3 239.0 Low 08:22:16 - 08:52:16 -3475
Parker 08:37:10 -34.1 Dark Up 27.4 240.7 Low 08:22:10 - 08:52:10 -3489
Blythe 08:37:10 -34.7 Dark Up 27.9 240.7 Low 08:22:10 - 08:52:10 -3533
Calipatria 08:37:12 -35.4 Dark Up 28.8 240.3 Low 08:22:12 - 08:52:12 -3560
Yuma 08:37:09 -35.6 Dark Up 28.4 241.1 Low 08:22:09 - 08:52:09 -3622

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 11HN104, (2022/07/22 08:42UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 26.02 159
60Bet Oph      17:43:28.3 +04:34:05  2.8 10.53 136
PPM 200792     17:33:29.8 -05:44:43  5.6  0.59 143
PPM 200831     17:35:30.1 -05:55:54  8.4  0.17 142
11HN104        17:35:51.9 -05:47:31 15.4       142
Positions are for J2000

Event circumstances last updated at 2019/07/04 22:02:52 UT

Marc W. Buie, Southwest Research Institute

RECON