RECON: TNO occultation with 11UQ62

Event between 11UQ62 and star GA1080:01348493 with event index number of 2134815

Geocentric closest approach at 2022/01/09 02:02:28 UTC

J2000 position of star is 05:47:14.7 +18:43:39
Equinox of date position of star is 05:48:31.9 +18:44:02
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 76 degrees from the moon. Moon is 43% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 17.0 AU from the Sun and 16.1 AU from the Earth.
The TNO is moving 19.7 km/sec on the sky relative to the star, or, 6.1 arcsec/hr.
The 1-sigma error in the time of the event is 41 seconds.
The 1-sigma cross-track error in the shadow position is 606 km.
The sky-plane scale is 11690.9 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 3.7 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UQ62, (2022/01/09 02:02UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:21.9 +07:24:34  0.4 11.48  77
Alnath         05:27:41.2 +28:37:26  1.6 10.98  72
PPM 121513     05:53:41.7 +19:52:18  6.4  1.67  77
PPM 121398     05:48:44.4 +18:44:08  8.3  0.05  76
11UQ62         05:48:32.4 +18:44:02 17.0        76
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 23.9 km RECON observability=0.5 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)
Kamloops 02:05:19 -16.5 AT Up 28.7 95.2 Low 02:01:24 - 02:09:14 7066
Kelowna 02:05:21 -16.8 AT Up 29.4 95.5 Low 02:01:26 - 02:09:16 6987
Peachland 02:05:22 -16.6 AT Up 29.2 95.2 Low 02:01:27 - 02:09:17 6987
Victoria 02:05:32 -14.0 AT Up 26.9 91.7 Low 02:01:37 - 02:09:27 6987
Summerland 02:05:23 -16.6 AT Up 29.3 95.2 Low 02:01:28 - 02:09:18 6974
Penticton 02:05:23 -16.7 AT Up 29.3 95.3 Low 02:01:28 - 02:09:18 6966
Oliver 02:05:24 -16.6 AT Up 29.4 95.1 Low 02:01:29 - 02:09:19 6941
Anarchist Mountain Observatory 02:05:25 -16.7 AT Up 29.5 95.1 Low 02:01:30 - 02:09:20 6924
Tonasket 02:05:26 -16.6 AT Up 29.5 94.9 Low 02:01:31 - 02:09:21 6903
Okanogan 02:05:28 -16.4 AT Up 29.4 94.6 Low 02:01:33 - 02:09:23 6882
Brewster 02:05:29 -16.2 AT Up 29.3 94.3 Low 02:01:34 - 02:09:24 6867
Manson/Chelan 02:05:30 -15.9 AT Up 29.1 93.9 Low 02:01:35 - 02:09:25 6860
Sleaford 02:04:50 -25.5 Dark Up 37.2 108.5 Up 02:00:55 - 02:08:45 6846
Wenatchee 02:05:34 -15.7 AT Up 29.0 93.5 Low 02:01:39 - 02:09:29 6830
Ellensburg 02:05:35 -15.4 AT Up 28.9 93.1 Low 02:01:40 - 02:09:30 6804
Yakima 02:05:36 -15.3 AT Up 28.9 92.9 Low 02:01:41 - 02:09:31 6774
Toppenish/White Swan 02:05:38 -15.3 AT Up 29.1 92.9 Low 02:01:43 - 02:09:33 6753
Goldendale 02:05:41 -14.9 AT Up 28.8 92.3 Low 02:01:46 - 02:09:36 6723
The Dalles 02:05:42 -14.6 AT Up 28.5 91.9 Low 02:01:47 - 02:09:37 6715
Pasco 02:05:36 -16.2 AT Up 29.9 93.8 Low 02:01:41 - 02:09:31 6712
PNWRO 02:05:37 -16.2 AT Up 30.1 93.8 Up 02:01:42 - 02:09:32 6687
Maupin 02:05:44 -14.6 AT Up 28.6 91.8 Low 02:01:49 - 02:09:39 6680
Sisters 02:05:48 -14.0 AT Up 28.3 90.9 Low 02:01:53 - 02:09:43 6625
Redmond 02:05:47 -14.2 AT Up 28.6 91.2 Low 02:01:52 - 02:09:42 6613
Bend 02:05:49 -14.1 AT Up 28.5 91.0 Low 02:01:54 - 02:09:44 6600
Oregon Observatory 02:05:49 -13.9 AT Up 28.4 90.8 Low 02:01:54 - 02:09:44 6590
La Pine/Gilchrist 02:05:50 -13.8 AT Up 28.4 90.7 Low 02:01:55 - 02:09:45 6575
North Lake 02:05:51 -14.1 AT Up 28.8 90.8 Low 02:01:56 - 02:09:46 6525
Chiloquin 02:05:55 -13.3 AT Up 28.1 89.8 Low 02:02:00 - 02:09:50 6497
Paisley 02:05:53 -14.2 AT Up 29.1 90.8 Low 02:01:58 - 02:09:48 6471
Klamath Falls 02:05:56 -13.2 AT Up 28.2 89.7 Low 02:02:01 - 02:09:51 6467
Lakeview 02:05:54 -14.2 AT Up 29.3 90.6 Low 02:01:59 - 02:09:49 6425
Cedarville 02:05:56 -14.2 AT Up 29.4 90.4 Low 02:02:01 - 02:09:51 6367
Fall River/Burney 02:06:00 -13.1 AT Up 28.5 89.3 Low 02:02:05 - 02:09:55 6361
Susanville 02:06:02 -13.5 AT Up 29.1 89.5 Low 02:02:07 - 02:09:57 6289
Greenville 02:06:03 -13.2 AT Up 28.8 89.1 Low 02:02:08 - 02:09:58 6274
Gimple 02:06:03 -13.3 AT Up 28.9 89.2 Low 02:02:08 - 02:09:58 6272
Quincy 02:06:04 -13.1 AT Up 28.8 89.0 Low 02:02:09 - 02:09:59 6257
Portola 02:06:03 -13.5 AT Up 29.2 89.3 Low 02:02:08 - 02:09:58 6234
Reno 02:06:03 -13.8 AT Up 29.7 89.5 Low 02:02:08 - 02:09:58 6193
Carson City 02:06:05 -13.8 AT Up 29.7 89.3 Low 02:02:10 - 02:10:00 6162
Gardnerville 02:06:06 -13.7 AT Up 29.8 89.2 Low 02:02:11 - 02:10:01 6140
Yerington 02:06:04 -14.2 AT Up 30.2 89.6 Up 02:02:09 - 02:09:59 6127
Hawthorne 02:06:05 -14.4 AT Up 30.6 89.7 Up 02:02:10 - 02:10:00 6073
Lee Vining 02:06:08 -13.9 AT Up 30.2 89.1 Up 02:02:13 - 02:10:03 6039
Tonopah 02:06:04 -15.4 AT Up 31.7 90.3 Up 02:02:09 - 02:09:59 5992
Bishop 02:06:08 -14.3 AT Up 30.8 89.1 Up 02:02:13 - 02:10:03 5966
Beatty 02:06:08 -15.4 AT Up 32.1 89.8 Up 02:02:13 - 02:10:03 5878
Dunrhomin 02:05:31 -24.8 Dark Up 40.7 100.0 Up 02:01:36 - 02:09:26 5854
CPSLO 02:06:20 -11.9 NT Up 28.9 86.7 Low 02:02:25 - 02:10:15 5852
Indian Springs 02:06:07 -16.1 AT Up 33.0 90.3 Up 02:02:12 - 02:10:02 5817
Henderson 02:06:07 -16.5 AT Up 33.5 90.3 Up 02:02:12 - 02:10:02 5749
Wildwood 02:06:20 -13.2 AT Up 30.6 87.1 Up 02:02:25 - 02:10:15 5682
Patrick 02:06:06 -17.2 AT Up 34.4 90.6 Up 02:02:11 - 02:10:01 5660
Laughlin/Bullhead City 02:06:09 -16.6 AT Up 33.9 90.0 Up 02:02:14 - 02:10:04 5659
Kingman/Dolan Springs 02:06:08 -17.0 AT Up 34.3 90.3 Up 02:02:13 - 02:10:03 5646
Mohave Valley 02:06:10 -16.6 AT Up 33.9 89.8 Up 02:02:15 - 02:10:05 5634
Idyllwild 02:06:18 -14.6 AT Up 32.1 87.9 Up 02:02:23 - 02:10:13 5593
Lake Havasu City 02:06:11 -16.6 AT Up 34.1 89.7 Up 02:02:16 - 02:10:06 5590
Parker 02:06:12 -16.6 AT Up 34.1 89.5 Up 02:02:17 - 02:10:07 5557
Blythe 02:06:14 -16.2 AT Up 33.9 89.0 Up 02:02:19 - 02:10:09 5518
Calipatria 02:06:18 -15.3 AT Up 33.1 88.1 Up 02:02:23 - 02:10:13 5501
George/Scottsdale 02:06:08 -18.4 Dark Up 36.1 90.5 Up 02:02:13 - 02:10:03 5446
Yuma 02:06:17 -15.9 AT Up 33.8 88.3 Up 02:02:22 - 02:10:12 5434

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, (2022/01/09 02:02UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.48  77
Alnath         05:26:17.6 +28:36:23  1.6 10.98  72
PPM 121513     05:52:23.4 +19:52:04  6.4  1.67  77
PPM 121398     05:47:26.7 +18:43:45  8.3  0.05  76
11UQ62         05:47:14.7 +18:43:39 17.0        76
Positions are for J2000

Event circumstances last updated at 2021/11/26 00:02:13 UT

Marc W. Buie, Southwest Research Institute

RECON