RECON: TNO occultation with 02GS32

Event between 02GS32 and star GA0660:09053283 with event index number of 1069924

Geocentric closest approach at 2021/07/24 05:30:15 UTC

J2000 position of star is 17:02:24.4 -22:59:03
Equinox of date position of star is 17:03:42.0 -23:00:48
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 47 degrees from the moon. Moon is 100% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 38.5 AU from the Sun and 37.7 AU from the Earth.
The TNO is moving 15.8 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 2183 seconds.
The 1-sigma cross-track error in the shadow position is 3823 km.
The sky-plane scale is 27369.5 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 11.9 sec chord
Diameter=76.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 02GS32, (2021/07/24 05:30UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:44.0 -26:28:41  0.9  8.25  53
35Eta Oph      17:11:37.0 -15:45:00  2.6  7.50  46
PPM 266403     17:07:29.2 -21:35:34  6.3  1.67  46
PPM 266324     17:04:39.9 -23:10:51  7.5  0.28  46
02GS32         17:03:42.6 -23:00:49 15.6        46
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 0.4 sigma about the mid-time.
The median site spacing is 13.8 km RECON observability=0.7 and success probability=0.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 05:30:19 -12.2 AT Up 16.2 189.4 Really Low 05:15:19 - 05:45:19 12658
Kelowna 05:30:19 -12.4 AT Up 16.6 189.3 Really Low 05:15:19 - 05:45:19 12645
Peachland 05:30:21 -12.4 AT Up 16.8 189.0 Really Low 05:15:21 - 05:45:21 12641
Summerland 05:30:21 -12.6 AT Up 16.9 189.1 Really Low 05:15:21 - 05:45:21 12637
Penticton 05:30:19 -12.7 AT Up 17.0 189.2 Really Low 05:15:19 - 05:45:19 12635
Oliver 05:30:20 -12.9 AT Up 17.3 189.2 Really Low 05:15:20 - 05:45:20 12623
Anarchist Mountain Observatory 05:30:20 -13.2 AT Up 17.5 189.4 Really Low 05:15:20 - 05:45:20 12619
Tonasket 05:30:19 -13.4 AT Up 17.8 189.4 Really Low 05:15:19 - 05:45:19 12608
Okanogan 05:30:18 -13.6 AT Up 18.1 189.3 Really Low 05:15:18 - 05:45:18 12596
Brewster 05:30:20 -13.7 AT Up 18.4 189.1 Really Low 05:15:20 - 05:45:20 12586
Victoria 05:30:36 -11.9 NT Up 18.3 185.6 Really Low 05:15:36 - 05:45:36 12581
Manson/Chelan 05:30:20 -13.7 AT Up 18.7 188.7 Really Low 05:15:20 - 05:45:20 12577
Wenatchee 05:30:22 -14.0 AT Up 19.2 188.6 Really Low 05:15:22 - 05:45:22 12559
Ellensburg 05:30:21 -14.3 AT Up 19.6 188.4 Really Low 05:15:21 - 05:45:21 12543
Yakima 05:30:21 -14.6 AT Up 20.0 188.4 Really Low 05:15:21 - 05:45:21 12528
Pasco 05:30:14 -15.5 AT Up 20.2 189.8 Low 05:15:14 - 05:45:14 12522
Toppenish/White Swan 05:30:20 -14.8 AT Up 20.2 188.6 Low 05:15:20 - 05:45:20 12521
PNWRO 05:30:14 -15.7 AT Up 20.4 190.0 Low 05:15:14 - 05:45:14 12514
Goldendale 05:30:21 -15.1 AT Up 20.8 188.2 Low 05:15:21 - 05:45:21 12498
The Dalles 05:30:23 -15.1 AT Up 21.0 187.9 Low 05:15:23 - 05:45:23 12487
Maupin 05:30:23 -15.5 AT Up 21.4 188.0 Low 05:15:23 - 05:45:23 12471
Redmond 05:30:21 -16.1 AT Up 22.3 187.9 Low 05:15:21 - 05:45:21 12434
Sisters 05:30:24 -15.9 AT Up 22.4 187.6 Low 05:15:24 - 05:45:24 12433
Bend 05:30:22 -16.2 AT Up 22.6 187.8 Low 05:15:22 - 05:45:22 12424
Oregon Observatory 05:30:23 -16.3 AT Up 22.8 187.7 Low 05:15:23 - 05:45:23 12416
La Pine/Gilchrist 05:30:23 -16.4 AT Up 23.0 187.7 Low 05:15:23 - 05:45:23 12407
North Lake 05:30:20 -17.0 AT Up 23.3 188.3 Low 05:15:20 - 05:45:20 12392
Paisley 05:30:16 -17.6 AT Up 23.8 188.6 Low 05:15:16 - 05:45:16 12370
Chiloquin 05:30:23 -17.1 AT Up 24.1 187.4 Low 05:15:23 - 05:45:23 12357
Lakeview 05:30:16 -18.1 Dark Up 24.3 188.9 Low 05:15:16 - 05:45:16 12349
Klamath Falls 05:30:23 -17.4 AT Up 24.4 187.5 Low 05:15:23 - 05:45:23 12342
Cedarville 05:30:13 -18.7 Dark Up 25.0 189.1 Low 05:15:13 - 05:45:13 12319
Fall River/Burney 05:30:19 -18.5 Dark Up 25.6 187.9 Low 05:15:19 - 05:45:19 12289
Dunrhomin 05:28:58 -25.7 Dark Up 23.0 203.7 Low 05:13:58 - 05:43:58 12276
Susanville 05:30:15 -19.3 Dark Up 26.1 188.7 Low 05:15:15 - 05:45:15 12264
Gimple 05:30:17 -19.5 Dark Up 26.4 188.5 Low 05:15:17 - 05:45:17 12249
Greenville 05:30:16 -19.4 Dark Up 26.4 188.4 Low 05:15:16 - 05:45:16 12249
Quincy 05:30:16 -19.6 Dark Up 26.6 188.4 Low 05:15:16 - 05:45:16 12239
Portola 05:30:14 -19.9 Dark Up 26.7 188.9 Low 05:15:14 - 05:45:14 12236
Reno 05:30:10 -20.4 Dark Up 26.9 189.6 Low 05:15:10 - 05:45:10 12226
Carson City 05:30:10 -20.7 Dark Up 27.2 189.6 Low 05:15:10 - 05:45:10 12208
Yerington 05:30:07 -21.2 Dark Up 27.3 190.3 Low 05:15:07 - 05:45:07 12201
Gardnerville 05:30:09 -20.9 Dark Up 27.5 189.7 Low 05:15:09 - 05:45:09 12196
Hawthorne 05:30:03 -21.8 Dark Up 27.7 190.9 Low 05:15:03 - 05:45:03 12180
Tonopah 05:29:54 -22.8 Dark Up 28.0 192.3 Low 05:14:54 - 05:44:54 12162
Lee Vining 05:30:04 -22.0 Dark Up 28.3 190.4 Low 05:15:04 - 05:45:04 12149
Bishop 05:29:59 -22.8 Dark Up 28.8 191.2 Low 05:14:59 - 05:44:59 12120
Beatty 05:29:51 -23.9 Dark Up 29.0 192.9 Low 05:14:51 - 05:44:51 12102
Indian Springs 05:29:46 -24.7 Dark Up 29.1 194.1 Low 05:14:46 - 05:44:46 12088
Henderson 05:29:40 -25.5 Dark Up 29.5 194.8 Low 05:14:40 - 05:44:40 12060
Patrick 05:29:34 -26.5 Dark Up 29.9 196.1 Low 05:14:34 - 05:44:34 12028
Kingman/Dolan Springs 05:29:35 -26.6 Dark Up 30.1 195.9 Up 05:14:35 - 05:44:35 12015
Laughlin/Bullhead City 05:29:36 -26.4 Dark Up 30.3 195.4 Up 05:14:36 - 05:44:36 12012
Mohave Valley 05:29:35 -26.6 Dark Up 30.5 195.4 Up 05:14:35 - 05:44:35 11996
CPSLO 05:30:09 -23.2 Dark Up 31.2 189.1 Up 05:15:09 - 05:45:09 11994
Lake Havasu City 05:29:35 -27.0 Dark Up 30.9 195.7 Up 05:14:35 - 05:44:35 11974
Parker 05:29:33 -27.3 Dark Up 31.2 195.8 Up 05:14:33 - 05:44:33 11953
Wildwood 05:29:59 -25.2 Dark Up 32.1 191.4 Up 05:14:59 - 05:44:59 11935
George/Scottsdale 05:29:18 -28.8 Dark Up 31.0 198.4 Up 05:14:18 - 05:44:18 11932
Idyllwild 05:29:48 -26.5 Dark Up 32.1 193.4 Up 05:14:48 - 05:44:48 11923
Blythe 05:29:36 -27.6 Dark Up 31.8 195.6 Up 05:14:36 - 05:44:36 11922
Calipatria 05:29:41 -27.5 Dark Up 32.4 194.7 Up 05:14:41 - 05:44:41 11889
Yuma 05:29:32 -28.3 Dark Up 32.7 195.7 Up 05:14:32 - 05:44:32 11866

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 02GS32, (2021/07/24 05:30UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  8.25  53
35Eta Oph      17:10:22.7 -15:43:29  2.6  7.50  46
PPM 266403     17:06:11.8 -21:33:54  6.3  1.67  46
PPM 266324     17:03:21.6 -23:09:06  7.5  0.28  46
02GS32         17:02:24.4 -22:59:03 15.6        47
Positions are for J2000

Event circumstances last updated at 2021/06/02 02:37:12 UT

Marc W. Buie, Southwest Research Institute

RECON