RECON: TNO occultation with 05GX206

Event between 05GX206 and star GA0820:04590873 with event index number of 1986502

Geocentric closest approach at 2024/03/30 06:23:41 UTC

J2000 position of star is 14:49:10.4 -06:16:55
Equinox of date position of star is 14:50:21.0 -06:22:24
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 27 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 33.1 AU from the Sun and 32.3 AU from the Earth.
The TNO is moving 18.8 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 114 seconds.
The 1-sigma cross-track error in the shadow position is 1643 km.
The sky-plane scale is 23433.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 11.7 sec chord
Diameter=89.7 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is 7:2EEEEE
 
 
 
 
 
 

Star training set for 05GX206, (2024/03/30 06:17UT)
Object            RA         Dec     mag  sep  mel
Spica          13:26:28.4 -11:17:14  1.0 21.31  42
27Bet Lib      15:18:18.9 -09:28:15  2.6  7.56  20
107Mu Vir      14:44:20.5 -05:45:43  3.9  1.64  29
PPM 197926     14:49:18.9 -05:36:25  7.9  0.82  28
PPM 197934     14:50:10.8 -06:43:02  9.5  0.34  27
05GX206        14:50:27.4 -06:22:53 16.1        27
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 26.8 km RECON observability=0.4 and success probability=33.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:27:51 -33.3 Dark Down 21.1 133.3 Low 06:17:50 - 06:37:52 1344
Kamloops 06:28:21 -31.5 Dark Down 14.7 120.0 Really Low 06:18:20 - 06:38:22 877
Kelowna 06:28:22 -32.5 Dark Down 15.7 120.6 Really Low 06:18:21 - 06:38:23 825
Peachland 06:28:22 -32.5 Dark Down 15.5 120.3 Really Low 06:18:21 - 06:38:23 808
Summerland 06:28:22 -32.6 Dark Down 15.7 120.3 Really Low 06:18:21 - 06:38:23 796
Penticton 06:28:22 -32.7 Dark Down 15.8 120.4 Really Low 06:18:21 - 06:38:23 793
Oliver 06:28:23 -33.0 Dark Down 15.9 120.3 Really Low 06:18:22 - 06:38:24 761
Anarchist Mountain Observatory 06:28:23 -33.3 Dark Down 16.1 120.4 Really Low 06:18:22 - 06:38:24 750
Tonasket 06:28:23 -33.5 Dark Down 16.3 120.3 Really Low 06:18:22 - 06:38:24 720
Okanogan 06:28:24 -33.8 Dark Down 16.3 120.1 Really Low 06:18:23 - 06:38:25 686
Brewster 06:28:25 -33.9 Dark Down 16.4 119.9 Really Low 06:18:24 - 06:38:26 657
Manson/Chelan 06:28:26 -34.0 Dark Down 16.3 119.5 Really Low 06:18:25 - 06:38:27 629
Victoria 06:28:31 -32.3 Dark Down 14.1 117.0 Really Low 06:18:30 - 06:38:32 614
Wenatchee 06:28:28 -34.3 Dark Down 16.4 119.2 Really Low 06:18:27 - 06:38:29 581
Ellensburg 06:28:28 -34.6 Dark Down 16.5 119.0 Really Low 06:18:27 - 06:38:29 538
Yakima 06:28:30 -35.0 Dark Down 16.7 118.8 Really Low 06:18:29 - 06:38:31 500
PNWRO 06:28:27 -36.1 Dark Down 17.9 120.1 Really Low 06:18:26 - 06:38:28 485
Toppenish/White Swan 06:28:29 -35.2 Dark Down 16.9 118.9 Really Low 06:18:28 - 06:38:30 483
Goldendale 06:28:31 -35.6 Dark Down 16.9 118.4 Really Low 06:18:30 - 06:38:32 421
The Dalles 06:28:32 -35.6 Dark Down 16.8 118.1 Really Low 06:18:31 - 06:38:33 391
Maupin 06:28:32 -36.0 Dark Down 17.0 118.1 Really Low 06:18:31 - 06:38:33 354
Dunrhomin 06:28:01 -45.0 Dark Up 29.4 129.8 Low 06:18:00 - 06:38:02 344
CU-SBO 06:28:01 -45.2 Dark Up 29.5 129.7 Low 06:18:00 - 06:38:02 318
Sisters 06:28:35 -36.6 Dark Down 17.1 117.4 Really Low 06:18:34 - 06:38:36 259
Bend 06:28:35 -36.9 Dark Down 17.4 117.6 Really Low 06:18:34 - 06:38:36 242
Oregon Observatory 06:28:35 -37.0 Dark Down 17.4 117.4 Really Low 06:18:34 - 06:38:36 223
North Lake 06:28:35 -37.7 Dark Down 18.0 117.7 Really Low 06:18:34 - 06:38:36 175
Lakeview 06:28:35 -38.8 Dark Down 18.9 117.8 Really Low 06:18:34 - 06:38:36 86
Chiloquin 06:28:38 -37.9 Dark Down 17.7 116.7 Really Low 06:18:37 - 06:38:39 85
Klamath Falls 06:28:38 -38.2 Dark Down 17.9 116.7 Really Low 06:18:37 - 06:38:39 54
Cedarville 06:28:36 -39.5 Dark Down 19.3 117.7 Really Low 06:18:35 - 06:38:37 27
Fall River/Burney 06:28:39 -39.4 Dark Down 18.7 116.6 Really Low 06:18:38 - 06:38:40 -51
Susanville 06:28:38 -40.2 Dark Down 19.5 117.0 Really Low 06:18:37 - 06:38:39 -94
Gimple 06:28:39 -40.4 Dark Down 19.5 116.8 Really Low 06:18:38 - 06:38:40 -127
Greenville 06:28:39 -40.3 Dark Down 19.4 116.7 Really Low 06:18:38 - 06:38:40 -129
Portola 06:28:39 -40.8 Dark Down 19.9 117.0 Really Low 06:18:38 - 06:38:40 -148
Quincy 06:28:39 -40.5 Dark Down 19.5 116.6 Really Low 06:18:38 - 06:38:40 -149
Reno 06:28:38 -41.3 Dark Down 20.5 117.4 Low 06:18:37 - 06:38:39 -157
Carson City 06:28:38 -41.6 Dark Down 20.7 117.3 Low 06:18:37 - 06:38:39 -192
Yerington 06:28:37 -42.0 Dark Down 21.2 117.7 Low 06:18:36 - 06:38:38 -194
Gardnerville 06:28:38 -41.8 Dark Down 20.8 117.2 Low 06:18:37 - 06:38:39 -215
Hawthorne 06:28:36 -42.6 Dark Down 21.8 117.9 Low 06:18:35 - 06:38:37 -225
Tonopah 06:28:33 -43.6 Dark Down 23.0 118.9 Low 06:18:32 - 06:38:34 -231
Lee Vining 06:28:38 -42.9 Dark Down 21.7 117.4 Low 06:18:37 - 06:38:39 -294
Beatty 06:28:33 -44.8 Dark Down 23.8 118.8 Low 06:18:32 - 06:38:34 -332
Indian Springs 06:28:31 -45.5 Dark Down 24.7 119.5 Low 06:18:30 - 06:38:32 -332
Bishop 06:28:37 -43.7 Dark Down 22.5 117.7 Low 06:18:36 - 06:38:38 -333
Henderson 06:28:30 -46.2 Dark Down 25.5 119.8 Low 06:18:29 - 06:38:31 -364
Patrick 06:28:27 -47.2 Dark Down 26.6 120.4 Low 06:18:26 - 06:38:28 -392
Kingman/Dolan Springs 06:28:28 -47.3 Dark Down 26.6 120.1 Low 06:18:27 - 06:38:29 -419
Laughlin/Bullhead City 06:28:29 -47.2 Dark Down 26.2 119.7 Low 06:18:28 - 06:38:30 -438
Mohave Valley 06:28:29 -47.4 Dark Down 26.3 119.6 Low 06:18:28 - 06:38:30 -465
George/Scottsdale 06:28:22 -49.4 Dark Up 28.9 121.2 Low 06:18:21 - 06:38:23 -495
Lake Havasu City 06:28:28 -47.8 Dark Down 26.7 119.6 Low 06:18:27 - 06:38:29 -497
Parker 06:28:29 -48.2 Dark Down 26.9 119.5 Low 06:18:28 - 06:38:30 -531
Idyllwild 06:28:35 -47.5 Dark Down 25.4 117.5 Low 06:18:34 - 06:38:36 -646
Wildwood 06:28:39 -46.4 Dark Down 23.8 116.3 Low 06:18:38 - 06:38:40 -667
Calipatria 06:28:32 -48.6 Dark Down 26.5 118.1 Low 06:18:31 - 06:38:33 -671
Yuma 06:28:30 -49.3 Dark Up 27.4 118.6 Low 06:18:29 - 06:38:31 -686

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 05GX206, (2024/03/30 06:17UT)
Object            RA         Dec     mag  sep  mel
Spica          13:25:11.5 -11:09:41  1.0 21.31  42
27Bet Lib      15:17:00.3 -09:22:59  2.6  7.56  20
107Mu Vir      14:43:03.8 -05:39:36  3.9  1.64  29
PPM 197926     14:48:02.2 -05:30:24  7.9  0.82  28
PPM 197934     14:48:53.7 -06:37:03  9.5  0.34  27
05GX206        14:49:10.4 -06:16:55 16.1        27
Positions are for J2000

Event circumstances last updated at 2022/03/26 00:07:17 UT

Marc W. Buie, Southwest Research Institute

RECON