RECON: TNO occultation with 47932

Event between (47932) 00GN171 and star GA0580:12891147 with event index number of 2313966

Geocentric closest approach at 2023/06/03 06:31:27 UTC

J2000 position of star is 16:55:37.9 -31:16:32
Equinox of date position of star is 16:57:07.7 -31:18:40
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 16 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=21.0

[RECON map]
Object is 29.5 AU from the Sun and 28.5 AU from the Earth.
Apparent velocity is 23.3 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 172 seconds.
The 1-sigma cross-track error in the shadow position is 1632 km.
The sky-plane scale is 20646.1 km/arcsec.

The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 14.4 sec chord
Diameter=141.6 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 47932, (2023/06/03 06:31UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:50.8 -26:28:55  0.9  7.51   9
26Eps Sco      16:51:41.2 -34:20:01  2.3  3.23  17
PPM 295639     16:56:05.8 -30:37:25  6.5  0.72  16
PPM 295653     16:56:38.6 -31:15:32  8.1  0.12  16
PPM 295662     16:57:03.8 -31:22:03  8.6  0.06  16
47932          16:57:08.2 -31:18:40 16.2        17
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 15.7 km RECON observability=0.2 and success probability=3.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:32:15 -15.3 AT Up 6.2 171.2 Really Low 06:17:24 - 06:47:06 72
Kamloops 06:32:57 -14.6 AT Up 5.2 159.1 Really Low 06:18:06 - 06:47:48 -170
Kelowna 06:32:56 -15.5 AT Up 6.2 159.8 Really Low 06:18:05 - 06:47:47 -172
Peachland 06:32:57 -15.6 AT Up 6.2 159.6 Really Low 06:18:06 - 06:47:48 -180
Penticton 06:32:56 -15.8 AT Up 6.5 159.7 Really Low 06:18:05 - 06:47:47 -181
Summerland 06:32:57 -15.7 AT Up 6.4 159.6 Really Low 06:18:06 - 06:47:48 -181
Anarchist Mountain Observatory 06:32:57 -16.4 AT Up 7.0 159.9 Really Low 06:18:06 - 06:47:48 -189
Oliver 06:32:57 -16.2 AT Up 6.8 159.7 Really Low 06:18:06 - 06:47:48 -189
Okanogan 06:32:58 -16.9 AT Up 7.6 159.7 Really Low 06:18:07 - 06:47:49 -210
Dunrhomin 06:32:19 -27.2 Dark Up 17.9 171.5 Really Low 06:17:28 - 06:47:10 -221
Brewster 06:32:59 -17.1 AT Up 7.8 159.5 Really Low 06:18:08 - 06:47:50 -221
Nikitin 06:32:19 -27.3 Dark Up 18.1 171.4 Really Low 06:17:28 - 06:47:10 -227
CU-SBO 06:32:20 -27.4 Dark Up 18.2 171.4 Really Low 06:17:29 - 06:47:11 -231
Manson/Chelan 06:33:00 -17.2 AT Up 7.9 159.2 Really Low 06:18:09 - 06:47:51 -234
Wenatchee 06:33:02 -17.6 AT Up 8.3 159.0 Really Low 06:18:11 - 06:47:53 -251
PNWRO 06:32:59 -19.3 Dark Up 9.9 160.1 Really Low 06:18:08 - 06:47:50 -262
Ellensburg 06:33:03 -18.0 AT Up 8.6 158.8 Really Low 06:18:12 - 06:47:54 -267
Yakima 06:33:03 -18.3 Dark Up 9.0 158.8 Really Low 06:18:12 - 06:47:54 -279
Toppenish/White Swan 06:33:03 -18.6 Dark Up 9.2 158.9 Really Low 06:18:12 - 06:47:54 -282
Victoria 06:33:09 -15.8 AT Up 6.5 156.5 Really Low 06:18:18 - 06:48:00 -286
The Dalles 06:33:07 -19.1 Dark Up 9.8 158.2 Really Low 06:18:16 - 06:47:58 -323
Maupin 06:33:07 -19.5 Dark Up 10.2 158.3 Really Low 06:18:16 - 06:47:58 -333
Sisters 06:33:10 -20.2 Dark Up 10.9 157.8 Really Low 06:18:19 - 06:48:01 -372
Bend 06:33:09 -20.5 Dark Up 11.2 158.0 Really Low 06:18:18 - 06:48:00 -375
Oregon Observatory 06:33:10 -20.6 Dark Up 11.3 157.9 Really Low 06:18:19 - 06:48:01 -383
Cedarville 06:33:09 -23.2 Dark Up 13.8 158.7 Really Low 06:18:18 - 06:48:00 -440
Chiloquin 06:33:13 -21.7 Dark Up 12.4 157.4 Really Low 06:18:22 - 06:48:04 -440
Klamath Falls 06:33:13 -22.1 Dark Up 12.7 157.5 Really Low 06:18:22 - 06:48:04 -451
Fall River/Burney 06:33:13 -23.3 Dark Up 13.9 157.7 Really Low 06:18:22 - 06:48:04 -487
Reno 06:33:10 -25.1 Dark Up 15.8 158.9 Really Low 06:18:19 - 06:48:01 -510
Gimple 06:33:13 -24.3 Dark Up 14.9 158.0 Really Low 06:18:22 - 06:48:04 -511
Greenville 06:33:13 -24.2 Dark Up 14.9 158.0 Really Low 06:18:22 - 06:48:04 -513
Portola 06:33:12 -24.7 Dark Up 15.3 158.3 Really Low 06:18:21 - 06:48:03 -514
Yerington 06:33:08 -25.8 Dark Up 16.5 159.3 Really Low 06:18:17 - 06:47:59 -519
Quincy 06:33:13 -24.4 Dark Up 15.1 158.0 Really Low 06:18:22 - 06:48:04 -521
Carson City 06:33:10 -25.5 Dark Up 16.1 158.8 Really Low 06:18:19 - 06:48:01 -525
Hawthorne 06:33:07 -26.4 Dark Up 17.0 159.7 Really Low 06:18:16 - 06:47:58 -526
Gardnerville 06:33:10 -25.7 Dark Up 16.3 158.8 Really Low 06:18:19 - 06:48:01 -534
Beatty 06:33:02 -28.4 Dark Up 19.1 161.1 Really Low 06:18:11 - 06:47:53 -556
Lee Vining 06:33:09 -26.8 Dark Up 17.4 159.3 Really Low 06:18:18 - 06:48:00 -561
Patrick 06:32:53 -30.5 Dark Up 21.2 163.5 Low 06:18:02 - 06:47:44 -564
Bishop 06:33:08 -27.5 Dark Up 18.2 159.8 Really Low 06:18:17 - 06:47:59 -572
Laughlin/Bullhead City 06:32:56 -30.6 Dark Up 21.3 162.8 Low 06:18:05 - 06:47:47 -591
George/Scottsdale 06:32:47 -32.6 Dark Up 23.3 165.1 Low 06:17:56 - 06:47:38 -606
Lake Havasu City 06:32:56 -31.3 Dark Up 22.0 163.0 Low 06:18:05 - 06:47:47 -618
Idyllwild 06:33:05 -31.4 Dark Up 22.1 160.8 Low 06:18:14 - 06:47:56 -705
Calipatria 06:33:01 -32.3 Dark Up 23.0 161.8 Low 06:18:10 - 06:47:52 -711
Yuma 06:32:58 -33.0 Dark Up 23.6 162.5 Low 06:18:07 - 06:47:49 -714
Wildwood 06:33:11 -30.5 Dark Up 21.2 159.2 Low 06:18:20 - 06:48:02 -732

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, (2023/06/03 06:31UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.51   9
26Eps Sco      16:50:08.8 -34:17:41  2.3  3.23  17
PPM 295639     16:54:36.0 -30:35:14  6.5  0.72  16
PPM 295653     16:55:08.3 -31:13:22  8.1  0.12  16
PPM 295662     16:55:33.4 -31:19:54  8.6  0.06  16
47932          16:55:37.9 -31:16:32 16.2        16
Positions are for J2000

Event circumstances last updated at 2023/04/19 02:36:48 UT

Marc W. Buie, Southwest Research Institute

RECON