RECON: TNO occultation with 523734

Event between (523734) 14QV441 and star GA0860:00641995 with event index number of 2743593

Geocentric closest approach at 2029/04/03 04:34:33 UTC

J2000 position of star is 05:19:33.7 -02:25:34
Equinox of date position of star is 05:20:46.1 -02:24:11
Stellar brightness G=17.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 151 degrees from the moon. Moon is 77% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 20.7 AU from the Sun and 21.0 AU from the Earth.
Apparent velocity is 22.9 km/sec on the sky relative to the star, or, 5.4 arcsec/hr.
The 1-sigma error in the time of the event is 104 seconds.
The 1-sigma cross-track error in the shadow position is 1667 km.
The sky-plane scale is 15251.7 km/arcsec.

The object has an absolute magnitude Hv=8.7
Diameter=106.7 km assuming a 5% albedo -- 4.7 sec chord
Diameter=43.5 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 523734, (2029/04/03 04:32UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:56.7 -08:10:12  0.1  5.91 146
34Del Ori      05:33:30.2 -00:16:47  2.2  3.77 152
28Eta Ori      05:25:57.0 -02:22:21  3.4  1.23 151
PPM 187977     05:22:39.5 -02:49:59  8.0  0.59 151
PPM 175796     05:21:01.8 -02:17:39  9.0  0.10 151
523734         05:21:02.0 -02:23:53 17.0       151
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 **** km RECON observability=0.1 and success probability=4.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 04:38:48 -18.7 Dark Down 15.8 245.5 Really Low 04:29:39 - 04:47:56 4802
Kelowna 04:38:50 -19.6 Dark Down 15.6 246.5 Really Low 04:29:41 - 04:47:58 4700
Peachland 04:38:49 -19.5 Dark Down 15.8 246.3 Really Low 04:29:41 - 04:47:58 4696
Sleaford 04:38:58 -24.5 Dark Down 6.8 257.2 Really Low 04:29:49 - 04:48:06 4691
Summerland 04:38:50 -19.6 Dark Down 15.8 246.4 Really Low 04:29:41 - 04:47:58 4679
Penticton 04:38:50 -19.7 Dark Down 15.8 246.5 Really Low 04:29:41 - 04:47:58 4669
Victoria 04:38:46 -18.2 Dark Down 18.5 243.5 Really Low 04:29:38 - 04:47:55 4661
Oliver 04:38:50 -19.9 Dark Down 15.9 246.6 Really Low 04:29:41 - 04:47:58 4634
Anarchist Mountain Observatory 04:38:50 -20.1 Dark Down 15.9 246.8 Really Low 04:29:42 - 04:47:59 4612
Okanogan 04:38:51 -20.4 Dark Down 16.2 246.8 Really Low 04:29:42 - 04:47:59 4551
Brewster 04:38:50 -20.4 Dark Down 16.5 246.7 Really Low 04:29:42 - 04:47:59 4528
Manson/Chelan 04:38:50 -20.4 Dark Down 16.8 246.5 Really Low 04:29:42 - 04:47:59 4516
Wenatchee 04:38:50 -20.5 Dark Down 17.1 246.4 Really Low 04:29:42 - 04:47:59 4472
Ellensburg 04:38:51 -20.6 Dark Down 17.4 246.4 Really Low 04:29:42 - 04:47:59 4435
Yakima 04:38:50 -20.8 Dark Down 17.5 246.5 Really Low 04:29:42 - 04:47:59 4394
Toppenish/White Swan 04:38:51 -21.1 Dark Down 17.5 246.7 Really Low 04:29:42 - 04:47:59 4368
The Dalles 04:38:50 -21.0 Dark Down 18.3 246.3 Really Low 04:29:41 - 04:47:58 4308
PNWRO 04:38:53 -22.1 Dark Down 16.7 248.0 Really Low 04:29:45 - 04:48:02 4293
Maupin 04:38:50 -21.3 Dark Down 18.4 246.5 Really Low 04:29:42 - 04:47:59 4263
Sisters 04:38:50 -21.5 Dark Down 19.1 246.4 Really Low 04:29:41 - 04:47:58 4186
Bend 04:38:51 -21.8 Dark Down 19.0 246.7 Really Low 04:29:42 - 04:47:59 4154
Oregon Observatory 04:38:50 -21.8 Dark Down 19.2 246.6 Really Low 04:29:42 - 04:47:59 4140
Chiloquin 04:38:51 -22.2 Dark Down 20.0 246.7 Really Low 04:29:42 - 04:47:59 4016
Klamath Falls 04:38:50 -22.4 Dark Down 20.1 246.9 Low 04:29:42 - 04:47:59 3978
Cedarville 04:38:53 -23.8 Dark Down 19.2 248.4 Really Low 04:29:45 - 04:48:02 3863
Fall River/Burney 04:38:51 -23.3 Dark Down 20.3 247.6 Low 04:29:42 - 04:47:59 3846
Greenville 04:38:53 -24.0 Dark Down 20.3 248.2 Low 04:29:44 - 04:48:01 3739
Gimple 04:38:51 -24.1 Dark Down 20.2 248.3 Low 04:29:43 - 04:48:00 3737
Quincy 04:38:52 -24.1 Dark Down 20.4 248.3 Low 04:29:43 - 04:48:00 3718
Portola 04:38:52 -24.5 Dark Down 20.1 248.7 Low 04:29:43 - 04:48:00 3692
Reno 04:38:53 -25.1 Dark Down 19.7 249.3 Really Low 04:29:45 - 04:48:02 3646
Carson City 04:38:53 -25.3 Dark Down 19.8 249.4 Really Low 04:29:45 - 04:48:02 3608
Gardnerville 04:38:53 -25.4 Dark Down 19.9 249.5 Really Low 04:29:44 - 04:48:01 3581
Yerington 04:38:53 -25.8 Dark Down 19.4 249.9 Really Low 04:29:45 - 04:48:02 3570
Hawthorne 04:38:55 -26.4 Dark Down 19.2 250.5 Really Low 04:29:46 - 04:48:03 3507
Lee Vining 04:38:54 -26.4 Dark Down 19.7 250.3 Really Low 04:29:45 - 04:48:02 3461
Dunrhomin 04:39:07 -33.5 Dark Down 8.6 259.4 Really Low 04:29:59 - 04:48:16 3411
Nikitin 04:39:07 -33.6 Dark Down 8.7 259.4 Really Low 04:29:59 - 04:48:16 3392
CU-SBO 04:39:07 -33.6 Dark Down 8.8 259.3 Really Low 04:29:59 - 04:48:16 3386
Bishop 04:38:54 -27.2 Dark Down 19.4 251.0 Really Low 04:29:46 - 04:48:03 3378
Beatty 04:38:58 -28.5 Dark Down 18.3 252.3 Really Low 04:29:49 - 04:48:06 3286
Patrick 04:39:00 -31.3 Dark Down 16.5 254.7 Really Low 04:29:51 - 04:48:08 3056
Laughlin/Bullhead City 04:38:59 -31.0 Dark Down 17.1 254.3 Really Low 04:29:50 - 04:48:07 3047
Wildwood 04:38:54 -28.7 Dark Down 20.6 252.0 Low 04:29:45 - 04:48:02 3039
Lake Havasu City 04:39:00 -31.5 Dark Down 17.1 254.7 Really Low 04:29:51 - 04:48:08 2969
Idyllwild 04:38:56 -30.3 Dark Down 19.2 253.4 Really Low 04:29:48 - 04:48:05 2949
Calipatria 04:38:57 -31.4 Dark Down 18.4 254.3 Really Low 04:29:48 - 04:48:05 2853
George/Scottsdale 04:39:01 -33.7 Dark Down 15.3 256.4 Really Low 04:29:53 - 04:48:10 2827
Yuma 04:38:58 -32.3 Dark Down 17.8 255.0 Really Low 04:29:49 - 04:48:06 2784

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 523734, (2029/04/03 04:32UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1  5.91 146
34Del Ori      05:32:00.4 -00:17:57  2.2  3.77 152
28Eta Ori      05:24:28.6 -02:23:49  3.4  1.23 151
PPM 187977     05:21:11.5 -02:51:36  8.0  0.59 151
PPM 175796     05:19:33.4 -02:19:20  9.0  0.10 151
523734         05:19:33.7 -02:25:34 17.0       151
Positions are for J2000

Event circumstances last updated at 2023/12/24 23:37:20 UT

Marc W. Buie, Southwest Research Institute

RECON