RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1060:01786992 with event index number of 2135008

Geocentric closest approach at 2022/12/04 14:08:47 UTC

J2000 position of star is 06:19:28.8 +17:11:01
Equinox of date position of star is 06:20:45.8 +17:10:22
Stellar brightness G=12.8, use SENSEUP=32 with the MallinCam and and exposure time of 500 milli-seconds with the QHY174 camera.
Star is 63 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 17.7 AU from the Sun and 16.8 AU from the Earth.
The TNO is moving 20.2 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
The 1-sigma error in the time of the event is 47 seconds.
The 1-sigma cross-track error in the shadow position is 658 km.
The sky-plane scale is 12152.9 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=72.1 km assuming a 5% albedo -- 3.6 sec chord
Diameter=29.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2022/12/04 14:08UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.8 +07:24:34  0.4 11.43  58
Alhena         06:39:02.2 +16:22:40  1.9  4.43  68
PPM 122270     06:20:21.8 +17:18:51  6.1  0.18  63
11UQ62         06:20:48.7 +17:10:21 12.8        64
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 0.0 km RECON observability=0.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 14:05:03 -7.2 NT Down 17.2 276.1 Really Low 14:00:40 - 14:09:26 6684
Kamloops 14:05:12 -15.0 AT Down 26.2 265.4 Low 14:00:49 - 14:09:35 6313
Kelowna 14:05:08 -14.2 AT Down 25.7 266.5 Low 14:00:45 - 14:09:31 6257
Peachland 14:05:08 -14.4 AT Down 25.9 266.3 Low 14:00:45 - 14:09:31 6243
Summerland 14:05:07 -14.3 AT Down 25.8 266.4 Low 14:00:44 - 14:09:30 6231
Penticton 14:05:07 -14.2 AT Down 25.8 266.6 Low 14:00:44 - 14:09:30 6227
Oliver 14:05:06 -14.1 AT Down 25.8 266.7 Low 14:00:43 - 14:09:29 6196
Anarchist Mountain Observatory 14:05:05 -13.9 AT Down 25.7 266.9 Low 14:00:42 - 14:09:28 6185
Tonasket 14:05:04 -13.8 AT Down 25.7 267.0 Low 14:00:41 - 14:09:27 6156
Okanogan 14:05:03 -13.8 AT Down 25.9 267.1 Low 14:00:40 - 14:09:26 6124
Brewster 14:05:02 -13.9 AT Down 26.0 267.1 Low 14:00:39 - 14:09:25 6096
Victoria 14:05:09 -16.3 AT Down 28.4 264.1 Low 14:00:46 - 14:09:32 6075
Manson/Chelan 14:05:02 -14.0 AT Down 26.3 266.9 Low 14:00:39 - 14:09:25 6071
Wenatchee 14:05:01 -14.0 AT Down 26.4 267.0 Low 14:00:38 - 14:09:24 6026
Ellensburg 14:04:59 -14.0 AT Down 26.6 267.0 Low 14:00:36 - 14:09:22 5985
Yakima 14:04:59 -13.9 AT Down 26.6 267.2 Low 14:00:36 - 14:09:22 5947
Toppenish/White Swan 14:04:58 -13.7 AT Down 26.5 267.4 Low 14:00:35 - 14:09:21 5930
PNWRO 14:04:55 -12.7 AT Down 25.5 268.7 Low 14:00:32 - 14:09:18 5923
Goldendale 14:04:57 -13.9 AT Down 26.8 267.4 Low 14:00:34 - 14:09:20 5873
The Dalles 14:04:56 -14.0 AT Down 27.1 267.2 Low 14:00:33 - 14:09:19 5845
Maupin 14:04:55 -13.8 AT Down 27.0 267.5 Low 14:00:32 - 14:09:18 5809
Sisters 14:04:53 -13.9 AT Down 27.4 267.6 Low 14:00:30 - 14:09:16 5718
Bend 14:04:52 -13.7 AT Down 27.3 267.9 Low 14:00:29 - 14:09:15 5701
Oregon Observatory 14:04:52 -13.7 AT Down 27.4 267.9 Low 14:00:29 - 14:09:15 5682
Dunrhomin 14:04:23 -1.3 CT Down 15.2 279.9 Really Low 14:00:00 - 14:08:46 5681
North Lake 14:04:49 -13.1 AT Down 27.0 268.6 Low 14:00:26 - 14:09:12 5632
Chiloquin 14:04:49 -13.6 AT Down 27.7 268.3 Low 14:00:26 - 14:09:12 5550
Lakeview 14:04:45 -12.4 AT Down 26.6 269.5 Low 14:00:22 - 14:09:08 5541
Klamath Falls 14:04:47 -13.4 AT Down 27.7 268.5 Low 14:00:24 - 14:09:10 5519
Cedarville 14:04:43 -12.1 AT Down 26.5 270.0 Low 14:00:20 - 14:09:06 5482
Fall River/Burney 14:04:44 -12.8 AT Down 27.4 269.4 Low 14:00:21 - 14:09:07 5412
Susanville 14:04:41 -12.1 AT Down 26.9 270.2 Low 14:00:18 - 14:09:04 5365
Gimple 14:04:40 -12.1 AT Down 27.0 270.2 Low 14:00:17 - 14:09:03 5334
Greenville 14:04:41 -12.2 AT Down 27.1 270.2 Low 14:00:18 - 14:09:04 5333
Quincy 14:04:40 -12.1 AT Down 27.1 270.3 Low 14:00:17 - 14:09:03 5313
Portola 14:04:38 -11.8 NT Down 26.7 270.6 Low 14:00:15 - 14:09:01 5310
Reno 14:04:37 -11.2 NT Down 26.2 271.2 Low 14:00:14 - 14:09:00 5297
Carson City 14:04:36 -11.1 NT Down 26.2 271.3 Low 14:00:13 - 14:08:59 5263
Yerington 14:04:34 -10.5 NT Down 25.7 271.8 Low 14:00:11 - 14:08:57 5256
Gardnerville 14:04:35 -10.9 NT Down 26.2 271.5 Low 14:00:12 - 14:08:58 5240
Hawthorne 14:04:32 -10.0 NT Down 25.3 272.4 Low 14:00:09 - 14:08:55 5221
Tonopah 14:04:29 -8.8 NT Down 24.2 273.4 Low 14:00:06 - 14:08:52 5205
Lee Vining 14:04:32 -10.2 NT Down 25.7 272.3 Low 14:00:09 - 14:08:55 5156
Bishop 14:04:29 -9.4 NT Down 25.1 273.1 Low 14:00:06 - 14:08:52 5112
Beatty 14:04:25 -8.0 NT Down 23.7 274.2 Low 14:00:02 - 14:08:48 5100
Indian Springs 14:04:23 -7.1 NT Down 22.9 275.0 Low 14:00:00 - 14:08:46 5091
Henderson 14:04:21 -6.4 NT Down 22.3 275.6 Low 13:59:58 - 14:08:44 5054
Patrick 14:04:18 -5.3 CT Down 21.3 276.4 Low 13:59:55 - 14:08:41 5017
Kingman/Dolan Springs 14:04:17 -5.4 CT Down 21.4 276.4 Low 13:59:54 - 14:08:40 4990
Laughlin/Bullhead City 14:04:18 -5.8 CT Down 21.9 276.1 Low 13:59:55 - 14:08:41 4976
Mohave Valley 14:04:17 -5.7 CT Down 21.8 276.2 Low 13:59:54 - 14:08:40 4949
Lake Havasu City 14:04:16 -5.3 CT Down 21.6 276.5 Low 13:59:53 - 14:08:39 4915
George/Scottsdale 14:04:11 -3.2 CT Down 19.5 278.1 Really Low 13:59:48 - 14:08:34 4895
Parker 14:04:15 -5.2 CT Down 21.5 276.7 Low 13:59:52 - 14:08:38 4881
Idyllwild 14:04:18 -6.8 NT Down 23.5 275.6 Low 13:59:55 - 14:08:41 4786
Wildwood 14:04:22 -8.4 NT Down 25.0 274.4 Low 13:59:59 - 14:08:45 4781
Calipatria 14:04:15 -5.7 CT Down 22.4 276.5 Low 13:59:52 - 14:08:38 4750
Yuma 14:04:13 -4.9 CT Down 21.6 277.1 Low 13:59:50 - 14:08:36 4727

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 11UQ62, (2022/12/04 14:08UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.43  58
Alhena         06:37:42.8 +16:23:57  1.9  4.43  68
PPM 122270     06:19:01.8 +17:19:31  6.1  0.18  63
11UQ62         06:19:28.8 +17:11:01 12.8        63
Positions are for J2000

Event circumstances last updated at 2022/02/02 01:11:44 UT

Marc W. Buie, Southwest Research Institute

RECON