RECON: TNO occultation with 47932

Event between (47932) 00GN171 and star GA0560:25406474 with event index number of 2317224

Geocentric closest approach at 2028/06/18 08:19:12 UTC

J2000 position of star is 17:51:59.6 -33:20:47
Equinox of date position of star is 17:53:36.4 -33:21:02
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 125 degrees from the moon. Moon is 21% illuminated.
Apparent brightness V=21.1

[RECON map]
Object is 30.4 AU from the Sun and 29.4 AU from the Earth.
Apparent velocity is 23.5 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 370 seconds.
The 1-sigma cross-track error in the shadow position is 1947 km.
The sky-plane scale is 21355.2 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 14.3 sec chord
Diameter=141.6 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 47932, (2028/06/18 08:19UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.5 -26:29:33  0.9 19.15 143
34Ups Sco      17:32:42.1 -37:18:56  2.7  5.86 129
PPM 296936     17:54:42.5 -34:07:09  5.8  0.79 125
PPM 296883     17:52:55.5 -32:59:42  8.4  0.41 125
PPM 296898     17:53:20.0 -33:19:47  8.9  0.11 125
47932          17:53:52.2 -33:21:04 16.5       125
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 2.4 sigma about the mid-time.
The median site spacing is 14.9 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 08:18:59 -15.8 AT Down 5.9 182.9 Really Low 08:03:59 - 08:33:59 12242
Kelowna 08:18:57 -16.6 AT Down 6.7 183.7 Really Low 08:03:57 - 08:33:57 12229
Peachland 08:18:57 -16.7 AT Down 6.8 183.4 Really Low 08:03:57 - 08:33:57 12228
Summerland 08:18:56 -16.9 AT Down 7.0 183.5 Really Low 08:03:56 - 08:33:56 12226
Penticton 08:18:56 -16.9 AT Down 7.0 183.6 Really Low 08:03:56 - 08:33:56 12225
Oliver 08:18:56 -17.3 AT Down 7.4 183.6 Really Low 08:03:56 - 08:33:56 12219
Victoria 08:19:08 -18.1 Dark Down 8.1 180.4 Really Low 08:04:08 - 08:34:08 12219
Anarchist Mountain Observatory 08:18:55 -17.4 AT Down 7.5 183.8 Really Low 08:03:55 - 08:33:55 12217
Okanogan 08:18:57 -18.1 Dark Down 8.2 183.6 Really Low 08:03:57 - 08:33:57 12207
Brewster 08:18:56 -18.4 Dark Down 8.5 183.4 Really Low 08:03:56 - 08:33:56 12203
Manson/Chelan 08:18:57 -18.6 Dark Down 8.7 183.1 Really Low 08:03:57 - 08:33:57 12201
Wenatchee 08:18:58 -19.1 Dark Down 9.2 183.0 Really Low 08:03:58 - 08:33:58 12193
Ellensburg 08:18:59 -19.5 Dark Down 9.6 182.8 Really Low 08:03:59 - 08:33:59 12187
Yakima 08:18:59 -19.9 Dark Down 10.0 182.8 Really Low 08:03:59 - 08:33:59 12179
Toppenish/White Swan 08:18:59 -20.1 Dark Down 10.2 182.9 Really Low 08:03:59 - 08:33:59 12174
PNWRO 08:18:53 -20.4 Dark Down 10.5 184.2 Really Low 08:03:53 - 08:33:53 12161
The Dalles 08:19:00 -20.9 Dark Down 11.0 182.3 Really Low 08:04:00 - 08:34:00 12160
Maupin 08:19:00 -21.3 Dark Down 11.4 182.4 Really Low 08:04:00 - 08:34:00 12151
Sleaford 08:18:19 -12.8 AT Up 3.2 194.8 Really Low 08:03:19 - 08:33:19 12147
Sisters 08:19:02 -22.2 Dark Down 12.3 182.0 Really Low 08:04:02 - 08:34:02 12133
Bend 08:19:01 -22.5 Dark Down 12.6 182.2 Really Low 08:04:01 - 08:34:01 12126
Oregon Observatory 08:19:01 -22.6 Dark Down 12.7 182.1 Really Low 08:04:01 - 08:34:01 12123
Chiloquin 08:19:02 -24.0 Dark Down 14.1 181.7 Really Low 08:04:02 - 08:34:02 12090
Klamath Falls 08:19:02 -24.3 Dark Down 14.4 181.8 Really Low 08:04:02 - 08:34:02 12080
Cedarville 08:18:57 -24.9 Dark Down 15.0 183.2 Really Low 08:03:57 - 08:33:57 12055
Fall River/Burney 08:19:01 -25.5 Dark Down 15.6 182.1 Really Low 08:04:01 - 08:34:01 12045
Greenville 08:18:59 -26.4 Dark Down 16.5 182.5 Really Low 08:03:59 - 08:33:59 12016
Gimple 08:19:00 -26.4 Dark Down 16.5 182.6 Really Low 08:04:00 - 08:34:00 12015
Quincy 08:19:00 -26.6 Dark Down 16.7 182.5 Really Low 08:04:00 - 08:34:00 12009
Portola 08:18:57 -26.7 Dark Down 16.8 182.9 Really Low 08:03:57 - 08:33:57 12004
Reno 08:18:55 -26.9 Dark Down 17.0 183.5 Really Low 08:03:55 - 08:33:55 11992
Carson City 08:18:55 -27.2 Dark Down 17.4 183.5 Really Low 08:03:55 - 08:33:55 11981
Gardnerville 08:18:54 -27.5 Dark Down 17.6 183.6 Really Low 08:03:54 - 08:33:54 11972
Yerington 08:18:53 -27.4 Dark Down 17.5 184.1 Really Low 08:03:53 - 08:33:53 11971
Hawthorne 08:18:50 -27.8 Dark Down 18.0 184.5 Really Low 08:03:50 - 08:33:50 11952
Lee Vining 08:18:52 -28.4 Dark Down 18.6 184.1 Really Low 08:03:52 - 08:33:52 11936
Bishop 08:18:49 -29.0 Dark Down 19.1 184.8 Really Low 08:03:49 - 08:33:49 11909
Beatty 08:18:43 -29.3 Dark Down 19.4 186.2 Really Low 08:03:43 - 08:33:43 11882
Dunrhomin 08:18:04 -23.9 Dark Up 14.5 195.8 Really Low 08:03:04 - 08:33:04 11870
Nikitin 08:18:05 -24.1 Dark Up 14.6 195.8 Really Low 08:03:05 - 08:33:05 11864
CU-SBO 08:18:06 -24.2 Dark Up 14.7 195.8 Really Low 08:03:06 - 08:33:06 11863
Patrick 08:18:33 -30.3 Dark Down 20.6 188.8 Low 08:03:33 - 08:33:33 11799
Laughlin/Bullhead City 08:18:34 -30.7 Dark Down 20.9 188.2 Low 08:03:34 - 08:33:34 11795
Wildwood 08:18:50 -32.2 Dark Down 22.4 184.7 Low 08:03:50 - 08:33:50 11780
Lake Havasu City 08:18:33 -31.3 Dark Down 21.6 188.5 Low 08:03:33 - 08:33:33 11765
Idyllwild 08:18:42 -32.4 Dark Down 22.6 186.4 Low 08:03:42 - 08:33:42 11753
Calipatria 08:18:37 -32.8 Dark Down 23.1 187.5 Low 08:03:37 - 08:33:37 11715
George/Scottsdale 08:18:24 -31.7 Dark Down 22.0 190.7 Low 08:03:24 - 08:33:24 11706
Yuma 08:18:35 -33.1 Dark Down 23.4 188.3 Low 08:03:35 - 08:33:35 11688

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, (2028/06/18 08:19UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.15 143
34Ups Sco      17:30:45.8 -37:17:46  2.7  5.86 129
PPM 296936     17:52:49.2 -34:06:53  5.8  0.79 125
PPM 296883     17:51:03.2 -32:59:22  8.4  0.41 125
PPM 296898     17:51:27.5 -33:19:28  8.9  0.11 125
47932          17:51:59.6 -33:20:47 16.5       125
Positions are for J2000

Event circumstances last updated at 2024/06/24 21:29:59 UT

Marc W. Buie, Southwest Research Institute

RECON