RECON: TNO occultation with 47932

Event between (47932) 00GN171 and star GA0580:17834706 with event index number of 2314595

Geocentric closest approach at 2024/05/09 08:16:46 UTC

J2000 position of star is 17:10:13.8 -31:49:35
Equinox of date position of star is 17:11:47.5 -31:51:17
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 165 degrees from the moon. Moon is 2% illuminated.
Apparent brightness V=21.1

[RECON map]
Object is 29.6 AU from the Sun and 28.8 AU from the Earth.
Apparent velocity is 19.5 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 260 seconds.
The 1-sigma cross-track error in the shadow position is 1506 km.
The sky-plane scale is 20861.5 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 17.2 sec chord
Diameter=141.6 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 47932, (2024/05/09 08:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.3 -26:29:02  0.9 10.41 175
26Eps Sco      16:51:44.9 -34:20:06  2.3  4.88 167
PPM 296042     17:14:33.7 -32:27:55  6.2  0.84 164
PPM 296006     17:12:46.2 -32:13:14  8.5  0.42 165
PPM 295975     17:10:50.0 -32:02:47  9.7  0.28 165
47932          17:11:48.4 -31:51:18 16.9       165
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 3.5 sigma about the mid-time.
The median site spacing is 15.5 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)
Sleaford 08:17:04 -18.4 Dark Down 5.5 170.1 Really Low 08:02:04 - 08:32:04 5871
Kamloops 08:17:54 -21.7 Dark Down 4.4 158.2 Really Low 08:02:54 - 08:32:54 5749
Kelowna 08:17:53 -22.4 Dark Down 5.4 158.9 Really Low 08:02:53 - 08:32:53 5745
Peachland 08:17:54 -22.5 Dark Down 5.4 158.7 Really Low 08:02:54 - 08:32:54 5740
Summerland 08:17:55 -22.7 Dark Down 5.6 158.8 Really Low 08:02:55 - 08:32:55 5738
Penticton 08:17:54 -22.7 Dark Down 5.7 158.8 Really Low 08:02:54 - 08:32:54 5738
Oliver 08:17:55 -23.1 Dark Down 6.0 158.8 Really Low 08:02:55 - 08:32:55 5732
Anarchist Mountain Observatory 08:17:54 -23.3 Dark Down 6.2 159.0 Really Low 08:02:54 - 08:32:54 5731
Okanogan 08:17:55 -23.9 Dark Down 6.7 158.8 Really Low 08:02:55 - 08:32:55 5715
Brewster 08:17:55 -24.2 Dark Down 6.9 158.6 Really Low 08:02:55 - 08:32:55 5707
Manson/Chelan 08:17:55 -24.4 Dark Down 7.0 158.3 Really Low 08:02:55 - 08:32:55 5699
Wenatchee 08:17:55 -24.9 Dark Down 7.4 158.1 Really Low 08:02:55 - 08:32:55 5687
Ellensburg 08:17:55 -25.3 Dark Down 7.8 157.9 Really Low 08:02:55 - 08:32:55 5675
Victoria 08:17:55 -23.9 Dark Down 5.6 155.7 Really Low 08:02:55 - 08:32:55 5675
PNWRO 08:17:55 -26.2 Dark Down 9.1 159.2 Really Low 08:02:55 - 08:32:55 5671
Yakima 08:17:55 -25.7 Dark Down 8.1 157.9 Really Low 08:02:55 - 08:32:55 5666
Toppenish/White Swan 08:17:55 -25.9 Dark Down 8.4 158.0 Really Low 08:02:55 - 08:32:55 5663
The Dalles 08:17:55 -26.8 Dark Down 8.9 157.3 Really Low 08:02:55 - 08:32:55 5635
Maupin 08:17:55 -27.2 Dark Down 9.3 157.4 Really Low 08:02:55 - 08:32:55 5626
Dunrhomin 08:17:12 -29.3 Dark Down 17.2 170.4 Really Low 08:02:12 - 08:32:12 5606
Nikitin 08:17:13 -29.5 Dark Down 17.4 170.4 Really Low 08:02:13 - 08:32:13 5600
Sisters 08:17:55 -28.1 Dark Down 10.0 156.9 Really Low 08:02:55 - 08:32:55 5599
CU-SBO 08:17:12 -29.5 Dark Down 17.5 170.3 Really Low 08:02:12 - 08:32:12 5597
Bend 08:17:55 -28.3 Dark Down 10.3 157.1 Really Low 08:02:55 - 08:32:55 5596
Oregon Observatory 08:17:55 -28.5 Dark Down 10.4 157.0 Really Low 08:02:55 - 08:32:55 5590
Chiloquin 08:18:15 -29.8 Dark Down 11.5 156.6 Really Low 08:03:15 - 08:33:15 5535
Cedarville 08:17:55 -30.8 Dark Down 12.9 157.9 Really Low 08:02:55 - 08:32:55 5534
Klamath Falls 08:18:16 -30.2 Dark Down 11.9 156.7 Really Low 08:03:16 - 08:33:16 5525
Fall River/Burney 08:18:16 -31.3 Dark Down 13.1 156.9 Really Low 08:03:16 - 08:33:16 5492
Gimple 08:18:16 -32.2 Dark Down 14.1 157.2 Really Low 08:03:16 - 08:33:16 5467
Greenville 08:18:16 -32.2 Dark Down 14.0 157.2 Really Low 08:03:16 - 08:33:16 5466
Portola 08:18:15 -32.5 Dark Down 14.5 157.5 Really Low 08:03:15 - 08:33:15 5462
Reno 08:18:13 -32.7 Dark Down 14.9 158.0 Really Low 08:03:13 - 08:33:13 5461
Quincy 08:18:16 -32.4 Dark Down 14.2 157.2 Really Low 08:03:16 - 08:33:16 5459
Yerington 08:17:55 -33.2 Dark Down 15.6 158.5 Really Low 08:02:55 - 08:32:55 5458
Carson City 08:18:13 -33.0 Dark Down 15.2 158.0 Really Low 08:03:13 - 08:33:13 5448
Hawthorne 08:17:55 -33.6 Dark Down 16.2 158.9 Really Low 08:02:55 - 08:32:55 5446
Gardnerville 08:18:13 -33.3 Dark Down 15.5 158.0 Really Low 08:03:13 - 08:33:13 5440
Lee Vining 08:18:13 -34.2 Dark Down 16.6 158.4 Really Low 08:03:13 - 08:33:13 5411
Bishop 08:17:55 -34.7 Dark Down 17.3 158.9 Really Low 08:02:55 - 08:32:55 5404
Beatty 08:17:55 -35.0 Dark Down 18.2 160.3 Really Low 08:02:55 - 08:32:55 5400
Patrick 08:17:54 -36.0 Dark Down 20.4 162.6 Low 08:02:54 - 08:32:54 5366
Laughlin/Bullhead City 08:17:55 -36.3 Dark Down 20.4 161.9 Low 08:02:55 - 08:32:55 5348
Lake Havasu City 08:17:55 -36.9 Dark Down 21.1 162.1 Low 08:02:55 - 08:32:55 5321
George/Scottsdale 08:17:47 -37.2 Dark Down 22.5 164.1 Low 08:02:47 - 08:32:47 5309
Idyllwild 08:17:55 -38.1 Dark Down 21.2 159.9 Low 08:02:55 - 08:32:55 5267
Wildwood 08:18:16 -38.0 Dark Down 20.3 158.4 Low 08:03:16 - 08:33:16 5251
Calipatria 08:17:55 -38.5 Dark Down 22.1 160.9 Low 08:02:55 - 08:32:55 5247
Yuma 08:17:55 -38.7 Dark Down 22.8 161.6 Low 08:02:55 - 08:32:55 5235

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, (2024/05/09 08:17UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 10.41 175
26Eps Sco      16:50:08.8 -34:17:41  2.3  4.88 167
PPM 296042     17:12:58.5 -32:26:18  6.2  0.84 164
PPM 296006     17:11:11.3 -32:11:33  8.5  0.42 165
PPM 295975     17:09:15.2 -32:01:02  9.7  0.28 165
47932          17:10:13.8 -31:49:35 16.9       165
Positions are for J2000

Event circumstances last updated at 2024/02/12 04:22:01 UT

Marc W. Buie, Southwest Research Institute

RECON