RECON: TNO occultation with 02GP32

Event between 02GP32 and star GA0660:23954083 with event index number of 1181858

Geocentric closest approach at 2023/07/05 09:56:53 UTC

J2000 position of star is 18:12:17.4 -22:35:05
Equinox of date position of star is 18:13:38.1 -22:34:40
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 38 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 34.2 AU from the Sun and 33.2 AU from the Earth.
The TNO is moving 23.0 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 338 seconds.
The 1-sigma cross-track error in the shadow position is 1918 km.
The sky-plane scale is 24092.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=234.4 km assuming a 5% albedo -- 10.2 sec chord
Diameter=95.7 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 02GP32, (2023/07/05 09:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.2 -26:28:56  0.9 23.68  60
Nunki          18:56:43.3 -26:15:55  2.0 10.46  28
14 Sgr         18:15:40.7 -21:42:17  5.4  0.98  38
PPM 268070     18:14:45.3 -22:49:33  8.5  0.35  38
PPM 268059     18:14:20.3 -22:26:44  9.5  0.20  38
02GP32         18:13:42.8 -22:34:38 16.5        38
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 2.7 sigma about the mid-time.
The median site spacing is 71.2 km RECON observability=0.1 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 09:54:58 -12.7 AT Up 9.3 215.6 Really Low 09:39:58 - 10:09:58 12398
Victoria 09:55:01 -15.5 AT Up 12.2 213.2 Really Low 09:40:01 - 10:10:01 12363
Peachland 09:54:54 -13.4 AT Up 9.8 216.2 Really Low 09:39:54 - 10:09:54 12348
Kelowna 09:54:54 -13.2 AT Up 9.6 216.4 Really Low 09:39:54 - 10:09:54 12347
Summerland 09:54:54 -13.5 AT Up 9.9 216.3 Really Low 09:39:54 - 10:09:54 12340
Penticton 09:54:53 -13.5 AT Up 9.9 216.4 Really Low 09:39:53 - 10:09:53 12335
Oliver 09:54:52 -13.8 AT Up 10.2 216.4 Really Low 09:39:52 - 10:09:52 12320
Anarchist Mountain Observatory 09:54:51 -13.9 AT Up 10.3 216.6 Really Low 09:39:51 - 10:09:51 12309
Tonasket 09:54:52 -14.2 AT Up 10.5 216.5 Really Low 09:39:52 - 10:09:52 12296
Okanogan 09:54:51 -14.6 AT Up 10.9 216.5 Really Low 09:39:51 - 10:09:51 12284
Brewster 09:54:50 -14.9 AT Up 11.2 216.3 Really Low 09:39:50 - 10:09:50 12276
Manson/Chelan 09:54:51 -15.2 AT Up 11.5 216.0 Really Low 09:39:51 - 10:09:51 12274
Wenatchee 09:54:51 -15.6 AT Up 11.9 215.9 Really Low 09:39:51 - 10:09:51 12255
Ellensburg 09:54:50 -16.1 AT Up 12.3 215.8 Really Low 09:39:50 - 10:09:50 12240
Yakima 09:54:49 -16.4 AT Up 12.7 215.8 Really Low 09:39:49 - 10:09:49 12222
Toppenish/White Swan 09:54:49 -16.6 AT Up 12.8 216.0 Really Low 09:39:49 - 10:09:49 12208
Goldendale 09:54:49 -17.2 AT Up 13.4 215.7 Really Low 09:39:49 - 10:09:49 12190
The Dalles 09:54:49 -17.5 AT Up 13.7 215.4 Really Low 09:39:49 - 10:09:49 12186
Sleaford 09:54:32 -6.8 NT Up 2.3 227.4 Really Low 09:39:32 - 10:09:32 12164
Maupin 09:54:48 -17.9 AT Up 14.0 215.6 Really Low 09:39:48 - 10:09:48 12163
PNWRO 09:54:44 -16.5 AT Up 12.5 217.3 Really Low 09:39:44 - 10:09:44 12160
Sisters 09:54:48 -18.8 Dark Up 15.0 215.3 Really Low 09:39:48 - 10:09:48 12129
Bend 09:54:46 -19.0 Dark Up 15.1 215.5 Really Low 09:39:46 - 10:09:46 12112
Oregon Observatory 09:54:46 -19.2 Dark Up 15.2 215.5 Really Low 09:39:46 - 10:09:46 12106
North Lake 09:54:43 -19.6 Dark Up 15.5 216.0 Really Low 09:39:43 - 10:09:43 12061
Chiloquin 09:54:45 -20.5 Dark Up 16.5 215.3 Really Low 09:39:45 - 10:09:45 12045
Klamath Falls 09:54:45 -20.8 Dark Up 16.7 215.4 Really Low 09:39:45 - 10:09:45 12025
Lakeview 09:54:41 -20.3 Dark Up 16.2 216.7 Really Low 09:39:41 - 10:09:41 11993
Cedarville 09:54:38 -20.9 Dark Up 16.6 216.9 Really Low 09:39:38 - 10:09:38 11953
Fall River/Burney 09:54:42 -21.7 Dark Up 17.5 216.0 Really Low 09:39:42 - 10:09:42 11952
Susanville 09:54:37 -22.0 Dark Up 17.7 216.7 Really Low 09:39:37 - 10:09:37 11900
Greenville 09:54:38 -22.4 Dark Up 18.1 216.5 Really Low 09:39:38 - 10:09:38 11890
Gimple 09:54:38 -22.3 Dark Up 18.0 216.6 Really Low 09:39:38 - 10:09:38 11888
Quincy 09:54:38 -22.6 Dark Up 18.2 216.6 Really Low 09:39:38 - 10:09:38 11878
Portola 09:54:36 -22.5 Dark Up 18.1 217.0 Really Low 09:39:36 - 10:09:36 11861
Reno 09:54:34 -22.5 Dark Up 18.0 217.6 Really Low 09:39:34 - 10:09:34 11831
Carson City 09:54:33 -22.8 Dark Up 18.3 217.7 Really Low 09:39:33 - 10:09:33 11809
Gardnerville 09:54:33 -23.0 Dark Up 18.5 217.7 Really Low 09:39:33 - 10:09:33 11793
Yerington 09:54:31 -22.8 Dark Up 18.2 218.2 Really Low 09:39:31 - 10:09:31 11783
Hawthorne 09:54:28 -23.0 Dark Up 18.3 218.7 Really Low 09:39:28 - 10:09:28 11742
Lee Vining 09:54:29 -23.7 Dark Up 19.0 218.5 Really Low 09:39:29 - 10:09:29 11720
Tonopah 09:54:23 -22.9 Dark Up 17.9 220.0 Really Low 09:39:23 - 10:09:23 11680
Bishop 09:54:26 -23.9 Dark Up 19.1 219.2 Really Low 09:39:26 - 10:09:26 11665
Beatty 09:54:21 -23.7 Dark Up 18.6 220.6 Really Low 09:39:21 - 10:09:21 11596
Indian Springs 09:54:17 -23.5 Dark Up 18.3 221.5 Really Low 09:39:17 - 10:09:17 11548
Dunrhomin 09:53:59 -15.7 AT Up 9.9 228.8 Really Low 09:38:59 - 10:08:59 11505
Henderson 09:54:14 -23.7 Dark Up 18.3 222.2 Really Low 09:39:14 - 10:09:14 11495
CU-SBO 09:53:58 -16.0 AT Up 10.1 228.8 Really Low 09:38:58 - 10:08:58 11493
Wildwood 09:54:22 -26.8 Dark Up 21.7 219.8 Low 09:39:22 - 10:09:22 11456
Laughlin/Bullhead City 09:54:11 -24.2 Dark Up 18.7 222.7 Really Low 09:39:11 - 10:09:11 11426
Patrick 09:54:10 -23.7 Dark Up 18.2 223.2 Really Low 09:39:10 - 10:09:10 11424
Kingman/Dolan Springs 09:54:10 -24.0 Dark Up 18.4 223.1 Really Low 09:39:10 - 10:09:10 11414
Mohave Valley 09:54:11 -24.4 Dark Up 18.9 222.7 Really Low 09:39:11 - 10:09:11 11407
Idyllwild 09:54:15 -26.4 Dark Up 21.0 221.4 Low 09:39:15 - 10:09:15 11385
Lake Havasu City 09:54:10 -24.7 Dark Up 19.1 223.0 Really Low 09:39:10 - 10:09:10 11374
Parker 09:54:09 -24.9 Dark Up 19.3 223.1 Really Low 09:39:09 - 10:09:09 11349
Calipatria 09:54:10 -26.4 Dark Up 20.8 222.4 Low 09:39:10 - 10:09:10 11311
Yuma 09:54:08 -26.3 Dark Up 20.6 223.2 Low 09:39:08 - 10:09:08 11257
George/Scottsdale 09:54:02 -24.2 Dark Up 18.3 225.1 Really Low 09:39:02 - 10:09:02 11254

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 02GP32, (2023/07/05 09:57UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 23.68  60
Nunki          18:55:15.9 -26:17:49  2.0 10.46  28
14 Sgr         18:14:15.9 -21:42:48  5.4  0.98  38
PPM 268070     18:13:19.8 -22:50:02  8.5  0.35  38
PPM 268059     18:12:55.1 -22:27:12  9.5  0.20  38
02GP32         18:12:17.4 -22:35:05 16.5        38
Positions are for J2000

Event circumstances last updated at 2022/03/21 00:45:31 UT

Marc W. Buie, Southwest Research Institute

RECON