RECON: TNO occultation with 02GV32

Event between 02GV32 and star GA0640:21347947 with event index number of 1182217

Geocentric closest approach at 2022/08/11 05:04:42 UTC

J2000 position of star is 17:54:34.9 -24:29:10
Equinox of date position of star is 17:55:56.7 -24:29:19
Stellar brightness G=13.9, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 38 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 32.2 AU from the Sun and 31.5 AU from the Earth.
The TNO is moving 13.2 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 668 seconds.
The 1-sigma cross-track error in the shadow position is 1731 km.
The sky-plane scale is 22844.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.4
Diameter=200.5 km assuming a 5% albedo -- 15.2 sec chord
Diameter=81.8 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 02GV32, (2022/08/11 05:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.8 -26:28:49  0.9 19.30  57
35Eta Oph      17:11:40.6 -15:45:05  2.6 13.57  50
PPM 267497     17:56:17.6 -24:53:22  6.4  0.41  38
PPM 267480     17:55:18.4 -24:35:02  9.4  0.18  38
02GV32         17:55:58.2 -24:29:19 13.9        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 1.3 sigma about the mid-time.
The median site spacing is 15.7 km RECON observability=0.7 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 05:04:09 -12.9 AT Up 14.6 186.3 Really Low 04:49:09 - 05:19:09 8578
Kelowna 05:04:03 -13.9 AT Up 15.4 187.1 Really Low 04:49:03 - 05:19:03 8551
Peachland 05:04:05 -13.8 AT Up 15.5 186.9 Really Low 04:49:05 - 05:19:05 8549
Summerland 05:04:03 -14.0 AT Up 15.6 186.9 Really Low 04:49:03 - 05:19:03 8544
Penticton 05:04:04 -14.1 AT Up 15.7 187.1 Really Low 04:49:04 - 05:19:04 8541
Oliver 05:04:02 -14.3 AT Up 16.0 187.1 Really Low 04:49:02 - 05:19:02 8530
Anarchist Mountain Observatory 05:04:02 -14.5 AT Up 16.2 187.2 Really Low 04:49:02 - 05:19:02 8525
Sleaford 05:02:59 -17.3 AT Up 11.3 199.3 Really Low 04:47:59 - 05:17:59 8523
Victoria 05:04:23 -13.0 AT Up 16.9 183.5 Really Low 04:49:23 - 05:19:23 8520
Tonasket 05:04:01 -14.7 AT Up 16.5 187.2 Really Low 04:49:01 - 05:19:01 8515
Okanogan 05:04:03 -14.9 AT Up 16.8 187.1 Really Low 04:49:03 - 05:19:03 8504
Brewster 05:04:04 -15.0 AT Up 17.1 186.9 Really Low 04:49:04 - 05:19:04 8496
Manson/Chelan 05:04:04 -15.0 AT Up 17.4 186.5 Really Low 04:49:04 - 05:19:04 8490
Wenatchee 05:04:06 -15.2 AT Up 17.8 186.4 Really Low 04:49:06 - 05:19:06 8474
Ellensburg 05:04:07 -15.4 AT Up 18.3 186.2 Really Low 04:49:07 - 05:19:07 8461
Yakima 05:04:07 -15.7 AT Up 18.7 186.2 Really Low 04:49:07 - 05:19:07 8446
Toppenish/White Swan 05:04:06 -15.9 AT Up 18.9 186.4 Really Low 04:49:06 - 05:19:06 8438
Goldendale 05:04:08 -16.1 AT Up 19.5 186.0 Really Low 04:49:08 - 05:19:08 8419
PNWRO 05:03:57 -16.9 AT Up 19.1 187.8 Really Low 04:48:57 - 05:18:57 8418
The Dalles 05:04:10 -16.1 AT Up 19.7 185.7 Really Low 04:49:10 - 05:19:10 8411
Maupin 05:04:09 -16.4 AT Up 20.1 185.8 Low 04:49:09 - 05:19:09 8395
Sisters 05:04:11 -16.8 AT Up 21.0 185.3 Low 04:49:11 - 05:19:11 8362
Bend 05:04:10 -17.1 AT Up 21.3 185.6 Low 04:49:10 - 05:19:10 8352
Oregon Observatory 05:04:11 -17.1 AT Up 21.4 185.5 Low 04:49:11 - 05:19:11 8345
North Lake 05:04:07 -17.8 AT Up 22.0 186.0 Low 04:49:07 - 05:19:07 8317
Chiloquin 05:04:12 -17.8 AT Up 22.8 185.1 Low 04:49:12 - 05:19:12 8291
Klamath Falls 05:04:11 -18.0 Dark Up 23.1 185.2 Low 04:49:11 - 05:19:11 8276
Lakeview 05:04:02 -18.8 Dark Up 23.0 186.6 Low 04:49:02 - 05:19:02 8269
Cedarville 05:04:01 -19.4 Dark Up 23.7 186.8 Low 04:49:01 - 05:19:01 8239
Fall River/Burney 05:04:09 -19.0 Dark Up 24.3 185.6 Low 04:49:09 - 05:19:09 8221
Susanville 05:04:04 -19.9 Dark Up 24.8 186.4 Low 04:49:04 - 05:19:04 8189
Greenville 05:04:05 -19.9 Dark Up 25.1 186.1 Low 04:49:05 - 05:19:05 8177
Gimple 05:04:05 -19.9 Dark Up 25.1 186.2 Low 04:49:05 - 05:19:05 8177
Quincy 05:04:04 -20.0 Dark Up 25.3 186.1 Low 04:49:04 - 05:19:04 8167
Portola 05:04:02 -20.4 Dark Up 25.4 186.6 Low 04:49:02 - 05:19:02 8160
Reno 05:03:58 -20.9 Dark Up 25.6 187.2 Low 04:48:58 - 05:18:58 8144
Carson City 05:03:57 -21.2 Dark Up 26.0 187.3 Low 04:48:57 - 05:18:57 8127
Gardnerville 05:03:58 -21.4 Dark Up 26.2 187.4 Low 04:48:58 - 05:18:58 8114
Yerington 05:03:53 -21.7 Dark Up 26.1 187.9 Low 04:48:53 - 05:18:53 8114
Hawthorne 05:03:50 -22.3 Dark Up 26.5 188.5 Low 04:48:50 - 05:18:50 8088
Lee Vining 05:03:54 -22.4 Dark Up 27.1 188.0 Low 04:48:54 - 05:18:54 8062
Tonopah 05:03:41 -23.4 Dark Up 26.8 189.9 Low 04:48:41 - 05:18:41 8057
Dunrhomin 05:02:30 -27.5 Dark Up 22.2 201.1 Low 04:47:30 - 05:17:30 8055
CU-SBO 05:02:30 -27.7 Dark Up 22.5 201.0 Low 04:47:30 - 05:17:30 8044
Bishop 05:03:47 -23.2 Dark Up 27.6 188.8 Low 04:48:47 - 05:18:47 8027
Beatty 05:03:36 -24.4 Dark Up 27.9 190.5 Low 04:48:36 - 05:18:36 7992
Indian Springs 05:03:29 -25.3 Dark Up 28.0 191.6 Low 04:48:29 - 05:18:29 7968
Henderson 05:03:25 -26.0 Dark Up 28.4 192.3 Low 04:48:25 - 05:18:25 7933
Patrick 05:03:17 -27.1 Dark Up 28.9 193.5 Low 04:48:17 - 05:18:17 7890
Laughlin/Bullhead City 05:03:22 -26.9 Dark Up 29.2 192.8 Low 04:48:22 - 05:18:22 7881
Kingman/Dolan Springs 05:03:18 -27.1 Dark Up 29.1 193.3 Low 04:48:18 - 05:18:18 7879
Mohave Valley 05:03:21 -27.1 Dark Up 29.5 192.8 Low 04:48:21 - 05:18:21 7865
Wildwood 05:03:47 -25.3 Dark Up 30.9 188.9 Up 04:48:47 - 05:18:47 7846
Lake Havasu City 05:03:18 -27.5 Dark Up 29.8 193.1 Low 04:48:18 - 05:18:18 7841
Parker 05:03:18 -27.8 Dark Up 30.2 193.2 Up 04:48:18 - 05:18:18 7820
Idyllwild 05:03:34 -26.7 Dark Up 31.0 190.8 Up 04:48:34 - 05:18:34 7815
George/Scottsdale 05:03:02 -29.4 Dark Up 30.1 195.7 Up 04:48:02 - 05:18:02 7774
Calipatria 05:03:26 -27.8 Dark Up 31.4 192.1 Up 04:48:26 - 05:18:26 7769
Yuma 05:03:20 -28.6 Dark Up 31.6 193.1 Up 04:48:20 - 05:18:20 7736

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 02GV32, (2022/08/11 05:05UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.30  57
35Eta Oph      17:10:22.7 -15:43:29  2.6 13.57  50
PPM 267497     17:54:54.1 -24:53:13  6.4  0.41  38
PPM 267480     17:53:55.1 -24:34:51  9.4  0.18  38
02GV32         17:54:34.9 -24:29:10 13.9        38
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:15:50 UT

Marc W. Buie, Southwest Research Institute

RECON