RECON: TNO occultation with 47932

Event between (47932) 00GN171 and star GA0580:15321010 with event index number of 2314791

Geocentric closest approach at 2024/07/08 06:25:56 UTC

J2000 position of star is 17:03:03.9 -31:44:21
Equinox of date position of star is 17:04:38.7 -31:46:19
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon. Moon is 6% illuminated.
Apparent brightness V=21.1

[RECON map]
Object is 29.7 AU from the Sun and 28.8 AU from the Earth.
Apparent velocity is 19.8 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 231 seconds.
The 1-sigma cross-track error in the shadow position is 1483 km.
The sky-plane scale is 20866.4 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 16.9 sec chord
Diameter=141.6 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 47932, (2024/07/08 06:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.9 -26:29:03  0.9  9.06 116
26Eps Sco      16:51:45.5 -34:20:07  2.3  3.72 122
PPM 295807     17:03:28.0 -32:10:40  5.0  0.48 124
PPM 295835     17:04:52.9 -31:38:52  7.2  0.13 124
47932          17:04:39.0 -31:46:20 16.6       124
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 3.9 sigma about the mid-time.
The median site spacing is 20.5 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 06:25:40 -14.9 AT Down 4.1 198.2 Really Low 06:10:40 - 06:40:40 10348
Kamloops 06:26:25 -13.6 AT Down 7.3 186.2 Really Low 06:11:25 - 06:41:25 10292
Kelowna 06:26:23 -14.6 AT Down 8.1 186.9 Really Low 06:11:23 - 06:41:23 10287
Peachland 06:26:23 -14.6 AT Down 8.2 186.7 Really Low 06:11:23 - 06:41:23 10284
Summerland 06:26:23 -14.8 AT Down 8.4 186.8 Really Low 06:11:23 - 06:41:23 10282
Penticton 06:26:23 -14.9 AT Down 8.4 186.9 Really Low 06:11:23 - 06:41:23 10282
Oliver 06:26:21 -15.2 AT Down 8.8 186.9 Really Low 06:11:21 - 06:41:21 10276
Anarchist Mountain Observatory 06:26:20 -15.4 AT Down 8.9 187.0 Really Low 06:11:20 - 06:41:20 10276
Okanogan 06:26:21 -16.0 AT Down 9.6 186.8 Really Low 06:11:21 - 06:41:21 10263
Brewster 06:26:22 -16.2 AT Down 9.9 186.7 Really Low 06:11:22 - 06:41:22 10256
Manson/Chelan 06:26:23 -16.2 AT Down 10.1 186.4 Really Low 06:11:23 - 06:41:23 10250
Wenatchee 06:26:23 -16.6 AT Down 10.6 186.2 Really Low 06:11:23 - 06:41:23 10239
Victoria 06:26:35 -14.8 AT Down 9.7 183.6 Really Low 06:11:35 - 06:41:35 10232
Ellensburg 06:26:25 -17.0 AT Down 11.0 186.1 Really Low 06:11:25 - 06:41:25 10230
PNWRO 06:26:18 -18.3 Dark Down 11.9 187.5 Really Low 06:11:18 - 06:41:18 10222
Yakima 06:26:23 -17.3 AT Down 11.4 186.0 Really Low 06:11:23 - 06:41:23 10221
Toppenish/White Swan 06:26:22 -17.6 AT Down 11.6 186.2 Really Low 06:11:22 - 06:41:22 10218
The Dalles 06:26:26 -18.0 Dark Down 12.5 185.5 Really Low 06:11:26 - 06:41:26 10194
Maupin 06:26:24 -18.5 Dark Down 12.9 185.6 Really Low 06:11:24 - 06:41:24 10185
Sisters 06:26:26 -19.1 Dark Down 13.8 185.2 Really Low 06:11:26 - 06:41:26 10160
Bend 06:26:25 -19.4 Dark Down 14.0 185.5 Really Low 06:11:25 - 06:41:25 10156
Oregon Observatory 06:26:25 -19.5 Dark Down 14.2 185.3 Really Low 06:11:25 - 06:41:25 10151
Chiloquin 06:26:27 -20.6 Dark Down 15.5 185.0 Really Low 06:11:27 - 06:41:27 10111
Klamath Falls 06:26:26 -20.9 Dark Down 15.8 185.1 Really Low 06:11:26 - 06:41:26 10102
Dunrhomin 06:25:17 -26.6 Dark Down 15.2 199.4 Really Low 06:10:17 - 06:40:17 10101
Cedarville 06:26:19 -22.0 Dark Down 16.4 186.5 Really Low 06:11:19 - 06:41:19 10096
Nikitin 06:25:18 -26.8 Dark Down 15.3 199.4 Really Low 06:10:18 - 06:40:18 10096
CU-SBO 06:25:18 -26.9 Dark Down 15.4 199.3 Really Low 06:10:18 - 06:40:18 10094
Fall River/Burney 06:26:23 -22.1 Dark Down 17.0 185.5 Really Low 06:11:23 - 06:41:23 10070
Gimple 06:26:20 -23.1 Dark Down 17.9 185.9 Really Low 06:11:20 - 06:41:20 10046
Greenville 06:26:21 -23.0 Dark Down 17.9 185.9 Really Low 06:11:21 - 06:41:21 10045
Portola 06:26:18 -23.5 Dark Down 18.2 186.3 Really Low 06:11:18 - 06:41:18 10039
Quincy 06:26:20 -23.2 Dark Down 18.1 185.9 Really Low 06:11:20 - 06:41:20 10038
Reno 06:26:15 -23.9 Dark Down 18.4 186.9 Really Low 06:11:15 - 06:41:15 10036
Carson City 06:26:16 -24.3 Dark Down 18.7 186.9 Really Low 06:11:16 - 06:41:16 10024
Yerington 06:26:13 -24.7 Dark Down 18.8 187.5 Really Low 06:11:13 - 06:41:13 10022
Gardnerville 06:26:16 -24.5 Dark Down 19.0 187.0 Really Low 06:11:16 - 06:41:16 10016
Hawthorne 06:26:10 -25.2 Dark Down 19.3 188.0 Really Low 06:11:10 - 06:41:10 10010
Lee Vining 06:26:11 -25.6 Dark Down 19.9 187.6 Really Low 06:11:11 - 06:41:11 9986
Bishop 06:26:08 -26.4 Dark Down 20.4 188.2 Low 06:11:08 - 06:41:08 9969
Beatty 06:26:01 -27.3 Dark Down 20.6 189.7 Low 06:11:01 - 06:41:01 9963
Patrick 06:25:47 -29.5 Dark Down 21.7 192.4 Low 06:10:47 - 06:40:47 9920
Laughlin/Bullhead City 06:25:50 -29.6 Dark Down 22.0 191.7 Low 06:10:50 - 06:40:50 9906
Lake Havasu City 06:25:48 -30.3 Dark Down 22.6 192.0 Low 06:10:48 - 06:40:48 9879
George/Scottsdale 06:25:36 -31.7 Dark Down 22.9 194.3 Low 06:10:36 - 06:40:36 9855
Wildwood 06:26:06 -29.3 Dark Down 23.6 188.2 Low 06:11:06 - 06:41:06 9834
Idyllwild 06:25:57 -30.2 Dark Down 23.8 189.9 Low 06:10:57 - 06:40:57 9834
Calipatria 06:25:52 -31.2 Dark Down 24.2 191.1 Low 06:10:52 - 06:40:52 9812
Yuma 06:25:48 -31.8 Dark Down 24.5 191.9 Low 06:10:48 - 06:40:48 9798

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, (2024/07/08 06:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  9.06 116
26Eps Sco      16:50:08.8 -34:17:41  2.3  3.72 122
PPM 295807     17:01:52.6 -32:08:38  5.0  0.48 124
PPM 295835     17:03:18.0 -31:36:53  7.2  0.13 124
47932          17:03:03.9 -31:44:21 16.6       124
Positions are for J2000

Event circumstances last updated at 2024/06/11 03:47:56 UT

Marc W. Buie, Southwest Research Institute

RECON