RECON: TNO occultation with 576162

Event between (576162) 12GT41 and star GA0880:06312056 with event index number of 2521048

Geocentric closest approach at 2022/09/19 02:35:17 UTC

J2000 position of star is 17:51:16.6 -00:08:57
Equinox of date position of star is 17:52:23.4 -00:09:12
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 150 degrees from the moon. Moon is 39% illuminated.
TNO apparent brightness V=22.2

[RECON map]
TNO is 16.8 AU from the Sun and 16.8 AU from the Earth.
The TNO is moving 16.2 km/sec on the sky relative to the star, or, 4.8 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is 893 km.
The sky-plane scale is 12151.9 km/arcsec.

The TNO has an absolute magnitude Hv=9.6
Diameter=73.8 km assuming a 5% albedo -- 4.6 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 576162, (2022/09/19 02:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:48.2 -26:28:50  0.9 32.85 151
60Bet Oph      17:44:35.7 +04:33:34  2.8  5.10 145
PPM 180184     17:53:10.0 -01:14:27  6.3  1.10 151
PPM 180176     17:51:19.5 -00:41:03  8.4  0.60 151
PPM 180186     17:53:43.1 -00:07:30  9.0  0.32 150
576162         17:52:26.6 -00:09:13 16.9       150
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)
Dunrhomin 02:32:16 -17.4 AT Down 44.5 213.3 Up 02:28:13 - 02:36:19 7039
George/Scottsdale 02:32:36 -13.9 AT Down 52.8 207.9 Up 02:28:33 - 02:36:39 6412
Patrick 02:32:23 -11.9 NT Down 52.0 203.8 Up 02:28:20 - 02:36:26 6294
Kingman/Dolan Springs 02:32:24 -11.8 NT Down 52.3 203.6 Up 02:28:21 - 02:36:27 6274
Clarence Fulton 02:30:59 -5.2 CT Down 39.1 191.1 Up 02:26:56 - 02:35:02 6240
Lake Havasu City 02:32:27 -11.7 NT Down 53.0 203.6 Up 02:28:24 - 02:36:30 6234
Laughlin/Bullhead City 02:32:22 -11.3 NT Down 52.4 202.8 Up 02:28:19 - 02:36:25 6231
Parker 02:32:29 -11.8 NT Down 53.3 203.9 Up 02:28:26 - 02:36:32 6227
Mohave Valley 02:32:24 -11.4 NT Down 52.7 203.0 Up 02:28:21 - 02:36:27 6225
Kelowna 02:31:00 -5.1 CT Down 39.5 191.0 Up 02:26:57 - 02:35:03 6222
Henderson 02:32:16 -10.8 NT Down 51.8 201.7 Up 02:28:13 - 02:36:19 6222
Anarchist Mountain Observatory 02:31:03 -5.3 CT Down 40.3 191.3 Up 02:27:00 - 02:35:06 6211
Penticton 02:31:03 -5.1 CT Down 39.8 190.9 Up 02:27:00 - 02:35:06 6209
Summerland 02:31:00 -5.0 CT Down 39.7 190.8 Up 02:26:57 - 02:35:03 6204
Oliver 02:31:03 -5.2 CT Down 40.1 191.0 Up 02:27:00 - 02:35:06 6202
Peachland 02:31:01 -5.0 CT Down 39.6 190.6 Up 02:26:58 - 02:35:04 6201
Tonasket 02:31:05 -5.3 CT Down 40.6 191.2 Up 02:27:02 - 02:35:08 6199
Blythe 02:32:30 -11.6 NT Down 53.9 203.7 Up 02:28:27 - 02:36:33 6188
Okanogan 02:31:06 -5.3 CT Down 40.9 191.1 Up 02:27:03 - 02:35:09 6182
Indian Springs 02:32:12 -10.2 NT Down 51.5 200.4 Up 02:28:09 - 02:36:15 6182
PNWRO 02:31:19 -6.1 NT Down 43.2 192.5 Up 02:27:16 - 02:35:22 6176
Pasco 02:31:15 -5.9 CT Down 42.9 192.1 Up 02:27:12 - 02:35:18 6166
Brewster 02:31:08 -5.2 CT Down 41.2 190.9 Up 02:27:05 - 02:35:11 6163
Yuma 02:32:35 -11.8 NT Down 54.7 204.2 Up 02:28:32 - 02:36:38 6159
Manson/Chelan 02:31:08 -5.0 CT Down 41.5 190.4 Up 02:27:05 - 02:35:11 6134
Wenatchee 02:31:08 -4.9 CT Down 42.0 190.3 Up 02:27:05 - 02:35:11 6111
Beatty 02:32:07 -9.3 NT Down 51.5 198.6 Up 02:28:04 - 02:36:10 6105
Tonopah 02:32:01 -8.7 NT Down 50.5 197.4 Up 02:27:58 - 02:36:04 6101
Calipatria 02:32:31 -10.9 NT Down 54.6 202.4 Up 02:28:28 - 02:36:34 6098
Ellensburg 02:31:12 -4.8 CT Down 42.4 190.1 Up 02:27:09 - 02:35:15 6086
Toppenish/White Swan 02:31:14 -5.0 CT Down 43.0 190.4 Up 02:27:11 - 02:35:17 6081
Yakima 02:31:13 -4.9 CT Down 42.8 190.1 Up 02:27:10 - 02:35:16 6075
Goldendale 02:31:15 -4.8 CT Down 43.6 189.9 Up 02:27:12 - 02:35:18 6038
Idyllwild 02:32:25 -9.8 NT Down 54.4 200.1 Up 02:28:22 - 02:36:28 6019
The Dalles 02:31:15 -4.6 CT Down 43.9 189.4 Up 02:27:12 - 02:35:18 6007
Hawthorne 02:31:54 -7.5 NT Down 50.3 195.0 Up 02:27:51 - 02:35:57 6004
Maupin 02:31:18 -4.7 CT Down 44.3 189.7 Up 02:27:15 - 02:35:21 6003
Bishop 02:32:02 -7.9 NT Down 51.4 195.8 Up 02:27:59 - 02:36:05 5990
Yerington 02:31:51 -7.0 NT Down 50.0 194.0 Up 02:27:48 - 02:35:54 5976
Lakeview 02:31:32 -5.7 CT Down 47.1 191.4 Up 02:27:29 - 02:35:35 5976
Paisley 02:31:29 -5.4 CT Down 46.6 191.0 Up 02:27:26 - 02:35:32 5976
Redmond 02:31:21 -4.8 CT Down 45.2 189.7 Up 02:27:18 - 02:35:24 5973
Cedarville 02:31:36 -5.9 CT Down 47.7 191.8 Up 02:27:33 - 02:35:39 5971
North Lake 02:31:26 -5.1 CT Down 46.1 190.3 Up 02:27:23 - 02:35:29 5965
Bend 02:31:21 -4.7 CT Down 45.4 189.6 Up 02:27:18 - 02:35:24 5957
Lee Vining 02:31:56 -7.2 NT Down 51.0 194.4 Up 02:27:53 - 02:35:59 5950
Sisters 02:31:21 -4.5 CT Down 45.2 189.1 Up 02:27:18 - 02:35:24 5945
Oregon Observatory 02:31:24 -4.6 CT Down 45.6 189.4 Up 02:27:21 - 02:35:27 5943
Reno 02:31:46 -6.4 NT Down 49.6 192.9 Up 02:27:43 - 02:35:49 5942
Carson City 02:31:48 -6.5 NT Down 49.9 193.0 Up 02:27:45 - 02:35:51 5933
La Pine/Gilchrist 02:31:22 -4.6 CT Down 45.8 189.3 Up 02:27:19 - 02:35:25 5933
Victoria 02:30:56 -2.7 CT Down 41.2 186.0 Up 02:26:53 - 02:34:59 5933
Gardnerville 02:31:50 -6.6 NT Down 50.2 193.1 Up 02:27:47 - 02:35:53 5930
Susanville 02:31:40 -5.7 CT Down 48.9 191.3 Up 02:27:37 - 02:35:43 5903
Portola 02:31:44 -5.9 CT Down 49.4 191.8 Up 02:27:41 - 02:35:47 5900
Gimple 02:31:42 -5.6 CT Down 49.2 191.1 Up 02:27:39 - 02:35:45 5879
Chiloquin 02:31:28 -4.5 CT Down 46.9 189.1 Up 02:27:25 - 02:35:31 5876
Wildwood 02:32:18 -8.2 NT Down 54.6 196.8 Up 02:28:15 - 02:36:21 5875
Greenville 02:31:41 -5.5 CT Down 49.2 191.0 Up 02:27:38 - 02:35:44 5873
Klamath Falls 02:31:29 -4.6 CT Down 47.3 189.2 Up 02:27:26 - 02:35:32 5872
Quincy 02:31:42 -5.5 CT Down 49.4 191.0 Up 02:27:39 - 02:35:45 5867
Fall River/Burney 02:31:36 -5.0 CT Down 48.4 190.1 Up 02:27:33 - 02:35:39 5866
CPSLO 02:32:07 -6.4 NT Down 53.9 192.8 Up 02:28:04 - 02:36:10 5746

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, (2022/09/19 02:35UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 32.85 151
60Bet Oph      17:43:28.3 +04:34:06  2.8  5.10 145
PPM 180184     17:51:59.5 -01:14:12  6.3  1.10 151
PPM 180176     17:50:09.3 -00:40:45  8.4  0.60 151
PPM 180186     17:52:33.2 -00:07:16  9.0  0.32 150
576162         17:51:16.6 -00:08:57 16.9       150
Positions are for J2000

Event circumstances last updated at 2021/09/04 02:44:55 UT

Marc W. Buie, Southwest Research Institute

RECON