RECON: TNO occultation with 47932

Event between (47932) 00GN171 and star GA0580:17621036 with event index number of 2314615

Geocentric closest approach at 2024/05/15 09:18:17 UTC

J2000 position of star is 17:09:34.1 -31:50:01
Equinox of date position of star is 17:11:07.8 -31:51:45
Stellar brightness G=16.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon. Moon is 49% illuminated.
Apparent brightness V=21.1

[RECON map]
Object is 29.6 AU from the Sun and 28.7 AU from the Earth.
Apparent velocity is 20.8 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 239 seconds.
The 1-sigma cross-track error in the shadow position is 1601 km.
The sky-plane scale is 20829.0 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 16.0 sec chord
Diameter=141.6 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 47932, (2024/05/15 09:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.3 -26:29:02  0.9 10.29 106
26Eps Sco      16:51:44.9 -34:20:06  2.3  4.75 112
PPM 296042     17:14:33.8 -32:27:55  6.2  0.94 116
PPM 296006     17:12:46.3 -32:13:14  8.5  0.50 116
PPM 295975     17:10:50.0 -32:02:47  9.7  0.20 116
47932          17:11:08.8 -31:51:46 16.0       116
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 3.8 sigma about the mid-time.
The median site spacing is 23.8 km RECON observability=0.2 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 09:18:22 -18.1 Dark Up 7.4 176.1 Really Low 09:03:22 - 09:33:22 9720
Kelowna 09:18:19 -18.6 Dark Up 8.2 176.8 Really Low 09:03:19 - 09:33:19 9708
Peachland 09:18:20 -18.8 Dark Up 8.3 176.6 Really Low 09:03:20 - 09:33:20 9706
Summerland 09:18:20 -18.9 Dark Up 8.5 176.7 Really Low 09:03:20 - 09:33:20 9704
Penticton 09:18:20 -19.0 Dark Up 8.6 176.8 Really Low 09:03:20 - 09:33:20 9702
Oliver 09:18:20 -19.3 Dark Up 8.9 176.8 Really Low 09:03:20 - 09:33:20 9696
Anarchist Mountain Observatory 09:18:20 -19.4 Dark Up 9.1 176.9 Really Low 09:03:20 - 09:33:20 9694
Okanogan 09:18:20 -20.1 Dark Up 9.7 176.7 Really Low 09:03:20 - 09:33:20 9682
Victoria 09:18:33 -20.7 Dark Up 9.4 173.5 Really Low 09:03:33 - 09:33:33 9680
Sleaford 09:17:35 -12.8 AT Down 5.7 188.3 Really Low 09:02:35 - 09:32:35 9680
Brewster 09:18:21 -20.4 Dark Up 10.0 176.6 Really Low 09:03:21 - 09:33:21 9676
Manson/Chelan 09:18:22 -20.6 Dark Up 10.2 176.2 Really Low 09:03:22 - 09:33:22 9672
Wenatchee 09:18:23 -21.1 Dark Up 10.7 176.1 Really Low 09:03:23 - 09:33:23 9663
Ellensburg 09:18:23 -21.6 Dark Up 11.1 175.9 Really Low 09:03:23 - 09:33:23 9654
Yakima 09:18:24 -22.0 Dark Up 11.5 175.9 Really Low 09:03:24 - 09:33:24 9645
Toppenish/White Swan 09:18:24 -22.1 Dark Up 11.7 176.0 Really Low 09:03:24 - 09:33:24 9640
PNWRO 09:18:18 -22.1 Dark Up 12.1 177.3 Really Low 09:03:18 - 09:33:18 9632
The Dalles 09:18:27 -23.0 Dark Up 12.4 175.3 Really Low 09:03:27 - 09:33:27 9622
Maupin 09:18:27 -23.4 Dark Up 12.8 175.4 Really Low 09:03:27 - 09:33:27 9612
Sisters 09:18:29 -24.3 Dark Up 13.7 175.0 Really Low 09:03:29 - 09:33:29 9589
Bend 09:18:28 -24.5 Dark Up 13.9 175.2 Really Low 09:03:28 - 09:33:28 9583
Oregon Observatory 09:18:29 -24.7 Dark Up 14.1 175.1 Really Low 09:03:29 - 09:33:29 9579
Chiloquin 09:18:31 -26.0 Dark Up 15.4 174.7 Really Low 09:03:31 - 09:33:31 9541
Klamath Falls 09:18:31 -26.3 Dark Up 15.7 174.8 Really Low 09:03:31 - 09:33:31 9530
Cedarville 09:18:25 -26.6 Dark Up 16.5 176.1 Really Low 09:03:25 - 09:33:25 9510
Fall River/Burney 09:18:30 -27.4 Dark Up 16.9 175.1 Really Low 09:03:30 - 09:33:30 9494
Greenville 09:18:28 -28.1 Dark Up 17.9 175.4 Really Low 09:03:28 - 09:33:28 9464
Gimple 09:18:28 -28.1 Dark Up 17.9 175.5 Really Low 09:03:28 - 09:33:28 9464
Quincy 09:18:28 -28.3 Dark Up 18.1 175.4 Really Low 09:03:28 - 09:33:28 9457
Portola 09:18:26 -28.3 Dark Down 18.2 175.8 Really Low 09:03:26 - 09:33:26 9453
Reno 09:18:24 -28.3 Dark Down 18.5 176.4 Really Low 09:03:24 - 09:33:24 9444
Carson City 09:18:23 -28.6 Dark Down 18.9 176.4 Really Low 09:03:23 - 09:33:23 9431
Yerington 09:18:22 -28.6 Dark Down 19.1 177.0 Really Low 09:03:22 - 09:33:22 9424
Gardnerville 09:18:24 -28.9 Dark Down 19.1 176.5 Really Low 09:03:24 - 09:33:24 9423
Hawthorne 09:18:20 -28.9 Dark Down 19.6 177.4 Really Low 09:03:20 - 09:33:20 9407
Dunrhomin 09:17:27 -22.3 Dark Down 17.3 189.2 Really Low 09:02:27 - 09:32:27 9388
Lee Vining 09:18:21 -29.6 Dark Down 20.1 177.0 Low 09:03:21 - 09:33:21 9387
Nikitin 09:17:26 -22.5 Dark Down 17.5 189.2 Really Low 09:02:26 - 09:32:26 9382
CU-SBO 09:17:27 -22.6 Dark Down 17.5 189.2 Really Low 09:02:27 - 09:32:27 9380
Bishop 09:18:18 -29.9 Dark Down 20.8 177.6 Low 09:03:18 - 09:33:18 9362
Beatty 09:18:13 -29.8 Dark Down 21.3 179.1 Low 09:03:13 - 09:33:13 9341
Patrick 09:18:00 -30.0 Dark Down 22.7 181.7 Low 09:03:00 - 09:33:00 9268
Laughlin/Bullhead City 09:18:03 -30.5 Dark Down 23.0 181.1 Low 09:03:03 - 09:33:03 9260
Lake Havasu City 09:18:02 -31.0 Dark Down 23.7 181.3 Low 09:03:02 - 09:33:02 9230
Wildwood 09:18:21 -32.9 Dark Down 24.0 177.4 Low 09:03:21 - 09:33:21 9224
Idyllwild 09:18:12 -32.6 Dark Down 24.4 179.1 Low 09:03:12 - 09:33:12 9205
George/Scottsdale 09:17:51 -30.7 Dark Down 24.4 183.6 Low 09:02:51 - 09:32:51 9181
Calipatria 09:18:07 -32.7 Dark Down 25.0 180.2 Low 09:03:07 - 09:33:07 9172
Yuma 09:18:03 -32.7 Dark Down 25.5 181.0 Low 09:03:03 - 09:33:03 9148

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 47932, (2024/05/15 09:18UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.29 106
26Eps Sco      16:50:08.8 -34:17:41  2.3  4.75 112
PPM 296042     17:12:58.5 -32:26:18  6.2  0.94 116
PPM 296006     17:11:11.3 -32:11:33  8.5  0.50 116
PPM 295975     17:09:15.2 -32:01:02  9.7  0.20 116
47932          17:09:34.1 -31:50:01 16.0       116
Positions are for J2000

Event circumstances last updated at 2024/02/12 04:22:22 UT

Marc W. Buie, Southwest Research Institute

RECON