RECON: TNO occultation with 576162

Event between (576162) 12GT41 and star GA0900:06002565 with event index number of 2521028

Geocentric closest approach at 2022/08/08 05:11:34 UTC

J2000 position of star is 17:52:11.4 +00:58:50
Equinox of date position of star is 17:53:17.5 +00:58:36
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 28 degrees from the moon. Moon is 80% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 16.8 AU from the Sun and 16.1 AU from the Earth.
The TNO is moving 16.4 km/sec on the sky relative to the star, or, 5.0 arcsec/hr.
The 1-sigma error in the time of the event is 45 seconds.
The 1-sigma cross-track error in the shadow position is 789 km.
The sky-plane scale is 11709.0 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=73.8 km assuming a 5% albedo -- 4.5 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 576162, (2022/08/08 05:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.8 -26:28:49  0.9 33.91  12
60Bet Oph      17:44:35.4 +04:33:34  2.8  4.20  31
PPM 164858     17:57:27.5 +00:40:08  5.7  1.07  28
PPM 164743     17:53:44.2 +01:18:04  7.5  0.34  28
576162         17:53:20.3 +00:58:35 15.6        28
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 22.1 km RECON observability=0.8 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)
Victoria 05:08:14 -12.7 AT Up 42.4 183.1 Up 05:03:58 - 05:12:30 6456
Clarence Fulton 05:07:56 -13.3 AT Up 40.4 188.3 Up 05:03:40 - 05:12:12 6350
Peachland 05:07:59 -13.5 AT Up 41.0 187.8 Up 05:03:43 - 05:12:15 6343
Kelowna 05:07:58 -13.5 AT Up 40.8 188.2 Up 05:03:42 - 05:12:14 6335
Summerland 05:07:59 -13.6 AT Up 41.1 187.9 Up 05:03:43 - 05:12:15 6330
Penticton 05:07:59 -13.7 AT Up 41.2 188.1 Up 05:03:43 - 05:12:15 6320
Oliver 05:08:00 -14.0 AT Up 41.5 188.1 Up 05:03:44 - 05:12:16 6300
Anarchist Mountain Observatory 05:08:00 -14.2 AT Up 41.7 188.4 Up 05:03:44 - 05:12:16 6280
Tonasket 05:08:01 -14.4 AT Up 42.0 188.4 Up 05:03:45 - 05:12:17 6265
Manson/Chelan 05:08:06 -14.6 AT Up 42.9 187.5 Up 05:03:50 - 05:12:22 6252
Okanogan 05:08:02 -14.6 AT Up 42.3 188.2 Up 05:03:46 - 05:12:18 6252
Brewster 05:08:03 -14.7 AT Up 42.6 188.0 Up 05:03:47 - 05:12:19 6246
Wenatchee 05:08:07 -14.9 AT Up 43.3 187.4 Up 05:03:51 - 05:12:23 6232
Ellensburg 05:08:09 -15.1 AT Up 43.8 187.1 Up 05:03:53 - 05:12:25 6219
Yakima 05:08:11 -15.4 AT Up 44.2 187.2 Up 05:03:55 - 05:12:27 6195
Toppenish/White Swan 05:08:11 -15.6 AT Up 44.4 187.4 Up 05:03:55 - 05:12:27 6173
The Dalles 05:08:16 -15.8 AT Up 45.2 186.4 Up 05:04:00 - 05:12:32 6167
Goldendale 05:08:14 -15.8 AT Up 45.0 186.9 Up 05:03:58 - 05:12:30 6162
Maupin 05:08:16 -16.1 AT Up 45.6 186.6 Up 05:04:00 - 05:12:32 6136
Sisters 05:08:22 -16.5 AT Up 46.5 186.1 Up 05:04:06 - 05:12:38 6108
Pasco 05:08:07 -16.3 AT Up 44.4 189.2 Up 05:03:51 - 05:12:23 6098
Redmond 05:08:20 -16.7 AT Up 46.5 186.6 Up 05:04:04 - 05:12:36 6085
Bend 05:08:21 -16.8 AT Up 46.7 186.5 Up 05:04:05 - 05:12:37 6079
Oregon Observatory 05:08:22 -16.9 AT Up 46.9 186.3 Up 05:04:06 - 05:12:38 6076
PNWRO 05:08:07 -16.6 AT Up 44.6 189.5 Up 05:03:51 - 05:12:23 6071
La Pine/Gilchrist 05:08:23 -17.0 AT Up 47.1 186.2 Up 05:04:07 - 05:12:39 6066
Chiloquin 05:08:28 -17.6 AT Up 48.3 185.9 Up 05:04:12 - 05:12:44 6016
North Lake 05:08:22 -17.6 AT Up 47.5 187.2 Up 05:04:06 - 05:12:38 6005
Klamath Falls 05:08:28 -17.8 AT Up 48.6 186.0 Up 05:04:12 - 05:12:44 5989
Paisley 05:08:22 -18.2 Dark Up 48.0 187.8 Up 05:04:06 - 05:12:38 5949
Lakeview 05:08:23 -18.6 Dark Up 48.5 188.2 Up 05:04:07 - 05:12:39 5906
Fall River/Burney 05:08:30 -18.9 Dark Up 49.7 186.8 Up 05:04:14 - 05:12:46 5891
Cedarville 05:08:25 -19.2 Dark Up 49.1 188.5 Up 05:04:09 - 05:12:41 5853
Susanville 05:08:30 -19.7 Dark Up 50.3 188.0 Up 05:04:14 - 05:12:46 5807
Greenville 05:08:32 -19.7 Dark Up 50.6 187.6 Up 05:04:16 - 05:12:48 5806
Gimple 05:08:32 -19.8 Dark Up 50.6 187.8 Up 05:04:16 - 05:12:48 5800
Quincy 05:08:33 -19.9 Dark Up 50.8 187.7 Up 05:04:17 - 05:12:49 5792
Portola 05:08:31 -20.2 Dark Up 50.9 188.4 Up 05:04:15 - 05:12:47 5756
Reno 05:08:30 -20.8 Dark Up 51.1 189.5 Up 05:04:14 - 05:12:46 5699
Carson City 05:08:31 -21.0 Dark Up 51.4 189.6 Up 05:04:15 - 05:12:47 5674
Gardnerville 05:08:31 -21.2 Dark Up 51.6 189.7 Up 05:04:15 - 05:12:47 5654
Yerington 05:08:29 -21.5 Dark Up 51.5 190.7 Up 05:04:13 - 05:12:45 5623
Hawthorne 05:08:29 -22.1 Dark Up 51.9 191.6 Up 05:04:13 - 05:12:45 5559
Lee Vining 05:08:33 -22.3 Dark Up 52.5 191.0 Up 05:04:17 - 05:12:49 5550
Bishop 05:08:33 -23.1 Dark Up 53.0 192.3 Up 05:04:17 - 05:12:49 5464
CPSLO 05:08:48 -23.2 Dark Up 55.3 189.1 Up 05:04:32 - 05:13:04 5457
Tonopah 05:08:25 -23.3 Dark Up 52.1 194.0 Up 05:04:09 - 05:12:41 5442
Beatty 05:08:28 -24.3 Dark Up 53.1 195.1 Up 05:04:12 - 05:12:44 5332
Indian Springs 05:08:24 -25.2 Dark Up 53.2 197.0 Up 05:04:08 - 05:12:40 5243
Wildwood 05:08:44 -25.3 Dark Up 56.2 193.1 Up 05:04:28 - 05:13:00 5242
Henderson 05:08:23 -25.9 Dark Up 53.5 198.3 Up 05:04:07 - 05:12:39 5161
Idyllwild 05:08:38 -26.7 Dark Up 56.2 196.5 Up 05:04:22 - 05:12:54 5097
Laughlin/Bullhead City 05:08:25 -26.8 Dark Up 54.3 199.4 Up 05:04:09 - 05:12:41 5071
Mohave Valley 05:08:25 -27.0 Dark Up 54.5 199.5 Up 05:04:09 - 05:12:41 5050
Patrick 05:08:21 -27.0 Dark Up 53.8 200.4 Up 05:04:05 - 05:12:37 5046
Kingman/Dolan Springs 05:08:22 -27.1 Dark Up 54.1 200.2 Up 05:04:06 - 05:12:38 5041
Lake Havasu City 05:08:26 -27.4 Dark Up 54.8 200.1 Up 05:04:10 - 05:12:42 5005
Calipatria 05:08:35 -27.8 Dark Up 56.4 198.8 Up 05:04:19 - 05:12:51 4976
Parker 05:08:26 -27.7 Dark Up 55.1 200.4 Up 05:04:10 - 05:12:42 4976
Blythe 05:08:29 -27.9 Dark Up 55.7 200.1 Up 05:04:13 - 05:12:45 4955
Dunrhomin 05:07:34 -27.2 Dark Up 46.6 210.4 Up 05:03:18 - 05:11:50 4916
Yuma 05:08:33 -28.6 Dark Up 56.6 200.6 Up 05:04:17 - 05:12:49 4887
George/Scottsdale 05:08:19 -29.4 Dark Up 54.8 204.6 Up 05:04:03 - 05:12:35 4793

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 576162, (2022/08/08 05:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 33.91  12
60Bet Oph      17:43:28.3 +04:34:06  2.8  4.20  31
PPM 164858     17:56:18.3 +00:40:14  5.7  1.07  28
PPM 164743     17:52:35.4 +01:18:18  7.5  0.34  28
576162         17:52:11.4 +00:58:50 15.6        28
Positions are for J2000

Event circumstances last updated at 2021/09/04 02:21:35 UT

Marc W. Buie, Southwest Research Institute

RECON